1 /*******************************************************************************
2 * Copyright (c) 2007, 2010 Association for Decentralized Information Management
4 * All rights reserved. This program and the accompanying materials
5 * are made available under the terms of the Eclipse Public License v1.0
6 * which accompanies this distribution, and is available at
7 * http://www.eclipse.org/legal/epl-v10.html
10 * VTT Technical Research Centre of Finland - initial API and implementation
11 *******************************************************************************/
12 package fi.vtt.simantics.procore.internal;
15 import java.io.IOException;
16 import java.io.InputStream;
17 import java.nio.charset.Charset;
18 import java.nio.file.FileVisitResult;
19 import java.nio.file.Files;
20 import java.nio.file.Path;
21 import java.nio.file.SimpleFileVisitor;
22 import java.nio.file.attribute.BasicFileAttributes;
23 import java.util.ArrayList;
24 import java.util.Collection;
25 import java.util.HashSet;
26 import java.util.TreeMap;
27 import java.util.concurrent.CopyOnWriteArrayList;
28 import java.util.concurrent.Semaphore;
29 import java.util.concurrent.atomic.AtomicInteger;
30 import java.util.function.Consumer;
32 import org.eclipse.core.runtime.Platform;
33 import org.simantics.databoard.Bindings;
34 import org.simantics.db.AsyncReadGraph;
35 import org.simantics.db.ChangeSet;
36 import org.simantics.db.DevelopmentKeys;
37 import org.simantics.db.Disposable;
38 import org.simantics.db.ExternalValueSupport;
39 import org.simantics.db.Metadata;
40 import org.simantics.db.MonitorContext;
41 import org.simantics.db.MonitorHandler;
42 import org.simantics.db.Resource;
43 import org.simantics.db.ResourceSerializer;
44 import org.simantics.db.Session;
45 import org.simantics.db.SessionManager;
46 import org.simantics.db.SessionVariables;
47 import org.simantics.db.VirtualGraph;
48 import org.simantics.db.WriteGraph;
49 import org.simantics.db.authentication.UserAuthenticationAgent;
50 import org.simantics.db.authentication.UserAuthenticator;
51 import org.simantics.db.common.Indexing;
52 import org.simantics.db.common.TransactionPolicyRelease;
53 import org.simantics.db.common.procedure.BlockingAsyncProcedure;
54 import org.simantics.db.common.procedure.adapter.AsyncMultiProcedureAdapter;
55 import org.simantics.db.common.procedure.adapter.ProcedureAdapter;
56 import org.simantics.db.common.procedure.wrapper.NoneToAsyncListener;
57 import org.simantics.db.common.procedure.wrapper.NoneToAsyncMultiListener;
58 import org.simantics.db.common.procedure.wrapper.NoneToAsyncMultiProcedure;
59 import org.simantics.db.common.procedure.wrapper.NoneToAsyncProcedure;
60 import org.simantics.db.common.procedure.wrapper.SyncToAsyncListener;
61 import org.simantics.db.common.procedure.wrapper.SyncToAsyncMultiListener;
62 import org.simantics.db.common.procedure.wrapper.SyncToAsyncMultiProcedure;
63 import org.simantics.db.common.procedure.wrapper.SyncToAsyncProcedure;
64 import org.simantics.db.common.service.ServiceActivityMonitorImpl;
65 import org.simantics.db.common.service.ServiceActivityUpdaterForWriteTransactions;
66 import org.simantics.db.common.utils.Logger;
67 import org.simantics.db.event.ChangeEvent;
68 import org.simantics.db.event.ChangeListener;
69 import org.simantics.db.event.SessionEventListener;
70 import org.simantics.db.exception.CancelTransactionException;
71 import org.simantics.db.exception.ClusterSetExistException;
72 import org.simantics.db.exception.DatabaseException;
73 import org.simantics.db.exception.ImmutableException;
74 import org.simantics.db.exception.InvalidResourceReferenceException;
75 import org.simantics.db.exception.ResourceNotFoundException;
76 import org.simantics.db.exception.RuntimeDatabaseException;
77 import org.simantics.db.exception.ServiceException;
78 import org.simantics.db.exception.ServiceNotFoundException;
79 import org.simantics.db.impl.ClusterBase;
80 import org.simantics.db.impl.ClusterI;
81 import org.simantics.db.impl.ClusterTraitsBase;
82 import org.simantics.db.impl.ClusterTranslator;
83 import org.simantics.db.impl.ResourceImpl;
84 import org.simantics.db.impl.TransientGraph;
85 import org.simantics.db.impl.VirtualGraphImpl;
86 import org.simantics.db.impl.graph.DelayedWriteGraph;
87 import org.simantics.db.impl.graph.ReadGraphImpl;
88 import org.simantics.db.impl.graph.WriteGraphImpl;
89 import org.simantics.db.impl.graph.WriteSupport;
90 import org.simantics.db.impl.internal.RandomAccessValueSupport;
91 import org.simantics.db.impl.procedure.ResultCallWrappedQueryProcedure4;
92 import org.simantics.db.impl.procedure.ResultCallWrappedSingleQueryProcedure4;
93 import org.simantics.db.impl.query.QueryCache;
94 import org.simantics.db.impl.query.QueryCacheBase;
95 import org.simantics.db.impl.query.QueryProcessor;
96 import org.simantics.db.impl.query.QueryProcessor.SessionRead;
97 import org.simantics.db.impl.query.QueryProcessor.SessionTask;
98 import org.simantics.db.impl.service.QueryDebug;
99 import org.simantics.db.impl.support.VirtualGraphServerSupport;
100 import org.simantics.db.impl.support.WriteRequestScheduleSupport;
101 import org.simantics.db.procedure.AsyncListener;
102 import org.simantics.db.procedure.AsyncMultiListener;
103 import org.simantics.db.procedure.AsyncMultiProcedure;
104 import org.simantics.db.procedure.AsyncProcedure;
105 import org.simantics.db.procedure.Listener;
106 import org.simantics.db.procedure.ListenerBase;
107 import org.simantics.db.procedure.MultiListener;
108 import org.simantics.db.procedure.MultiProcedure;
109 import org.simantics.db.procedure.Procedure;
110 import org.simantics.db.procedure.SyncListener;
111 import org.simantics.db.procedure.SyncMultiListener;
112 import org.simantics.db.procedure.SyncMultiProcedure;
113 import org.simantics.db.procedure.SyncProcedure;
114 import org.simantics.db.procore.cluster.ClusterImpl;
115 import org.simantics.db.procore.cluster.ClusterTraits;
116 import org.simantics.db.procore.protocol.Constants;
117 import org.simantics.db.procore.protocol.DebugPolicy;
118 import org.simantics.db.request.AsyncMultiRead;
119 import org.simantics.db.request.AsyncRead;
120 import org.simantics.db.request.DelayedWrite;
121 import org.simantics.db.request.DelayedWriteResult;
122 import org.simantics.db.request.ExternalRead;
123 import org.simantics.db.request.MultiRead;
124 import org.simantics.db.request.Read;
125 import org.simantics.db.request.ReadInterface;
126 import org.simantics.db.request.Write;
127 import org.simantics.db.request.WriteInterface;
128 import org.simantics.db.request.WriteOnly;
129 import org.simantics.db.request.WriteOnlyResult;
130 import org.simantics.db.request.WriteResult;
131 import org.simantics.db.request.WriteTraits;
132 import org.simantics.db.service.ByteReader;
133 import org.simantics.db.service.ClusterBuilder;
134 import org.simantics.db.service.ClusterBuilderFactory;
135 import org.simantics.db.service.ClusterControl;
136 import org.simantics.db.service.ClusterSetsSupport;
137 import org.simantics.db.service.ClusterUID;
138 import org.simantics.db.service.ClusteringSupport;
139 import org.simantics.db.service.CollectionSupport;
140 import org.simantics.db.service.DebugSupport;
141 import org.simantics.db.service.DirectQuerySupport;
142 import org.simantics.db.service.GraphChangeListenerSupport;
143 import org.simantics.db.service.InitSupport;
144 import org.simantics.db.service.LifecycleSupport;
145 import org.simantics.db.service.ManagementSupport;
146 import org.simantics.db.service.QueryControl;
147 import org.simantics.db.service.SerialisationSupport;
148 import org.simantics.db.service.ServerInformation;
149 import org.simantics.db.service.ServiceActivityMonitor;
150 import org.simantics.db.service.SessionEventSupport;
151 import org.simantics.db.service.SessionMonitorSupport;
152 import org.simantics.db.service.SessionUserSupport;
153 import org.simantics.db.service.StatementSupport;
154 import org.simantics.db.service.TransactionPolicySupport;
155 import org.simantics.db.service.TransactionSupport;
156 import org.simantics.db.service.TransferableGraphSupport;
157 import org.simantics.db.service.UndoRedoSupport;
158 import org.simantics.db.service.VirtualGraphSupport;
159 import org.simantics.db.service.XSupport;
160 import org.simantics.layer0.Layer0;
161 import org.simantics.utils.DataContainer;
162 import org.simantics.utils.Development;
163 import org.simantics.utils.threads.logger.ITask;
164 import org.simantics.utils.threads.logger.ThreadLogger;
166 import gnu.trove.procedure.TLongProcedure;
167 import gnu.trove.set.hash.TLongHashSet;
170 public abstract class SessionImplSocket implements Session, WriteRequestScheduleSupport {
172 protected static final boolean DEBUG = false;
174 private static final boolean DIAGNOSTICS = false;
176 private TransactionPolicySupport transactionPolicy;
178 final private ClusterControl clusterControl;
180 final protected BuiltinSupportImpl builtinSupport;
181 final protected VirtualGraphServerSupportImpl virtualGraphServerSupport;
182 final protected ClusterSetsSupport clusterSetsSupport;
183 final protected LifecycleSupportImpl lifecycleSupport;
185 protected QuerySupportImpl querySupport;
186 protected ResourceSupportImpl resourceSupport;
187 protected WriteSupport writeSupport;
188 public ClusterTranslator clusterTranslator;
190 boolean dirtyPrimitives = false;
192 public static final int SERVICE_MODE_CREATE = 2;
193 public static final int SERVICE_MODE_ALLOW = 1;
194 public int serviceMode = 0;
195 public boolean createdImmutableClusters = false;
196 public TLongHashSet createdClusters = new TLongHashSet();
201 * The service locator maintained by the workbench. These services are
202 * initialized during workbench during the <code>init</code> method.
204 final protected ServiceLocatorImpl serviceLocator = new ServiceLocatorImpl();
206 final public ResourceSerializerImpl resourceSerializer = new ResourceSerializerImpl();
208 final CopyOnWriteArrayList<ChangeListener> changeListeners2 = new CopyOnWriteArrayList<ChangeListener>();
210 final CopyOnWriteArrayList<ChangeListener> metadataListeners = new CopyOnWriteArrayList<ChangeListener>();
212 final CopyOnWriteArrayList<SessionEventListener> eventListeners = new CopyOnWriteArrayList<SessionEventListener>();
214 final HashSet<Thread> sessionThreads = new HashSet<Thread>();
216 final BijectionMap<MonitorContext, MonitorHandler> monitorContexts = new BijectionMap<MonitorContext, MonitorHandler>();
218 final protected State state = new State();
220 protected GraphSession graphSession = null;
222 protected SessionManager sessionManagerImpl = null;
224 protected UserAuthenticationAgent authAgent = null;
226 protected UserAuthenticator authenticator = null;
228 protected Resource user = null;
230 protected ClusterStream clusterStream = null;
232 protected SessionRequestManager requestManager = null;
234 public ClusterTable clusterTable = null;
236 public QueryProcessor queryProvider2 = null;
238 ClientChangesImpl clientChanges = null;
240 MonitorHandler[] monitorHandlers = new MonitorHandler[0];
242 // protected long newClusterId = Constants.NullClusterId;
244 protected int flushCounter = 0;
246 protected boolean writeOnly = false;
248 WriteState<?> writeState = null;
249 WriteStateBase<?> delayedWriteState = null;
250 protected Resource defaultClusterSet = null; // If not null then used for newResource().
