]> gerrit.simantics Code Review - simantics/platform.git/blobdiff - bundles/org.simantics.db.impl/src/org/simantics/db/impl/query/AssertedStatements.java
QueryListening sync is slow
[simantics/platform.git] / bundles / org.simantics.db.impl / src / org / simantics / db / impl / query / AssertedStatements.java
index 2c5314b7955f1d9174c6935683021207756a6240..8649de32eeee907b1e551a4e681b165c1edd1768 100644 (file)
-/*******************************************************************************\r
- * Copyright (c) 2007, 2010 Association for Decentralized Information Management\r
- * in Industry THTH ry.\r
- * All rights reserved. This program and the accompanying materials\r
- * are made available under the terms of the Eclipse Public License v1.0\r
- * which accompanies this distribution, and is available at\r
- * http://www.eclipse.org/legal/epl-v10.html\r
- *\r
- * Contributors:\r
- *     VTT Technical Research Centre of Finland - initial API and implementation\r
- *******************************************************************************/\r
-package org.simantics.db.impl.query;\r
-\r
-import java.util.ArrayList;\r
-import java.util.concurrent.Semaphore;\r
-import java.util.concurrent.atomic.AtomicInteger;\r
-\r
-import org.simantics.db.RelationInfo;\r
-import org.simantics.db.exception.ManyObjectsForFunctionalRelationException;\r
-import org.simantics.db.impl.graph.ReadGraphImpl;\r
-import org.simantics.db.impl.procedure.InternalProcedure;\r
-import org.simantics.db.impl.procedure.TripleIntProcedureAdapter;\r
-import org.simantics.db.procedure.ListenerBase;\r
-import org.simantics.db.request.RequestFlags;\r
-\r
-\r
-final public class AssertedStatements extends CollectionBinaryQuery<TripleIntProcedure> {\r
-    \r
-//    public ArrayList<TripleIntProcedure> procs;\r
-    \r
-    public AssertedStatements(final int r1, final int r2) {\r
-        super(r1, r2);\r
-    }\r
-\r
-    public static AssertedStatements newInstance(final int r1, final int r2) {\r
-        return new AssertedStatements(r1, r2);\r
-    }\r
-    \r
-    final static AssertedStatements runner(ReadGraphImpl graph, final int r1, final int r2, final QueryProcessor provider, final AssertedStatements cached, final CacheEntry parent, final ListenerBase listener, final TripleIntProcedure procedure) {\r
-        \r
-        AssertedStatements entry = cached != null ? cached : (AssertedStatements)provider.assertedStatementsMap.get(id(r1,r2)); \r
-        if(entry == null) {\r
-               \r
-               entry = new AssertedStatements(r1, r2);\r
-               entry.setPending();\r
-               entry.clearResult(provider.querySupport);\r
-               entry.putEntry(provider);\r
-               \r
-            provider.performForEach(graph, entry, parent, listener, procedure);\r
-            \r
-            return entry;\r
-            \r
-        } else {\r
-               \r
-            if(entry.isPending()) {\r
-                synchronized(entry) {\r
-                    if(entry.isPending()) {\r
-                        throw new IllegalStateException();\r
-//                     if(entry.procs == null) entry.procs = new ArrayList<TripleIntProcedure>();\r
-//                        entry.procs.add(procedure);\r
-//                        provider.registerDependencies(graph, entry, parent, listener, procedure, false);\r
-//                        return entry;\r
-                    }\r
-                }\r
-            }\r
-            provider.performForEach(graph, entry, parent, listener, procedure);\r
-        }\r
-        \r
-        return entry;\r
-        \r
-    }\r
-    \r
-    final public static AssertedStatements queryEach(ReadGraphImpl graph, final int r1, final int r2, final QueryProcessor provider, final CacheEntry parent, final ListenerBase listener, final TripleIntProcedure procedure) {\r
-        \r
-        assert(r1 != 0);\r
-        assert(r2 != 0);\r
-        \r
-        final AssertedStatements entry = (AssertedStatements)provider.assertedStatementsMap.get(id(r1,r2));\r
-        \r
-        if(parent == null && !(listener != null)) {\r
-            if(entry != null && entry.isReady()) { \r
-                entry.performFromCache(graph, provider, procedure);\r
-                return entry;\r
-            }\r
-        }\r
-\r
-        return runner(graph, r1, r2, provider, entry, parent, listener, procedure);\r
-         \r
-    }\r
-\r
-    @Override\r
-    public BinaryQuery<TripleIntProcedure> getEntry(QueryProcessor provider) {\r
-        return provider.assertedStatementsMap.get(id);\r
-    }\r
-       \r
-       @Override\r
-       public void putEntry(QueryProcessor provider) {\r
-        provider.assertedStatementsMap.put(id, this);\r
-       }\r
-\r
-       @Override\r
-       final public void removeEntry(QueryProcessor provider) {\r
-           provider.assertedStatementsMap.remove(id);\r
-       }\r
-       \r
-       void computeInheritedAssertions(ReadGraphImpl graph, int type, final int predicate, final RelationInfo ri, final QueryProcessor queryProvider, final TripleIntProcedure proc) {\r
