-/*******************************************************************************\r
- * Copyright (c) 2007, 2010 Association for Decentralized Information Management\r
- * in Industry THTH ry.\r
- * All rights reserved. This program and the accompanying materials\r
- * are made available under the terms of the Eclipse Public License v1.0\r
- * which accompanies this distribution, and is available at\r
- * http://www.eclipse.org/legal/epl-v10.html\r
- *\r
- * Contributors:\r
- * VTT Technical Research Centre of Finland - initial API and implementation\r
- *******************************************************************************/\r
-package org.simantics.db.impl.query;\r
-\r
-import java.util.Collection;\r
-import java.util.concurrent.Semaphore;\r
-\r
-import org.simantics.db.common.exception.DebugException;\r
-import org.simantics.db.impl.graph.ReadGraphImpl;\r
-import org.simantics.db.procedure.ListenerBase;\r
-import org.simantics.db.request.RequestFlags;\r
-\r
-final public class DirectObjects extends CollectionBinaryQuery<IntProcedure> {\r
-\r
- private DirectObjects(final int r1, final int r2) {\r
- super(r1, r2);\r
- }\r
-\r
- @Override\r
- public int type() {\r
- return RequestFlags.INVALIDATE;\r
- }\r
- \r
- @Override\r
- public void clearResult(QuerySupport support) {\r
- setResult(INVALID_RESULT);\r
- }\r
-\r
- final static DirectObjects entry(final QueryProcessor provider, final int r1, final int r2) {\r
-\r
- return (DirectObjects)provider.directObjectsMap.get(id(r1,r2));\r
-\r
- }\r
- \r
- final static Collection<DirectObjects> entries(final QueryProcessor processor, final int r1) {\r
- DoubleKeyQueryHashMap<IntProcedure> hash = processor.directObjectsMap;\r
- return hash.values(r1);\r
- }\r
-\r
- final static void runner(ReadGraphImpl graph, final int r1, final int r2, CacheEntry parent, final ListenerBase listener, final IntProcedure procedure) {\r
-\r
- QueryProcessor processor = graph.processor;\r
- \r
- DirectObjects entry = (DirectObjects)processor.directObjectsMap.get(id(r1,r2));\r
- if(entry == null) {\r
- \r
- entry = new DirectObjects(r1, r2);\r
- entry.setPending();\r
- entry.clearResult(processor.querySupport);\r
- entry.putEntry(processor);\r
- \r
- processor.performForEach(graph, entry, parent, listener, procedure);\r
- \r
- } else {\r
- \r
- if(entry.isPending()) {\r
- synchronized(entry) {\r
- if(entry.isPending()) {\r
- processor.registerDependencies(graph, entry, parent, listener, procedure, false);\r
- entry.computeForEach(graph, processor, procedure, true);\r
- return;\r
- }\r
- }\r
- }\r
- \r
- processor.performForEach(graph, entry, parent, listener, procedure);\r
- \r
- }\r
-\r
- }\r
-\r
- 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) {\r
-\r
- assert(r1 != 0);\r
- assert(r2 != 0);\r
- \r
- if(parent == null && listener == null) {\r
- DirectObjects.computeForEach(graph, r1, r2, null, procedure);\r
- } else {\r
- runner(graph, r1, r2, parent, listener, procedure);\r
- }\r
-\r
- }\r
-\r
- @Override\r
- public BinaryQuery<IntProcedure> getEntry(QueryProcessor provider) {\r
- return provider.directObjectsMap.get(id);\r
- }\r
-\r
- @Override\r
- public void putEntry(QueryProcessor provider) {\r
- provider.directObjectsMap.put(id, this);\r
- }\r
-\r
- @Override\r
- final public void removeEntry(QueryProcessor provider) {\r
- provider.directObjectsMap.remove(id);\r
- }\r
-\r
- @Override\r
- public void computeForEach(ReadGraphImpl graph, final QueryProcessor queryProvider, final IntProcedure procedure, final boolean store) {\r
- computeForEach(graph, r1(), r2(), this, procedure);\r
- }\r
-\r
- static public void computeForEach(ReadGraphImpl graph, int r1, int r2, final DirectObjects entry, final IntProcedure procedure) {\r
-\r
- QueryProcessor processor = graph.processor;\r
- \r
- processor.querySupport.ensureLoaded(graph, r1, r2);\r
-\r
- processor.querySupport.getObjects(graph, r1, r2, new IntProcedure() {\r
-\r
- @Override\r
- public void execute(ReadGraphImpl graph, int i) {\r
- procedure.execute(graph, i);\r
- }\r
-\r
- @Override\r
- public void finished(ReadGraphImpl graph) {\r
- }\r
-\r
- @Override\r
- public void exception(ReadGraphImpl graph, Throwable t) {\r
- if(DebugException.DEBUG) new DebugException(t).printStackTrace();\r
