-/*******************************************************************************\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.diagram.synchronization.graph;\r
-\r
-import org.simantics.db.ReadGraph;\r
-import org.simantics.db.WriteGraph;\r
-import org.simantics.diagram.internal.DebugPolicy;\r
-import org.simantics.diagram.synchronization.IModifiableSynchronizationContext;\r
-import org.simantics.diagram.synchronization.IModificationQueue;\r
-import org.simantics.diagram.synchronization.SynchronizationHints;\r
-import org.simantics.utils.datastructures.hints.HintContext;\r
-import org.simantics.utils.datastructures.hints.IHintContext;\r
-import org.simantics.utils.datastructures.hints.IHintContext.Key;\r
-\r
-/**\r
- * @author Tuukka Lehtonen\r
- */\r
-public class GraphSynchronizationContext implements IModifiableSynchronizationContext {\r
-\r
- private final IHintContext ctx = new HintContext();\r
-\r
- public GraphSynchronizationContext(ReadGraph graph, IModificationQueue modificationQueue) {\r
- ctx.setHint(GraphSynchronizationHints.SESSION, graph.getSession());\r
- ctx.setHint(GraphSynchronizationHints.BASIC_RESOURCES, BasicResources.getInstance(graph));\r
- ctx.setHint(SynchronizationHints.MODIFICATION_QUEUE, modificationQueue);\r
- }\r
-\r
- public static GraphSynchronizationContext getWriteInstance(WriteGraph graph, IModificationQueue modificationQueue) {\r
- GraphSynchronizationContext ctx = new GraphSynchronizationContext(graph, modificationQueue);\r
- ctx.ctx.setHint(GraphSynchronizationHints.READ_TRANSACTION, graph);\r
- ctx.ctx.setHint(GraphSynchronizationHints.WRITE_TRANSACTION, graph);\r
- return ctx;\r
- }\r
-\r
- @Override\r
- public <T> T get(Key key) {\r
- return ctx.getHint(key);\r
- }\r
-\r
- @Override\r
- public <T> T set(Key key, Object value) {\r
- if (DebugPolicy.DEBUG_SYNC_CONTEXT)\r
- System.out.println(this + ".set(" + key + "): " + value);\r
-\r
- if (value == null)\r
- return ctx.removeHint(key);\r
-\r
- T t = ctx.getHint(key);\r
- ctx.setHint(key, value);\r
- return t;\r
- }\r
-\r
+/*******************************************************************************
+ * Copyright (c) 2007, 2010 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.diagram.synchronization.graph;
+
+import org.simantics.db.ReadGraph;
+import org.simantics.db.WriteGraph;
+import org.simantics.diagram.internal.DebugPolicy;
+import org.simantics.diagram.synchronization.IModifiableSynchronizationContext;
+import org.simantics.diagram.synchronization.IModificationQueue;
+import org.simantics.diagram.synchronization.SynchronizationHints;
+import org.simantics.utils.datastructures.hints.HintContext;
+import org.simantics.utils.datastructures.hints.IHintContext;
+import org.simantics.utils.datastructures.hints.IHintContext.Key;
+
+/**
+ * @author Tuukka Lehtonen
+ */
+public class GraphSynchronizationContext implements IModifiableSynchronizationContext {
+
+ private final IHintContext ctx = new HintContext();
+
+ public GraphSynchronizationContext(ReadGraph graph, IModificationQueue modificationQueue) {
+ ctx.setHint(GraphSynchronizationHints.SESSION, graph.getSession());
+ ctx.setHint(GraphSynchronizationHints.BASIC_RESOURCES, BasicResources.getInstance(graph));
+ ctx.setHint(SynchronizationHints.MODIFICATION_QUEUE, modificationQueue);
+ }
+
+ public static GraphSynchronizationContext getWriteInstance(WriteGraph graph, IModificationQueue modificationQueue) {
+ GraphSynchronizationContext ctx = new GraphSynchronizationContext(graph, modificationQueue);
+ ctx.ctx.setHint(GraphSynchronizationHints.READ_TRANSACTION, graph);
+ ctx.ctx.setHint(GraphSynchronizationHints.WRITE_TRANSACTION, graph);
+ return ctx;
+ }
+
+ @Override
+ public <T> T get(Key key) {
+ return ctx.getHint(key);
+ }
+
+ @Override
+ public <T> T set(Key key, Object value) {
+ if (DebugPolicy.DEBUG_SYNC_CONTEXT)
+ System.out.println(this + ".set(" + key + "): " + value);
+
+ if (value == null)
+ return ctx.removeHint(key);
+
+ T t = ctx.getHint(key);
+ ctx.setHint(key, value);
+ return t;
+ }
+
}
\ No newline at end of file