-           \r
-//        final AtomicBoolean found = new AtomicBoolean(0);\r
-\r
-           DirectObjects.queryEach(graph, type, queryProvider.getInherits(), queryProvider, this, null, new SyncIntProcedure() {\r
-\r
-            @Override\r
-            public void run(ReadGraphImpl graph) {\r
-\r
-//                if(ri.isFunctional && found.get() == 1) {\r
-//\r
-//                    ManyObjectsForFunctionalRelationException exception = new ManyObjectsForFunctionalRelationException("Functional relation has assertions from multiple inherited types.");\r
-//                    except(exception);\r
-//                    proc.exception(graph, exception);\r
-//                    return;\r
-//                    \r
-//                }\r
-\r
-                finish(graph, queryProvider);\r
-                proc.finished(graph);\r
-                \r
-            }\r
-\r
-            @Override\r
-            public void execute(ReadGraphImpl graph, int inh) {\r
-                \r
-//                if(ri.isFunctional && found.get() == 1) return;\r
-\r
-                inc();\r
-                \r
-                AssertedStatements.queryEach(graph, inh, predicate, queryProvider, AssertedStatements.this, null, new TripleIntProcedureAdapter() {\r
-\r
-                    @Override\r
-                    public void execute(ReadGraphImpl graph, int s, int p, int o) {\r
-\r
-//                        if(ri.isFunctional) {\r
-//                            \r
-////                            if(found.get() == 1) return;\r
-//\r
-//                            if(found.compareAndSet(0, o)) {\r
-                                if(addOrSet(s,p,o))\r
-                                       proc.execute(graph, s, p, o);\r
-//                            }\r
-//                            // If this was a duplicate, we can ignore this\r
-//                            else if (found.compareAndSet(o, o)) {\r
-//                                //System.err.println("duplicates!");\r
-//                            }\r
-//                            // Otherwise we have error\r
-//                            else {\r
-//                                found.set(1);\r
-//                            }\r
-//                            \r
-//                        } else {\r
-//                            \r
-//                            addOrSet(s, p, o);\r
-//                            proc.execute(graph, s, p, o);\r
-//                            \r
-//                        }\r
-                        \r
-                    }\r
-\r
-                    @Override\r
-                    public void finished(ReadGraphImpl graph) {\r
-                        dec(graph);\r
-                    }\r
-                               \r
-                               @Override\r
-                               public void exception(ReadGraphImpl graph, Throwable t) {\r
-                                       proc.exception(graph, t);\r
-                                       dec(graph);\r
-                    }\r
-                    \r
-                });\r
-                \r
-            }\r
-\r
-            @Override\r
-            public void finished(ReadGraphImpl graph) {\r
-                dec(graph);\r
-            }\r
-            \r
-        });\r
-\r
-       }\r
-\r
-    void computeLocalAssertions(ReadGraphImpl graph, final int type, final int predicate, final RelationInfo ri, final QueryProcessor queryProvider, final TripleIntProcedure proc) {\r
-        \r
-        final AtomicInteger found = new AtomicInteger(0);\r
-\r
-        DirectObjects.queryEach(graph, type, queryProvider.getAsserts(), queryProvider, this, null, new SyncIntProcedure() {\r
-\r
-            @Override\r
-            public void run(ReadGraphImpl graph) {\r
-                \r
-                if(ri.isFunctional && found.get() > 1) {\r
-\r
-                    ManyObjectsForFunctionalRelationException exception = new ManyObjectsForFunctionalRelationException("Functional relation has more than one asserted statement.");\r
-                    except(exception);\r
-                    proc.exception(graph, exception);\r
-                    return;\r
-                    \r
-                }\r
-\r
-                if(ri.isFunctional && found.get() == 1) {\r
-                                        \r
-                    finish(graph, queryProvider);\r
-                    proc.finished(graph);\r
-                    return;\r
-                    \r
-                }\r
-\r
-                computeInheritedAssertions(graph, type, predicate, ri, queryProvider, proc);\r
-                \r
-            }\r
-\r
-            @Override\r
-            public void execute(ReadGraphImpl graph, final int ass) {\r
-                \r
-                if(ri.isFunctional && found.get() > 1) return;\r
-                \r
-                inc();\r
-                \r
-                DirectObjects.queryEach(graph, ass, queryProvider.getHasPredicate(), queryProvider, AssertedStatements.this, null, new IntProcedure() {\r
-\r
-                    @Override\r
