*******************************************************************************/
package org.simantics.db.impl.query;
-import gnu.trove.procedure.TIntProcedure;
-
-import java.util.concurrent.Semaphore;
-
+import org.simantics.db.exception.DatabaseException;
import org.simantics.db.impl.graph.ReadGraphImpl;
import org.simantics.db.impl.procedure.InternalProcedure;
import org.simantics.db.procedure.ListenerBase;
+import gnu.trove.procedure.TIntProcedure;
+
final public class TypeHierarchy extends UnaryQuery<InternalProcedure<IntSet>> {
-// public ArrayList<InternalProcedure<IntSet>> procs = null;
-
- private TypeHierarchy(final int resource) {
+ TypeHierarchy(final int resource) {
super(resource);
}
- final static void runner(ReadGraphImpl graph, final int r, final CacheEntry parent, final QueryProcessor provider, final ListenerBase listener, final InternalProcedure<IntSet> procedure) {
-
- TypeHierarchy entry = (TypeHierarchy)provider.cache.typeHierarchyMap.get(r);
- if(entry == null) {
-
- entry = new TypeHierarchy(r);
- entry.setPending();
- entry.clearResult(provider.querySupport);
- entry.putEntry(provider);
-
- provider.performForEach(graph, entry, parent, listener, procedure);
-
- } else {
-
- if(!entry.isReady()) {
- synchronized(entry) {
- if(!entry.isReady()) {
- throw new IllegalStateException();
-// if(entry.procs == null) entry.procs = new ArrayList<InternalProcedure<IntSet>>();
-// entry.procs.add(procedure);
-// provider.registerDependencies(graph, entry, parent, listener, procedure, false);
-// return;
- }
- }
- }
- provider.performForEach(graph, entry, parent, listener, procedure);
- }
-
- }
-
- final public static void queryEach(ReadGraphImpl graph, final int r, final QueryProcessor provider, final CacheEntry parent, final ListenerBase listener, final InternalProcedure<IntSet> procedure) {
-
- if(parent == null && listener == null) {
- TypeHierarchy entry = (TypeHierarchy)provider.cache.typeHierarchyMap.get(r);
- if(entry != null && entry.isReady()) {
- entry.performFromCache(graph, provider, procedure);
- return;
- }
- }
-
- runner(graph, r, parent, provider, listener, procedure);
-
+ final public static void queryEach(ReadGraphImpl graph, final int r, final QueryProcessor provider, final CacheEntry parent, final ListenerBase listener, final InternalProcedure<IntSet> procedure) throws DatabaseException {
+ QueryCache.runnerTypeHierarchy(graph, r, parent, listener, procedure);
}
-
- @Override
- public UnaryQuery<InternalProcedure<IntSet>> getEntry(QueryProcessor provider) {
- return provider.cache.typeHierarchyMap.get(id);
- }
-
- @Override
- public void putEntry(QueryProcessor provider) {
- provider.cache.typeHierarchyMap.put(id, this);
- }
@Override
final public void removeEntry(QueryProcessor provider) {
- provider.cache.typeHierarchyMap.remove(id);
+ provider.cache.remove(this);
}
@Override
- public IntSet computeForEach(ReadGraphImpl graph, final QueryProcessor provider, final InternalProcedure<IntSet> procedure, boolean store) {
+ public IntSet compute(ReadGraphImpl graph, final InternalProcedure<IntSet> procedure) throws DatabaseException {
- final IntSet result = new IntSet(provider.querySupport, id);
+ QueryProcessor processor = graph.processor;
+
+ final IntSet result = new IntSet(processor.querySupport, id);
final TIntProcedure addToResult = new TIntProcedure() {
@Override
}
};
- SuperTypes.queryEach(graph, id, provider, TypeHierarchy.this, null, new InternalProcedure<IntSet>() {
+ QueryCache.runnerSuperTypes(graph, id, TypeHierarchy.this, null, new InternalProcedure<IntSet>() {
@Override
- public void execute(ReadGraphImpl graph, IntSet types) {
+ public void execute(ReadGraphImpl graph, IntSet types) throws DatabaseException {
types.forEach(addToResult);
- addOrSet(graph, result, provider);
+ addOrSet(graph, result, processor);
procedure.execute(graph, result);
}
@Override
- public void exception(ReadGraphImpl graph, Throwable t) {
+ public void exception(ReadGraphImpl graph, Throwable t) throws DatabaseException {
procedure.exception(graph, t);
}
assert(!isReady());
-// ArrayList<InternalProcedure<IntSet>> p = null;
-
synchronized(this) {
value.trim();
setResult(value);
setReady();
-// p = procs;
-// procs = null;
}
-
-// if(p != null) {
-// IntSet v = (IntSet)getResult();
-// if(v != null) {
-// for(InternalProcedure<IntSet> proc : p) proc.execute(graph, v);
-// }
-// }
}
@Override
- public Object performFromCache(ReadGraphImpl graph, QueryProcessor provider, InternalProcedure<IntSet> procedure) {
+ public Object performFromCache(ReadGraphImpl graph, InternalProcedure<IntSet> procedure) throws DatabaseException {
assert(isReady());
}
@Override
- public void recompute(ReadGraphImpl graph, QueryProcessor provider) {
-
- final Semaphore s = new Semaphore(0);
-
- computeForEach(graph, provider, new InternalProcedure<IntSet>() {
+ public void recompute(ReadGraphImpl graph) throws DatabaseException {
+
+ compute(graph, new InternalProcedure<IntSet>() {
@Override
public void execute(ReadGraphImpl graph, IntSet result) {
- 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);
- }
+ });
}
@Override
boolean isImmutable(ReadGraphImpl graph) {
return graph.processor.isImmutable(id);
- }
+ }
+
}