/*******************************************************************************
- * Copyright (c) 2007, 2010 Association for Decentralized Information Management
+ * Copyright (c) 2007, 2018 Association for Decentralized Information Management
* in Industry THTH ry.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
*******************************************************************************/
package org.simantics.db.impl.query;
-import java.util.Collection;
-import java.util.concurrent.Semaphore;
-
-import org.simantics.db.common.exception.DebugException;
+import org.simantics.db.exception.DatabaseException;
import org.simantics.db.impl.graph.ReadGraphImpl;
-import org.simantics.db.procedure.ListenerBase;
import org.simantics.db.request.RequestFlags;
-final public class DirectObjects extends CollectionBinaryQuery<IntProcedure> {
+final public class DirectObjects extends CollectionBinaryQuery<IntProcedure> implements IntProcedure {
- private DirectObjects(final int r1, final int r2) {
- super(r1, r2);
- }
+ DirectObjects(final int r1, final int r2) {
+ super(r1, r2);
+ }
- @Override
- public int type() {
- return RequestFlags.INVALIDATE;
- }
-
@Override
- public void clearResult(QuerySupport support) {
- setResult(INVALID_RESULT);
+ public int type() {
+ return RequestFlags.INVALIDATE;
}
- final static DirectObjects entry(final QueryProcessor provider, final int r1, final int r2) {
-
- return (DirectObjects)provider.directObjectsMap.get(id(r1,r2));
-
- }
-
- final static Collection<DirectObjects> entries(final QueryProcessor processor, final int r1) {
- DoubleKeyQueryHashMap<IntProcedure> hash = processor.directObjectsMap;
- return hash.values(r1);
- }
-
- final static void runner(ReadGraphImpl graph, final int r1, final int r2, CacheEntry parent, final ListenerBase listener, final IntProcedure procedure) {
-
- QueryProcessor processor = graph.processor;
-
- DirectObjects entry = (DirectObjects)processor.directObjectsMap.get(id(r1,r2));
- if(entry == null) {
-
- entry = new DirectObjects(r1, r2);
- entry.setPending();
- entry.clearResult(processor.querySupport);
- entry.putEntry(processor);
-
- processor.performForEach(graph, entry, parent, listener, procedure);
-
- } else {
-
- if(entry.isPending()) {
- synchronized(entry) {
- if(entry.isPending()) {
- processor.registerDependencies(graph, entry, parent, listener, procedure, false);
- entry.computeForEach(graph, processor, procedure, true);
- return;
- }
- }
- }
-
- processor.performForEach(graph, entry, parent, listener, procedure);
-
- }
-
- }
-
- final public static void queryEach(ReadGraphImpl graph, final int r1, final int r2, final QueryProcessor provider, final CacheEntry parent, final ListenerBase listener, final IntProcedure procedure) {
+ @Override
+ public final void removeEntry(QueryProcessor provider) {
+ provider.cache.remove(this);
+ }
- assert(r1 != 0);
- assert(r2 != 0);
-
- if(parent == null && listener == null) {
- DirectObjects.computeForEach(graph, r1, r2, null, procedure);
- } else {
- runner(graph, r1, r2, parent, listener, procedure);
- }
+ // @Override
+ public Object compute(ReadGraphImpl graph, final IntProcedure procedure) throws DatabaseException {
+ computeForEach(graph, r1(), r2(), this, procedure);
+ return getResult();
+ }
- }
+ public static void computeForEach(ReadGraphImpl graph, int r1, int r2, final DirectObjects entry,
+ final IntProcedure procedure_) throws DatabaseException {
- @Override
- public BinaryQuery<IntProcedure> getEntry(QueryProcessor provider) {
- return provider.directObjectsMap.get(id);
- }
+ IntProcedure procedure = entry != null ? entry : procedure_;
- @Override
- public void putEntry(QueryProcessor provider) {
- provider.directObjectsMap.put(id, this);
- }
+ QueryProcessor processor = graph.processor;
- @Override
- final public void removeEntry(QueryProcessor provider) {