-                    public void execute(ReadGraphImpl graph, final int pred) {\r
-                        \r
-                        if(ri.isFunctional) {\r
-                            \r
-                            if(found.get() > 1) return;\r
-\r
-                            inc();\r
-\r
-                            DirectObjects.queryEach(graph, ass, queryProvider.getHasObject(), queryProvider, AssertedStatements.this, null, new IntProcedure() {\r
-\r
-                                @Override\r
-                                public void execute(ReadGraphImpl graph, final int object) {\r
-                                    \r
-                                    if(found.get() > 1) return;\r
-\r
-                                    if(pred == predicate) {\r
-\r
-                                       if(found.getAndIncrement() == 0) {\r
-                                               if(addOrSet(type, pred, object))\r
-                                                       proc.execute(graph, type, pred, object);\r
-                                       }\r
-                                       \r
-                                        return;\r
-                                        \r
-                                    }\r
-                                    \r
-                                    if ( !ri.isFinal ) {\r
-\r
-                                        inc();\r
-\r
-                                        SuperRelations.queryEach(graph, pred, queryProvider, AssertedStatements.this, null, new InternalProcedure<IntSet>() {\r
-                                            \r
-                                            @Override\r
-                                            public void execute(ReadGraphImpl graph, IntSet result) {\r
-                                                \r
-                                                if(found.get() > 1) {\r
-                                                    dec(graph);\r
-                                                    return;\r
-                                                }\r
-\r
-                                                if(result.contains(predicate)) {\r
-                    \r
-                                                    if(found.getAndIncrement() == 0) {\r
-                                                               if(addOrSet(type, pred, object))\r
-                                                                       proc.execute(graph, type, pred, object);\r
-                                                       }\r
-                                                    \r
-                                                }\r
-                                                \r
-                                                dec(graph);\r
-                                                \r
-                                            }\r
-                                                       \r
-                                                       @Override\r
-                                                       public void exception(ReadGraphImpl graph, Throwable t) {\r
-                                                           \r
-                                                               proc.exception(graph, t);\r
-                                                dec(graph);\r
-                                                               \r
-                                            }\r
-\r
-                                        });\r
-\r
-                                    }\r
-\r
-                                }\r
-                                \r
-                                @Override\r
-                                public void finished(ReadGraphImpl graph) {\r
-                                    dec(graph);\r
-                                }\r
-                                       \r
-                                       @Override\r
-                                       public void exception(ReadGraphImpl graph, Throwable t) {\r
-                                               proc.exception(graph, t);\r
-                                    dec(graph);\r
-                                }\r
-\r
-                            });\r
-                            \r
-                        } else {\r
-\r
-                            inc();\r
-\r
-                            DirectObjects.queryEach(graph, ass, queryProvider.getHasObject(), queryProvider, AssertedStatements.this, null, new IntProcedure() {\r
-\r
-                                @Override\r
-                                public void execute(ReadGraphImpl graph, final int object) {\r
-                                    \r
-                                    if(pred == predicate) {\r
-\r
-                                        addOrSet(type, pred, object);\r
-                                        proc.execute(graph, type, pred, object);\r
-                                        return;\r
-                                        \r
-                                    }\r
-                                    \r
