*******************************************************************************/
package org.simantics.db.impl.query;
-import gnu.trove.procedure.TIntProcedure;
-
-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.impl.procedure.InternalProcedure;
import org.simantics.db.request.RequestFlags;
-final public class Predicates extends UnaryQuery<IntProcedure> {
-
-// public ArrayList<IntProcedure> procs;
-
- public Predicates(final int r) {
- super(r);
- }
-
- public static Predicates newInstance(final int r) {
- return new Predicates(r);
- }
-
- final static Predicates entry(final QueryProcessor provider, final int r) {
-
- return (Predicates)provider.predicatesMap.get(r);
-
- }
-
- final static void runner(ReadGraphImpl graph, final int r, final QueryProcessor provider, Predicates cached, final CacheEntry parent, final ListenerBase listener, final IntProcedure procedure) {
-
- Predicates entry = cached != null ? cached : (Predicates)provider.predicatesMap.get(r);
- if(entry == null) {
-
- entry = new Predicates(r);
- entry.setPending();
- entry.clearResult(provider.querySupport);
- entry.putEntry(provider);
-
- provider.performForEach(graph, entry, parent, listener, procedure);
-
- } else {
-
- if(entry.isPending()) {
- synchronized(entry) {
- if(entry.isPending()) {
- throw new IllegalStateException();
- }
- }
- }
- provider.performForEach(graph, entry, parent, listener, procedure);
- }
-
- }
-
- final static IntSet runner2(ReadGraphImpl graph, final int r, final QueryProcessor provider, final CacheEntry parent) throws Throwable {
-
- Predicates entry = (Predicates)provider.predicatesMap.get(r);
- if(entry == null) {
-
- entry = new Predicates(r);
- entry.setPending();
- entry.clearResult(provider.querySupport);
- entry.putEntry(provider);
-
- return (IntSet)provider.performForEach2(graph, entry, parent, null, null);
-
- } else {
-
- if(entry.isPending()) {
- synchronized(entry) {
- if(entry.isPending()) {
- throw new IllegalStateException();
- }
- }
- }
- return (IntSet)provider.performForEach(graph, entry, parent, null, null);
-
- }
-
- }
-
- final public static void queryEach(ReadGraphImpl graph, final int r, final QueryProcessor provider, final CacheEntry parent, final ListenerBase listener, final IntProcedure procedure) {
-
- assert(r != 0);
-
- final Predicates entry = (Predicates)provider.predicatesMap.get(r);
-
- if(parent == null && listener == null) {
- if(entry != null && entry.isReady()) {
- entry.performFromCache(graph, provider, procedure);
- return;
- }
- }
-
- runner(graph, r, provider, entry, parent, listener, procedure);
-
- }
+import gnu.trove.procedure.TIntProcedure;
- final public static IntSet queryEach2(ReadGraphImpl graph, final int r, final QueryProcessor provider, final CacheEntry parent) throws Throwable {
-
- if(parent == null) {
- final Predicates entry = (Predicates)provider.predicatesMap.get(r);
- if(entry != null && entry.isReady()) {
- return (IntSet)entry.get(graph, provider, null);
- }
- }
+final public class Predicates extends UnaryQueryP<IntSet> {
- return runner2(graph, r, provider, parent);
-
- }
-
- @Override
- public UnaryQuery<IntProcedure> getEntry(QueryProcessor provider) {
- return provider.predicatesMap.get(id);
+ Predicates(final int r) {
+ super(r);
}
-
- @Override
- public void putEntry(QueryProcessor provider) {
- provider.predicatesMap.put(id, this);
- }
@Override
final public void removeEntry(QueryProcessor provider) {
- provider.predicatesMap.remove(id);
+ provider.cache.remove(this);
}
- final private void forAssertions(ReadGraphImpl graph, final QueryProcessor queryProvider, final IntProcedure procedure, final boolean store) {
+ final static private void forAssertions(ReadGraphImpl graph, int r, Predicates parent, final IntSet set) throws DatabaseException {
- PrincipalTypes.queryEach(graph, id, queryProvider, store ? Predicates.this : null, null, new SyncIntProcedure() {
+ QueryCache.runnerPrincipalTypes(graph, r, parent, null, new SyncIntProcedure() {
@Override
- public void run(ReadGraphImpl graph) {
-
- finish(graph, queryProvider);
- procedure.finished(graph);
-
+ public void run(ReadGraphImpl graph) throws DatabaseException {
}
IntProcedure proc = new IntProcedure() {
@Override
- public void execute(ReadGraphImpl graph, int i) {
- if(addOrSet(queryProvider, i))
- procedure.execute(graph, i);
+ public void execute(ReadGraphImpl graph, int i) throws DatabaseException {