252 public SessionImplSocket(SessionManager sessionManagerImpl, UserAuthenticationAgent authAgent) {
254 // if (authAgent == null)
255 // throw new IllegalArgumentException("null authentication agent");
257 File t = StaticSessionProperties.virtualGraphStoragePath;
260 this.clusterTable = new ClusterTable(this, t);
261 this.builtinSupport = new BuiltinSupportImpl(this);
262 this.sessionManagerImpl = sessionManagerImpl;
264 // this.authAgent = authAgent;
266 serviceLocator.registerService(Session.class, this);
267 serviceLocator.registerService(InitSupport.class, new InitSupportImpl(this));
268 serviceLocator.registerService(ManagementSupport.class, new ManagementSupportImpl(this));
269 serviceLocator.registerService(QueryControl.class, new QueryControlImpl(this));
270 serviceLocator.registerService(SessionUserSupport.class, new SessionUserSupportImpl(this));
271 serviceLocator.registerService(GraphChangeListenerSupport.class, new GraphChangeListenerSupportImpl(this));
272 serviceLocator.registerService(SessionEventSupport.class, new SessionEventSupportImpl(this));
273 serviceLocator.registerService(SerialisationSupport.class, new SerialisationSupportImpl(this));
274 serviceLocator.registerService(UndoRedoSupport.class, new UndoRedoSupportImpl(this));
275 serviceLocator.registerService(ClusteringSupport.class, new ClusteringSupportImpl(this));
276 serviceLocator.registerService(TransactionSupport.class, new TransactionSupportImpl(this));
277 serviceLocator.registerService(SessionMonitorSupport.class, new SessionMonitorSupportImpl(this));
278 serviceLocator.registerService(TransferableGraphSupport.class, new TransferableGraphSupportImpl(this));
279 serviceLocator.registerService(QueryDebug.class, new QueryDebugImpl(this));
280 serviceLocator.registerService(CollectionSupport.class, new CollectionSupportImpl(this));
281 serviceLocator.registerService(StatementSupport.class, new StatementSupportImpl(this));
282 serviceLocator.registerService(DirectQuerySupport.class, new DirectQuerySupportImpl(this));
283 serviceLocator.registerService(XSupport.class, new XSupportImpl(this));
284 serviceLocator.registerService(DebugSupport.class, new DebugSupportImpl());
285 serviceLocator.registerService(ExternalValueSupport.class, new ExternalValueSupportImpl(this));
286 serviceLocator.registerService(RandomAccessValueSupport.class, new RandomAccessValueSupportImpl());
287 serviceLocator.registerService(ServiceActivityMonitor.class, new ServiceActivityMonitorImpl());
288 ServiceActivityUpdaterForWriteTransactions.register(this);
290 this.virtualGraphServerSupport = new VirtualGraphServerSupportImpl(this, t);
291 serviceLocator.registerService(VirtualGraphSupport.class, virtualGraphServerSupport);
292 serviceLocator.registerService(VirtualGraphServerSupport.class, virtualGraphServerSupport);
293 this.lifecycleSupport = new LifecycleSupportImpl(this);
294 serviceLocator.registerService(LifecycleSupport.class, lifecycleSupport);
295 this.transactionPolicy = new TransactionPolicyRelease();
296 serviceLocator.registerService(TransactionPolicySupport.class, transactionPolicy);
297 this.clusterControl = new ClusterControlImpl(this);
298 serviceLocator.registerService(ClusterControl.class, clusterControl);
299 this.clusterSetsSupport = new ClusterSetsSupportImpl2(); // Using same path as virtual graphs.
300 this.clusterSetsSupport.setReadDirectory(t.toPath());
301 this.clusterSetsSupport.updateWriteDirectory(t.toPath());
302 serviceLocator.registerService(ClusterSetsSupport.class, clusterSetsSupport);
312 public Resource getRootLibrary() {
313 return queryProvider2.getRootLibraryResource();
316 void refresh(int thread, ClusterUID[] clusterUID, long csid) throws DatabaseException {
317 if (!graphSession.dbSession.refreshEnabled())
320 getClusterTable().refresh(csid, this, clusterUID);
321 } catch (Throwable t) {
322 Logger.defaultLogError("Refesh failed.", t);
326 static final class TaskHelper {
327 private final String name;
328 private Object result;
329 final Semaphore sema = new Semaphore(0);
330 private Throwable throwable = null;
331 final Consumer<DatabaseException> callback = e -> {
332 synchronized (TaskHelper.this) {
336 final Procedure<Object> proc = new Procedure<Object>() {
338 public void execute(Object result) {
339 callback.accept(null);
342 public void exception(Throwable t) {
343 if (t instanceof DatabaseException)
344 callback.accept((DatabaseException)t);
346 callback.accept(new DatabaseException("" + name + "operation failed.", t));
349 final WriteTraits writeTraits = new WriteTraits() {};
350 TaskHelper(String name) {
353 @SuppressWarnings("unchecked")
357 void setResult(Object result) {
358 this.result = result;
360 // Throwable throwableGet() {
363 synchronized void throwableSet(Throwable t) {
366 // void throwableSet(String t) {
367 // throwable = new InternalException("" + name + " operation failed. " + t);
369 synchronized void throwableCheck()
370 throws DatabaseException {
371 if (null != throwable)
372 if (throwable instanceof DatabaseException)
373 throw (DatabaseException)throwable;
375 throw new DatabaseException("Undo operation failed.", throwable);
377 void throw_(String message)
378 throws DatabaseException {
379 throw new DatabaseException("" + name + " operation failed. " + message);
385 private ListenerBase getListenerBase(Object procedure) {
386 if (procedure instanceof ListenerBase)
387 return (ListenerBase) procedure;
392 public <T> void scheduleRequest(final Write request, final Consumer<DatabaseException> callback, final Semaphore notify) {
393 scheduleRequest(request, callback, notify, null);
397 * @see fi.vtt.simantics.procore.internal.WriteRequestScheduler#scheduleRequest(org.simantics.db.request.Write, org.simantics.utils.datastructures.Callback, java.util.concurrent.Semaphore, java.lang.Boolean)
400 public <T> void scheduleRequest(final Write request, final Consumer<DatabaseException> callback, final Semaphore notify, Boolean combine) {
402 assert (request != null);
404 if(Development.DEVELOPMENT) {
406 if(Development.<Boolean>getProperty(DevelopmentKeys.SESSION_LOG_WRITES, Bindings.BOOLEAN))
407 System.err.println("schedule write '" + request + "'");
408 } catch (Throwable t) {
409 Logger.defaultLogError(t);
413 int thread = request.hashCode() & queryProvider2.THREAD_MASK;
415 requestManager.scheduleWrite(new SessionTask(true) {
418 public void run(int thread) {
420 if(Development.DEVELOPMENT) {
422 if(Development.<Boolean>getProperty(DevelopmentKeys.SESSION_LOG_WRITES, Bindings.BOOLEAN))
423 System.err.println("perform write '" + request + "'");
424 } catch (Throwable t) {
425 Logger.defaultLogError(t);
429 ITask task = ThreadLogger.getInstance().begin("WriteRequest " + request);
431 fireSessionVariableChange(SessionVariables.QUEUED_WRITES);
436 Disposable.safeDispose(clientChanges);
437 clientChanges = new ClientChangesImpl(SessionImplSocket.this);
439 VirtualGraph vg = getProvider(request.getProvider());
441 WriteGraphImpl writer = WriteGraphImpl.create(getQueryProvider2(), writeSupport, vg);
442 writeState = new WriteState<Object>(writer, request, notify, new Procedure<Object>() {
445 public void execute(Object result) {
446 if(callback != null) callback.accept(null);
450 public void exception(Throwable t) {
451 if(callback != null) callback.accept((DatabaseException)t);
456 assert (null != writer);
457 // writer.state.barrier.inc();
460 request.perform(writer);
461 assert (null != writer);
462 } catch (Throwable t) {
463 if (!(t instanceof CancelTransactionException))
464 Logger.defaultLogError("Write transaction caused an unexpected error, see exception.", t);
465 writeState.except(t);
467 // writer.state.barrier.dec();
468 // writer.waitAsync(request);
472 assert(!queryProvider2.cache.dirty);
474 } catch (Throwable e) {
476 // Log it first, just to be safe that the error is always logged.
477 if (!(e instanceof CancelTransactionException))
478 Logger.defaultLogError("Write transaction caused an unexpected error, see exception.", e);
480 // writeState.getGraph().state.barrier.dec();
481 // writeState.getGraph().waitAsync(request);
483 writeState.except(e);
486 // // Callback is client code, we have to be prepared for it to throw unexpected exceptions.
487 // // All we can do here is to log those, can't really pass them anywhere.
488 // if (callback != null) {
489 // if(e instanceof DatabaseException) callback.run((DatabaseException)e);
490 // else callback.run(new DatabaseException(e));
492 // } catch (Throwable e2) {
493 // Logger.defaultLogError("Write request callback caused an unexpected error, see exception.", e2);
495 // boolean empty = clusterStream.reallyFlush();
496 // int callerThread = -1;
497 // ClientChangesImpl cs = new ClientChangesImpl(SessionImplSocket.this);
498 // SynchronizeContext context = new SynchronizeContext(callerThread, SessionImplSocket.this, cs, 1);
500 // // Send all local changes to server so it can calculate correct reverse change set.
501 // // This will call clusterStream.accept().
502 // state.cancelCommit(context, clusterStream);
504 // if (!context.isOk()) // this is a blocking operation
505 // throw new InternalException("Cancel failed. This should never happen. Contact application support.");
506 // getQueryProvider2().performDirtyUpdates(writeState.getGraph());
508 // state.cancelCommit2(context, clusterStream);
509 // } catch (DatabaseException e3) {
510 // Logger.defaultLogError("Write request cancel caused an unexpected error.", e3);
512 // clusterStream.setOff(false);
513 // clientChanges = new ClientChangesImpl(SessionImplSocket.this);
518 fireSessionVariableChange(SessionVariables.QUEUED_WRITES);
524 if(Development.DEVELOPMENT) {
526 if(Development.<Boolean>getProperty(DevelopmentKeys.SESSION_LOG_WRITES, Bindings.BOOLEAN))
527 System.err.println("finish write '" + request + "'");
528 } catch (Throwable t) {
529 Logger.defaultLogError(t);
539 public <T> void scheduleRequest(final WriteResult<T> request, final Procedure<T> procedure, final Semaphore notify) {
540 scheduleRequest(request, procedure, notify, null);
544 * @see fi.vtt.simantics.procore.internal.WriteRequestScheduler#scheduleRequest(org.simantics.db.request.WriteResult, org.simantics.db.procedure.Procedure, java.util.concurrent.Semaphore, java.lang.Boolean)
547 public <T> void scheduleRequest(final WriteResult<T> request, final Procedure<T> procedure, final Semaphore notify, Boolean combine) {
549 assert (request != null);
551 int thread = request.hashCode() & queryProvider2.THREAD_MASK;
553 requestManager.scheduleWrite(new SessionTask(true) {
556 public void run(int thread) {
558 ITask task = ThreadLogger.getInstance().begin("WriteRequest " + request);
560 fireSessionVariableChange(SessionVariables.QUEUED_WRITES);
563 Disposable.safeDispose(clientChanges);
564 clientChanges = new ClientChangesImpl(SessionImplSocket.this);
566 VirtualGraph vg = getProvider(request.getProvider());
567 WriteGraphImpl writer = WriteGraphImpl.create(getQueryProvider2(), writeSupport, vg);
570 WriteState<T> writeStateT = new WriteState<T>(writer, request, notify, procedure);
571 writeState = writeStateT;
573 assert (null != writer);
574 // writer.state.barrier.inc();
575 writeStateT.setResult(request.perform(writer));
576 assert (null != writer);
578 // writer.state.barrier.dec();
579 // writer.waitAsync(null);
581 } catch (Throwable e) {
583 // writer.state.barrier.dec();
584 // writer.waitAsync(null);
586 writeState.except(e);
588 // state.stopWriteTransaction(clusterStream);
590 // } catch (Throwable e) {
591 // // Log it first, just to be safe that the error is always logged.
592 // Logger.defaultLogError("Write transaction caused an unexpected error, see exception.", e);
595 // // Callback is client code, we have to be prepared for it to throw unexpected exceptions.
596 // // All we can do here is to log those, can't really pass them anywhere.
