/*******************************************************************************
- * 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.databoard.Bindings;
-import org.simantics.db.DevelopmentKeys;
import org.simantics.db.RelationInfo;
import org.simantics.db.Resource;
import org.simantics.db.common.exception.DebugException;
import org.simantics.db.impl.procedure.IntProcedureAdapter;
import org.simantics.db.impl.procedure.InternalProcedure;
import org.simantics.db.procedure.AsyncMultiProcedure;
-import org.simantics.db.procedure.ListenerBase;
import org.simantics.db.request.RequestFlags;
-import org.simantics.utils.Development;
/*
* Size analysis:
*
*/
-final public class Objects extends CollectionBinaryQuery<IntProcedure> {
+public final class Objects extends CollectionBinaryQuery<IntProcedure> implements IntProcedure {
public Objects(final int r1, final int r2) {
super(r1, r2);
}
- final static Objects entry(final QueryProcessor provider, final int r1, final int r2) {
- return (Objects)provider.objectsMap.get(r1,r2);
- }
-
- final static Collection<Objects> entries(final QueryProcessor processor, final int r1) {
- return processor.objectsMap.values(r1);
- }
-
- public final static void runner(ReadGraphImpl graph, final int r1, final int r2, CacheEntry parent, ListenerBase listener, final IntProcedure procedure) {
-
- if(parent == null && listener == null) {
- Objects.computeForEach(graph, r1, r2, null, procedure);
- return;
- }
-
- QueryProcessor processor = graph.processor;
-
- Objects entry = (Objects)processor.objectsMap.get(r1,r2);
- if(entry == null) {
-
- entry = new Objects(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);
- computeForEach(graph, r1, r2, null, procedure);
- return;
- }
- }
- }
-
- processor.performForEach(graph, entry, parent, listener, procedure);
-
- }
-
- }
-
- static class Runner2Procedure implements IntProcedure {
-
- public int single = 0;
- public Throwable t = null;
-
- public void clear() {
- single = 0;
- t = null;
- }
-
- @Override
- public void execute(ReadGraphImpl graph, int i) {
- if(single == 0) single = i;
- else single = -1;
- }
-
- @Override
- public void finished(ReadGraphImpl graph) {
- if(single == -1) single = 0;
- }
-
- @Override
- public void exception(ReadGraphImpl graph, Throwable throwable) {
- single = 0;
- this.t = throwable;
- }
-
- public int get() throws DatabaseException {
- if(t != null) {
- if(t instanceof DatabaseException) throw (DatabaseException)t;
- else throw new DatabaseException(t);
- }
- return single;
- }
-
- }
-
- static final Runner2Procedure runner2Procedure = new Runner2Procedure();
-
- public final static int runner2(ReadGraphImpl graph, final int r1, final int r2, CacheEntry parent) throws DatabaseException {
-
- runner2Procedure.clear();
-
- if(parent == null) {
- Objects.computeForEach(graph, r1, r2, null, runner2Procedure);
- return runner2Procedure.get();
- }
-
- QueryProcessor processor = graph.processor;
-
- Objects entry = (Objects)processor.objectsMap.get(r1,r2);
- if(entry == null) {
-
- entry = new Objects(r1, r2);
- entry.setPending();
- entry.clearResult(processor.querySupport);
- entry.putEntry(processor);
-
- processor.performForEach(graph, entry, parent, null, runner2Procedure);
- return runner2Procedure.get();
-
- } else {
-
- if(entry.isPending()) throw new IllegalStateException();
-
- processor.performForEach(graph, entry, parent, null, runner2Procedure);
- return runner2Procedure.get();
-
- }
-
- }
-
- @Override
- public BinaryQuery<IntProcedure> getEntry(QueryProcessor provider) {
- return provider.objectsMap.get(id);
- }
-
- @Override
- public void putEntry(QueryProcessor provider) {
- if(Development.DEVELOPMENT) {
- if(Development.<Boolean>getProperty(DevelopmentKeys.QUERYPROCESSOR_PUT, Bindings.BOOLEAN)) {
- System.err.println("put " + this);
- }
- }
- provider.objectsMap.put(id, this);
- }
-
@Override
final public void removeEntry(QueryProcessor provider) {
- provider.objectsMap.remove(id);
+ provider.cache.remove(this);
}