-                                    if ( !ri.isFinal ) {\r
-\r
-                                        inc();\r
-\r
-                                        SuperRelations.queryEach(graph, pred, queryProvider, AssertedStatements.this, null, new InternalProcedure<IntSet>() {\r
-                                            \r
-                                            @Override\r
-                                            public void execute(ReadGraphImpl graph, IntSet result) {\r
-                                                \r
-                                                if(result.contains(predicate)) {\r
-                    \r
-                                                    addOrSet(type, pred, object);\r
-                                                    proc.execute(graph, type, pred, object);\r
-\r
-                                                }\r
-                                                \r
-                                                dec(graph);\r
-                                                \r
-                                            }\r
-                                                       \r
-                                                       @Override\r
-                                                       public void exception(ReadGraphImpl graph, Throwable t) {\r
-                                                               proc.exception(graph, t);\r
-                                                dec(graph);\r
-                                            }\r
\r
-                                        });\r
-\r
-                                    }\r
-\r
-                                }\r
-                                \r
-                                @Override\r
-                                public void finished(ReadGraphImpl graph) {\r
-                                    dec(graph);\r
-                                }\r
-                                       \r
-                                       @Override\r
-                                       public void exception(ReadGraphImpl graph, Throwable t) {\r
-                                               proc.exception(graph, t);\r
-                                    dec(graph);\r
-                                }\r
-\r
-                            });\r
-\r
-                        }\r
-\r
-                    }\r
-\r
-                    @Override\r
-                    public void finished(ReadGraphImpl graph) {\r
-                        dec(graph);\r
-                    }\r
-                               \r
-                               @Override\r
-                               public void exception(ReadGraphImpl graph, Throwable t) {\r
-                                       proc.exception(graph, t);\r
-                        dec(graph);\r
-                    }\r
-\r
-                });\r
-                \r
-            }\r
-\r
-            @Override\r
-            public void finished(ReadGraphImpl graph) {\r
-                dec(graph);\r
-            }\r
-            \r
-        });\r
-        \r
-    }\r
-\r
-       @Override\r
-    public void computeForEach(ReadGraphImpl graph, final QueryProcessor provider, final TripleIntProcedure procedure, boolean store) {\r
-        \r
-        RelationInfoQuery.queryEach(graph, r2(), provider, this, null, new InternalProcedure<RelationInfo>() {\r
-\r
-            @Override\r
-            public void execute(ReadGraphImpl graph, RelationInfo ri) {\r
-                \r
-                computeLocalAssertions(graph, r1(), r2(), ri, provider, procedure);\r
-                \r
-            }\r
-                       \r
-                       @Override\r
-                       public void exception(ReadGraphImpl graph, Throwable t) {\r
-                               procedure.exception(graph, t);\r
-            }\r
\r
-        });\r
-        \r
-    }\r
-    \r
-    @Override\r
-    public String toString() {\r
-       return "AssertedStatements2[" + r1() + " - " + r2() + "]";\r
-    }\r
-\r
-    private boolean addOrSet(int s, int p, int o) {\r
-        \r
-       assert(isPending());\r
-        \r
-        IntArray value = (IntArray)getResult();\r
-        if(value.data != null) {\r
-                       for(int i = 0;i < value.sizeOrData ; i+=3) {\r
-                               int existingP = value.data[i+1];\r
-                               if(p == existingP) {\r
-                                       int existingO = value.data[i+2];\r
-                                       if(existingO == o) return false;\r
-                               }\r
-                       }\r
-               value.add(s);\r
-               value.add(p);\r
-               value.add(o);\r
-        } else {\r
-               value.add(s);\r
-               value.add(p);\r
-               value.add(o);\r
-        }\r
-        \r
-        return true;\r
-        \r
-    }\r
-    \r
-    final private void finish(ReadGraphImpl graph, QueryProcessor provider) {\r
-        \r
-       assert(isPending());\r
-\r
-//        ArrayList<TripleIntProcedure> p = null;\r
