*******************************************************************************/
package org.simantics.db.impl.query;
-import gnu.trove.map.hash.TObjectIntHashMap;
-
-import java.util.concurrent.Semaphore;
-
import org.simantics.databoard.binding.Binding;
import org.simantics.databoard.serialization.Serializer;
import org.simantics.databoard.util.URIStringUtils;
import org.simantics.db.common.WriteBindings;
import org.simantics.db.common.exception.DebugException;
+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.map.hash.TObjectIntHashMap;
final public class NamespaceIndex extends StringQuery<InternalProcedure<TObjectIntHashMap<String>>> {
- private NamespaceIndex(final String id) {
+ NamespaceIndex(final String id) {
super(id);
}
- final static void runner(ReadGraphImpl graph, final String id, final QueryProcessor provider, NamespaceIndex cached, final CacheEntry parent, final ListenerBase listener, final InternalProcedure<TObjectIntHashMap<String>> procedure) {
-
- NamespaceIndex entry = cached != null ? cached : (NamespaceIndex)provider.cache.namespaceIndexMap22.get(id);
- if(entry == null) {
-
- entry = new NamespaceIndex(id);
- 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();
-// if(entry.procs == null) entry.procs = new ArrayList<InternalProcedure<TObjectIntHashMap<String>>>();
-// 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 String id, final QueryProcessor provider, final CacheEntry parent, final ListenerBase listener, final InternalProcedure<TObjectIntHashMap<String>> procedure) {
-
- final NamespaceIndex entry = (NamespaceIndex)provider.cache.namespaceIndexMap22.get(id);
-
- if(parent == null && listener == null && entry != null && entry.isReady()) {
- entry.performFromCache(graph, provider, procedure);
- return;
- }
-
- runner(graph, id, provider, entry, parent, listener, procedure);
-
- }
-
- @Override
- public NamespaceIndex getEntry(QueryProcessor provider) {
- return provider.cache.namespaceIndexMap22.get(id);
- }
-
- @Override
- public void putEntry(QueryProcessor provider) {
- provider.cache.namespaceIndexMap22.put(id, this);
- }
-
@Override
final public void removeEntry(QueryProcessor provider) {
- provider.cache.namespaceIndexMap22.remove(id);
+ provider.cache.remove(this);
}
- final private void index(ReadGraphImpl graph, final QueryProcessor provider, int root, final InternalProcedure<TObjectIntHashMap<String>> procedure) {
+ final static private void index(ReadGraphImpl graph, int root, NamespaceIndex entry, final InternalProcedure<TObjectIntHashMap<String>> procedure) throws DatabaseException {
if(root == 0) {
- add2(graph, null);
+ if(entry != null)
+ entry.add2(graph, null);
procedure.execute(graph, null);
// System.err.println("NamespaceIndex[" + id + "]->null");
return;
}
- final int consistsOf = provider.getConsistsOf();
- final int hasName = provider.getHasName();
+ QueryProcessor processor = graph.processor;
+
+ final int consistsOf = processor.getConsistsOf();
+ final int hasName = processor.getHasName();
final TObjectIntHashMap<String> result = new TObjectIntHashMap<String>();
- Objects.runner(graph, root, consistsOf, graph.parent, null, new SyncIntProcedure() {
+ QueryCache.runnerObjects(graph, root, consistsOf, entry, null, new SyncIntProcedure() {
@Override
- public void run(ReadGraphImpl graph) {
+ public void run(ReadGraphImpl graph) throws DatabaseException {
- if(isPending()) {
- add2(graph, result);
- procedure.execute(graph, result);
-// System.err.println("NamespaceIndex[" + id + "]->" + result.size());
- } else {
- procedure.exception(graph, (Throwable)statusOrException);
- }
+ if(entry != null) entry.add2(graph, result);
+ procedure.execute(graph, result);
}
@Override
- public void finished(ReadGraphImpl graph) {
-
+ public void finished(ReadGraphImpl graph) throws DatabaseException {
dec(graph);
-
}
@Override
- public void execute(ReadGraphImpl graph, final int obj) {
+ public void execute(ReadGraphImpl graph, final int obj) throws DatabaseException {
//System.out.println(id + " => " + obj);
inc();
- Objects.runner(graph, obj, hasName, graph.parent, null, new IntProcedure() {
+ QueryCache.runnerObjects(graph, obj, hasName, entry, null, new IntProcedure() {
@Override
- public void execute(ReadGraphImpl graph, int i) {
+ public void execute(ReadGraphImpl graph, int i) throws DatabaseException {
inc();
- ValueQuery.queryEach(graph, i, NamespaceIndex.this, null, new InternalProcedure<byte[]>() {
+ QueryCache.runnerValueQuery(graph, i, entry, null, new InternalProcedure<byte[]>() {
@Override
- public void execute(ReadGraphImpl graph, byte[] value) {
