Some enhancements to GraphLayer-related utilities for Diagram layers

[simantics/platform.git] / bundles / org.simantics.diagram / src / org / simantics / diagram / synchronization / graph / GraphCopyAdvisor.java

diff --git a/bundles/org.simantics.diagram/src/org/simantics/diagram/synchronization/graph/GraphCopyAdvisor.java b/bundles/org.simantics.diagram/src/org/simantics/diagram/synchronization/graph/GraphCopyAdvisor.java
index 6d3137263ef153552ebd33ad6e71edcb00220ee2..ba112c8cfd13042c39a159817760fc9216c01340 100644 (file)
--- a/bundles/org.simantics.diagram/src/org/simantics/diagram/synchronization/graph/GraphCopyAdvisor.java
+++ b/bundles/org.simantics.diagram/src/org/simantics/diagram/synchronization/graph/GraphCopyAdvisor.java
@@ -1,162 +1,162 @@
-/*******************************************************************************\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 java.util.Map;\r
-\r
-import org.simantics.db.Resource;\r
-import org.simantics.db.WriteGraph;\r
-import org.simantics.db.common.utils.Logger;\r
-import org.simantics.db.exception.DatabaseException;\r
-import org.simantics.diagram.synchronization.CopyAdvisor;\r
-import org.simantics.diagram.synchronization.ISynchronizationContext;\r
-import org.simantics.diagram.synchronization.SynchronizationException;\r
-\r
-/**\r
- * @author Tuukka Lehtonen\r
- */\r
-public abstract class GraphCopyAdvisor implements CopyAdvisor {\r
-\r
-    @Override\r
-    public final Evaluation canCopy(ISynchronizationContext context, Object source, Object sourceContainer, Object targetContainer) {\r
-        if (!(source instanceof Resource))\r
-            return Evaluation.NOT_SUPPORTED;\r
-        \r
-//        if (!(sourceContainer instanceof Resource))\r
-//            return Evaluation.NOT_SUPPORTED;\r
-//        if (!(targetContainer instanceof Resource))\r
-//            return Evaluation.NOT_SUPPORTED;\r
-\r
-        Resource resource = (Resource) source;\r
-        Resource sourceCont = (Resource) sourceContainer;\r
-        Resource targetCont = (Resource) targetContainer;\r
-\r
-        WriteGraph graph = context.get(GraphSynchronizationHints.WRITE_TRANSACTION);\r
-        if (graph == null)\r
-            return Evaluation.NOT_SUPPORTED;\r
-\r
-        try {\r
-            return canCopy(context, graph, resource, sourceCont, targetCont);\r
-        } catch (DatabaseException e) {\r
-            Logger.defaultLogError(e);\r
-            return Evaluation.NOT_SUPPORTED;\r
-        }\r
-    }\r
-\r
-    @Override\r
-    public final Object copy(ISynchronizationContext context, Object source, Object sourceContainer, Object targetContainer) {\r
-       \r
-        if (!(source instanceof Resource))\r
-            return null;\r
-        \r
-//        if (!(sourceContainer instanceof Resource))\r
-//            return null;\r
-//        if (!(targetContainer instanceof Resource))\r
-//            return null;\r
-\r
-        Resource resource = (Resource) source;\r
-        Resource sourceCont = (Resource) sourceContainer;\r
-        Resource targetCont = (Resource) targetContainer;\r
-\r
-        WriteGraph graph = context.get(GraphSynchronizationHints.WRITE_TRANSACTION);\r
-        if (graph == null)\r
-            throw new SynchronizationException("no write transaction");\r
-        try {\r
-            return copy(context, graph, resource, sourceCont, targetCont);\r
-        } catch (DatabaseException e) {\r
-            throw new SynchronizationException(e);\r
-        }\r
-    }\r
-\r
-    @Override\r
-    public final Object copy(ISynchronizationContext context, Object source, Object sourceContainer, Object targetContainer, Map<Object, Object> map) {\r
-\r
-        if (!(source instanceof Resource))\r
-            return null;\r
-        \r
-//        if (!(sourceContainer instanceof Resource))\r
-//            return null;\r
-//        if (!(targetContainer instanceof Resource))\r
-//            return null;\r
-\r
-        Resource resource = (Resource) source;\r
-        Resource sourceCont = (Resource) sourceContainer;\r
-        Resource targetCont = (Resource) targetContainer;\r
-\r
-        WriteGraph graph = context.get(GraphSynchronizationHints.WRITE_TRANSACTION);\r
-        if (graph == null)\r
-            throw new SynchronizationException("no write transaction");\r
