/*******************************************************************************
- * 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 gnu.trove.map.hash.TObjectIntHashMap;
-
-import java.util.concurrent.Semaphore;
-
import org.simantics.databoard.util.URIStringUtils;
+import org.simantics.db.ObjectResourceIdMap;
import org.simantics.db.common.exception.DebugException;
+import org.simantics.db.exception.DatabaseException;
+import org.simantics.db.exception.ResourceNotFoundException;
import org.simantics.db.impl.graph.ReadGraphImpl;
import org.simantics.db.impl.procedure.InternalProcedure;
-import org.simantics.db.procedure.ListenerBase;
-public class URIToResource extends StringQuery<InternalProcedure<Integer>> {
+public class URIToResource extends StringQuery<InternalProcedure<Integer>> implements InternalProcedure<Integer> {
-// public ArrayList<InternalProcedure<Integer>> procs = null;
-
- private URIToResource(final String id) {
+ URIToResource(String id) {
super(id);
}
-
- final static URIToResource entry(final QueryProcessor provider, final String id) {
- return (URIToResource)provider.uriToResourceMap.get(id);
- }
-
- final static void runner(ReadGraphImpl graph, final String id, CacheEntry parent, final ListenerBase listener, final InternalProcedure<Integer> procedure) {
-
- QueryProcessor processor = graph.processor;
-
- URIToResource entry = (URIToResource)processor.uriToResourceMap.get(id);
- if(entry == null) {
-
- entry = new URIToResource(id);
- 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()) {
- throw new IllegalStateException();
-// if(entry.procs == null) entry.procs = new ArrayList<InternalProcedure<Integer>>();
-// entry.procs.add(procedure);
-// processor.registerDependencies(graph, entry, parent, listener, procedure, false);
-// return;
- }
- }
- }
-
- processor.performForEach(graph, entry, parent, listener, procedure);
-
- }
-
- }
-
- final public static void queryEach(ReadGraphImpl graph, final String id, final CacheEntry parent, final ListenerBase listener, final InternalProcedure<Integer> procedure) {
-
- assert(id != null);
-
- if(graph.parent == null && listener == null) {
- URIToResource.computeForEach(graph, id, null, procedure);
- } else {
- runner(graph, id, parent, listener, procedure);
- }
-
- }
-
- @Override
- public URIToResource getEntry(QueryProcessor provider) {
- return provider.uriToResourceMap.get(id);
- }
-
@Override
- public void putEntry(QueryProcessor provider) {
- provider.uriToResourceMap.put(id, this);
+ public final void removeEntry(QueryProcessor provider) {
+ provider.cache.remove(this);
}
- @Override
- final public void removeEntry(QueryProcessor provider) {
- provider.uriToResourceMap.remove(id);
+ public Object compute(ReadGraphImpl graph, final InternalProcedure<Integer> procedure) throws DatabaseException {
+ computeForEach(graph, id, this, procedure);
+ return getResult();
}
- private void lookup(ReadGraphImpl graph, final QueryProcessor processor, final InternalProcedure<Integer> procedure, final String namespace, final String name) {
-
- NamespaceIndex.queryEach(graph, namespace, processor, this, null, new InternalProcedure<TObjectIntHashMap<String>>() {
+ static void computeForEach(ReadGraphImpl graph, String id, final URIToResource entry, final InternalProcedure<Integer> procedure_) throws DatabaseException {
- @Override
- public void execute(ReadGraphImpl graph, TObjectIntHashMap<String> index) {
-
- if(index != null) {
- int result = index.get(name);
- if(result != 0) {
- addOrSet(graph, processor, result);
- procedure.execute(graph, result);
- return;
- }
- }
-
- addOrSet(graph, processor, new Integer(0));
- procedure.execute(graph, new Integer(0));
-
- }
+ InternalProcedure<Integer> procedure = entry != null ? entry : procedure_;
- @Override
- public void exception(ReadGraphImpl graph, Throwable t) {
- except(t);
- procedure.exception(graph, t);
- }
+ if("http://".equals(id) || "http:/".equals(id)) {
- });
+ QueryProcessor processor = graph.processor;
+ procedure.execute(graph, processor.getRootLibrary());
- }
+ } else {
- private static void lookup(ReadGraphImpl graph, final URIToResource entry, final InternalProcedure<Integer> procedure, final String namespace, final String name) {
-
- NamespaceIndex.queryEach(graph, namespace, graph.processor, entry, null, new InternalProcedure<TObjectIntHashMap<String>>() {
+ final String[] parts = URIStringUtils.splitURI(id);
+ if (parts != null) {
- @Override
- public void execute(ReadGraphImpl graph, TObjectIntHashMap<String> index) {
-
- if(index != null) {
- int result = index.get(name);
- if(result != 0) {