-\r
-        synchronized(this) {\r
-               \r
-               setReady();\r
-//            p = procs;\r
-//            procs = null; \r
-        \r
-        }\r
-        \r
-//        if(p != null) {\r
-//             final IntArray value = (IntArray)getResult();\r
-//             for(TripleIntProcedure proc : p) {\r
-//                     for(int i=0;i<value.size();i+=3) {\r
-//                             proc.execute(graph, value.data[i], value.data[i+1], value.data[i+2]);\r
-//                     }\r
-//             }\r
-//\r
-//             for(TripleIntProcedure proc : p) proc.finished(graph);\r
-//        }\r
-\r
-    }\r
-\r
-    @Override\r
-    public void performFromCache(ReadGraphImpl graph, QueryProcessor provider, final TripleIntProcedure procedure) {\r
-        \r
-       assert(isReady());\r
-        \r
-       if(handleException(graph, procedure)) return;\r
-       \r
-        final IntArray value = (IntArray)getResult();\r
-        for(int i=0;i<value.size();i+=3) {\r
-               procedure.execute(graph, value.data[i], value.data[i+1], value.data[i+2]);\r
-        }\r
-\r
-        procedure.finished(graph);\r
-        \r
-    }\r
-    \r
-    @Override\r
-    public void recompute(ReadGraphImpl graph, QueryProcessor provider) {\r
-        \r
-        final Semaphore s = new Semaphore(0);\r
-\r
-        computeForEach(graph, provider, new TripleIntProcedureAdapter() {\r
-\r
-            @Override\r
-            public void finished(ReadGraphImpl graph) {\r
-                s.release();\r
-            }\r
-                       \r
-                       @Override\r
-                       public void exception(ReadGraphImpl graph, Throwable t) {\r
-                               throw new Error("Error in recompute", t);\r
-            }\r
-    \r
-        }, true);\r
-        \r
-        try {\r
-            s.acquire();\r
-        } catch (InterruptedException e) {\r
-            throw new Error(e);\r
-        }\r
-        \r
-    }\r
-    \r
-    @Override\r
-    public int type() {\r
-        return RequestFlags.IMMEDIATE_UPDATE;\r
-    }\r
-    \r
-\r
-    @Override\r
-    boolean isImmutable(ReadGraphImpl graph) {\r
-       return graph.processor.isImmutable(r1());\r
-    }\r
-    \r
-}\r
+/*******************************************************************************
+ * 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
+ * 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.impl.query;
+
+import java.util.concurrent.atomic.AtomicInteger;
+
+import org.simantics.db.RelationInfo;
+import org.simantics.db.exception.DatabaseException;
+import org.simantics.db.exception.ManyObjectsForFunctionalRelationException;
+import org.simantics.db.impl.graph.ReadGraphImpl;
+import org.simantics.db.impl.procedure.InternalProcedure;
+import org.simantics.db.impl.procedure.TripleIntProcedureAdapter;
+import org.simantics.db.request.RequestFlags;
+
+
+final public class AssertedStatements extends CollectionBinaryQuery<TripleIntProcedure> {
+    
+    public AssertedStatements(final int r1, final int r2) {
+        super(r1, r2);
+    }
+
+    public static AssertedStatements newInstance(final int r1, final int r2) {
+        return new AssertedStatements(r1, r2);
+    }
+
+       @Override
+       final public void removeEntry(QueryProcessor provider) {
+           provider.cache.remove(this);
+       }
+       
+       static void computeInheritedAssertions(ReadGraphImpl graph, int type, final int predicate, final RelationInfo ri, final AssertedStatements entry, final TripleIntProcedure proc) throws DatabaseException {
+           
+        QueryProcessor processor = graph.processor;
+
+        QueryCache.runnerDirectObjects(graph, type, processor.getInherits(), entry, null, new SyncIntProcedure() {
+
+            @Override
+            public void run(ReadGraphImpl graph) throws DatabaseException {
+
+//                if(ri.isFunctional && found.get() == 1) {
+//
+//                    ManyObjectsForFunctionalRelationException exception = new ManyObjectsForFunctionalRelationException("Functional relation has assertions from multiple inherited types.");
+//                    except(exception);
+//                    proc.exception(graph, exception);
+//                    return;
+//                    
+//                }
+
+                finish(graph, entry);
+                proc.finished(graph);
+                
+            }
+
+            @Override
+            public void execute(ReadGraphImpl graph, int inh) throws DatabaseException {
+                
+//                if(ri.isFunctional && found.get() == 1) return;
+
+                inc();
+                
+                QueryCache.runnerAssertedStatements(graph, inh, predicate, entry, null, new TripleIntProcedureAdapter() {
+
+                    @Override
+                    public void execute(ReadGraphImpl graph, int s, int p, int o) throws DatabaseException {
+
+//                        if(ri.isFunctional) {
+//                            
+////                            if(found.get() == 1) return;