-        try {\r
-            return copy(context, graph, resource, sourceCont, targetCont, map);\r
-        } catch (DatabaseException e) {\r
-            throw new SynchronizationException(e);\r
-        }\r
-    }\r
-\r
-    @Override\r
-    public final Object cut(ISynchronizationContext context, Object source, Object sourceContainer, Object targetContainer) {\r
-       \r
-        if (!(source instanceof Resource))\r
-            return null;\r
-        \r
-//        if (!(sourceContainer instanceof Resource))\r
-//            return null;\r
-//        if (!(targetContainer instanceof Resource))\r
-//            return null;\r
-\r
-        Resource resource = (Resource) source;\r
-        Resource sourceCont = (Resource) sourceContainer;\r
-        Resource targetCont = (Resource) targetContainer;\r
-\r
-        WriteGraph graph = context.get(GraphSynchronizationHints.WRITE_TRANSACTION);\r
-        if (graph == null)\r
-            throw new SynchronizationException("no write transaction");\r
-\r
-        try {\r
-            return cut(context, graph, resource, sourceCont, targetCont);\r
-        } catch (DatabaseException e) {\r
-            throw new SynchronizationException(e);\r
-        }\r
-    }\r
-\r
-    @Override\r
-    public void onFinish(ISynchronizationContext context) {\r
-\r
-       WriteGraph graph = context.get(GraphSynchronizationHints.WRITE_TRANSACTION);\r
-        if (graph == null)\r
-            throw new SynchronizationException("no write transaction");\r
-        \r
-        try {\r
-                       onFinish(context, graph);\r
-        } catch (DatabaseException e) {\r
-            throw new SynchronizationException(e);\r
-        }\r
-       \r
-    }\r
-    \r
-    public void onFinish(ISynchronizationContext context, WriteGraph graph) throws DatabaseException {\r
-       \r
-    }\r
-\r
-    public abstract Evaluation canCopy(ISynchronizationContext context, WriteGraph graph, Resource source,\r
-            Resource sourceContainer, Resource targetContainer) throws DatabaseException;\r
-\r
-    public abstract Object copy(ISynchronizationContext context, WriteGraph graph, Resource source,\r
-            Resource sourceContainer, Resource targetContainer) throws DatabaseException;\r
-\r
-    public abstract Object copy(ISynchronizationContext context, WriteGraph graph, Resource source,\r
-            Resource sourceContainer, Resource targetContainer, Map<Object, Object> map) throws DatabaseException;\r
-\r
-    public abstract Object cut(ISynchronizationContext context, WriteGraph graph, Resource source,\r
-            Resource sourceContainer, Resource targetContainer) throws DatabaseException;\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 java.util.Map;
+
+import org.simantics.db.Resource;
+import org.simantics.db.WriteGraph;
+import org.simantics.db.common.utils.Logger;
+import org.simantics.db.exception.DatabaseException;
+import org.simantics.diagram.synchronization.CopyAdvisor;
+import org.simantics.diagram.synchronization.ISynchronizationContext;
+import org.simantics.diagram.synchronization.SynchronizationException;
+
+/**
+ * @author Tuukka Lehtonen
+ */
+public abstract class GraphCopyAdvisor implements CopyAdvisor {
+
+    @Override
+    public final Evaluation canCopy(ISynchronizationContext context, Object source, Object sourceContainer, Object targetContainer) {
+        if (!(source instanceof Resource))
+            return Evaluation.NOT_SUPPORTED;
+        
+//        if (!(sourceContainer instanceof Resource))
+//            return Evaluation.NOT_SUPPORTED;
+//        if (!(targetContainer instanceof Resource))
+//            return Evaluation.NOT_SUPPORTED;
+
+        Resource resource = (Resource) source;
+        Resource sourceCont = (Resource) sourceContainer;
+        Resource targetCont = (Resource) targetContainer;
+
+        WriteGraph graph = context.get(GraphSynchronizationHints.WRITE_TRANSACTION);
+        if (graph == null)
+            return Evaluation.NOT_SUPPORTED;
+
+        try {
+            return canCopy(context, graph, resource, sourceCont, targetCont);
+        } catch (DatabaseException e) {
+            Logger.defaultLogError(e);
+            return Evaluation.NOT_SUPPORTED;
+        }
+    }
+