- final static private IntArray getAssertionMap(ReadGraphImpl graph, final int r1, final int r2, final Objects entry) {
+ final static private IntArray getAssertionMap(ReadGraphImpl graph, final int r1, final int r2, final Objects entry) throws DatabaseException {
class AssertionMapProc implements IntProcedure {
}
@Override
- public void execute(ReadGraphImpl graph, int type) {
- AssertedStatements stms = AssertedStatements.queryEach(graph, type, r2, graph.processor, entry, null, NOPT);
+ public void execute(ReadGraphImpl graph, int type) throws DatabaseException {
if(result == null) {
- result = stms.getResult();
+ result = QueryCacheBase.resultAssertedStatements(graph, type, r2, entry, null);
} else {
if (first) {
IntArray ia = result;
}
first = false;
}
- IntArray ia = stms.getResult();
+ IntArray ia = QueryCacheBase.resultAssertedStatements(graph, type, r2, entry, null);
if(ia.data != null) {
for(int i = 0;i < ia.sizeOrData ; i+=3) addStatement(ia.data[i],ia.data[i+1],ia.data[i+2]);
}
AssertionMapProc amp = new AssertionMapProc();
// This dependency could be cut
- PrincipalTypes.queryEach(graph, r1, graph.processor, entry, null, amp);
+ QueryCache.runnerPrincipalTypes(graph, r1, entry, null, amp);
return amp.result;
}
- final static private void forSingleAssertion(ReadGraphImpl graph, final int r1, final int r2, final Objects entry, final IntProcedure procedure) {
+ final static private void forSingleAssertion(ReadGraphImpl graph, final int r1, final int r2, final Objects parent, final IntProcedure procedure) throws DatabaseException {
- IntArray map = getAssertionMap(graph, r1, r2, entry);
+ IntArray map = getAssertionMap(graph, r1, r2, parent);
if(map == null) {
- if(entry != null) entry.finish(graph, procedure);
- else procedure.finished(graph);
+ procedure.finished(graph);
return;
}
int size = map.size();
if(size == 3) {
-
- int value = map.data[2];
-
- if(entry != null) {
- entry.addOrSetFunctional(value);
- entry.finish(graph, procedure);
- } else {
- procedure.execute(graph, value);
- procedure.finished(graph);
- }
-
+ int value = map.data[2];
+ procedure.execute(graph, value);
+ procedure.finished(graph);
} else if(size == 0) {
-
- if(entry != null) entry.finish(graph, procedure);
- else procedure.finished(graph);
-
+ procedure.finished(graph);
} else {
int candidateS = map.data[0];
int candidateO = map.data[2];
- SuperTypes candidate = SuperTypes.queryEach(graph, candidateS, graph.processor, entry, null, NOP);
- if(candidate.isExcepted()) {
- if(entry != null) entry.except((Throwable)candidate.getResult());
- procedure.exception(graph, (Throwable)candidate.getResult());
+ IntSet candidateIs = null;
+ try {
+ candidateIs = QueryCache.resultSuperTypes(graph, candidateS, parent, null);
+ } catch (DatabaseException e) {
+ procedure.exception(graph, e);
return;
}
- IntSet candidateIs = candidate.getResult();
for(int i=3;i<map.size();i+=3) {
} else {
- SuperTypes next = SuperTypes.queryEach(graph, nextS, graph.processor, entry, null, NOP);
- if(next.isExcepted()) {
- if(entry != null) entry.except((Throwable)next.getResult());
- procedure.exception(graph, (Throwable)next.getResult());
+ IntSet nextIs = null;
+ try {
+ nextIs = QueryCache.resultSuperTypes(graph, nextS, parent, null);
+ } catch (DatabaseException e) {
+ procedure.exception(graph, e);
return;
}
- IntSet nextIs = next.getResult();
if(nextIs.contains(candidateS)) {
// candidate and next are unrelated => error
ManyObjectsForFunctionalRelationException exception = new ManyObjectsForFunctionalRelationException("Functional relation has conflicting assertions " + r1 + ", " + r2 + " " + map , r1);
-
- if(entry != null) entry.except(exception);
procedure.exception(graph, exception);
return;
}
- if(entry != null) {
- entry.addOrSetFunctional(candidateO);
- entry.finish(graph, procedure);
- } else {
- procedure.execute(graph, candidateO);
- procedure.finished(graph);
- }
+ procedure.execute(graph, candidateO);
+ procedure.finished(graph);
}
};
// Search for one statement