+//
+//                            if(found.compareAndSet(0, o)) {
+                                if(addOrSet(s,p,o, entry))
+                                       proc.execute(graph, s, p, o);
+//                            }
+//                            // If this was a duplicate, we can ignore this
+//                            else if (found.compareAndSet(o, o)) {
+//                                //System.err.println("duplicates!");
+//                            }
+//                            // Otherwise we have error
+//                            else {
+//                                found.set(1);
+//                            }
+//                            
+//                        } else {
+//                            
+//                            addOrSet(s, p, o);
+//                            proc.execute(graph, s, p, o);
+//                            
+//                        }
+                        
+                    }
+
+                    @Override
+                    public void finished(ReadGraphImpl graph) throws DatabaseException {
+                        dec(graph);
+                    }
+                               
+                               @Override
+                               public void exception(ReadGraphImpl graph, Throwable t) throws DatabaseException {
+                                       proc.exception(graph, t);
+                                       dec(graph);
+                    }
+                    
+                });
+                
+            }
+
+            @Override
+            public void finished(ReadGraphImpl graph) throws DatabaseException {
+                dec(graph);
+            }
+            
+        });
+
+       }
+
+    static void computeLocalAssertions(ReadGraphImpl graph, final int type, final int predicate, final RelationInfo ri, final AssertedStatements entry, final TripleIntProcedure proc) throws DatabaseException {
+        
+        
+    }
+
+       //@Override
+       public Object compute(ReadGraphImpl graph, final TripleIntProcedure procedure) throws DatabaseException {
+               computeForEach(graph, r1(), r2(), this, procedure);
+               return getResult();
+       }
+
+    public static void computeForEach(ReadGraphImpl graph, final int type, final int predicate, final AssertedStatements entry, final TripleIntProcedure procedure) throws DatabaseException {
+
+       RelationInfo ri = QueryCache.resultRelationInfoQuery(graph, predicate, entry, null);
+       
+        final AtomicInteger found = new AtomicInteger(0);
+
+        QueryProcessor processor = graph.processor;
+        
+        QueryCache.runnerDirectObjects(graph, type, processor.getAsserts(), entry, null, new SyncIntProcedure() {
+
+            @Override
+            public void run(ReadGraphImpl graph) throws DatabaseException {
+                
+                if(ri.isFunctional && found.get() > 1) {
+
+                    ManyObjectsForFunctionalRelationException exception = new ManyObjectsForFunctionalRelationException("Functional relation has more than one asserted statement.");
+                    except(exception, entry);
+                    procedure.exception(graph, exception);
+                    return;
+                    
+                }
+
+                if(ri.isFunctional && found.get() == 1) {
+                                        
+                    finish(graph, entry);
+                    procedure.finished(graph);
+                    return;
+                    
+                }
+
+                computeInheritedAssertions(graph, type, predicate, ri, entry, procedure);
+                
+            }
+
+            @Override
+            public void execute(ReadGraphImpl graph, final int ass) throws DatabaseException {
+                
+                if(ri.isFunctional && found.get() > 1) return;
+                
+                inc();
+                
+                QueryCache.runnerDirectObjects(graph, ass, processor.getHasPredicate(), entry, null, new IntProcedure() {
+
+                    @Override
+                    public void execute(ReadGraphImpl graph, final int pred) throws DatabaseException {
+                        
+                        if(ri.isFunctional) {
+                            
+                            if(found.get() > 1) return;
+
+                            inc();
+
+                            QueryCache.runnerDirectObjects(graph, ass, processor.getHasObject(), entry, null, new IntProcedure() {
+
+                                @Override
+                                public void execute(ReadGraphImpl graph, final int object) throws DatabaseException {
+                                    
+                                    if(found.get() > 1) return;
+
+                                    if(pred == predicate) {
+
+                                       if(found.getAndIncrement() == 0) {
+                                               if(addOrSet(type, pred, object, entry))