+    @Override
+    public final Object copy(ISynchronizationContext context, Object source, Object sourceContainer, Object targetContainer) {
+       
+        if (!(source instanceof Resource))
+            return null;
+        
+//        if (!(sourceContainer instanceof Resource))
+//            return null;
+//        if (!(targetContainer instanceof Resource))
+//            return null;
+
+        Resource resource = (Resource) source;
+        Resource sourceCont = (Resource) sourceContainer;
+        Resource targetCont = (Resource) targetContainer;
+
+        WriteGraph graph = context.get(GraphSynchronizationHints.WRITE_TRANSACTION);
+        if (graph == null)
+            throw new SynchronizationException("no write transaction");
+        try {
+            return copy(context, graph, resource, sourceCont, targetCont);
+        } catch (DatabaseException e) {
+            throw new SynchronizationException(e);
+        }
+    }
+
+    @Override
+    public final Object copy(ISynchronizationContext context, Object source, Object sourceContainer, Object targetContainer, Map<Object, Object> map) {
+
+        if (!(source instanceof Resource))
+            return null;
+        
+//        if (!(sourceContainer instanceof Resource))
+//            return null;
+//        if (!(targetContainer instanceof Resource))
+//            return null;
+
+        Resource resource = (Resource) source;
+        Resource sourceCont = (Resource) sourceContainer;
+        Resource targetCont = (Resource) targetContainer;
+
+        WriteGraph graph = context.get(GraphSynchronizationHints.WRITE_TRANSACTION);
+        if (graph == null)
+            throw new SynchronizationException("no write transaction");
+        try {
+            return copy(context, graph, resource, sourceCont, targetCont, map);
+        } catch (DatabaseException e) {
+            throw new SynchronizationException(e);
+        }
+    }
+
+    @Override
+    public final Object cut(ISynchronizationContext context, Object source, Object sourceContainer, Object targetContainer) {
+       
+        if (!(source instanceof Resource))
+            return null;
+        
+//        if (!(sourceContainer instanceof Resource))
+//            return null;
+//        if (!(targetContainer instanceof Resource))
+//            return null;
+
+        Resource resource = (Resource) source;
+        Resource sourceCont = (Resource) sourceContainer;
+        Resource targetCont = (Resource) targetContainer;
+
+        WriteGraph graph = context.get(GraphSynchronizationHints.WRITE_TRANSACTION);
+        if (graph == null)
+            throw new SynchronizationException("no write transaction");
+
+        try {
+            return cut(context, graph, resource, sourceCont, targetCont);
+        } catch (DatabaseException e) {
+            throw new SynchronizationException(e);
+        }
+    }
+
+    @Override
+    public void onFinish(ISynchronizationContext context) {
+
+       WriteGraph graph = context.get(GraphSynchronizationHints.WRITE_TRANSACTION);
+        if (graph == null)
+            throw new SynchronizationException("no write transaction");
+        
+        try {
+                       onFinish(context, graph);
+        } catch (DatabaseException e) {
+            throw new SynchronizationException(e);
+        }
+       
+    }
+    
+    public void onFinish(ISynchronizationContext context, WriteGraph graph) throws DatabaseException {
+       
+    }
+
+    public abstract Evaluation canCopy(ISynchronizationContext context, WriteGraph graph, Resource source,
+            Resource sourceContainer, Resource targetContainer) throws DatabaseException;
+
+    public abstract Object copy(ISynchronizationContext context, WriteGraph graph, Resource source,
+            Resource sourceContainer, Resource targetContainer) throws DatabaseException;
+
+    public abstract Object copy(ISynchronizationContext context, WriteGraph graph, Resource source,
+            Resource sourceContainer, Resource targetContainer, Map<Object, Object> map) throws DatabaseException;
+
+    public abstract Object cut(ISynchronizationContext context, WriteGraph graph, Resource source,
+            Resource sourceContainer, Resource targetContainer) throws DatabaseException;
+    
+}