*******************************************************************************/
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> {
- private DirectObjects(final int r1, final int r2) {
+ DirectObjects(final int r1, final int r2) {
super(r1, r2);
}
return RequestFlags.INVALIDATE;
}
- @Override
- public void clearResult(QuerySupport support) {
- setResult(INVALID_RESULT);
- }
-
- final static DirectObjects entry(final QueryProcessor provider, final int r1, final int r2) {
-
- return (DirectObjects)provider.cache.directObjectsMap.get(id(r1,r2));
-
- }
-
- final static Collection<DirectObjects> entries(final QueryProcessor processor, final int r1) {
- DoubleKeyQueryHashMap<IntProcedure> hash = processor.cache.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.cache.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) {
-
- 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 BinaryQuery<IntProcedure> getEntry(QueryProcessor provider) {
- return provider.cache.directObjectsMap.get(id);
- }
-
- @Override
- public void putEntry(QueryProcessor provider) {
- provider.cache.directObjectsMap.put(id, this);
- }
+// @Override
+// public void clearResult(QuerySupport support) {
+// setResult(INVALID_RESULT);
+// }
+
+// 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) throws DatabaseException {
+//
+// assert(r1 != 0);
+// assert(r2 != 0);
+//
+// if(parent == null && listener == null) {
+// DirectObjects.computeForEach(graph, r1, r2, null, procedure);
+// } else {
+// QueryCache.runnerDirectObjects(graph, r1, r2, parent, listener, procedure);
+// }
+//
+// }
@Override
final public void removeEntry(QueryProcessor provider) {
- provider.cache.directObjectsMap.remove(id);
+ provider.cache.remove(this);
}
@Override
- public void computeForEach(ReadGraphImpl graph, final QueryProcessor queryProvider, final IntProcedure procedure, final boolean store) {
+ public Object compute(ReadGraphImpl graph, final IntProcedure procedure) throws DatabaseException {
computeForEach(graph, r1(), r2(), this, procedure);
+ return getResult();
}
- static public void computeForEach(ReadGraphImpl graph, int r1, int r2, final DirectObjects entry, final IntProcedure procedure) {
+ static public void computeForEach(ReadGraphImpl graph, int r1, int r2, final DirectObjects entry, final IntProcedure procedure) throws DatabaseException {
QueryProcessor processor = graph.processor;
processor.querySupport.getObjects(graph, r1, r2, new IntProcedure() {
@Override
- public void execute(ReadGraphImpl graph, int i) {
+ public void execute(ReadGraphImpl graph, int i) throws DatabaseException {
procedure.execute(graph, i);
+ if(entry != null) entry.add(i);
}
@Override
statusOrException = READY;
}
+ final public void add(int add) {
+
+ assert(isPending());
+
+ IntArray value = (IntArray)getResult();
+ value.add(add);
+
+ }
+
final private void finish(ReadGraphImpl graph, QueryProcessor provider) {
setReady();
}
@Override
- public Object performFromCache(ReadGraphImpl graph, QueryProcessor provider, IntProcedure procedure) {
+ public Object performFromCache(ReadGraphImpl graph, IntProcedure procedure) throws DatabaseException {
assert(isReady());
- computeForEach(graph, provider, procedure, false);
- return null;
+
+ 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]);
+ }
+
+ 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 IntProcedure() {
+ compute(graph, new IntProcedure() {
@Override
public void finished(ReadGraphImpl graph) {
- s.release();
}
@Override
public void execute(ReadGraphImpl graphd, int i) {
}
- }, true);
-
- while(!s.tryAcquire()) {
- provider.resume(graph);
- }
+ });
}