- }\r
-\r
- });\r
-\r
- if(entry != null) entry.finish(graph, processor);\r
- procedure.finished(graph);\r
-\r
- }\r
-\r
- @Override\r
- public String toString() {\r
- return "DirectObjects[" + r1() + " - " + r2() + "]";\r
- }\r
-\r
- @Override\r
- public void setReady() {\r
- statusOrException = READY;\r
- }\r
- \r
- final private void finish(ReadGraphImpl graph, QueryProcessor provider) {\r
- setReady();\r
- }\r
-\r
- @Override\r
- public void performFromCache(ReadGraphImpl graph, QueryProcessor provider, IntProcedure procedure) {\r
-\r
- assert(isReady());\r
- computeForEach(graph, provider, procedure, false);\r
-\r
- }\r
-\r
- @Override\r
- public void recompute(ReadGraphImpl graph, QueryProcessor provider) {\r
-\r
- final Semaphore s = new Semaphore(0);\r
- \r
- computeForEach(graph, provider, new IntProcedure() {\r
-\r
- @Override\r
- public void finished(ReadGraphImpl graph) {\r
- s.release();\r
- }\r
-\r
- @Override\r
- public void exception(ReadGraphImpl graph, Throwable t) {\r
- throw new Error("Error in recompute.", t);\r
- }\r
-\r
- @Override\r
- public void execute(ReadGraphImpl graphd, int i) {\r
- }\r
-\r
- }, true);\r
-\r
- while(!s.tryAcquire()) {\r
- provider.resume(graph);\r
- }\r
-\r
- }\r
-\r
- @Override\r
- boolean isImmutable(ReadGraphImpl graph) {\r
- return graph.processor.isImmutable(r1());\r
- }\r
- \r
-}\r
-\r
+/*******************************************************************************
+ * 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
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ * VTT Technical Research Centre of Finland - initial API and implementation
+ *******************************************************************************/
+package org.simantics.db.impl.query;
+
+import org.simantics.db.exception.DatabaseException;
+import org.simantics.db.impl.graph.ReadGraphImpl;
+import org.simantics.db.request.RequestFlags;
+
+final public class DirectObjects extends CollectionBinaryQuery<IntProcedure> implements IntProcedure {
+
+ DirectObjects(final int r1, final int r2) {
+ super(r1, r2);
+ }
+
+ @Override
+ public int type() {
+ return RequestFlags.INVALIDATE;
+ }
+
+ @Override
+ public final void removeEntry(QueryProcessor provider) {
+ provider.cache.remove(this);
+ }
+
+ // @Override
+ public Object compute(ReadGraphImpl graph, final IntProcedure procedure) throws DatabaseException {
+ computeForEach(graph, r1(), r2(), this, procedure);
+ return getResult();
+ }
+
+ public static void computeForEach(ReadGraphImpl graph, int r1, int r2, final DirectObjects entry,
+ final IntProcedure procedure_) throws DatabaseException {
+
+ IntProcedure procedure = entry != null ? entry : procedure_;
+
+ QueryProcessor processor = graph.processor;
+
+ processor.querySupport.ensureLoaded(graph, r1, r2);
+
+ processor.querySupport.getObjects(graph, r1, r2, procedure);
+
+ procedure.finished(graph);
+
+ if (entry != null)
+ entry.performFromCache(graph, procedure_);
+
+ }
+
+ @Override
+ public String toString() {
+ return "DirectObjects[" + r1() + " - " + r2() + "]";
+ }
+
+ @Override
+ public void setReady() {
+ statusOrException = READY;
+ }
+
+ @Override
+ public Object performFromCache(ReadGraphImpl graph, IntProcedure procedure) throws DatabaseException {
+
+ assert (isReady());
+
+ 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) throws DatabaseException {
+
+ compute(graph, new IntProcedure() {
+
+ @Override
+ public void finished(ReadGraphImpl graph) {
+ }
+
+ @Override
+ public void exception(ReadGraphImpl graph, Throwable t) {
+ throw new Error("Error in recompute.", t);
+ }
+
+ @Override
+ public void execute(ReadGraphImpl graphd, int i) {
+ }
+
+ });
+
+ }
+
+ @Override
+ boolean isImmutable(ReadGraphImpl graph) {
+ return graph.processor.isImmutable(r1());
+ }
+
+ @Override
+ public void execute(ReadGraphImpl graph, int i) throws DatabaseException {
+ IntArray value = (IntArray) getResult();
+ value.add(i);
+ }
+
+ @Override
+ public void finished(ReadGraphImpl graph) throws DatabaseException {
+ setReady();
+ }
+
+ @Override
+ public void exception(ReadGraphImpl graph, Throwable throwable) throws DatabaseException {
+ except(throwable);
+ }
+
+}
Code Review / simantics / platform.git / blobdiff