]> gerrit.simantics Code Review - simantics/platform.git/blobdiff - bundles/org.simantics.db.layer0/src/org/simantics/db/layer0/util/TransferableGraphRequest2.java
Clean up and support internal seed resources in tg export
[simantics/platform.git] / bundles / org.simantics.db.layer0 / src / org / simantics / db / layer0 / util / TransferableGraphRequest2.java
diff --git a/bundles/org.simantics.db.layer0/src/org/simantics/db/layer0/util/TransferableGraphRequest2.java b/bundles/org.simantics.db.layer0/src/org/simantics/db/layer0/util/TransferableGraphRequest2.java
deleted file mode 100644 (file)
index c95a565..0000000
+++ /dev/null
@@ -1,509 +0,0 @@
-/*******************************************************************************
- * Copyright (c) 2007, 2010 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
- * which accompanies this distribution, and is available at
- * http://www.eclipse.org/legal/epl-v10.html
- *
- * Contributors:
- *     VTT Technical Research Centre of Finland - initial API and implementation
- *******************************************************************************/
-package org.simantics.db.layer0.util;
-
-import gnu.trove.list.array.TIntArrayList;
-import gnu.trove.map.TIntObjectMap;
-import gnu.trove.map.hash.TIntIntHashMap;
-import gnu.trove.map.hash.TIntObjectHashMap;
-import gnu.trove.procedure.TIntObjectProcedure;
-import gnu.trove.set.hash.TIntHashSet;
-
-import java.io.ByteArrayInputStream;
-import java.io.DataOutput;
-import java.io.DataOutputStream;
-import java.io.File;
-import java.io.FileInputStream;
-import java.io.FileNotFoundException;
-import java.io.FileOutputStream;
-import java.io.IOException;
-import java.io.InputStream;
-import java.io.ObjectInputStream;
-import java.io.ObjectOutputStream;
-import java.lang.management.ManagementFactory;
-import java.lang.reflect.InvocationTargetException;
-import java.lang.reflect.Method;
-import java.util.ArrayList;
-import java.util.Collection;
-import java.util.HashMap;
-import java.util.Map;
-import java.util.TreeMap;
-import java.util.UUID;
-
-import org.apache.commons.io.output.DeferredFileOutputStream;
-import org.simantics.databoard.Bindings;
-import org.simantics.databoard.binding.mutable.Variant;
-import org.simantics.db.ReadGraph;
-import org.simantics.db.Resource;
-import org.simantics.db.common.utils.NameUtils;
-import org.simantics.db.exception.DatabaseException;
-import org.simantics.db.exception.ValidationException;
-import org.simantics.db.layer0.adapter.SubgraphExtent.ExtentStatus;
-import org.simantics.db.request.Read;
-import org.simantics.db.service.ClusterControl;
-import org.simantics.db.service.ClusterControl.ClusterState;
-import org.simantics.db.service.SerialisationSupport;
-import org.simantics.graph.representation.External;
-import org.simantics.graph.representation.Identity;
-import org.simantics.graph.representation.Root;
-import org.simantics.graph.representation.TransferableGraph1;
-import org.simantics.graph.representation.Value;
-import org.simantics.layer0.Layer0;
-import org.simantics.utils.datastructures.Pair;
-
-/**
- * @deprecated in favor of {@link ModelTransferableGraphSourceRequest}
- */
-@Deprecated
-public class TransferableGraphRequest2 implements Read<TransferableGraph1> {
-
-       public static String LOG_FILE = "transferableGraph.log";
-       final static private boolean LOG = false;
-       final static private boolean DEBUG = false;
-       final static private boolean PROFILE = false;
-       
-       private TransferableGraphConfiguration configuration;
-       
-       static DataOutput log;
-
-       static {
-
-               if (LOG) {
-                       try {
-                               FileOutputStream stream = new FileOutputStream(LOG_FILE);
-                               log = new DataOutputStream(stream);
-                       } catch (FileNotFoundException e) {
-                               e.printStackTrace();
-                       }
-               }
-
-       }
-       
-       private static void log(String line) {
-               if (LOG) {
-                       try {
-                               log.writeUTF(line + "\n");
-                       } catch (IOException e) {
-                               e.printStackTrace();
-                       }
-               }
-       }
-       
-       
-       
-       public TransferableGraphRequest2(Collection<Pair<Resource, String>> roots, Resource model) {
-               
-               configuration = new TransferableGraphConfiguration();
-               configuration.roots = roots;
-               configuration.model = model;
-               
-       }
-
-       
-       public TransferableGraphRequest2(Collection<Pair<Resource, String>> roots) {
-               this(roots, null);
-       }
-
-       public TransferableGraphRequest2(TransferableGraphConfiguration conf) {
-               this.configuration = conf;
-       }
-
-       Layer0 L0;
-       
-       TIntArrayList inverses = new TIntArrayList();
-       int statements[];
-       int statementIndex = 0;
-       TIntIntHashMap ids;
-       TIntObjectMap<Variant> values;
-       TIntArrayList externalParents = new TIntArrayList();
-       ArrayList<String> externalNames = new ArrayList<String>(); 
-       int id = 0;
-       int internalCount;
-       
-       int indent = 0;
-
-       private SerialisationSupport support;
-
-       private boolean validateExternal(Resource r) {