597 // if (procedure != null) {
598 // if(e instanceof DatabaseException) procedure.exception((DatabaseException)e);
599 // else procedure.exception(new DatabaseException(e));
601 // } catch (Throwable e2) {
602 // Logger.defaultLogError("Write request callback caused an unexpected error, see exception.", e2);
605 // clientChanges = new ClientChangesImpl(SessionImplSocket.this);
607 // state.stopWriteTransaction(clusterStream);
610 fireSessionVariableChange(SessionVariables.QUEUED_WRITES);
613 // if(notify != null) notify.release();
623 public <T> void scheduleRequest(final DelayedWrite request, final Consumer<DatabaseException> callback, final Semaphore notify) {
624 scheduleRequest(request, callback, notify, null);
628 * @see fi.vtt.simantics.procore.internal.WriteRequestScheduler#scheduleRequest(org.simantics.db.request.DelayedWrite, org.simantics.utils.datastructures.Callback, java.util.concurrent.Semaphore, java.lang.Boolean)
631 public <T> void scheduleRequest(final DelayedWrite request, final Consumer<DatabaseException> callback, final Semaphore notify, Boolean combine) {
633 final ITask total = ThreadLogger.getInstance().begin("ScheduleDelayedWrite");
635 assert (request != null);
637 int thread = request.hashCode() & queryProvider2.THREAD_MASK;
639 requestManager.scheduleWrite(new SessionTask(true) {
642 public void run(int thread) {
643 fireSessionVariableChange(SessionVariables.QUEUED_READS);
645 Procedure<Object> stateProcedure = new Procedure<Object>() {
647 public void execute(Object result) {
648 if (callback != null)
649 callback.accept(null);
652 public void exception(Throwable t) {
653 if (callback != null) {
654 if (t instanceof DatabaseException) callback.accept((DatabaseException) t);
655 else callback.accept(new DatabaseException(t));
657 Logger.defaultLogError("Unhandled exception", t);
661 final ReadGraphImpl newGraph = ReadGraphImpl.create(getQueryProvider2());
662 delayedWriteState = new WriteStateBase<Object>(request, notify, stateProcedure);
663 DelayedWriteGraph dwg = null;
664 // newGraph.state.barrier.inc();
667 dwg = new DelayedWriteGraph(newGraph);
668 request.perform(dwg);
669 } catch (Throwable e) {
670 delayedWriteState.except(e);
675 // newGraph.state.barrier.dec();
676 // newGraph.waitAsync(request);
677 fireSessionVariableChange(SessionVariables.QUEUED_READS);
680 delayedWriteState = null;
682 ITask task2 = ThreadLogger.getInstance().begin("DelayedWriteCommit");
683 fireSessionVariableChange(SessionVariables.QUEUED_WRITES);
686 Disposable.safeDispose(clientChanges);
687 clientChanges = new ClientChangesImpl(SessionImplSocket.this);
691 VirtualGraph vg = getProvider(request.getProvider());
692 WriteSupport writeSupport = vg != null ? new VirtualWriteOnlySupport() : new WriteOnlySupport();
694 WriteGraphImpl writer = WriteGraphImpl.create(getQueryProvider2(), writeSupport, vg);
696 writeState = new WriteState<Object>(writer, request, notify, stateProcedure);
698 assert (null != writer);
699 // writer.state.barrier.inc();
703 dwg.commit(writer, request);
705 if(defaultClusterSet != null) {
706 XSupport xs = getService(XSupport.class);
707 defaultClusterSet = xs.convertDelayedResourceToResource(defaultClusterSet);
708 ClusteringSupport cs = getService(ClusteringSupport.class);
709 clusterSetsSupport.put(defaultClusterSet.getResourceId(), cs.getCluster(defaultClusterSet));
712 // This makes clusters available from server
713 clusterStream.reallyFlush();
715 releaseWriteOnly(writer);
716 handleUpdatesAndMetadata(writer);
718 } catch (ServiceException e) {
719 // writer.state.barrier.dec();
720 // writer.waitAsync(null);
722 // These shall be requested from server
723 clusterTable.removeWriteOnlyClusters();
724 // This makes clusters available from server
725 clusterStream.reallyFlush();
727 releaseWriteOnly(writer);
728 writeState.except(e);
730 // Debugging & Profiling
731 fireSessionVariableChange(SessionVariables.QUEUED_WRITES);
741 public <T> void scheduleRequest(final DelayedWriteResult<T> request, final Procedure<T> procedure, final Semaphore notify) {
742 scheduleRequest(request, procedure, notify, null);
746 * @see fi.vtt.simantics.procore.internal.WriteRequestScheduler#scheduleRequest(org.simantics.db.request.DelayedWriteResult, org.simantics.db.procedure.Procedure, java.util.concurrent.Semaphore, java.lang.Boolean)
749 public <T> void scheduleRequest(final DelayedWriteResult<T> request, final Procedure<T> procedure, final Semaphore notify, Boolean combine) {
750 throw new Error("Not implemented");
753 protected ClusterImpl getNewResourceCluster() throws DatabaseException {
754 ClusterImpl cluster = clusterTable.getNewResourceCluster(clusterTranslator, graphSession, writeOnly);
755 if((serviceMode & SERVICE_MODE_CREATE) > 0) {
756 createdClusters.add(cluster.clusterId);
761 class WriteOnlySupport implements WriteSupport {
763 ClusterStream stream;
764 ClusterImpl currentCluster;
766 public WriteOnlySupport() {
767 this.stream = clusterStream;
771 public void claim(VirtualGraph provider, Resource subject, Resource predicate, Resource object) throws ServiceException {
772 claim(provider, ((ResourceImpl)subject).id, ((ResourceImpl)predicate).id, ((ResourceImpl)object).id );
776 public void claim(VirtualGraph provider, int s, int p, int o) throws ServiceException {
778 ClusterImpl cluster = clusterTable.getClusterByResourceKey(s);
780 if (cluster.getImmutable() && (serviceMode & SessionImplSocket.SERVICE_MODE_ALLOW) == 0)
781 if(s != queryProvider2.getRootLibrary())
782 throw new ImmutableException("Trying to modify immutable resource key=" + s);
785 maintainCluster(cluster, cluster.addRelation(s, p, o, clusterTranslator));
786 } catch (DatabaseException e) {
787 Logger.defaultLogError(e);
791 clientChanges.invalidate(s);
793 if (cluster.isWriteOnly())
795 queryProvider2.updateStatements(s, p);
800 public void claimValue(VirtualGraph provider, Resource resource, byte[] value) throws DatabaseException {
801 claimValue(provider, ((ResourceImpl)resource).id, value, value.length);
805 public void claimValue(VirtualGraph provider, int rid, byte[] value, int length) {
807 ClusterImpl cluster = clusterTable.getClusterByResourceKey(rid);
809 maintainCluster(cluster, cluster.setValue(rid, value, length, clusterTranslator));
810 } catch (DatabaseException e) {
811 Logger.defaultLogError(e);
814 clientChanges.invalidate(rid);
816 if (cluster.isWriteOnly())
818 queryProvider2.updateValue(rid);
823 public void claimValue(VirtualGraph provider, Resource resource, ByteReader reader, int amount) throws DatabaseException {
826 claimValue(provider,resource, reader.readBytes(null, amount));
830 byte[] bytes = new byte[65536];
832 int rid = ((ResourceImpl)resource).id;
833 ClusterImpl cluster = clusterTable.getClusterByResourceKey(rid);
837 int block = Math.min(left, 65536);
838 reader.readBytes(bytes, block);
839 maintainCluster(cluster, cluster.modiValueEx(rid, amount-left, block, bytes, 0, clusterTranslator));
842 } catch (DatabaseException e) {
843 Logger.defaultLogError(e);
846 clientChanges.invalidate(rid);
848 if (cluster.isWriteOnly())
850 queryProvider2.updateValue(rid);
854 private void maintainCluster(ClusterImpl before, ClusterI after_) {
855 if(after_ != null && after_ != before) {
856 ClusterImpl after = (ClusterImpl)after_;
857 if(currentCluster == before) {
858 currentCluster = after;
860 clusterTable.replaceCluster(after);
864 public int createResourceKey(int foreignCounter) throws DatabaseException {
865 if(currentCluster == null) {
866 currentCluster = getNewResourceCluster();
868 if(currentCluster.getNumberOfResources(clusterTranslator) == ClusterTable.CLUSTER_FILL_SIZE) {
869 ClusterWriteOnly newCluster = (ClusterWriteOnly)getNewResourceCluster();
870 newCluster.foreignLookup = new byte[foreignCounter];
871 currentCluster = newCluster;
873 System.err.println("foreignLookup " + currentCluster + " " + foreignCounter);
875 return currentCluster.createResource(clusterTranslator);
879 public Resource createResource(VirtualGraph provider) throws DatabaseException {
880 if(currentCluster == null) {
881 if (null != defaultClusterSet) {
882 ResourceImpl result = getNewResource(defaultClusterSet);
883 currentCluster = clusterTable.getClusterByResourceKey(result.id);
886 currentCluster = getNewResourceCluster();
889 if(currentCluster.getNumberOfResources(clusterTranslator) >= ClusterTable.CLUSTER_FILL_SIZE) {
890 if (null != defaultClusterSet) {
891 ResourceImpl result = getNewResource(defaultClusterSet);
892 currentCluster = clusterTable.getClusterByResourceKey(result.id);
895 currentCluster = getNewResourceCluster();
898 return new ResourceImpl(resourceSupport, currentCluster.createResource(clusterTranslator));
902 public Resource createResource(VirtualGraph provider, long clusterId)
903 throws DatabaseException {
904 return getNewResource(clusterId);
908 public Resource createResource(VirtualGraph provider, Resource clusterSet)
909 throws DatabaseException {
910 return getNewResource(clusterSet);
914 public void createClusterSet(VirtualGraph provider, Resource clusterSet)
915 throws DatabaseException {
916 getNewClusterSet(clusterSet);
920 public boolean hasClusterSet(VirtualGraph dummy, Resource clusterSet)
921 throws ServiceException {
922 return containsClusterSet(clusterSet);
925 public void selectCluster(long cluster) {
926 currentCluster = clusterTable.getClusterByClusterId(cluster);
927 long setResourceId = clusterSetsSupport.getSet(cluster);
928 clusterSetsSupport.put(setResourceId, cluster);
932 public Resource setDefaultClusterSet(Resource clusterSet)
933 throws ServiceException {
934 Resource result = setDefaultClusterSet4NewResource(clusterSet);
935 if(clusterSet != null) {
936 long id = clusterSetsSupport.get(clusterSet.getResourceId());
937 currentCluster = clusterTable.getClusterByClusterId(id);
940 currentCluster = null;
946 public void denyValue(VirtualGraph provider, Resource resource) throws ServiceException {
948 provider = getProvider(provider);
949 if (null == provider) {
950 int key = ((ResourceImpl)resource).id;
954 ClusterI cluster = clusterTable.getClusterProxyByResourceKey(key);
955 // if (cluster.getImmutable() && (serviceMode & SessionImplSocket.SERVICE_MODE_ALLOW) == 0)
956 // if(key != queryProvider2.getRootLibrary())
957 // throw new ImmutableException("Trying to modify immutable resource key=" + key);
960 // cluster.removeValue(key, clusterTranslator);
961 // } catch (DatabaseException e) {
962 // Logger.defaultLogError(e);
966 clusterTable.writeOnlyInvalidate(cluster);
969 int sResourceKey = ClusterTraits.getResourceIndexFromResourceKey(key);
970 clusterTranslator.addStatementIndex(cluster, sResourceKey, cluster.getClusterUID(), ClusterChange.DELETE_OPERATION);
971 clusterTranslator.removeValue(cluster);
972 } catch (DatabaseException e) {
973 Logger.defaultLogError(e);
976 queryProvider2.invalidateResource(key);
977 clientChanges.invalidate(key);
980 ((VirtualGraphImpl)provider).denyValue(((ResourceImpl) resource).id);
981 queryProvider2.updateValue(querySupport.getId(resource));
982 clientChanges.claimValue(resource);
989 public void flush(boolean intermediate) {
990 throw new UnsupportedOperationException();
994 public void flushCluster() {
995 clusterTable.flushCluster(graphSession);
996 if(defaultClusterSet != null) {
997 clusterSetsSupport.put(defaultClusterSet.getResourceId(), Constants.NewClusterId);
999 currentCluster = null;
1003 public void flushCluster(Resource r) {
1004 throw new UnsupportedOperationException("flushCluster resource " + r);
1012 public boolean removeStatement(VirtualGraph provider, Resource subject, Resource predicate,
1015 int s = ((ResourceImpl)subject).id;
1016 int p = ((ResourceImpl)predicate).id;
1017 int o = ((ResourceImpl)object).id;
1019 provider = getProvider(provider);
1020 if (null == provider) {
1022 ClusterI cluster = clusterTable.getClusterProxyByResourceKey(s);
1023 clusterTable.writeOnlyInvalidate(cluster);
1027 int sResourceKey = ClusterTraits.getResourceIndexFromResourceKey(s);
1029 ClusterI pc = clusterTable.getClusterProxyByResourceKey(p);
1030 ClusterI oc = clusterTable.getClusterProxyByResourceKey(o);
1032 clusterTranslator.addStatementIndex(cluster, sResourceKey, cluster.getClusterUID(), ClusterChange.REMOVE_OPERATION);
1033 clusterTranslator.addStatementIndex(cluster, p, pc.getClusterUID(), ClusterStream.NULL_OPERATION);
1034 clusterTranslator.addStatementIndex(cluster, o, oc.getClusterUID(), ClusterStream.NULL_OPERATION);
1035 clusterTranslator.removeStatement(cluster);
1037 queryProvider2.invalidateResource(s);
1038 clientChanges.invalidate(s);
1040 } catch (DatabaseException e) {
1042 Logger.defaultLogError(e);
1050 ((VirtualGraphImpl)provider).deny(s, p, o);
1051 queryProvider2.invalidateResource(s);
1052 clientChanges.invalidate(s);
1061 public void setValue(VirtualGraph provider, Resource resource, byte[] value) {
1062 throw new UnsupportedOperationException();
1066 public boolean writeOnly() {
1071 public void performWriteRequest(WriteGraph graph, Write request) throws DatabaseException {
1072 writeSupport.performWriteRequest(graph, request);
1076 public <T> T performWriteRequest(WriteGraph graph, WriteResult<T> request) throws DatabaseException {
1077 throw new UnsupportedOperationException();
1081 public void performWriteRequest(WriteGraph graph, WriteOnly request) throws DatabaseException {
1082 throw new UnsupportedOperationException();
1086 public <T> void addMetadata(Metadata data) throws ServiceException {
1087 writeSupport.addMetadata(data);
1091 public <T extends Metadata> T getMetadata(Class<T> clazz) throws ServiceException {
1092 return writeSupport.getMetadata(clazz);
1096 public TreeMap<String, byte[]> getMetadata() {
1097 return writeSupport.getMetadata();
1101 public void commitDone(WriteTraits writeTraits, long csid) {
1102 writeSupport.commitDone(writeTraits, csid);
1106 public void clearUndoList(WriteTraits writeTraits) {
1107 writeSupport.clearUndoList(writeTraits);
1110 public int clearMetadata() {
1111 return writeSupport.clearMetadata();
1115 public void startUndo() {
1116 writeSupport.startUndo();
1120 class VirtualWriteOnlySupport implements WriteSupport {
1123 // public void addStatement(VirtualGraph provider, Resource subject, Resource predicate,
1124 // Resource object) {
1125 // throw new UnsupportedOperationException();
1129 public void claim(VirtualGraph provider, Resource subject, Resource predicate, Resource object) {
1131 TransientGraph impl = (TransientGraph)provider;
1132 impl.claim(querySupport.getId(subject), querySupport.getId(predicate), querySupport.getId(object));
1133 getQueryProvider2().updateStatements(querySupport.getId(subject), querySupport.getId(predicate));
1134 clientChanges.claim(subject, predicate, object);
1139 public void claim(VirtualGraph provider, int subject, int predicate, int object) {
1141 TransientGraph impl = (TransientGraph)provider;
1142 impl.claim(subject, predicate, object);
1143 getQueryProvider2().updateStatements(subject, predicate);
1144 clientChanges.claim(subject, predicate, object);
1149 public void claimValue(VirtualGraph provider, Resource resource, byte[] value) throws DatabaseException {
1150 claimValue(provider, ((ResourceImpl)resource).id, value, value.length);
1154 public void claimValue(VirtualGraph provider, int resource, byte[] value, int length) {
1155 ((VirtualGraphImpl)provider).claimValue(resource, value, length);
1156 getQueryProvider2().updateValue(resource);
1157 clientChanges.claimValue(resource);
1161 public void claimValue(VirtualGraph provider, Resource resource, ByteReader reader, int amount) throws DatabaseException {
1162 byte[] value = reader.readBytes(null, amount);
1163 claimValue(provider, resource, value);
1167 public Resource createResource(VirtualGraph provider) {
1168 TransientGraph impl = (TransientGraph)provider;
1169 return impl.getResource(impl.newResource(false));
1173 public Resource createResource(VirtualGraph provider, long clusterId) {
1174 throw new UnsupportedOperationException();
1178 public Resource createResource(VirtualGraph provider, Resource clusterSet)
1179 throws DatabaseException {
1180 throw new UnsupportedOperationException();
1184 public void createClusterSet(VirtualGraph provider, Resource clusterSet)
1185 throws DatabaseException {
1186 throw new UnsupportedOperationException();
1190 public boolean hasClusterSet(VirtualGraph provider, Resource clusterSet)
1191 throws ServiceException {
1192 throw new UnsupportedOperationException();
1196 public Resource setDefaultClusterSet(Resource clusterSet)
1197 throws ServiceException {
1202 public void denyValue(VirtualGraph provider, Resource resource) {
1203 ((VirtualGraphImpl)provider).denyValue(((ResourceImpl) resource).id);
1204 getQueryProvider2().updateValue(querySupport.getId(resource));
1205 // NOTE: this only keeps track of value changes by-resource.
