-/*******************************************************************************\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
-\r
-\r
-\r
-abstract public class CollectionUnaryQuery<T> extends UnaryQuery<T> {\r
- \r
- public CollectionUnaryQuery(final int id) {\r
- super(id);\r
- }\r
- \r
- @Override\r
- public void clearResult(QuerySupport support) {\r
- setResult(new IntArray());\r
- }\r
- \r
- @Override\r
- public void setReady() {\r
- super.setReady();\r
- IntArray v = (IntArray)getResult();\r
- int size = v.size();\r
- if(size == 0) setResult(IntArray.EMPTY);\r
- else v.trim();\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.impl.procedure.IntProcedureAdapter;
+
+public abstract class CollectionUnaryQuery extends UnaryQuery<IntProcedure> implements IntProcedure {
+
+ public CollectionUnaryQuery(final int id) {
+ super(id);
+ }
+
+ public abstract void compute(ReadGraphImpl graph, IntProcedure procedure) throws DatabaseException;
+
+ @Override
+ public final void clearResult(QuerySupport support) {
+ setResult(new IntArray());
+ }
+
+ @Override
+ public final void setReady() {
+ super.setReady();
+ IntArray v = (IntArray)getResult();
+ int size = v.size();
+ if(size == 0) setResult(IntArray.EMPTY);
+ else v.trim();
+ }
+
+ @Override
+ public final Object performFromCache(ReadGraphImpl graph, final IntProcedure procedure) throws DatabaseException {
+
+ assert(isReady());
+
+ if(handleException(graph, procedure)) return EXCEPTED;
+
+ 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 getResult();
+
+ }
+
+ @Override
+ public final void recompute(ReadGraphImpl graph) throws DatabaseException {
+
+ compute(graph, new IntProcedureAdapter() {
+
+ @Override
+ public void finished(ReadGraphImpl graph) {
+ }
+
+ @Override
+ public void exception(ReadGraphImpl graph, Throwable t) {
+ new Error("Error in recompute.", t).printStackTrace();
+ }
+
+ });
+
+ }
+
+ @Override
+ final boolean isImmutable(ReadGraphImpl graph) {
+ return graph.processor.isImmutable(id);
+ }
+
+ @Override
+ public final void execute(ReadGraphImpl graph, int i) throws DatabaseException {
+ IntArray v = (IntArray)getResult();
+ v.add(i);
+ }
+
+ @Override
+ public final void finished(ReadGraphImpl graph) throws DatabaseException {
+ setReady();
+ }
+
+ @Override
+ public final void exception(ReadGraphImpl graph, Throwable throwable) throws DatabaseException {
+ except(throwable);
+ }
+
+ @Override
+ public void serializeValue(QuerySerializer serializer) {
+ IntArray is = getResult();
+ is.serialize(serializer);
+ }
+
+}