- provider.directObjectsMap.remove(id);
- }
+ processor.querySupport.ensureLoaded(graph, r1, r2);
- @Override
- public void computeForEach(ReadGraphImpl graph, final QueryProcessor queryProvider, final IntProcedure procedure, final boolean store) {
- computeForEach(graph, r1(), r2(), this, procedure);
- }
+ processor.querySupport.getObjects(graph, r1, r2, procedure);
- static public void computeForEach(ReadGraphImpl graph, int r1, int r2, final DirectObjects entry, final IntProcedure procedure) {
+ procedure.finished(graph);
- QueryProcessor processor = graph.processor;
-
- processor.querySupport.ensureLoaded(graph, r1, r2);
+ if (entry != null)
+ entry.performFromCache(graph, procedure_);
- processor.querySupport.getObjects(graph, r1, r2, new IntProcedure() {
+ }
- @Override
- public void execute(ReadGraphImpl graph, int i) {
- procedure.execute(graph, i);
- }
+ @Override
+ public String toString() {
+ return "DirectObjects[" + r1() + " - " + r2() + "]";
+ }
- @Override
- public void finished(ReadGraphImpl graph) {
- }
+ @Override
+ public void setReady() {
+ statusOrException = READY;
+ }
- @Override
- public void exception(ReadGraphImpl graph, Throwable t) {
- if(DebugException.DEBUG) new DebugException(t).printStackTrace();
- }
+ @Override
+ public Object performFromCache(ReadGraphImpl graph, IntProcedure procedure) throws DatabaseException {
- });
+ assert (isReady());
- if(entry != null) entry.finish(graph, processor);
- procedure.finished(graph);
+ if (handleException(graph, procedure))
+ return getResult();
- }
+ final IntArray value = (IntArray) getResult();
+ if (value.data == null) {
+ if (value.sizeOrData != IntArray.NO_DATA)
+ procedure.execute(graph, value.sizeOrData);
+ } else {
+ for (int i = 0; i < value.sizeOrData; i++)
+ procedure.execute(graph, value.data[i]);
+ }
- @Override
- public String toString() {
- return "DirectObjects[" + r1() + " - " + r2() + "]";
- }
+ procedure.finished(graph);
- @Override
- public void setReady() {
- statusOrException = READY;
- }
-
- final private void finish(ReadGraphImpl graph, QueryProcessor provider) {
- setReady();
- }
+ return value;
- @Override
- public void performFromCache(ReadGraphImpl graph, QueryProcessor provider, IntProcedure procedure) {
+ }
- assert(isReady());
- computeForEach(graph, provider, procedure, false);
+ @Override
+ public void recompute(ReadGraphImpl graph) throws DatabaseException {
- }
+ compute(graph, new IntProcedure() {
- @Override
- public void recompute(ReadGraphImpl graph, QueryProcessor provider) {
+ @Override
+ public void finished(ReadGraphImpl graph) {
+ }
- final Semaphore s = new Semaphore(0);
-
- computeForEach(graph, provider, new IntProcedure() {
+ @Override
+ public void exception(ReadGraphImpl graph, Throwable t) {
+ throw new Error("Error in recompute.", t);
+ }
- @Override
- public void finished(ReadGraphImpl graph) {
- s.release();
- }
+ @Override
+ public void execute(ReadGraphImpl graphd, int i) {
+ }
- @Override
- public void exception(ReadGraphImpl graph, Throwable t) {
- throw new Error("Error in recompute.", t);
- }
+ });
- @Override
- public void execute(ReadGraphImpl graphd, int i) {
- }
+ }
- }, true);
+ @Override
+ boolean isImmutable(ReadGraphImpl graph) {
+ return graph.processor.isImmutable(r1());
+ }
- while(!s.tryAcquire()) {
- provider.resume(graph);
- }
+ @Override
+ public void execute(ReadGraphImpl graph, int i) throws DatabaseException {
+ IntArray value = (IntArray) getResult();
+ value.add(i);
+ }
- }
+ @Override
+ public void finished(ReadGraphImpl graph) throws DatabaseException {
+ setReady();
+ }
@Override
- boolean isImmutable(ReadGraphImpl graph) {
- return graph.processor.isImmutable(r1());
+ public void exception(ReadGraphImpl graph, Throwable throwable) throws DatabaseException {
+ except(throwable);
}
-
-}
+}