+                                                       procedure.execute(graph, type, pred, object);
+                                       }
+                                       
+                                        return;
+                                        
+                                    }
+                                    
+                                    if ( !ri.isFinal ) {
+
+                                        inc();
+
+                                        QueryCache.runnerSuperRelations(graph, pred, entry, null, new InternalProcedure<IntSet>() {
+                                            
+                                            @Override
+                                            public void execute(ReadGraphImpl graph, IntSet result) throws DatabaseException {
+                                                
+                                                if(found.get() > 1) {
+                                                    dec(graph);
+                                                    return;
+                                                }
+
+                                                if(result.contains(predicate)) {
+                    
+                                                    if(found.getAndIncrement() == 0) {
+                                                               if(addOrSet(type, pred, object, entry))
+                                                                       procedure.execute(graph, type, pred, object);
+                                                       }
+                                                    
+                                                }
+                                                
+                                                dec(graph);
+                                                
+                                            }
+                                                       
+                                                       @Override
+                                                       public void exception(ReadGraphImpl graph, Throwable t) throws DatabaseException {
+                                                           
+                                                               procedure.exception(graph, t);
+                                                dec(graph);
+                                                               
+                                            }
+
+                                        });
+
+                                    }
+
+                                }
+                                
+                                @Override
+                                public void finished(ReadGraphImpl graph) throws DatabaseException {
+                                    dec(graph);
+                                }
+                                       
+                                       @Override
+                                       public void exception(ReadGraphImpl graph, Throwable t) throws DatabaseException {
+                                               procedure.exception(graph, t);
+                                    dec(graph);
+                                }
+
+                            });
+                            
+                        } else {
+
+                            inc();
+
+                            QueryCache.runnerDirectObjects(graph, ass, processor.getHasObject(), entry, null, new IntProcedure() {
+
+                                @Override
+                                public void execute(ReadGraphImpl graph, final int object) throws DatabaseException {
+                                    
+                                    if(pred == predicate) {
+
+                                        addOrSet(type, pred, object, entry);
+                                        procedure.execute(graph, type, pred, object);
+                                        return;
+                                        
+                                    }
+                                    
+                                    if ( !ri.isFinal ) {
+
+                                        inc();
+
+                                        QueryCache.runnerSuperRelations(graph, pred, entry, null, new InternalProcedure<IntSet>() {
+                                            
+                                            @Override
+                                            public void execute(ReadGraphImpl graph, IntSet result) throws DatabaseException {
+                                                
+                                                if(result.contains(predicate)) {
+                    
+                                                    addOrSet(type, pred, object, entry);
+                                                    procedure.execute(graph, type, pred, object);
+
+                                                }
+                                                
+                                                dec(graph);
+                                                