- final public void computeFunctionalIndex(ReadGraphImpl graph, final QueryProcessor provider, final RelationInfo ri, final IntProcedure procedure) {
+ final public void computeFunctionalIndex(ReadGraphImpl graph, final QueryProcessor provider, final RelationInfo ri, final IntProcedure procedure) throws DatabaseException {
computeFunctionalIndex(graph, r1(), r2(), this, ri, procedure);
}
// Search for one statement
- final static public void computeFunctionalIndex(ReadGraphImpl graph, final int r1, final int r2, final Objects entry, final RelationInfo ri, final IntProcedure procedure) {
+ final static public void computeFunctionalIndex(ReadGraphImpl graph, final int r1, final int r2, final Objects parent, final RelationInfo ri, final IntProcedure procedure) throws DatabaseException {
if(ri.isFinal) {
if(result == 0) {
// Check for assertions
- forSingleAssertion(graph, r1, r2, entry, procedure);
+ forSingleAssertion(graph, r1, r2, parent, procedure);
} else if (result == -1) {
graph.processor.querySupport.getObjects(graph, r1, r2, new IntProcedure() {
@Override
- public void execute(ReadGraphImpl graph, int i) {
- if(entry != null) entry.addOrSetFunctional(i);
- else procedure.execute(graph, i);
+ public void execute(ReadGraphImpl graph, int i) throws DatabaseException {
+ procedure.execute(graph, i);
}
@Override
});
// Check for assertions
- forSingleAssertion(graph, r1, r2, entry, procedure);
+ forSingleAssertion(graph, r1, r2, parent, procedure);
} else {
// If functional relation was found there is no need to check assertions
- if(entry != null) {
- entry.addOrSetFunctional(result);
- entry.finish(graph, procedure);
- } else {
- procedure.execute(graph, result);
- procedure.finished(graph);
- }
+ procedure.execute(graph, result);
+ procedure.finished(graph);
}
} else {
// Note! The dependency is intentionally cut!
- DirectPredicates.queryEach(graph, r1, graph.processor, null, null, new SyncIntProcedure() {
+ IntSet direct = QueryCache.resultDirectPredicates(graph, r1, null, null);
+ direct.forEach(graph, new SyncIntProcedure() {
boolean found = false;
@Override
- public void run(ReadGraphImpl graph) {
+ public void run(ReadGraphImpl graph) throws DatabaseException {
if(found) {
- if(entry != null) entry.finish(graph, procedure);
- else procedure.finished(graph);
+ procedure.finished(graph);
} else {
// Check for assertions
- forSingleAssertion(graph, r1, r2, entry, procedure);
+ forSingleAssertion(graph, r1, r2, parent, procedure);
}
}
@Override
- public void execute(ReadGraphImpl graph, final int pred) {
+ public void execute(ReadGraphImpl graph, final int pred) throws DatabaseException {
if(found) return;
if(pred == r2) {
// Note! The dependency is intentionally cut!
- DirectObjects.queryEach(graph, r1, pred, graph.processor, null, null, new IntProcedure() {
+ QueryCache.runnerDirectObjects(graph, r1, pred, null, null, new IntProcedure() {
@Override
- public void execute(ReadGraphImpl graph, int i) {
+ public void execute(ReadGraphImpl graph, int i) throws DatabaseException {
if(!found) {
- if(entry != null) entry.addOrSetFunctional(i);
- else procedure.execute(graph, i);
-
+ procedure.execute(graph, i);
found = true;
} else {
ManyObjectsForFunctionalRelationException exception = new ManyObjectsForFunctionalRelationException("Functional relation has more than one statement (r1=" + r1 + ", r2=" + r2 + ").", r1);
- if(entry != null) entry.except(exception);
procedure.exception(graph, exception);
}
}
@Override
- public void exception(ReadGraphImpl graph, Throwable t) {
+ public void exception(ReadGraphImpl graph, Throwable t) throws DatabaseException {
procedure.exception(graph, t);
}
} else {
- SuperRelations.queryEach(graph, pred, graph.processor, entry, null, new InternalProcedure<IntSet>() {
+ QueryCache.runnerSuperRelations(graph, pred, parent, null, new InternalProcedure<IntSet>() {
@Override
- public void execute(ReadGraphImpl graph, IntSet result) {
+ public void execute(ReadGraphImpl graph, IntSet result) throws DatabaseException {
if(found) return;
if(result.contains(r2)) {
// Note! The dependency is intentionally cut!