- if(entry != null) entry.addOrSet(graph, graph.processor, result);
- procedure.execute(graph, result);
- return;
- }
- }
-
- Integer zero = 0;
- if(entry != null) entry.addOrSet(graph, graph.processor, zero);
- procedure.execute(graph, zero);
+ QueryCache.runnerURIToResource(graph, parts[0], entry, null, new InternalProcedure<Integer>() {
- }
+ @Override
+ public void execute(ReadGraphImpl graph, Integer parentId) throws DatabaseException {
- @Override
- public void exception(ReadGraphImpl graph, Throwable t) {
- if(entry != null) entry.except(t);
- procedure.exception(graph, t);
- }
+ ObjectResourceIdMap<String> map = QueryCache.resultChildMap(graph, parentId, entry, null);
+ assert(map != null);
+ int result = map.getId(URIStringUtils.unescape(parts[1]));
+ if (result == 0) {
+ ResourceNotFoundException e = new ResourceNotFoundException(id);
+ procedure.exception(graph, e);
+ } else {
+ procedure.execute(graph, result);
+ }
+ }
- });
+ @Override
+ public void exception(ReadGraphImpl graph, Throwable throwable) throws DatabaseException {
+ procedure.exception(graph, throwable);
+ }
- }
-
- @Override
- public void computeForEach(ReadGraphImpl graph, final QueryProcessor processor, final InternalProcedure<Integer> procedure) {
-
-// new Exception("URIToResource " + id).printStackTrace();
-
- if("http://".equals(id) || "http:/".equals(id)) {
-
- addOrSet(graph, processor, processor.getRootLibrary());
- procedure.execute(graph, processor.getRootLibrary());
+ });
- } else {
-
- final String[] parts = URIStringUtils.splitURI(id);
- if (parts != null) {
- lookup(graph, processor, procedure, parts[0], parts[1]);
} else {
- lookup(graph, processor, procedure, "http://", id.replaceFirst("http://", ""));
+ ResourceNotFoundException e = new ResourceNotFoundException(id);
+ procedure.exception(graph, e);
}
}
-
- }
- final private static void computeForEach(ReadGraphImpl graph, String id, final URIToResource entry, final InternalProcedure<Integer> procedure) {
-
- if("http://".equals(id) || "http:/".equals(id)) {
-
- QueryProcessor processor = graph.processor;
- if(entry != null) entry.addOrSet(graph, processor, processor.getRootLibrary());
- procedure.execute(graph, processor.getRootLibrary());
+ if(entry != null) entry.performFromCache(graph, procedure_);
- } else {
-
- final String[] parts = URIStringUtils.splitURI(id);
- if (parts != null) {
- lookup(graph, entry, procedure, parts[0], parts[1]);
- } else {
- lookup(graph, entry, procedure, "http://", id.replaceFirst("http://", ""));
- }
-
- }
-
}
-
- public void addOrSet(ReadGraphImpl graph, QueryProcessor provider, Integer result) {
- assert(isPending());
+ public void addOrSet(Integer result) {
-// ArrayList<InternalProcedure<Integer>> p = null;
+ assert(isPending());
synchronized(this) {
-
setResult(result);
setReady();
-// p = procs;
-// procs = null;
-
}
-// if(p != null)
-// for(InternalProcedure<Integer> proc : p) proc.execute(graph, result);
-
}
-
+
@Override
public String toString() {
return "URIToResource[" + id + "]";
}
@Override
- public void performFromCache(ReadGraphImpl graph, QueryProcessor provider, InternalProcedure<Integer> procedure) {
-
+ public Object performFromCache(ReadGraphImpl graph, InternalProcedure<Integer> procedure) throws DatabaseException {
+
assert(isReady());
-
- if(handleException(graph, procedure)) return;
-
- if(isExcepted()) {
- procedure.exception(graph, (Throwable)statusOrException);
- } else {
- procedure.execute(graph, (Integer)getResult());
- }
-
+
+ if(handleException(graph, procedure)) return (Throwable)getResult();
+
+ Integer result = (Integer)getResult();
+ procedure.execute(graph, result);
+ return result;
+
}
-
+
@Override
- public void recompute(ReadGraphImpl graph, QueryProcessor provider) {
-
- final Semaphore s = new Semaphore(0);
-
- computeForEach(graph, provider, new InternalProcedure<Integer>() {
+ public void recompute(ReadGraphImpl graph) throws DatabaseException {
+
+ compute(graph, new InternalProcedure<Integer>() {
@Override
public void execute(ReadGraphImpl graph, Integer result) {
- s.release();
}
-
+
@Override
public void exception(ReadGraphImpl graph, Throwable t) {
if(DebugException.DEBUG) new DebugException(t).printStackTrace();
}
});
-
- while(!s.tryAcquire()) {
- provider.resume(graph);
- }
-
+
+ }
+
+ @Override
+ public void execute(ReadGraphImpl graph, Integer result) throws DatabaseException {
+ synchronized(this) {
+ setResult(result);
+ setReady();
+ }
}
-
+
+ @Override
+ public void exception(ReadGraphImpl graph, Throwable throwable) throws DatabaseException {
+ except(throwable);
+ }
+
}
Code Review / simantics / platform.git / blobdiff