+ set.add(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);
}
};
@Override
- public void execute(ReadGraphImpl graph, int type) {
+ public void execute(ReadGraphImpl graph, int type) throws DatabaseException {
inc();
-
- AssertedPredicates.queryEach(graph, type, queryProvider, store ? Predicates.this : null, null, proc);
+ QueryCache.runnerAssertedPredicates(graph, type, parent, null, proc);
}
@Override
- public void finished(ReadGraphImpl graph) {
+ public void finished(ReadGraphImpl graph) throws DatabaseException {
dec(graph);
}
}
- @Override
- public Object computeForEach(ReadGraphImpl graph, final QueryProcessor provider, final IntProcedure procedure, final boolean store) {
-
- DirectPredicates.queryEach(graph, id, provider, store ? Predicates.this : null, null, new IntProcedure() {
-
- @Override
- public void execute(ReadGraphImpl graph, final int pred) {
-
- if(addOrSet(provider, pred))
- procedure.execute(graph, pred);
-
- }
-
- @Override
- public void finished(ReadGraphImpl graph) {
-
- forAssertions(graph, provider, procedure, store);
-
- }
-
- @Override
- public void exception(ReadGraphImpl graph, Throwable t) {
- procedure.exception(graph, t);
- }
+ @Override
+ public void compute(ReadGraphImpl graph, final InternalProcedure<IntSet> procedure) throws DatabaseException {
+ computeForEach(graph, id, this, procedure);
+ }
- });
-
- return getResult();
-
- }
-
- @Override
- public String toString() {
- return "Predicates2[" + id + "]";
- }
-
- final public void finish(final ReadGraphImpl graph, QueryProcessor provider) {
-
-// ArrayList<IntProcedure> p = null;
-
- synchronized(this) {
-
- setReady();
-// p = procs;
-// procs = null;
-
- }
-
-// if(p != null) {
-//
-// final ArrayList<IntProcedure> finalP = p;
-//
-// IntSet v = (IntSet)getResult();
-// v.forEach(new TIntProcedure() {
-//
-// @Override
-// public boolean execute(int arg0) {
-// for(IntProcedure proc : finalP) proc.execute(graph, arg0);
-// return true;
-// }
-//
-// });
-//
-// for(IntProcedure proc : p) proc.finished(graph);
-//
-// }
-
- }
-
- synchronized private boolean addOrSet(QueryProcessor processor, int add) {
-
- if(!isPending()) {
- setResult(new IntSet(null));
- }
-
- IntSet value = (IntSet)getResult();
- return value.add(add);
-
- }
-
- @Override
- public void clearResult(QuerySupport support) {
- setResult(new IntSet(support));
- }
-
- @Override
- public Object performFromCache(final ReadGraphImpl graph, QueryProcessor provider, final IntProcedure procedure) {
+ public static void computeForEach(ReadGraphImpl graph, final int r, final Predicates entry, final InternalProcedure<IntSet> procedure_) throws DatabaseException {
+
+ InternalProcedure<IntSet> procedure = entry != null ? entry : procedure_;
- assert(isReady());
-
- if(handleException(graph, procedure)) return EXCEPTED;
+ IntSet direct = QueryCache.resultDirectPredicates(graph, r, entry, null);
+
+ IntSet result = new IntSet(graph.processor.querySupport);
+ forAssertions(graph, r, entry, result);
- IntSet v = getResult();
- if(procedure != null) {
- v.forEach(new TIntProcedure() {
-
+ if(result.isEmpty()) {
+ procedure.execute(graph, direct);
+ } else {
+ direct.forEach(new TIntProcedure() {
@Override
- public boolean execute(int arg0) {
- procedure.execute(graph, arg0);
+ public boolean execute(int value) {
+ result.add(value);
return true;
}
- });
- procedure.finished(graph);
- }
-
- return v;
+ });
+ procedure.execute(graph, result);
+ }
+
+ if(entry != null) entry.performFromCache(graph, procedure_);
}
@Override
- public void recompute(ReadGraphImpl graph, QueryProcessor provider) {
-
- final Semaphore s = new Semaphore(0);
-
- computeForEach(graph, provider, new IntProcedure() {
-
- @Override
- public void finished(ReadGraphImpl graph) {
- s.release();
- }
-
- @Override
- public void exception(ReadGraphImpl graph, Throwable t) {
- throw new Error("Error in recompute.", t);
- }
-
- @Override
- public void execute(ReadGraphImpl graph, int i) {
- }
+ public String toString() {
+ return "Predicates[" + id + "]";
+ }
- }, true);
-
- while(!s.tryAcquire()) {
- provider.resume(graph);
- }
-
+ @Override
+ public void clearResult(QuerySupport support) {
+ setResult(new IntSet(support));
}
@Override
public int type() {
return RequestFlags.IMMEDIATE_UPDATE;
}
-
-
- @Override
- boolean isImmutable(ReadGraphImpl graph) {
- return graph.processor.isImmutable(id);
- }
}