-               if(configuration.disallowedExternals != null) {
-                       System.err.println("validateExternal agains " + configuration.disallowedExternals);
-                       return !configuration.disallowedExternals.contains(r);
-               }
-               return true;
-       }
-       
-       private Resource getResource(int r) throws DatabaseException {
-               return support.getResource(r);
-       }
-       
-       public int getInternalId(int r) {
-               return ids.get(r);
-       }
-       
-       public int getId(ReadGraph graph, int r, int predicate) throws DatabaseException {
-               if(ids.containsKey(r)) {
-                   int ret = ids.get(r);
-                   if(ret == -1) {
-                       for(int i=0;i<=indent;++i)
-                           System.out.print("  ");
-                       System.out.println("Cycle!!!"); // with " + GraphUtils.getReadableName(g, r));
-                   }
-                       return ret;
-               }
-               else {
-                       Collection<Resource> parents = graph.getObjects(getResource(r), L0.PartOf);                     
-                       if(parents.size() != 1) {
-                               throw new ValidationException("Reference to external resource " 
-                                               + NameUtils.getSafeName(graph, getResource(r), true) + " without unique uri (" + parents.size() + " parents).");
-                       }
-                       for(Resource p : parents) {
-                           ++indent;
-                   if(!validateExternal(p)) throw new ValidationException("References to '" + graph.getURI(p) + "' are not allowed.");
-                               externalParents.add(getId(graph, support.getTransientId(p), 0));
-                               --indent;
-                       }
-            externalNames.add((String)graph.getRelatedValue(getResource(r), L0.HasName));
-                       ids.put(r, id);
-                       return id++;
-               }
-       }
-       
-       public void addId(ReadGraph graph, int r, int predicate) throws DatabaseException {
-               statements[statementIndex++] = getId(graph, r, predicate); 
-       }
-       
-       public void setExternals(Collection<Resource> rs) {
-               configuration.externals = rs;
-       }
-       
-       @Override
-       public TransferableGraph1 perform(ReadGraph graph) throws DatabaseException {
-
-               support = graph.getService(SerialisationSupport.class);
-
-               this.L0 = Layer0.getInstance(graph);    
-
-               long total = System.nanoTime();
-
-       long startupTime = System.nanoTime();
-
-       ClusterControl cc = graph.getService(ClusterControl.class);
-       
-       ids = new TIntIntHashMap();
-       values = new TIntObjectHashMap<Variant>();
-       
-               ArrayList<Resource> rootResources = new ArrayList<Resource>();
-               for(Pair<Resource, String> p : configuration.roots) rootResources.add(p.first);
-
-               Map<Resource, ExtentStatus> preStatus = new HashMap<Resource, ExtentStatus>();
-               
-               for(Resource root : rootResources) {
-                       Resource name = graph.getPossibleObject(root, L0.HasName);
-                       if(name != null) {
-                               preStatus.put(name, ExtentStatus.EXCLUDED);
-                       }
-               }
-               
-               for(Resource r : configuration.externals) preStatus.put(r, ExtentStatus.EXTERNAL); 
-
-       long startupTimeEnd = System.nanoTime();
-
-               long domainTime = System.nanoTime();
-               
-               String otherStatements = "other" + UUID.randomUUID().toString();
-               String valueFileName = "value" + UUID.randomUUID().toString();
-               
-        File otherStatementsFile = new File(otherStatements);
-        File valueFile = new File(valueFileName);
-        
-        try {
-        
-               DeferredFileOutputStream otherStatementsStream = new DeferredFileOutputStream(1024*1024, otherStatementsFile);
-               DeferredFileOutputStream valueStream = new DeferredFileOutputStream(1024*1024, valueFile);
-               
-               ObjectOutputStream otherStatementsOutput = new ObjectOutputStream(otherStatementsStream);
-               ObjectOutputStream valueOutput = new ObjectOutputStream(valueStream);
-
-               ClusterState clusterState = cc.getClusterState();
-
-               TIntHashSet excludedShared = new TIntHashSet();
-               
-               TreeMap<String, Variant> extensions = new TreeMap<String, Variant>();
-               
-               Subgraphs.getDomain2(graph, ids, rootResources, preStatus, configuration.specials, otherStatementsOutput, valueOutput, extensions, excludedShared);
-               
-               id = ids.size();
-
-               cc.restoreClusterState(clusterState);
-
-//             dumpHeap("domain.hprof");
-
-               otherStatementsOutput.flush();
-               valueOutput.flush();
-               otherStatementsStream.close();
-               valueStream.close();
-               
-               long domainDuration = System.nanoTime() - domainTime;
-               System.err.println("Analysed graph in " + 1e-9*domainDuration + "s.");
-
-               internalCount = id;
-