1206 clientChanges.claimValue(resource);
1210 public void flush(boolean intermediate) {
1211 throw new UnsupportedOperationException();
1215 public void flushCluster() {
1216 throw new UnsupportedOperationException();
1220 public void flushCluster(Resource r) {
1221 throw new UnsupportedOperationException("Resource " + r);
1229 public boolean removeStatement(VirtualGraph provider, Resource subject, Resource predicate, Resource object) {
1230 TransientGraph impl = (TransientGraph) provider;
1231 impl.deny(querySupport.getId(subject), querySupport.getId(predicate), querySupport.getId(object));
1232 getQueryProvider2().updateStatements(querySupport.getId(subject), querySupport.getId(predicate));
1233 clientChanges.deny(subject, predicate, object);
1238 public void setValue(VirtualGraph provider, Resource resource, byte[] value) {
1239 throw new UnsupportedOperationException();
1243 public boolean writeOnly() {
1248 public void performWriteRequest(WriteGraph graph, Write request) throws DatabaseException {
1249 throw new UnsupportedOperationException();
1253 public <T> T performWriteRequest(WriteGraph graph, WriteResult<T> request) throws DatabaseException {
1254 throw new UnsupportedOperationException();
1258 public void performWriteRequest(WriteGraph graph, WriteOnly request) throws DatabaseException {
1259 throw new UnsupportedOperationException();
1263 public <T> void addMetadata(Metadata data) throws ServiceException {
1264 throw new UnsupportedOperationException();
1268 public <T extends Metadata> T getMetadata(Class<T> clazz) throws ServiceException {
1269 throw new UnsupportedOperationException();
1273 public TreeMap<String, byte[]> getMetadata() {
1274 throw new UnsupportedOperationException();
1278 public void commitDone(WriteTraits writeTraits, long csid) {
1282 public void clearUndoList(WriteTraits writeTraits) {
1286 public int clearMetadata() {
1291 public void startUndo() {
1295 private <T> void performWriteOnly(WriteOnlyResult<T> request, Semaphore notify, Procedure<T> callback) {
1299 //int thread = request.hashCode() & queryProvider2.THREAD_MASK;
1301 fireSessionVariableChange(SessionVariables.QUEUED_WRITES);
1304 Disposable.safeDispose(clientChanges);
1305 clientChanges = new ClientChangesImpl(SessionImplSocket.this);
1309 WriteSupport writeSupport = request.getProvider() != null ? new VirtualWriteOnlySupport() : new WriteOnlySupport();
1311 WriteGraphImpl writer = WriteGraphImpl.create(getQueryProvider2(), writeSupport, request.getProvider());
1313 WriteState<T> writeStateT = new WriteState<T>(writer, request, notify, callback);
1314 writeState = writeStateT;
1316 assert (null != writer);
1317 // writer.state.barrier.inc();
1318 long start = System.nanoTime();
1319 T result = request.perform(writer);
1320 long duration = System.nanoTime() - start;
1322 System.err.println("################");
1323 System.err.println("WriteOnly duration " + 1e-9*duration);
1325 writeStateT.setResult(result);
1327 // This makes clusters available from server
1328 clusterStream.reallyFlush();
1330 // This will trigger query updates
1331 releaseWriteOnly(writer);
1332 assert (null != writer);
1334 handleUpdatesAndMetadata(writer);
1336 } catch (CancelTransactionException e) {
1338 releaseWriteOnly(writeState.getGraph());
1340 clusterTable.removeWriteOnlyClusters();
1341 state.stopWriteTransaction(clusterStream);
1343 } catch (Throwable e) {
1345 e.printStackTrace();
1347 releaseWriteOnly(writeState.getGraph());
1349 clusterTable.removeWriteOnlyClusters();
1351 if (callback != null)
1352 callback.exception(new DatabaseException(e));
1354 state.stopWriteTransaction(clusterStream);
1355 Logger.defaultLogError("Write transaction caused an unexpected error, see exception.", e);
1359 fireSessionVariableChange(SessionVariables.QUEUED_WRITES);
1365 public <T> void scheduleRequest(final WriteOnly request, final Consumer<DatabaseException> callback, final Semaphore notify) {
1366 scheduleRequest(request, callback, notify, null);
1370 public <T> void scheduleRequest(final WriteOnly request, final Consumer<DatabaseException> callback, final Semaphore notify, Boolean combine) {
1374 assert (request != null);
1376 int thread = request.hashCode() & queryProvider2.THREAD_MASK;
1378 requestManager.scheduleWrite(new SessionTask(true) {
1381 public void run(int thread) {
1383 ITask task = ThreadLogger.getInstance().begin("WriteRequest " + request);
1387 fireSessionVariableChange(SessionVariables.QUEUED_WRITES);
1390 Disposable.safeDispose(clientChanges);
1391 clientChanges = new ClientChangesImpl(SessionImplSocket.this);
1395 VirtualGraph vg = getProvider(request.getProvider());
1396 WriteSupport writeSupport = vg != null ? new VirtualWriteOnlySupport() : new WriteOnlySupport();
1398 WriteGraphImpl writer = WriteGraphImpl.create(getQueryProvider2(), writeSupport, vg);
1400 writeState = new WriteState<Object>(writer, request, notify, new Procedure<Object>() {
1403 public void execute(Object result) {
1404 if(callback != null) callback.accept(null);
1408 public void exception(Throwable t) {
1409 if(callback != null) callback.accept((DatabaseException)t);
1414 assert (null != writer);
1415 // writer.state.barrier.inc();
1419 request.perform(writer);
1421 } catch (Throwable e) {
1423 // writer.state.barrier.dec();
1424 // writer.waitAsync(null);
1426 releaseWriteOnly(writer);
1428 clusterTable.removeWriteOnlyClusters();
1430 if(!(e instanceof CancelTransactionException)) {
1431 if (callback != null)
1432 callback.accept(new DatabaseException(e));
1435 writeState.except(e);
1441 // This makes clusters available from server
1442 boolean empty = clusterStream.reallyFlush();
1443 // This was needed to make WO requests call metadata listeners.
1444 // NOTE: the calling event does not contain clientChanges information.
