-/*******************************************************************************\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 org.simantics.db.exception.DatabaseException;\r
-import org.simantics.db.impl.graph.ReadGraphImpl;\r
-import org.simantics.db.request.RequestFlags;\r
-\r
-abstract public class UnaryQuery<Procedure> extends CacheEntryBase implements Query {\r
- \r
- final public int id;\r
-\r
- public UnaryQuery(int r) {\r
- assert(r != 0);\r
- this.id = r;\r
- }\r
- \r
- @Override\r
- int makeHash() {\r
- return id;\r
- }\r
- \r
- @Override\r
- public int type() {\r
- return RequestFlags.INVALIDATE;\r
- }\r
- \r
- @Override\r
- final public boolean equals(Object object) {\r
- if (this == object)\r
- return true;\r
- else if (object == null)\r
- return false;\r
- else if (getClass() != object.getClass())\r
- return false;\r
- UnaryQuery<?> other = (UnaryQuery<?>)object;\r
- return id == other.id;\r
- }\r
- \r
- @Override\r
- final public Query getQuery() {\r
- assert(!isDiscarded());\r
- return this;\r
- }\r
- \r
- @Override\r
- public void recompute(ReadGraphImpl graph, Object provider, CacheEntry entry) {\r
- recompute(graph, (QueryProcessor)provider);\r
- }\r
- \r
- @Override\r
- public void performFromCache(ReadGraphImpl graph, Object provider, Object procedure) {\r
- performFromCache(graph, (QueryProcessor)provider, (Procedure)procedure);\r
- }\r
- \r
- abstract public void recompute(ReadGraphImpl graph, QueryProcessor provider);\r
- abstract public Object computeForEach(ReadGraphImpl graph, QueryProcessor provider, Procedure procedure, boolean store);\r
- abstract public Object performFromCache(ReadGraphImpl graph, QueryProcessor provider, Procedure procedure);\r
- abstract public void putEntry(QueryProcessor provider);\r
- abstract public void removeEntry(QueryProcessor provider);\r
- abstract public UnaryQuery<Procedure> getEntry(QueryProcessor provider);\r
- \r
- public Object get(ReadGraphImpl graph, QueryProcessor processor, Object procedure) throws Throwable {\r
- if(procedure != null) {\r
- performFromCache(graph, processor, procedure);\r
- } else {\r
- checkAndThrow();\r
- }\r
- return getResult();\r
- }\r
- \r
- @Override\r
- boolean isImmutable(ReadGraphImpl graph) throws DatabaseException {\r
- return graph.processor.isImmutable(id);\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;
+
+public abstract class UnaryQuery<Procedure> extends CacheEntryBase<Procedure> implements Query {
+
+ final public int id;
+
+ public UnaryQuery(int r) {
+ assert(r != 0);
+ this.id = r;
+ }
+
+ @Override
+ int makeHash() {
+ return id;
+ }
+
+ @Override
+ public int type() {
+ return RequestFlags.INVALIDATE;
+ }
+
+ @Override
+ final public boolean equals(Object object) {
+ if (this == object)
+ return true;
+ else if (object == null)
+ return false;
+ else if (getClass() != object.getClass())
+ return false;
+ UnaryQuery<?> other = (UnaryQuery<?>)object;
+ return id == other.id;
+ }
+
+ @Override
+ final public Query getQuery() {
+ assert(!isDiscarded());
+ return this;
+ }
+
+ abstract public void removeEntry(QueryProcessor provider);
+
+ public Object get(ReadGraphImpl graph, Procedure procedure) throws Throwable {
+ if(procedure != null) {
+ performFromCache(graph, procedure);
+ } else {
+ checkAndThrow();
+ }
+ return getResult();
+ }
+
+ @Override
+ boolean isImmutable(ReadGraphImpl graph) throws DatabaseException {
+ return graph.processor.isImmutable(id);
+ }
+
+}