- DirectObjects.queryEach(graph, r1, pred, graph.processor, null, null, new IntProcedure() {
+ QueryCache.runnerDirectObjects(graph, r1, pred, null, null, new IntProcedure() {
@Override
- public void execute(ReadGraphImpl graph, int i) {
+ public void execute(ReadGraphImpl graph, int i) throws DatabaseException {
if(!found) {
- if(entry != null) entry.addOrSetFunctional(i);
- else procedure.execute(graph, i);
-
+ procedure.execute(graph, i);
found = true;
} else {
ManyObjectsForFunctionalRelationException exception = new ManyObjectsForFunctionalRelationException("Functional relation has more than one statement (r1=" + r1 + ", r2=" + r2 + ").", r1);
- if(entry != null) entry.except(exception);
procedure.exception(graph, exception);
}
}
@Override
- public void exception(ReadGraphImpl graph, Throwable t) {
+ public void exception(ReadGraphImpl graph, Throwable t) throws DatabaseException {
procedure.exception(graph, t);
}
}
@Override
- public void exception(ReadGraphImpl graph, Throwable t) {
+ public void exception(ReadGraphImpl graph, Throwable t) throws DatabaseException {
procedure.exception(graph, t);
}
}
@Override
- public void finished(ReadGraphImpl graph) {
+ public void finished(ReadGraphImpl graph) throws DatabaseException {
dec(graph);
}
- final static private void forAssertions(ReadGraphImpl graph, final int r1, final int r2, final Objects entry, final IntProcedure procedure) {
+ final static private void forAssertions(ReadGraphImpl graph, final int r1, final int r2, final Objects parent, final IntProcedure procedure) throws DatabaseException {
// Note! The dependency is intentionally cut!
- PrincipalTypes.queryEach(graph, r1, graph.processor, null, null, new SyncIntProcedure() {
+ QueryCache.runnerPrincipalTypes(graph, r1, null, null, new SyncIntProcedure() {
@Override
- public void run(ReadGraphImpl graph) {
-
- if(entry != null) entry.finish(graph, procedure);
- else procedure.finished(graph);
-
+ public void run(ReadGraphImpl graph) throws DatabaseException {
+ procedure.finished(graph);
}
TripleIntProcedure proc = new TripleIntProcedure() {
@Override
- public void execute(ReadGraphImpl graph, int s, int p, int o) {
- if(entry != null) entry.addOrSet(o);
- else procedure.execute(graph, o);
+ public void execute(ReadGraphImpl graph, int s, int p, int o) throws DatabaseException {
+ procedure.execute(graph, o);
}
@Override
- public void finished(ReadGraphImpl graph) {
+ public void finished(ReadGraphImpl graph) throws DatabaseException {
dec(graph);
}
@Override
- public void exception(ReadGraphImpl graph, Throwable t) {
+ public void exception(ReadGraphImpl graph, Throwable t) throws DatabaseException {
if(DebugException.DEBUG) new DebugException(t).printStackTrace();
procedure.exception(graph, t);
dec(graph);
};
@Override
- public void execute(ReadGraphImpl graph, int type) {
+ public void execute(ReadGraphImpl graph, int type) throws DatabaseException {
inc();
-
- AssertedStatements.queryEach(graph, type, r2, graph.processor, entry, null, proc);
+ QueryCache.runnerAssertedStatements(graph, type, r2, parent, null, proc);
}
@Override
- public void finished(ReadGraphImpl graph) {
+ public void finished(ReadGraphImpl graph) throws DatabaseException {
dec(graph);
}
}
final public static void computeNotFunctionalFinalIndex(ReadGraphImpl graph, final int r1, final int r2, final QueryProcessor provider, RelationInfo ri, AsyncMultiProcedure<Resource> procedure) {
-
throw new Error();
-
}
- final public void computeNotFunctionalIndex(ReadGraphImpl graph, RelationInfo ri, final IntProcedure procedure) {
+ final public void computeNotFunctionalIndex(ReadGraphImpl graph, RelationInfo ri, final IntProcedure procedure) throws DatabaseException {
computeNotFunctionalIndex(graph, r1(), r2(), this, ri, procedure);
}
- final static public void computeNotFunctionalIndex(ReadGraphImpl graph, final int r1, final int r2, final Objects entry, RelationInfo ri, final IntProcedure procedure) {
+ final static public void computeNotFunctionalIndex(ReadGraphImpl graph, final int r1, final int r2, final Objects parent, RelationInfo ri, final IntProcedure procedure) throws DatabaseException {
if(ri.isFinal) {
graph.processor.querySupport.getObjects(graph, r1, r2, new IntProcedure() {
@Override
- public void execute(ReadGraphImpl graph, int i) {
- if(entry != null) entry.addOrSet(i);
- else procedure.execute(graph, i);
+ public void execute(ReadGraphImpl graph, int i) throws DatabaseException {
+ procedure.execute(graph, i);
}
@Override
- public void exception(ReadGraphImpl graph, Throwable t) {
+ public void exception(ReadGraphImpl graph, Throwable t) throws DatabaseException {
if(DebugException.DEBUG) new DebugException(t).printStackTrace();
procedure.exception(graph, t);
}
});
if(ri.isAsserted) {
- forAssertions(graph, r1, r2, entry, procedure);
+ forAssertions(graph, r1, r2, parent, procedure);
} else {
- if(entry != null) entry.finish(graph, procedure);
- else procedure.finished(graph);
+ procedure.finished(graph);
}
} else {
// Note! The dependency is intentionally cut!