1445 if (!empty && clientChanges.isEmpty())
1446 clientChanges.setNotEmpty(true);
1447 releaseWriteOnly(writer);
1448 assert (null != writer);
1451 fireSessionVariableChange(SessionVariables.QUEUED_WRITES);
1464 public <T> void scheduleRequest(final WriteOnlyResult<T> request, final Procedure<T> callback, final Semaphore notify) {
1465 scheduleRequest(request, callback, notify, null);
1469 * @see org.simantics.db.impl.support.WriteRequestScheduleSupport#scheduleRequest(org.simantics.db.request.WriteOnlyResult, org.simantics.db.procedure.Procedure, java.util.concurrent.Semaphore, java.lang.Boolean)
1472 public <T> void scheduleRequest(final WriteOnlyResult<T> request, final Procedure<T> callback, final Semaphore notify, Boolean combine) {
1474 assert (request != null);
1476 int thread = request.hashCode() & queryProvider2.THREAD_MASK;
1478 requestManager.scheduleWrite(new SessionTask(true) {
1481 public void run(int thread) {
1483 ITask task = ThreadLogger.getInstance().begin("WriteRequest " + request);
1485 performWriteOnly(request, notify, callback);
1495 public <T> void scheduleRequest(final Read<T> request, final AsyncProcedure<T> procedure, final Semaphore notify, final DataContainer<Throwable> throwable, final DataContainer<T> result) {
1497 assert (request != null);
1498 assert (procedure != null);
1500 //int thread = request.hashCode() & queryProvider2.THREAD_MASK;
1502 requestManager.scheduleRead(new SessionRead(throwable, notify) {
1505 public void run(int thread) {
1507 fireSessionVariableChange(SessionVariables.QUEUED_READS);
1509 ListenerBase listener = getListenerBase(procedure);
1511 final ReadGraphImpl newGraph = ReadGraphImpl.create(getQueryProvider2());
1515 if (listener != null) {
1519 AsyncProcedure ap = new AsyncProcedure<T>() {
1522 public void exception(AsyncReadGraph graph, Throwable t) {
1523 procedure.exception(graph, t);
1524 if(throwable != null) {
1527 // ErrorLogger.defaultLogError("Unhandled exception", t);
1532 public void execute(AsyncReadGraph graph, T t) {
1533 if(result != null) result.set(t);
1534 procedure.execute(graph, t);
1539 QueryCache.runnerReadEntry(newGraph, request, null, listener, ap, true);
1541 } catch (Throwable t) {
1542 // This is handled by the AsyncProcedure
1543 //Logger.defaultLogError("Internal error", t);
1550 // newGraph.state.barrier.inc();
1552 T t = request.perform(newGraph);
1556 if(result != null) result.set(t);
1557 procedure.execute(newGraph, t);
1559 } catch (Throwable th) {
1561 if(throwable != null) {
1564 Logger.defaultLogError("Unhandled exception", th);
1569 } catch (Throwable t) {
1572 t.printStackTrace();
1574 if(throwable != null) {
1577 Logger.defaultLogError("Unhandled exception", t);
1582 procedure.exception(newGraph, t);
1584 } catch (Throwable t2) {
1586 if(throwable != null) {
1589 Logger.defaultLogError("Unhandled exception", t2);
1596 // newGraph.state.barrier.dec();
1597 // newGraph.waitAsync(request);
1603 fireSessionVariableChange(SessionVariables.QUEUED_READS);
1613 public <T> void scheduleRequest(final AsyncRead<T> request, final AsyncProcedure<T> procedure, final ListenerBase listener, final Semaphore notify) {
1615 assert (request != null);
1616 assert (procedure != null);
1618 int thread = request.hashCode() & queryProvider2.THREAD_MASK;
1620 requestManager.scheduleRead(new SessionRead(null, notify) {
1623 public void run(int thread) {
1625 fireSessionVariableChange(SessionVariables.QUEUED_READS);
1627 final ReadGraphImpl newGraph = ReadGraphImpl.create(getQueryProvider2());
1631 if (listener != null) {
1634 QueryCacheBase.resultAsyncReadEntry(newGraph, request, null, listener, procedure);
1635 //QueryCache.runnerAsyncReadEntry(newGraph, request, null, listener, procedure, true);
1636 //newGraph.processor.query(newGraph, request, null, procedure, listener);
1637 } catch (DatabaseException e) {
1638 Logger.defaultLogError(e);
1643 // final ResultCallWrappedSingleQueryProcedure4<T> wrapper = new ResultCallWrappedSingleQueryProcedure4<T>(
1644 // procedure, "request");
1646 BlockingAsyncProcedure<T> wrap = new BlockingAsyncProcedure<T>(newGraph, procedure, request);
1650 request.perform(newGraph, wrap);
1653 } catch (Throwable t) {
1655 wrap.exception(newGraph, t);
1657 // wrapper.exception(newGraph, t);
1658 // newGraph.waitAsync(request);
1667 fireSessionVariableChange(SessionVariables.QUEUED_READS);
1677 public <T> void scheduleRequest(final AsyncMultiRead<T> request, final AsyncMultiProcedure<T> procedure, final Semaphore notify) {
1679 assert (request != null);
1680 assert (procedure != null);
1682 int thread = request.hashCode() & queryProvider2.THREAD_MASK;
1684 int sync = notify != null ? thread : -1;
1686 requestManager.scheduleRead(new SessionRead(null, notify) {
1689 public void run(int thread) {
1691 fireSessionVariableChange(SessionVariables.QUEUED_READS);
1693 ListenerBase listener = getListenerBase(procedure);
1695 final ReadGraphImpl newGraph = ReadGraphImpl.create(getQueryProvider2());
1699 if (listener != null) {
1701 newGraph.processor.query(newGraph, request, null, procedure, listener);
1703 // newGraph.waitAsync(request);
1707 final ResultCallWrappedQueryProcedure4<T> wrapper = new ResultCallWrappedQueryProcedure4<T>(procedure);
1711 request.perform(newGraph, wrapper);
1713 } catch (Throwable t) {
1715 t.printStackTrace();
1723 fireSessionVariableChange(SessionVariables.QUEUED_READS);
1733 public <T> void scheduleRequest(final ExternalRead<T> request, final Procedure<T> procedure, final Semaphore notify, final DataContainer<Throwable> throwable, final DataContainer<T> result) {
1735 assert (request != null);
1736 assert (procedure != null);
1738 int thread = request.hashCode() & queryProvider2.THREAD_MASK;
1740 requestManager.scheduleRead(new SessionRead(throwable, notify) {
1743 public void run(int thread) {
1745 fireSessionVariableChange(SessionVariables.QUEUED_READS);
1747 ListenerBase listener = getListenerBase(procedure);
1749 final ReadGraphImpl newGraph = ReadGraphImpl.create(getQueryProvider2());
1753 if (listener != null) {
1756 QueryCacheBase.resultExternalReadEntry(newGraph, request, null, listener, procedure);
1757 } catch (DatabaseException e) {
1758 Logger.defaultLogError(e);
1762 // newGraph.processor.query(newGraph, request, null, new Procedure<T>() {
1765 // public void exception(Throwable t) {
1766 // procedure.exception(t);
1767 // if(throwable != null) {
1768 // throwable.set(t);
1773 // public void execute(T t) {
1774 // if(result != null) result.set(t);
1775 // procedure.execute(t);
1780 // newGraph.waitAsync(request);
1784 // newGraph.state.barrier.inc();
1786 request.register(newGraph, new Listener<T>() {
1789 public void exception(Throwable t) {
1790 if(throwable != null) throwable.set(t);
1791 procedure.exception(t);
1792 // newGraph.state.barrier.dec();
1796 public void execute(T t) {
1797 if(result != null) result.set(t);
1798 procedure.execute(t);
1799 // newGraph.state.barrier.dec();
1803 public boolean isDisposed() {
1809 // newGraph.waitAsync(request);
1815 fireSessionVariableChange(SessionVariables.QUEUED_READS);
1827 public <T> void asyncRequest(final Read<T> request, final AsyncProcedure<T> procedure) {
1829 scheduleRequest(request, procedure, null, null, null);
1834 public <T> T syncRequest(Read<T> request, AsyncProcedure<T> procedure) throws DatabaseException {
1836 Semaphore notify = new Semaphore(0);
1837 DataContainer<Throwable> container = new DataContainer<Throwable>();
1838 DataContainer<T> result = new DataContainer<T>();
1839 scheduleRequest(request, procedure, notify, container, result);
1840 acquire(notify, request);
1841 Throwable throwable = container.get();
1842 if(throwable != null) {
1843 if(throwable instanceof DatabaseException) throw (DatabaseException)throwable;
1844 else throw new DatabaseException("Unexpected exception", throwable);
1846 return result.get();
1850 public <T> T syncRequest(AsyncRead<T> request, final AsyncProcedure<T> procedure) throws DatabaseException {
1852 Semaphore notify = new Semaphore(0);
1853 final DataContainer<Throwable> exceptionContainer = new DataContainer<Throwable>();
1854 final DataContainer<T> resultContainer = new DataContainer<T>();
1855 scheduleRequest(request, new AsyncProcedure<T>() {
1857 public void exception(AsyncReadGraph graph, Throwable throwable) {
1858 exceptionContainer.set(throwable);
1859 procedure.exception(graph, throwable);
1862 public void execute(AsyncReadGraph graph, T result) {
1863 resultContainer.set(result);
1864 procedure.execute(graph, result);
1866 }, getListenerBase(procedure), notify);
1867 acquire(notify, request, procedure);
1868 Throwable throwable = exceptionContainer.get();
1869 if (throwable != null) {
1870 if(throwable instanceof DatabaseException) throw (DatabaseException)throwable;
1871 else throw new DatabaseException("Unexpected exception", throwable);
1873 return resultContainer.get();
1878 public <T> Collection<T> syncRequest(AsyncMultiRead<T> request, final AsyncMultiProcedure<T> procedure) throws DatabaseException {
1880 Semaphore notify = new Semaphore(0);
1881 final DataContainer<Throwable> exceptionContainer = new DataContainer<Throwable>();
1882 scheduleRequest(request, new AsyncMultiProcedure<T>() {
1884 public void exception(AsyncReadGraph graph, Throwable throwable) {
1885 exceptionContainer.set(throwable);
1886 procedure.exception(graph, throwable);
1889 public void execute(AsyncReadGraph graph, T result) {
1890 procedure.execute(graph, result);
1893 public void finished(AsyncReadGraph graph) {
1894 procedure.finished(graph);
1897 acquire(notify, request, procedure);
1898 Throwable throwable = exceptionContainer.get();
1899 if (throwable != null) {
1900 if(throwable instanceof DatabaseException) throw (DatabaseException)throwable;
1901 else throw new DatabaseException("Unexpected exception", throwable);
1903 // TODO: implement return value
1904 System.err.println("TODO: implement return value for syncRequest(AsyncMultiRead, AsyncMultiProcedure)");
1909 public <T> T syncRequest(final ExternalRead<T> request) throws DatabaseException {
1910 return syncRequest(request, new ProcedureAdapter<T>());
1913 // assert(request != null);
1915 // final DataContainer<T> result = new DataContainer<T>();
1916 // final DataContainer<Throwable> exception = new DataContainer<Throwable>();
1918 // syncRequest(request, new Procedure<T>() {
1921 // public void execute(T t) {
1926 // public void exception(Throwable t) {
1927 // exception.set(t);
1932 // Throwable t = exception.get();
1934 // if(t instanceof DatabaseException) throw (DatabaseException)t;
1935 // else throw new DatabaseException("Unexpected exception in ReadGraph.syncRequest(PrimitiveRead)", t);
1938 // return result.get();
1943 public <T> T syncRequest(ExternalRead<T> request, final Listener<T> procedure) throws DatabaseException {
1944 return syncRequest(request, (Procedure<T>)procedure);
1949 // public <T> T syncRequest(Read<T> request, AsyncProcedure<T> procedure) throws DatabaseException {
1950 // assertNotSession();
1951 // Semaphore notify = new Semaphore(0);
1952 // DataContainer<Throwable> container = new DataContainer<Throwable>();
1953 // DataContainer<T> result = new DataContainer<T>();
1954 // scheduleRequest(request, procedure, notify, container, result);
1955 // acquire(notify, request);
1956 // Throwable throwable = container.get();
1957 // if(throwable != null) {
1958 // if(throwable instanceof DatabaseException) throw (DatabaseException)throwable;
1959 // else throw new DatabaseException("Unexpected exception", throwable);
1961 // return result.get();
1966 public <T> T syncRequest(ExternalRead<T> request, final Procedure<T> procedure) throws DatabaseException {
1968 Semaphore notify = new Semaphore(0);
1969 final DataContainer<Throwable> container = new DataContainer<Throwable>();
1970 final DataContainer<T> result = new DataContainer<T>();
1971 scheduleRequest(request, procedure, notify, container, result);
1972 acquire(notify, request);
1973 Throwable throwable = container.get();
1974 if (throwable != null) {
1975 if(throwable instanceof DatabaseException) throw (DatabaseException)throwable;
1976 else throw new DatabaseException("Unexpected exception", throwable);
1978 return result.get();
1982 public void syncRequest(Write request) throws DatabaseException {
1985 Semaphore notify = new Semaphore(0);
1986 final DataContainer<DatabaseException> exception = new DataContainer<DatabaseException>();
1987 scheduleRequest(request, e -> exception.set(e), notify);
1988 acquire(notify, request);
1989 if(exception.get() != null) throw exception.get();
1993 public <T> T syncRequest(WriteResult<T> request) throws DatabaseException {
1995 Semaphore notify = new Semaphore(0);
1996 final DataContainer<Throwable> exception = new DataContainer<Throwable>();
