Migrated source code from Simantics SVN

[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
new file mode 100644 (file)
index 0000000..6d31372
--- /dev/null
+++ b/bundles/org.simantics.diagram/src/org/simantics/diagram/synchronization/graph/GraphCopyAdvisor.java
@@ -0,0 +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