- DirectPredicates.queryEach(graph, r1, graph.processor, null, null, new SyncIntProcedure() {
+ IntSet direct = QueryCache.resultDirectPredicates(graph, r1, null, null);
+ direct.forEach(graph, new SyncIntProcedure() {
@Override
- public void run(ReadGraphImpl graph) {
-
- forAssertions(graph, r1, r2, entry, procedure);
-
+ public void run(ReadGraphImpl graph) throws DatabaseException {
+ forAssertions(graph, r1, r2, parent, procedure);
}
@Override
- public void execute(ReadGraphImpl graph, final int pred) {
+ public void execute(ReadGraphImpl graph, final int pred) throws DatabaseException {
if(pred == r2) {
inc();
// Note! The dependency is intentionally cut!
- DirectObjects.queryEach(graph, r1, pred, graph.processor, null, null, new IntProcedure() {
+ QueryCache.runnerDirectObjects(graph, r1, pred, null, null, new IntProcedure() {
@Override
- public void execute(ReadGraphImpl graph, int i) {
- if(entry != null) entry.addOrSet(i);
- else procedure.execute(graph, i);
+ public void execute(ReadGraphImpl graph, int i) throws DatabaseException {
+ procedure.execute(graph, i);
}
@Override
- public void finished(ReadGraphImpl graph) {
+ public void finished(ReadGraphImpl graph) throws DatabaseException {
dec(graph);
}
@Override
- public void exception(ReadGraphImpl graph, Throwable t) {
+ public void exception(ReadGraphImpl graph, Throwable t) throws DatabaseException {
procedure.exception(graph, t);
dec(graph);
}
inc();
- SuperRelations.queryEach(graph, pred, graph.processor, entry, null, new InternalProcedure<IntSet>() {
+ QueryCache.runnerSuperRelations(graph, pred, parent, null, new InternalProcedure<IntSet>() {
@Override
- public void execute(ReadGraphImpl graph, IntSet result) {
+ public void execute(ReadGraphImpl graph, IntSet result) throws DatabaseException {
if(result.contains(r2)) {
inc();
// Note! The dependency is intentionally cut!
- DirectObjects.queryEach(graph, r1, pred, graph.processor, null, null, new IntProcedure() {
+ QueryCache.runnerDirectObjects(graph, r1, pred, null, null, new IntProcedure() {
@Override
- public void execute(ReadGraphImpl graph, int i) {
- if(entry != null) entry.addOrSet(i);
- else procedure.execute(graph, i);
+ public void execute(ReadGraphImpl graph, int i) throws DatabaseException {
+ procedure.execute(graph, i);
}
@Override
- public void finished(ReadGraphImpl graph) {
+ public void finished(ReadGraphImpl graph) throws DatabaseException {
dec(graph);
}
@Override
- public void exception(ReadGraphImpl graph, Throwable t) {
+ public void exception(ReadGraphImpl graph, Throwable t) throws DatabaseException {
if(DebugException.DEBUG) new DebugException(t).printStackTrace();
procedure.exception(graph, t);
dec(graph);
}
@Override
- public void exception(ReadGraphImpl graph, Throwable t) {
+ public void exception(ReadGraphImpl graph, Throwable t) throws DatabaseException {
procedure.exception(graph, t);
dec(graph);
}
}
@Override
- public void finished(ReadGraphImpl graph) {
+ public void finished(ReadGraphImpl graph) throws DatabaseException {
dec(graph);
}
}
- @Override
- public void computeForEach(ReadGraphImpl graph, final QueryProcessor provider, final IntProcedure procedure, final boolean store) {
+ public Object compute(ReadGraphImpl graph, final IntProcedure procedure) throws DatabaseException {
computeForEach(graph, r1(), r2(), this, procedure);
+ return getResult();
}
- public static void computeForEach(ReadGraphImpl graph, final int r1, final int r2, final Objects entry, final IntProcedure procedure) {