1997 final DataContainer<T> result = new DataContainer<T>();
1998 scheduleRequest(request, new Procedure<T>() {
2001 public void exception(Throwable t) {
2006 public void execute(T t) {
2011 acquire(notify, request);
2012 if(exception.get() != null) {
2013 Throwable t = exception.get();
2014 if(t instanceof DatabaseException) throw (DatabaseException)t;
2015 else throw new DatabaseException(t);
2017 return result.get();
2021 public <T> T syncRequest(WriteOnlyResult<T> request) throws DatabaseException {
2023 Semaphore notify = new Semaphore(0);
2024 final DataContainer<Throwable> exception = new DataContainer<Throwable>();
2025 final DataContainer<T> result = new DataContainer<T>();
2026 scheduleRequest(request, new Procedure<T>() {
2029 public void exception(Throwable t) {
2034 public void execute(T t) {
2039 acquire(notify, request);
2040 if(exception.get() != null) {
2041 Throwable t = exception.get();
2042 if(t instanceof DatabaseException) throw (DatabaseException)t;
2043 else throw new DatabaseException(t);
2045 return result.get();
2049 public <T> T syncRequest(DelayedWriteResult<T> request) throws DatabaseException {
2051 Semaphore notify = new Semaphore(0);
2052 final DataContainer<Throwable> exception = new DataContainer<Throwable>();
2053 final DataContainer<T> result = new DataContainer<T>();
2054 scheduleRequest(request, new Procedure<T>() {
2057 public void exception(Throwable t) {
2062 public void execute(T t) {
2067 acquire(notify, request);
2068 if(exception.get() != null) {
2069 Throwable t = exception.get();
2070 if(t instanceof DatabaseException) throw (DatabaseException)t;
2071 else throw new DatabaseException(t);
2073 return result.get();
2077 public void syncRequest(DelayedWrite request) throws DatabaseException {
2079 Semaphore notify = new Semaphore(0);
2080 final DataContainer<DatabaseException> exception = new DataContainer<DatabaseException>();
2081 scheduleRequest(request, e -> exception.set(e), notify);
2082 acquire(notify, request);
2083 if(exception.get() != null) throw exception.get();
2087 public void syncRequest(WriteOnly request) throws DatabaseException {
2090 Semaphore notify = new Semaphore(0);
2091 final DataContainer<DatabaseException> exception = new DataContainer<DatabaseException>();
2092 scheduleRequest(request, e -> exception.set(e), notify);
2093 acquire(notify, request);
2094 if(exception.get() != null) throw exception.get();
2099 * GraphRequestProcessor interface
2103 public <T> void asyncRequest(final AsyncRead<T> request, final AsyncProcedure<T> procedure) {
2105 scheduleRequest(request, procedure, null, null);
2110 public <T> void asyncRequest(final AsyncMultiRead<T> request, final AsyncMultiProcedure<T> procedure) {
2112 scheduleRequest(request, procedure, null);
2117 public <T> void asyncRequest(final ExternalRead<T> request, final Procedure<T> procedure) {
2119 scheduleRequest(request, procedure, null, null, null);
2124 public void asyncRequest(final Write request, final Consumer<DatabaseException> callback) {
2126 scheduleRequest(request, callback, null);
2131 public <T> void asyncRequest(final WriteResult<T> request, final Procedure<T> procedure) {
2133 scheduleRequest(request, procedure, null);
2138 public <T> void asyncRequest(final WriteOnlyResult<T> request, final Procedure<T> procedure) {
2140 scheduleRequest(request, procedure, null);
2145 public <T> void asyncRequest(final DelayedWriteResult<T> request, final Procedure<T> procedure) {
2147 scheduleRequest(request, procedure, null);
2152 public void asyncRequest(final DelayedWrite request, final Consumer<DatabaseException> callback) {
2154 scheduleRequest(request, callback, null);
2159 public void asyncRequest(final Write r) {
2160 asyncRequest(r, null);
2164 public void asyncRequest(final DelayedWrite r) {
2165 asyncRequest(r, null);
2169 public void asyncRequest(final WriteOnly request, final Consumer<DatabaseException> callback) {
2171 scheduleRequest(request, callback, null);
2176 public void asyncRequest(final WriteOnly request) {
2178 asyncRequest(request, null);
2183 public <T> void async(ReadInterface<T> r, AsyncProcedure<T> procedure) {
2184 r.request(this, procedure);
2188 public <T> void async(ReadInterface<T> r, Procedure<T> procedure) {
2189 r.request(this, procedure);
2193 public <T> void async(ReadInterface<T> r, SyncProcedure<T> procedure) {
2194 r.request(this, procedure);
2198 public <T> void async(ReadInterface<T> r, AsyncListener<T> procedure) {
2199 r.request(this, procedure);
2203 public <T> void async(ReadInterface<T> r, Listener<T> procedure) {
2204 r.request(this, procedure);
2208 public <T> void async(ReadInterface<T> r, SyncListener<T> procedure) {
2209 r.request(this, procedure);
2213 public <T> T sync(ReadInterface<T> r) throws DatabaseException {
2214 return r.request(this);
2218 public <T> T sync(WriteInterface<T> r) throws DatabaseException {
2219 return r.request(this);
2223 public <T> void async(WriteInterface<T> r, Procedure<T> procedure) {
2224 r.request(this, procedure);
2228 public <T> void async(WriteInterface<T> r) {
2229 r.request(this, new ProcedureAdapter<T>());
2233 public void incAsync() {
2238 public void decAsync() {
2242 public long getCluster(ResourceImpl resource) {
2243 ClusterI cluster = clusterTable.getClusterByResourceKey(resource.id);
2244 return cluster.getClusterId();
2247 public long getCluster(int id) {
2248 if (clusterTable == null)
2249 System.out.println("SessionImplSocket.getCluster() clusterTable == null !!!!! how come");
2250 return clusterTable.getClusterIdByResourceKeyNoThrow(id);
2253 public ResourceImpl getResource(int id) {
2254 return new ResourceImpl(resourceSupport, id);
2257 public ResourceImpl getResource(int resourceIndex, long clusterId) {
2258 assert (!ClusterTraitsBase.isIllegalResourceIndex(resourceIndex));
2259 ClusterI proxy = clusterTable.getClusterByClusterId(clusterId);
2260 int key = proxy.getClusterKey();
2261 int resourceKey = ClusterTraitsBase.createResourceKeyNoThrow(key, resourceIndex);
2262 return new ResourceImpl(resourceSupport, resourceKey);
2265 public ResourceImpl getResource2(int id) {
2267 return new ResourceImpl(resourceSupport, id);
2270 final public int getId(ResourceImpl impl) {
2274 public static final Charset UTF8 = Charset.forName("utf-8");
2279 static boolean areVirtualStatementsLoaded(final VirtualGraphServerSupportImpl support, int subject) {
2280 for(TransientGraph g : support.providers) {
2281 if(g.isPending(subject)) return false;
2286 static boolean areVirtualStatementsLoaded(final VirtualGraphServerSupportImpl support, int subject, int predicate) {
2287 for(TransientGraph g : support.providers) {
2288 if(g.isPending(subject, predicate)) return false;
2293 static void loadVirtualStatements(final VirtualGraphServerSupportImpl support, ReadGraphImpl graph, int subject, final Consumer<ReadGraphImpl> runnable) {
2295 Consumer<ReadGraphImpl> composite = new Consumer<ReadGraphImpl>() {
2297 AtomicInteger ready = new AtomicInteger(support.providers.size() + 1);
2300 public void accept(ReadGraphImpl graph) {
2301 if(ready.decrementAndGet() == 0) {
2302 runnable.accept(graph);
2308 for(TransientGraph g : support.providers) {
2309 if(g.isPending(subject)) {
2311 g.load(graph, subject, composite);
2312 } catch (DatabaseException e) {
2313 e.printStackTrace();
2316 composite.accept(graph);
2320 composite.accept(graph);
2324 static void loadVirtualStatements(final VirtualGraphServerSupportImpl support, ReadGraphImpl graph, int subject, int predicate, final Consumer<ReadGraphImpl> runnable) {
2326 Consumer<ReadGraphImpl> composite = new Consumer<ReadGraphImpl>() {
2328 AtomicInteger ready = new AtomicInteger(support.providers.size() + 1);
2331 public void accept(ReadGraphImpl graph) {
2332 if(ready.decrementAndGet() == 0) {
2333 runnable.accept(graph);
2339 for(TransientGraph g : support.providers) {
2340 if(g.isPending(subject, predicate)) {
2342 g.load(graph, subject, predicate, composite);
2343 } catch (DatabaseException e) {
2344 e.printStackTrace();
2347 composite.accept(graph);
2351 composite.accept(graph);
2355 // void dumpHeap() {
2358 // ManagementFactory.newPlatformMXBeanProxy(ManagementFactory.getPlatformMBeanServer(),
2359 // "com.sun.management:type=HotSpotDiagnostic", HotSpotDiagnosticMXBean.class).dumpHeap(
2360 // "d:/heap" + flushCounter + ".txt", true);
2361 // } catch (IOException e) {
2362 // e.printStackTrace();
2367 void fireReactionsToSynchronize(ChangeSet cs) {
2369 // Do not fire empty events
2373 ReadGraphImpl g = ReadGraphImpl.create(getQueryProvider2());
2374 // g.state.barrier.inc();
2378 if (!cs.isEmpty()) {
2379 ChangeEvent e2 = new ChangeEvent(g.getSession(), g, null, cs);
2380 for (ChangeListener l : changeListeners2) {
2383 } catch (Exception ex) {
2384 ex.printStackTrace();
2391 // g.state.barrier.dec();
2392 // g.waitAsync(null);
2398 void fireReactionsToCommit(ReadGraphImpl graph, ChangeSet cs2) {
2401 // Do not fire empty events
2406 // graph.state.barrier.inc();
2410 if (!cs2.isEmpty()) {
2412 ChangeEvent e2 = new ChangeEvent(graph.getSession(), graph, null, cs2);
2413 for (ChangeListener l : changeListeners2) {
2416 // System.out.println("changelistener " + l);
2417 } catch (Exception ex) {
2418 ex.printStackTrace();
2426 // graph.state.barrier.dec();
2427 // graph.waitAsync(null);
2430 } catch (Throwable t) {
2431 t.printStackTrace();
2435 void fireMetadataListeners(WriteGraphImpl graph, ChangeSet cs2) {
2439 // Do not fire empty events
2443 // Do not fire on virtual requests
2444 if(graph.getProvider() != null)
2447 WriteGraphImpl reactionGraph = WriteGraphImpl.create(graph.processor, writeSupport, null);
2451 ChangeEvent e2 = new ChangeEvent(graph.getSession(), reactionGraph, graph, cs2);
2452 for (ChangeListener l : metadataListeners) {
2455 } catch (Throwable ex) {
2456 ex.printStackTrace();
2464 } catch (Throwable t) {
2465 t.printStackTrace();
2474 * @see org.simantics.db.ServiceLocator#getService(java.lang.Class)
2477 public <T> T getService(Class<T> api) {
2478 T t = peekService(api);
2480 if (state.isClosed())
2481 throw new ServiceNotFoundException(this, api, "Session has been shut down");
2482 throw new ServiceNotFoundException(this, api);
2490 protected abstract ServerInformation getCachedServerInformation();
2492 private Class<?> serviceKey1 = null;
2493 private Class<?> serviceKey2 = null;
2494 private Object service1 = null;
2495 private Object service2 = null;
2501 * fi.vtt.simantics.db.connection.ServiceLocator#peekService(java.lang.Class)
2503 @SuppressWarnings("unchecked")
2505 public synchronized <T> T peekService(Class<T> api) {
2507 if(serviceKey1 == api) {
2509 } else if (serviceKey2 == api) {
2511 Object result = service2;
2512 service2 = service1;
2513 serviceKey2 = serviceKey1;
2519 if (Layer0.class == api)
2521 if (ServerInformation.class == api)
2522 return (T) getCachedServerInformation();
2523 else if (WriteGraphImpl.class == api)
2524 return (T) writeState.getGraph();
2525 else if (ClusterBuilder.class == api)
2526 return (T)new ClusterBuilderImpl(this, (WriteOnlySupport)writeState.getGraph().writeSupport);
2527 else if (ClusterBuilderFactory.class == api)
2528 return (T)new ClusterBuilderFactoryImpl(this);
2530 service2 = service1;
2531 serviceKey2 = serviceKey1;
2533 service1 = serviceLocator.peekService(api);
2544 * fi.vtt.simantics.db.connection.ServiceLocator#hasService(java.lang.Class)
2547 public boolean hasService(Class<?> api) {
2548 return serviceLocator.hasService(api);
2552 * @param api the api that must be implemented by the specified service
2553 * @param service the service implementation
2556 public <T> void registerService(Class<T> api, T service) {
2557 if(Layer0.class == api) {
2558 L0 = (Layer0)service;
2561 serviceLocator.registerService(api, service);
2562 if (TransactionPolicySupport.class == api) {
2563 transactionPolicy = (TransactionPolicySupport)service;
2564 state.resetTransactionPolicy();
2566 if (api == serviceKey1)
2568 else if (api == serviceKey2)
2576 void fireSessionVariableChange(String variable) {
2577 for (MonitorHandler h : monitorHandlers) {
2578 MonitorContext ctx = monitorContexts.getLeft(h);
2580 // SafeRunner functionality repeated here to avoid dependency.
2582 h.valuesChanged(ctx);
2583 } catch (Exception e) {
2584 Logger.defaultLogError("monitor handler notification produced the following exception", e);
2585 } catch (LinkageError e) {
2586 Logger.defaultLogError("monitor handler notification produced a linkage error", e);
2592 class ResourceSerializerImpl implements ResourceSerializer {
2594 public long createRandomAccessId(int id) throws DatabaseException {
2597 int index = ClusterTraitsBase.getResourceIndexFromResourceKey(id);
2598 long cluster = getCluster(id);
2600 return 0; // Better to return 0 then invalid id.