+ public void execute(ReadGraphImpl graph, byte[] value) throws DatabaseException {
if(value != null) {
}
@Override
- public void exception(ReadGraphImpl graph, Throwable t) {
- except(t);
+ public void exception(ReadGraphImpl graph, Throwable t) throws DatabaseException {
+ if(entry != null) entry.except(t);
dec(graph);
}
}
@Override
- public void finished(ReadGraphImpl graph) {
+ public void finished(ReadGraphImpl graph) throws DatabaseException {
dec(graph);
}
@Override
- public void exception(ReadGraphImpl graph, Throwable t) {
- except(t);
+ public void exception(ReadGraphImpl graph, Throwable t) throws DatabaseException {
+ if(entry != null) entry.except(t);
dec(graph);
}
}
+
@Override
- public void computeForEach(ReadGraphImpl graph, final QueryProcessor processor, final InternalProcedure<TObjectIntHashMap<String>> procedure) {
+ public Object compute(ReadGraphImpl graph, final InternalProcedure<TObjectIntHashMap<String>> procedure) throws DatabaseException {
+ computeForEach(graph, id, this, procedure);
+ return getResult();
+ }
+
+ public static void computeForEach(ReadGraphImpl graph, final String id, final NamespaceIndex entry, final InternalProcedure<TObjectIntHashMap<String>> procedure) throws DatabaseException {
+
+ QueryProcessor processor = graph.processor;
// System.err.println("NamespaceIndex " + id);
if("http://".equals(id) || "http:/".equals(id)) {
- index(graph, processor, processor.getRootLibrary(), procedure);
+ index(graph, processor.getRootLibrary(), entry, procedure);
} else {
final String[] parts = URIStringUtils.splitURI(id);
if(parts != null) {
- NamespaceIndex.queryEach(graph, parts[0], processor, this, null, new InternalProcedure<TObjectIntHashMap<String>>() {
+ QueryCache.runnerNamespaceIndex(graph, parts[0], entry, null, new InternalProcedure<TObjectIntHashMap<String>>() {
@Override
- public void execute(ReadGraphImpl graph, TObjectIntHashMap<String> index) {
+ public void execute(ReadGraphImpl graph, TObjectIntHashMap<String> index) throws DatabaseException {
if(index != null) {
- index(graph, processor, index.get(parts[1]), procedure);
+ index(graph, index.get(parts[1]), entry, procedure);
} else {
- add2(graph, null);
+ if(entry != null) entry.add2(graph, null);
procedure.execute(graph, null);
// System.err.println("NamespaceIndex[" + id + "]->null");
}
}
@Override
- public void exception(ReadGraphImpl graph, Throwable t) {
+ public void exception(ReadGraphImpl graph, Throwable t) throws DatabaseException {
if(DebugException.DEBUG) new DebugException(t).printStackTrace();
- except(t);
+ if(entry != null) entry.except(t);
procedure.exception(graph, t);
}
});
} else {
- add2(graph, null);
+ if(entry != null) entry.add2(graph, null);
procedure.execute(graph, null);
// System.err.println("NamespaceIndex[" + id + "]->null");
}
return "NamespaceIndex[" + id + "]";
}
- synchronized private void add(TObjectIntHashMap<String> result) {
-
- throw new Error("Not possible!");
-
- }
-
private void add2(ReadGraphImpl graph, TObjectIntHashMap<String> result) {
if(!isPending()) {
assert(isPending());
-// ArrayList<InternalProcedure<TObjectIntHashMap<String>>> p = null;
-
synchronized(this) {
setResult(result);
setReady();
-// p = procs;
-// procs = null;
}
-
-// if(p != null) {
-//
-// for(InternalProcedure<TObjectIntHashMap<String>> proc : p) proc.execute(graph, result);
-//
-// }
}
@Override
- public void performFromCache(ReadGraphImpl graph, QueryProcessor provider, InternalProcedure<TObjectIntHashMap<String>> procedure) {
+ public Object performFromCache(ReadGraphImpl graph, InternalProcedure<TObjectIntHashMap<String>> procedure) throws DatabaseException {
assert(isReady());
- if(handleException(graph, procedure)) return;
+ if(handleException(graph, procedure)) return (Throwable)statusOrException;
- procedure.execute(graph, (TObjectIntHashMap<String>)getResult());
+ TObjectIntHashMap<String> result = (TObjectIntHashMap<String>)getResult();
+
+ procedure.execute(graph, result);
+
+ return result;
}
@Override
- public synchronized void recompute(ReadGraphImpl graph, QueryProcessor provider) {
-
- final Semaphore s = new Semaphore(0);
+ public void recompute(ReadGraphImpl graph) throws DatabaseException {
- computeForEach(graph, provider, new InternalProcedure<TObjectIntHashMap<String>>() {
+ compute(graph, new InternalProcedure<TObjectIntHashMap<String>>() {
@Override
public void execute(ReadGraphImpl graph, TObjectIntHashMap<String> result) {
- s.release();
}
@Override
});
- while(!s.tryAcquire()) {
- provider.resume(graph);
- }
-
}
}