+ public static void computeForEach(ReadGraphImpl graph, final int r1, final int r2, final Objects entry, final IntProcedure procedure_) throws DatabaseException {
- RelationInfo ri = RelationInfoQuery.queryEach(graph, r2, graph.processor, entry, null, ip);
- graph.ensureLoaded(r1, r2);
- if(ri.isFunctional) {
- computeFunctionalIndex(graph, r1, r2, entry, ri, procedure);
- } else {
- computeNotFunctionalIndex(graph, r1, r2, entry, ri, procedure);
- }
+ IntProcedure procedure = entry != null ? entry : procedure_;
+
+ RelationInfo ri = QueryCache.resultRelationInfoQuery(graph, r2, entry, null);
+ graph.ensureLoaded(r1, r2);
+ if(ri.isFunctional) {
+ computeFunctionalIndex(graph, r1, r2, entry, ri, procedure);
+ } else {
+ computeNotFunctionalIndex(graph, r1, r2, entry, ri, procedure);
+ }
+
+ if(entry != null) entry.performFromCache(graph, procedure_);
}
- final static InternalProcedure<RelationInfo> ip = new InternalProcedure<RelationInfo>() {
-
- @Override
- public void execute(ReadGraphImpl graph, RelationInfo result) {
- }
-
- @Override
- public void exception(ReadGraphImpl graph, Throwable throwable) {
- }
-
- };
-
@Override
public String toString() {
return "Objects[" + r1() + " - " + r2() + "]";
}
- final private void finish(ReadGraphImpl graph, IntProcedure procedure) {
-
- assert(assertPending());
-
- synchronized(this) {
- setReady();
- }
-
- IntArray v = (IntArray)getResult();
-
- if(v.data == null) {
- if(v.sizeOrData != IntArray.NO_DATA) {
- procedure.execute(graph, v.sizeOrData);
- }
- } else {
- for(int i = 0;i < v.sizeOrData ; i++) {
- procedure.execute(graph, v.data[i]);
- }
- }
-
- procedure.finished(graph);
-
- }
-
- final public void addOrSet(int add) {
-
- assert(assertPending());
-
- IntArray value = (IntArray)getResult();
- synchronized(value) {
- value.add(add);
- }
-
- }
-
- final public void addOrSetFunctional(int add) {
-
- assert(isPending());
-
- IntArray value = (IntArray)getResult();
- value.add(add);
-
- }
-
@Override
- public void performFromCache(ReadGraphImpl graph, QueryProcessor provider, final IntProcedure procedure) {
+ public Object performFromCache(ReadGraphImpl graph, final IntProcedure procedure) throws DatabaseException {
assert(isReady());
- if(handleException(graph, procedure)) return;
+ if(handleException(graph, procedure)) return getResult();
final IntArray value = (IntArray)getResult();
if(value.data == null) {
}
procedure.finished(graph);
+
+ return value;
}
@Override
- public void recompute(ReadGraphImpl graph, QueryProcessor provider) {
-
- final Semaphore s = new Semaphore(0);
+ public void recompute(ReadGraphImpl graph) throws DatabaseException {
- computeForEach(graph, provider, new IntProcedureAdapter() {
+ compute(graph, new IntProcedureAdapter() {
@Override
public void finished(ReadGraphImpl graph) {
- s.release();
}
@Override
public void exception(ReadGraphImpl graph, Throwable t) {
- s.release();
new Error("Error in recompute.", t).printStackTrace();
}
- }, true);
-
- while(!s.tryAcquire()) {
- provider.resume(graph);
- }
+ });
}
return graph.processor.isImmutable(r1());
}
+ @Override
+ public void execute(ReadGraphImpl graph, int i) throws DatabaseException {
+ IntArray value = (IntArray)getResult();
+ synchronized(value) {
+ value.add(i);
+ }
+ }
+
+ @Override
+ public void finished(ReadGraphImpl graph) throws DatabaseException {
+ setReady();
+ }
+
+ @Override
+ public void exception(ReadGraphImpl graph, Throwable throwable) throws DatabaseException {
+ except(throwable);
+ }
+
}