+                                            }
+                                                       
+                                                       @Override
+                                                       public void exception(ReadGraphImpl graph, Throwable t) throws DatabaseException {
+                                                               procedure.exception(graph, t);
+                                                dec(graph);
+                                            }
+                                        });
+
+                                    }
+
+                                }
+                                
+                                @Override
+                                public void finished(ReadGraphImpl graph) throws DatabaseException {
+                                    dec(graph);
+                                }
+                                       
+                                       @Override
+                                       public void exception(ReadGraphImpl graph, Throwable t) throws DatabaseException {
+                                               procedure.exception(graph, t);
+                                    dec(graph);
+                                }
+
+                            });
+
+                        }
+
+                    }
+
+                    @Override
+                    public void finished(ReadGraphImpl graph) throws DatabaseException {
+                        dec(graph);
+                    }
+                               
+                               @Override
+                               public void exception(ReadGraphImpl graph, Throwable t) throws DatabaseException {
+                                       procedure.exception(graph, t);
+                        dec(graph);
+                    }
+
+                });
+                
+            }
+
+            @Override
+            public void finished(ReadGraphImpl graph) throws DatabaseException {
+                dec(graph);
+            }
+            
+        });
+        
+    }
+    
+    @Override
+    public String toString() {
+       return "AssertedStatements[" + r1() + " - " + r2() + "]";
+    }
+
+    private boolean addOrSet(int s, int p, int o) {
+       
+       assert(isPending());
+        
+        IntArray value = (IntArray)getResult();
+        if(value.data != null) {
+                       for(int i = 0;i < value.sizeOrData ; i+=3) {
+                               int existingP = value.data[i+1];
+                               if(p == existingP) {
+                                       int existingO = value.data[i+2];
+                                       if(existingO == o) return false;
+                               }
+                       }
+               value.add(s);
+               value.add(p);
+               value.add(o);
+        } else {
+               value.add(s);
+               value.add(p);
+               value.add(o);
+        }
+        
+        return true;
+        
+    }
+    
+    static boolean addOrSet(int s, int p, int o, AssertedStatements entry) {
+       if(entry != null) {
+               return entry.addOrSet(s, p, o);
+       } else {
+               return true;
+       }
+    }
+    
+    static void finish(ReadGraphImpl graph, AssertedStatements entry) {
+        
+       assert(entry.isPending());
+       if(entry != null) {
+               synchronized(entry) {
+                       entry.setReady();
+               }
+       }
+
+    }
+    
+    static void except(Throwable t, AssertedStatements entry) {
+       if(entry != null) {
+               synchronized(entry) {
+                       entry.except(t);
+               }
+       }
+    }
+
+    @Override
+    public Object performFromCache(ReadGraphImpl graph, final TripleIntProcedure procedure) throws DatabaseException {
+        
+       assert(isReady());
+        
+       if(handleException(graph, procedure)) return getResult();
+       
+        final IntArray value = (IntArray)getResult();
+        for(int i=0;i<value.size();i+=3) {
+               procedure.execute(graph, value.data[i], value.data[i+1], value.data[i+2]);
+        }
+
+        procedure.finished(graph);
+        
+        return value;
+        
+    }
+    
+    @Override
+    public void recompute(ReadGraphImpl graph) throws DatabaseException {
+        
+        compute(graph, new TripleIntProcedureAdapter() {
+
+            @Override
+            public void finished(ReadGraphImpl graph) {
+            }
+                       
+                       @Override
+                       public void exception(ReadGraphImpl graph, Throwable t) {
+                               throw new Error("Error in recompute", t);
+            }
+    
+        });
+        
+    }
+    
+    @Override
+    public int type() {
+        return RequestFlags.IMMEDIATE_UPDATE;
+    }
+    
+
+    @Override
+    boolean isImmutable(ReadGraphImpl graph) {
+       return graph.processor.isImmutable(r1());
+    }
+    
+}