-               ids.put(support.getTransientId(graph.getResource("http:/")), id++);
-               externalNames.add("http:/");
-               externalParents.add(-1);
-
-               InputStream otherStatementsInputStream = null;
-               InputStream valueInputStream = null;
-               
-               if(otherStatementsStream.isInMemory()) {
-                       otherStatementsInputStream = new ByteArrayInputStream(otherStatementsStream.getData());
-               } else {
-                       otherStatementsInputStream = new FileInputStream(otherStatementsFile);
-               }
-
-               if(valueStream.isInMemory()) {
-                       valueInputStream = new ByteArrayInputStream(valueStream.getData());
-               } else {
-                       valueInputStream = new FileInputStream(valueFile);
-               }
-
-               otherStatementsStream = null;
-               valueStream = null;
-               
-               ObjectInputStream otherStatementsInput = new ObjectInputStream(otherStatementsInputStream);
-               ObjectInputStream valueInput = new ObjectInputStream(valueInputStream);
-
-               long statementTime = System.nanoTime();
-               
-               TIntArrayList statementSet = new TIntArrayList();
-               
-               while(otherStatementsInput.available() > 0) {
-                       
-                       int s = otherStatementsInput.readInt();
-                       
-                       boolean exclude = !ids.contains(s);
-                       
-                       int size = otherStatementsInput.readInt();
-                       for(int i=0;i<size;i++) {
-                               int p = otherStatementsInput.readInt();
-                               int o = otherStatementsInput.readInt();
-                               if(!exclude) {
-                                       if(excludedShared.contains(o)) {
-//                                             System.err.println("excluding shared " + s + " " + p + " " + o);
-                                       } else {
-                                               statementSet.add(s);
-                                               statementSet.add(p);
-                                               statementSet.add(o);
-                                       }
-                               } else {
-//                                             System.err.println("excluding shared " + s);
-                               }
-                       }
-                       
-               }
-
-               TIntIntHashMap inverses = new TIntIntHashMap();
-               TIntHashSet predicateSet = new TIntHashSet();
-               for(int i=0;i<statementSet.size();i+=3) {
-                       int p = statementSet.getQuick(i+1);
-                       if(predicateSet.add(p)) {
-                                       Resource inverse = graph.getPossibleInverse(getResource(p));
-                                       if(inverse != null) inverses.put(p, support.getTransientId(inverse));
-                       }
-               }
-                       
-               predicateSet = null;
-               
-               TIntArrayList tgStatements = new TIntArrayList();
-               
-//             dumpHeap("export.hprof");
-
-               // 25%
-               int trim = Math.max(65536,statementSet.size()/12);
-               
-               for(int i=statementSet.size();i>0;i-=3) {
-
-                       if(trim-- == 0) {
-                               statementSet.remove(i, statementSet.size()-i);
-                               statementSet.trimToSize();
-                               trim = Math.max(65536,statementSet.size()/12);
-                       }
-
-                       int s = statementSet.getQuick(i-3);
-                       int p = statementSet.getQuick(i-2);
-                       int o = statementSet.getQuick(i-1);
-               
-                       int subjectId = ids.get(s);
-                       if(subjectId >= internalCount) System.err.println("Statement for external: " + s + " " + p + " " + o);
-                       
-                       int objectId = getId(graph, o, p);
-                       // The statement can be denied still
-                       if(objectId != -2) {
-                               tgStatements.add(subjectId);
-                               tgStatements.add(getId(graph, p, 0));
-                               int inverse = inverses.get(p);
-                               if(inverse != 0) {
-                                       tgStatements.add(getId(graph, inverse, 0));
-                               } else {
-                                       tgStatements.add(-1);
-                               }
-                               tgStatements.add(objectId);
-                       } else {
-                               System.out.println("denied");
-                       }
-                       
-               }
-               
-               statements = tgStatements.toArray();
-
-               long statementDuration = System.nanoTime() - statementTime;
-               System.err.println("Built transferable statements in " + 1e-9*statementDuration + "s.");
-               
-               inverses = null;
-               
-               while(valueInput.available() > 0) {
-
-                       int s = valueInput.readInt();