2601 long result = ClusterTraitsBase.createResourceId(cluster, index);
2606 public long getRandomAccessId(Resource resource) throws DatabaseException {
2608 ResourceImpl resourceImpl = (ResourceImpl) resource;
2609 return createRandomAccessId(resourceImpl.id);
2614 public int getTransientId(Resource resource) throws DatabaseException {
2616 ResourceImpl resourceImpl = (ResourceImpl) resource;
2617 return resourceImpl.id;
2622 public String createRandomAccessId(Resource resource)
2623 throws InvalidResourceReferenceException {
2625 if(resource == null) throw new IllegalArgumentException();
2627 ResourceImpl resourceImpl = (ResourceImpl) resource;
2629 if (resourceImpl.id < 0) return String.valueOf(resourceImpl.id) + "_0";
2633 r = ClusterTraits.getResourceIndexFromResourceKey(resourceImpl.id);
2634 } catch (DatabaseException e1) {
2635 throw new InvalidResourceReferenceException(e1);
2638 // Serialize as '<resource index>_<cluster id>'
2639 return "" + r + "_" + getCluster(resourceImpl);
2640 } catch (Throwable e) {
2641 e.printStackTrace();
2642 throw new InvalidResourceReferenceException(e);
2647 public int getTransientId(long serialized) throws DatabaseException {
2648 if (serialized <= 0)
2649 return (int)serialized;
2650 int index = ClusterTraitsBase.getResourceIndexFromResourceId(serialized);
2651 long c = ClusterTraitsBase.getClusterIdFromResourceId(serialized);
2652 ClusterI cluster = clusterTranslator.getClusterByClusterId(c);
2653 if (cluster == null)
2654 throw new DatabaseException("Couldn't load cluster for id " + c + " for resource id " + serialized);
2655 int key = ClusterTraits.createResourceKey(cluster.getClusterKey(), index);
2660 public Resource getResource(long randomAccessId) throws DatabaseException {
2661 return getResourceByKey(getTransientId(randomAccessId));
2665 public Resource getResource(int transientId) throws DatabaseException {
2666 return getResourceByKey(transientId);
2670 public Resource getResource(String randomAccessId)
2671 throws InvalidResourceReferenceException {
2673 int i = randomAccessId.indexOf('_');
2675 throw new InvalidResourceReferenceException("Could not parse resource id + cluster id from '"
2676 + randomAccessId + "'");
2677 int r = Integer.parseInt(randomAccessId.substring(0, i));
2678 if(r < 0) return getResourceByKey(r);
2679 long c = Long.parseLong(randomAccessId.substring(i + 1));
2680 ClusterI cluster = clusterTranslator.getClusterByClusterId(c);
2681 int key = ClusterTraits.createResourceKey(cluster.getClusterKey(), r);
2682 if (cluster.hasResource(key, clusterTranslator))
2683 return getResourceByKey(key);
2684 } catch (InvalidResourceReferenceException e) {
2686 } catch (NumberFormatException e) {
2687 throw new InvalidResourceReferenceException(e);
2688 } catch (Throwable e) {
2689 e.printStackTrace();
2690 throw new InvalidResourceReferenceException(e);
2693 throw new InvalidResourceReferenceException("Resource does not exist " + randomAccessId);
2697 public boolean disposeRandomAccessId(String randomAccessId) throws InvalidResourceReferenceException {
2700 } catch (Throwable e) {
2701 e.printStackTrace();
2702 throw new InvalidResourceReferenceException(e);
2708 // Copied from old SessionImpl
2711 if (state.isClosed())
2712 throw new Error("Session closed.");
2717 public ResourceImpl getNewResource(long clusterId) {
2718 ClusterI cluster = clusterTable.getClusterByClusterIdOrThrow(clusterId);
2721 newId = cluster.createResource(clusterTranslator);
2722 } catch (DatabaseException e) {
2723 Logger.defaultLogError(e);
2726 return new ResourceImpl(resourceSupport, newId);
2729 public ResourceImpl getNewResource(Resource clusterSet)
2730 throws DatabaseException {
2731 long resourceId = clusterSet.getResourceId();
2732 Long clusterId = clusterSetsSupport.get(resourceId);
2733 if (null == clusterId)
2734 throw new ClusterSetExistException("Cluster set does not exist. Resource=" + clusterSet);
2735 if (Constants.NewClusterId == clusterId) {
2736 clusterId = getService(ClusteringSupport.class).createCluster();
2737 if ((serviceMode & SERVICE_MODE_CREATE) > 0)
2738 createdClusters.add(clusterId);
2739 clusterSetsSupport.put(resourceId, clusterId);
2740 return getNewResource(clusterId);
2742 ClusterBase cb = clusterTranslator.getClusterByClusterId(clusterId);
2743 ResourceImpl result;
2744 if (cb.getNumberOfResources(clusterTranslator) >= ClusterTable.CLUSTER_FILL_SIZE) {
2745 clusterId = getService(ClusteringSupport.class).createCluster();
2746 if ((serviceMode & SERVICE_MODE_CREATE) > 0)
2747 createdClusters.add(clusterId);
2748 clusterSetsSupport.put(resourceId, clusterId);
2749 return getNewResource(clusterId);
2751 result = getNewResource(clusterId);
2752 int resultKey = querySupport.getId(result);
2753 long resultCluster = querySupport.getClusterId(resultKey);
2754 if (clusterId != resultCluster)
2755 clusterSetsSupport.put(resourceId, resultCluster);
2761 public void getNewClusterSet(Resource clusterSet)
2762 throws DatabaseException {
2764 System.out.println("new cluster set=" + clusterSet);
2765 long resourceId = clusterSet.getResourceId();
2766 if (clusterSetsSupport.containsKey(resourceId))
2767 throw new ClusterSetExistException("Cluster set exist already. Resource=" + clusterSet);
2768 clusterSetsSupport.put(resourceId, Constants.NewClusterId);
2770 public boolean containsClusterSet(Resource clusterSet)
2771 throws ServiceException {
2772 long resourceId = clusterSet.getResourceId();
2773 return clusterSetsSupport.containsKey(resourceId);
2775 public Resource setDefaultClusterSet4NewResource(Resource clusterSet) {
2776 Resource r = defaultClusterSet;
2777 defaultClusterSet = clusterSet;
2780 void printDiagnostics() {
2784 final DataContainer<Long> totalMem = new DataContainer<Long>(0L);
2785 final DataContainer<Long> residentClusters = new DataContainer<Long>(0L);
2786 for(ClusterI cluster : clusterTable.getClusters()) {
2788 if (cluster.isLoaded() && !cluster.isEmpty()) {
2789 residentClusters.set(residentClusters.get() + 1);
2790 totalMem.set(totalMem.get() + cluster.getUsedSpace());
2792 } catch (DatabaseException e) {
2793 Logger.defaultLogError(e);
2797 System.out.println("--------------------------------");
2798 System.out.println("Cluster information:");
2799 System.out.println("-amount of resident clusters=" + residentClusters.get());
2800 System.out.println("-total memory usage=" + totalMem.get() / 1024 + "kB");
2802 for(ClusterI cluster : clusterTable.getClusters()) {
2803 System.out.print("Cluster " + cluster.getClusterId() + " [");
2805 if (!cluster.isLoaded())
2806 System.out.println("not loaded]");
2807 else if (cluster.isEmpty())
2808 System.out.println("is empty]");
2810 System.out.print("resources=" + cluster.getNumberOfResources(clusterTranslator));
2811 System.out.print(",references=" + cluster.getReferenceCount());
2812 System.out.println(",memory=" + cluster.getUsedSpace() / 1024 + "kB]");
2814 } catch (DatabaseException e) {
2815 Logger.defaultLogError(e);
2816 System.out.println("is corrupted]");
2820 queryProvider2.printDiagnostics();
2821 System.out.println("--------------------------------");
2826 public void fireStartReadTransaction() {
2829 System.out.println("StartReadTransaction");
2831 for (SessionEventListener listener : eventListeners) {
2833 listener.readTransactionStarted();
2834 } catch (Throwable t) {
2835 t.printStackTrace();
2841 public void fireFinishReadTransaction() {
2844 System.out.println("FinishReadTransaction");
2846 for (SessionEventListener listener : eventListeners) {
2848 listener.readTransactionFinished();
2849 } catch (Throwable t) {
2850 t.printStackTrace();
2856 public void fireStartWriteTransaction() {
2859 System.out.println("StartWriteTransaction");
2861 for (SessionEventListener listener : eventListeners) {
2863 listener.writeTransactionStarted();
2864 } catch (Throwable t) {
2865 t.printStackTrace();
2871 public void fireFinishWriteTransaction() {
2874 System.out.println("FinishWriteTransaction");
2876 for (SessionEventListener listener : eventListeners) {
2878 listener.writeTransactionFinished();
2879 } catch (Throwable t) {
2880 t.printStackTrace();
2884 Indexing.resetDependenciesIndexingDisabled();
2888 Resource deserialize(final long resourceId, final long clusterId) throws IOException {
2889 throw new Error("Not supported at the moment.");
2896 ClusterTable getClusterTable() {
2897 return clusterTable;
2900 public GraphSession getGraphSession() {
2901 return graphSession;
2904 public QueryProcessor getQueryProvider2() {
2905 return queryProvider2;
2908 ClientChangesImpl getClientChanges() {
2909 return clientChanges;
2912 boolean getWriteOnly() {
2916 static int counter = 0;
2918 public void onClusterLoaded(long clusterId) {
2920 clusterTable.updateSize();
2928 * Implementation of the interface RequestProcessor
2932 public <T> T syncRequest(final Read<T> request) throws DatabaseException {
2937 assert(request != null);
2939 final DataContainer<T> result = new DataContainer<T>();
2940 final DataContainer<Throwable> exception = new DataContainer<Throwable>();
2942 syncRequest(request, new AsyncProcedure<T>() {
2945 public void execute(AsyncReadGraph graph, T t) {
2950 public void exception(AsyncReadGraph graph, Throwable t) {
2956 Throwable t = exception.get();
2958 if(t instanceof DatabaseException) throw (DatabaseException)t;
2959 else throw new DatabaseException("Unexpected exception in ReadGraph.syncRequest(Read)", t);
2962 return result.get();
2967 // public <T> T syncRequest(Read<T> request, AsyncListener<T> procedure) throws DatabaseException {
2968 // assertNotSession();
2969 // return syncRequest(request, (AsyncProcedure<T>)procedure);
2973 public <T> T syncRequest(Read<T> request, SyncListener<T> procedure) throws DatabaseException {
2975 return syncRequest(request, new SyncToAsyncListener<T>(procedure));
2979 public <T> T syncRequest(Read<T> request, final Listener<T> procedure) throws DatabaseException {
2981 return syncRequest(request, new NoneToAsyncListener<T>(procedure));
2985 public <T> T syncRequest(final Read<T> request, final SyncProcedure<T> procedure) throws DatabaseException {
2987 return syncRequest(request, new SyncToAsyncProcedure<T>(procedure));
2991 public <T> T syncRequest(Read<T> request, Procedure<T> procedure) throws DatabaseException {
2993 return syncRequest(request, new NoneToAsyncProcedure<T>(procedure));
2997 public <T> T syncRequest(final AsyncRead<T> request) throws DatabaseException {
3001 assert(request != null);
3003 final DataContainer<T> result = new DataContainer<T>();
3004 final DataContainer<Throwable> exception = new DataContainer<Throwable>();
3006 syncRequest(request, new AsyncProcedure<T>() {
3009 public void execute(AsyncReadGraph graph, T t) {
3014 public void exception(AsyncReadGraph graph, Throwable t) {
3020 Throwable t = exception.get();
3022 if(t instanceof DatabaseException) throw (DatabaseException)t;
3023 else throw new DatabaseException("Unexpected exception in ReadGraph.syncRequest(Read)", t);
3026 return result.get();
3031 public <T> T syncRequest(AsyncRead<T> request, AsyncListener<T> procedure) throws DatabaseException {
3033 return syncRequest(request, (AsyncProcedure<T>)procedure);
3037 public <T> T syncRequest(AsyncRead<T> request, SyncListener<T> procedure) throws DatabaseException {
3039 return syncRequest(request, new SyncToAsyncListener<T>(procedure));
3043 public <T> T syncRequest(AsyncRead<T> request, Listener<T> procedure) throws DatabaseException {
3045 return syncRequest(request, new NoneToAsyncListener<T>(procedure));
3049 public <T> T syncRequest(AsyncRead<T> request, final SyncProcedure<T> procedure) throws DatabaseException {
3051 return syncRequest(request, new SyncToAsyncProcedure<T>(procedure));
3055 final public <T> T syncRequest(final AsyncRead<T> request, final Procedure<T> procedure) throws DatabaseException {
3057 return syncRequest(request, new NoneToAsyncProcedure<T>(procedure));
3061 public <T> Collection<T> syncRequest(MultiRead<T> request) throws DatabaseException {
3065 assert(request != null);
3067 final ArrayList<T> result = new ArrayList<T>();
3068 final DataContainer<Throwable> exception = new DataContainer<Throwable>();
3070 syncRequest(request, new AsyncMultiProcedure<T>() {
3073 public void execute(AsyncReadGraph graph, T t) {
3074 synchronized(result) {
3080 public void finished(AsyncReadGraph graph) {
3084 public void exception(AsyncReadGraph graph, Throwable t) {
3091 Throwable t = exception.get();
3093 if(t instanceof DatabaseException) throw (DatabaseException)t;
3094 else throw new DatabaseException("Unexpected exception in ReadGraph.syncRequest(Read)", t);