-//                     Resource subject = support.getResource(s);
-                       int valueSize = valueInput.readInt();
-                       byte[] value = new byte[valueSize];
-                       valueInput.readFully(value);
-                       Variant variant = (Variant)Bindings.VARIANT.serializer().deserialize(value);
-                       values.put(s, variant);
-                       
-               }
-
-               int resourceCount = ids.size();
-
-               Identity[] identityArray;
-               { // Identities
-                       ArrayList<Identity> identities = new ArrayList<Identity>();
-
-                       for(Pair<Resource, String> r : configuration.roots) {
-                               Resource type = graph.getPossibleType(r.first, L0.Entity);
-                               if(type == null) type = L0.Entity;
-                               identities.add(new Identity(
-                                               ids.get(support.getTransientId(r.first)),
-                                               new Root(r.second, graph.getURI(type))
-                               ));
-                       }
-
-                       int internalsPlusExternals = ids.size();                
-                       for(int i = internalCount; i < internalsPlusExternals ; i++) {
-                               int parent = externalParents.get(i - internalCount);
-                               String name = externalNames.get(i - internalCount);
-                               identities.add(new Identity(
-                                               i, 
-                                               new External(parent, name)
-                               ));
-                       }
-                       identityArray = identities.toArray(new Identity[identities.size()]);
-               }       
-            
-            final Value[] valueArray = new Value[values.size()];
-               { // Values
-                       values.forEachEntry(new TIntObjectProcedure<Variant>() {
-
-                       int index = 0;
-
-                                       @Override
-                                       public boolean execute(int subject, Variant bytes) {
-                                       //if(LOG) log("[VALUE] " + entry.getKey().getResourceId());
-                                       int r = getInternalId(subject);
-                                       if(r==-1) System.err.println("No id for value resource " + subject);
-                                       else valueArray[index++] = new Value(r, bytes);
-                                       return true;
-                                       }
-                                       
-                               });
-               }
-            ids = null;
-               values = null;
-
-            TransferableGraph1 result = 
-                new TransferableGraph1(resourceCount, 
-                        identityArray, 
-                        statements, 
-                        valueArray, extensions);
-            
-               if(DEBUG) {
-                       System.out.println("transferable graph content: " + result);
-               }
-
-               long totalEnd = System.nanoTime();
-
-               if(PROFILE) {   
-                       System.out.println("startup in " + 1e-9*(startupTimeEnd - startupTime) + "s.");
-                       System.out.println("domain was found in " + 1e-9*(domainDuration) + "s.");
-                       System.out.println("statements were found in " + 1e-9*(statementDuration) + "s.");
-                       System.out.println("total time for building subgraph was " + 1e-9*(totalEnd-total) + "s.");
-               }
-
-               return result;
-
-        } catch (IOException e) {
-               e.printStackTrace();
-        } catch (Throwable t) {
-               t.printStackTrace();
-               dumpHeap("crash.hprof");
-        }
-               
-        return null;
-               
-       }
-
-       private static void dumpHeap(String path) {
-               
-        try {
-            Object bean = getBean();
-            if (bean == null)
-                return;
-
-            Method m = bean.getClass().getMethod("dumpHeap", String.class, boolean.class);
-            m.invoke(bean, path, true);
-            
-        } catch (IllegalArgumentException e) {
-        } catch (IllegalAccessException e) {
-        } catch (SecurityException e) {
-        } catch (NoSuchMethodException e) {
-        } catch (InvocationTargetException e) {
-               } finally {
-        }
-               
-       }
-       
-    private static Object getBean() {
-        Class<?> beanClass = getBeanClass();
-        if (beanClass == null)
-            return null;
-        try {
-            Object bean = ManagementFactory.newPlatformMXBeanProxy(
-                    ManagementFactory.getPlatformMBeanServer(),
-                    "com.sun.management:type=HotSpotDiagnostic",
-                    beanClass);
-            return bean;
-        } catch (IOException e) {
-            return null;
-        }
-    }
-    
-    private static Class<?> getBeanClass() {
-        try {
-            Class<?> clazz = Class.forName("com.sun.management.HotSpotDiagnosticMXBean");
-            return clazz;
-        } catch (ClassNotFoundException e) {
-            return null;
-        }
-    }
-    
-       
-}