3102 public <T> Collection<T> syncRequest(MultiRead<T> request, AsyncMultiListener<T> procedure) throws DatabaseException {
3104 return syncRequest(request, (AsyncMultiProcedure<T>)procedure);
3108 public <T> Collection<T> syncRequest(MultiRead<T> request, SyncMultiListener<T> procedure) throws DatabaseException {
3110 return syncRequest(request, new SyncToAsyncMultiListener<T>(procedure));
3114 public <T> Collection<T> syncRequest(MultiRead<T> request, MultiListener<T> procedure) throws DatabaseException {
3116 return syncRequest(request, new NoneToAsyncMultiListener<T>(procedure));
3120 public <T> Collection<T> syncRequest(MultiRead<T> request, SyncMultiProcedure<T> procedure) throws DatabaseException {
3122 return syncRequest(request, new SyncToAsyncMultiProcedure<T>(procedure));
3126 public <T> Collection<T> syncRequest(MultiRead<T> request, MultiProcedure<T> procedure) throws DatabaseException {
3128 return syncRequest(request, new NoneToAsyncMultiProcedure<T>(procedure));
3132 final public <T> Collection<T> syncRequest(final AsyncMultiRead<T> request) throws DatabaseException {
3136 assert(request != null);
3138 final ArrayList<T> result = new ArrayList<T>();
3139 final DataContainer<Throwable> exception = new DataContainer<Throwable>();
3141 syncRequest(request, new AsyncMultiProcedure<T>() {
3144 public void execute(AsyncReadGraph graph, T t) {
3145 synchronized(result) {
3151 public void finished(AsyncReadGraph graph) {
3155 public void exception(AsyncReadGraph graph, Throwable t) {
3162 Throwable t = exception.get();
3164 if(t instanceof DatabaseException) throw (DatabaseException)t;
3165 else throw new DatabaseException("Unexpected exception in ReadGraph.syncRequest(Read)", t);
3173 public <T> Collection<T> syncRequest(AsyncMultiRead<T> request, AsyncMultiListener<T> procedure) throws DatabaseException {
3175 return syncRequest(request, (AsyncMultiProcedure<T>)procedure);
3179 public <T> Collection<T> syncRequest(AsyncMultiRead<T> request, SyncMultiListener<T> procedure) throws DatabaseException {
3181 return syncRequest(request, new SyncToAsyncMultiListener<T>(procedure));
3185 public <T> Collection<T> syncRequest(AsyncMultiRead<T> request, MultiListener<T> procedure) throws DatabaseException {
3187 return syncRequest(request, new NoneToAsyncMultiListener<T>(procedure));
3191 public <T> Collection<T> syncRequest(AsyncMultiRead<T> request, final SyncMultiProcedure<T> procedure) throws DatabaseException {
3193 return syncRequest(request, new SyncToAsyncMultiProcedure<T>(procedure));
3197 final public <T> Collection<T> syncRequest(final AsyncMultiRead<T> request, final MultiProcedure<T> procedure) throws DatabaseException {
3199 return syncRequest(request, new NoneToAsyncMultiProcedure<T>(procedure));
3204 public <T> void asyncRequest(Read<T> request) {
3206 asyncRequest(request, new ProcedureAdapter<T>() {
3208 public void exception(Throwable t) {
3209 t.printStackTrace();
3216 public <T> void asyncRequest(Read<T> request, AsyncListener<T> procedure) {
3217 asyncRequest(request, (AsyncProcedure<T>)procedure);
3221 public <T> void asyncRequest(Read<T> request, final SyncListener<T> procedure) {
3222 asyncRequest(request, new SyncToAsyncListener<T>(procedure));
3226 public <T> void asyncRequest(Read<T> request, final Listener<T> procedure) {
3227 asyncRequest(request, new NoneToAsyncListener<T>(procedure));
3231 public <T> void asyncRequest(Read<T> request, SyncProcedure<T> procedure) {
3232 asyncRequest(request, new SyncToAsyncProcedure<T>(procedure));
3236 public <T> void asyncRequest(Read<T> request, final Procedure<T> procedure) {
3237 asyncRequest(request, new NoneToAsyncProcedure<T>(procedure));
3241 final public <T> void asyncRequest(final AsyncRead<T> request) {
3243 assert(request != null);
3245 asyncRequest(request, new ProcedureAdapter<T>() {
3247 public void exception(Throwable t) {
3248 t.printStackTrace();
3255 public <T> void asyncRequest(AsyncRead<T> request, AsyncListener<T> procedure) {
3256 scheduleRequest(request, procedure, procedure, null);
3260 public <T> void asyncRequest(AsyncRead<T> request, final SyncListener<T> procedure) {
3261 asyncRequest(request, new SyncToAsyncListener<T>(procedure));
3265 public <T> void asyncRequest(AsyncRead<T> request, final Listener<T> procedure) {
3266 asyncRequest(request, new NoneToAsyncListener<T>(procedure));
3270 public <T> void asyncRequest(AsyncRead<T> request, SyncProcedure<T> procedure) {
3271 asyncRequest(request, new SyncToAsyncProcedure<T>(procedure));
3275 final public <T> void asyncRequest(final AsyncRead<T> request, final Procedure<T> procedure) {
3276 asyncRequest(request, new NoneToAsyncProcedure<T>(procedure));
3280 public <T> void asyncRequest(MultiRead<T> request) {
3282 assert(request != null);
3284 asyncRequest(request, new AsyncMultiProcedureAdapter<T>() {
3286 public void exception(AsyncReadGraph graph, Throwable t) {
3287 t.printStackTrace();
3294 public <T> void asyncRequest(MultiRead<T> request, AsyncMultiListener<T> procedure) {
3295 asyncRequest(request, (AsyncMultiProcedure<T>)procedure);
3299 public <T> void asyncRequest(MultiRead<T> request, SyncMultiListener<T> procedure) {
3300 asyncRequest(request, new SyncToAsyncMultiListener<T>(procedure));
3304 public <T> void asyncRequest(MultiRead<T> request, MultiListener<T> procedure) {
3305 asyncRequest(request, new NoneToAsyncMultiListener<T>(procedure));
3309 public <T> void asyncRequest(MultiRead<T> request, SyncMultiProcedure<T> procedure) {
3310 asyncRequest(request, new SyncToAsyncMultiProcedure<T>(procedure));
3314 public <T> void asyncRequest(MultiRead<T> request, MultiProcedure<T> procedure) {
3315 asyncRequest(request, new NoneToAsyncMultiProcedure<T>(procedure));
3319 final public <T> void asyncRequest(AsyncMultiRead<T> request) {
3321 assert(request != null);
3323 asyncRequest(request, new AsyncMultiProcedureAdapter<T>() {
3325 public void exception(AsyncReadGraph graph, Throwable t) {
3326 t.printStackTrace();
3333 public <T> void asyncRequest(AsyncMultiRead<T> request, AsyncMultiListener<T> procedure) {
3334 asyncRequest(request, (AsyncMultiProcedure<T>)procedure);
3338 public <T> void asyncRequest(AsyncMultiRead<T> request, SyncMultiListener<T> procedure) {
3339 asyncRequest(request, new SyncToAsyncMultiListener<T>(procedure));
3343 public <T> void asyncRequest(AsyncMultiRead<T> request, MultiListener<T> procedure) {
3344 asyncRequest(request, new NoneToAsyncMultiListener<T>(procedure));
3348 public <T> void asyncRequest(AsyncMultiRead<T> request, SyncMultiProcedure<T> procedure) {
3349 asyncRequest(request, new SyncToAsyncMultiProcedure<T>(procedure));
3353 final public <T> void asyncRequest(AsyncMultiRead<T> request, final MultiProcedure<T> procedure) {
3354 asyncRequest(request, new NoneToAsyncMultiProcedure<T>(procedure));
3358 public <T> Collection<T> syncRequest(MultiRead<T> arg0, AsyncMultiProcedure<T> arg1) throws DatabaseException {
3360 throw new Error("Not implemented!");
3364 public <T> void asyncRequest(MultiRead<T> arg0, AsyncMultiProcedure<T> arg1) {
3365 throw new Error("Not implemented!");
3369 final public <T> void asyncRequest(final ExternalRead<T> request) {
3371 assert(request != null);
3373 asyncRequest(request, new ProcedureAdapter<T>() {
3375 public void exception(Throwable t) {
3376 t.printStackTrace();
3383 public <T> void asyncRequest(ExternalRead<T> request, final Listener<T> procedure) {
3384 asyncRequest(request, (Procedure<T>)procedure);
3389 void check(Throwable t) throws DatabaseException {
3391 if(t instanceof DatabaseException) throw (DatabaseException)t;
3392 else throw new DatabaseException("Unexpected exception", t);
3396 void check(DataContainer<Throwable> container) throws DatabaseException {
3397 Throwable t = container.get();
3399 if(t instanceof DatabaseException) throw (DatabaseException)t;
3400 else throw new DatabaseException("Unexpected exception", t);
3409 boolean sameProvider(Write request) {
3410 if(writeState.getGraph().provider != null) {
3411 return writeState.getGraph().provider.equals(request.getProvider());
3413 return request.getProvider() == null;
3417 boolean plainWrite(WriteGraphImpl graph) {
3418 if(graph == null) return false;
3419 if(graph.writeSupport.writeOnly()) return false;
3424 public static final ThreadGroup SessionThreadGroup = new ThreadGroup("Session Thread Group");
3425 private void assertNotSession() throws DatabaseException {
3426 Thread current = Thread.currentThread();
3427 if(sessionThreads.contains(current)) throw new DatabaseException("Caller is already inside a transaction.");
3430 void assertAlive() {
3431 if (!state.isAlive())
3432 throw new RuntimeDatabaseException("Session has been shut down.");
3435 public InputStream getValueStream(ReadGraphImpl graph, Resource resource) {
3436 return querySupport.getValueStream(graph, querySupport.getId(resource));
3439 public byte[] getValue(ReadGraphImpl graph, Resource resource) {
3440 return querySupport.getValue(graph, querySupport.getId(resource));
3443 <T> void acquire(Semaphore semaphore, T request) throws DatabaseException {
3444 acquire(semaphore, request, null);
3447 private <T,P> void acquire(Semaphore semaphore, T request, P procedure) throws DatabaseException {
3451 // Loop until the semaphore is acquired reporting requests that take a long time.
3454 if (semaphore.tryAcquire(DebugPolicy.LONG_EXECUTION_REPORT_PERIOD, DebugPolicy.LONG_EXECUTION_REPORT_PERIOD_UNIT)) {
3458 if (DebugPolicy.REPORT_TIME_CONSUMING_REQUESTS) {
3460 long waitTime = DebugPolicy.LONG_EXECUTION_REPORT_PERIOD_UNIT
3461 .toMillis(DebugPolicy.LONG_EXECUTION_REPORT_PERIOD)
3463 System.err.println("DB client request '" + request + "' is taking long to execute, so far "
3464 + (waitTime) + " ms. (procedure=" + procedure + ")");
3471 } catch (InterruptedException e) {
3472 e.printStackTrace();
3473 // FIXME: Should perhaps do something else in this case ??
3480 // public boolean holdOnToTransactionAfterCancel() {
3481 // return transactionPolicy.holdOnToTransactionAfterCancel();
3485 // public boolean holdOnToTransactionAfterCommit() {
3486 // return transactionPolicy.holdOnToTransactionAfterCommit();
3490 // public boolean holdOnToTransactionAfterRead() {
3491 // return transactionPolicy.holdOnToTransactionAfterRead();
3495 // public void onRelinquish() {
3496 // transactionPolicy.onRelinquish();
3500 // public void onRelinquishDone() {
3501 // transactionPolicy.onRelinquishDone();
3505 // public void onRelinquishError() {
3506 // transactionPolicy.onRelinquishError();
3511 public Session getSession() {
3516 protected abstract VirtualGraph getProvider(VirtualGraph virtualGraph);
3517 protected abstract ResourceImpl getNewResource() throws DatabaseException;
3519 public void ceased(int thread) {
3521 requestManager.ceased(thread);
3525 public int getAmountOfQueryThreads() {
3526 // This must be a power of two
3528 // return Integer.highestOneBit(Runtime.getRuntime().availableProcessors());
3531 public Resource getResourceByKey(int key) throws ResourceNotFoundException {
3533 return new ResourceImpl(resourceSupport, key);
3537 public void acquireWriteOnly() {
3541 public void releaseWriteOnly(ReadGraphImpl graph) {
3543 queryProvider2.releaseWrite(graph);
3546 public void handleUpdatesAndMetadata(WriteGraphImpl writer) {
3548 long start = System.nanoTime();
3550 while(dirtyPrimitives) {
3551 dirtyPrimitives = false;
3552 getQueryProvider2().performDirtyUpdates(writer);
3553 getQueryProvider2().performScheduledUpdates(writer);
3556 fireMetadataListeners(writer, clientChanges);
3558 if(DebugPolicy.PERFORMANCE_DATA) {
3559 long end = System.nanoTime();
3560 System.err.println("handleUpdatesAndMetadata " + 1e-9*(end-start));
3565 void removeTemporaryData() {
3566 File platform = Platform.getLocation().toFile();
3567 File tempFiles = new File(platform, "tempFiles");
3568 File temp = new File(tempFiles, "db");
3572 Files.walkFileTree(temp.toPath(), new SimpleFileVisitor<Path>() {
3574 public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) {
3577 } catch (IOException e) {
3578 Logger.defaultLogError(e);
3580 return FileVisitResult.CONTINUE;
3583 } catch (IOException e) {
3584 Logger.defaultLogError(e);
3588 public void handleCreatedClusters() {
3589 if ((serviceMode & SERVICE_MODE_CREATE) > 0) {
3590 createdClusters.forEach(new TLongProcedure() {
3593 public boolean execute(long value) {
3594 ClusterImpl cluster = clusterTable.getClusterByClusterId(value);
3595 cluster.setImmutable(true, clusterTranslator);
3600 createdClusters.clear();
3604 public Object getModificationCounter() {
3605 return queryProvider2.modificationCounter;
3609 public void markUndoPoint() {
3610 state.setCombine(false);