Migrated source code from Simantics SVN

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

diff --git a/bundles/org.simantics.diagram/src/org/simantics/diagram/synchronization/graph/AssociativeCopyAdvisor.java b/bundles/org.simantics.diagram/src/org/simantics/diagram/synchronization/graph/AssociativeCopyAdvisor.java
new file mode 100644 (file)
index 0000000..2a21686
--- /dev/null
+++ b/bundles/org.simantics.diagram/src/org/simantics/diagram/synchronization/graph/AssociativeCopyAdvisor.java
@@ -0,0 +1,86 @@
+/*******************************************************************************\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.exception.DatabaseException;\r
+import org.simantics.diagram.synchronization.CopyAdvisor;\r
+import org.simantics.diagram.synchronization.ISynchronizationContext;\r
+import org.simantics.layer0.utils.direct.GraphUtils.ResourceTester;\r
+\r
+/**\r
+ * @author Tuukka Lehtonen\r
+ */\r
+public class AssociativeCopyAdvisor extends GraphCopyAdvisor {\r
+\r
+    Map<ResourceTester, CopyAdvisor> advisors;\r
+\r
+    public AssociativeCopyAdvisor(Map<ResourceTester, CopyAdvisor> advisors) {\r
+        this.advisors = advisors;\r
+    }\r
+\r
+    @Override\r
+    public Evaluation canCopy(ISynchronizationContext context, WriteGraph graph, Resource source,\r
+            Resource sourceContainer, Resource targetContainer) throws DatabaseException {\r
+        for (Map.Entry<ResourceTester, CopyAdvisor> entry : advisors.entrySet()) {\r
+            if (!entry.getKey().test(graph, source))\r
+                continue;\r
+            Evaluation eval = entry.getValue().canCopy(context, source, sourceContainer, targetContainer);\r
+            if (eval == Evaluation.SUPPORTED)\r
+                return eval;\r
+        }\r
+        return Evaluation.NOT_SUPPORTED;\r
+    }\r
+\r
+    @Override\r
+    public Object copy(ISynchronizationContext context, WriteGraph graph, Resource source, Resource sourceContainer,\r
+            Resource targetContainer) throws DatabaseException {\r
+        for (Map.Entry<ResourceTester, CopyAdvisor> entry : advisors.entrySet()) {\r
+            if (!entry.getKey().test(graph, source))\r
+                continue;\r
+            Object copy = entry.getValue().copy(context, source, sourceContainer, targetContainer);\r
+            if (copy != null)\r
+                return copy;\r
+        }\r
+        return null;\r
+    }\r
+\r
+    @Override\r
+    public Object copy(ISynchronizationContext context, WriteGraph graph, Resource source, Resource sourceContainer,\r
+            Resource targetContainer, Map<Object, Object> map) throws DatabaseException {\r
+        for (Map.Entry<ResourceTester, CopyAdvisor> entry : advisors.entrySet()) {\r
+            if (!entry.getKey().test(graph, source))\r
+                continue;\r
+            Object copy = entry.getValue().copy(context, source, sourceContainer, targetContainer, map);\r
+            if (copy != null)\r
+                return copy;\r
+        }\r
+        return null;\r
+    }\r
+\r
+    @Override\r
+    public Object cut(ISynchronizationContext context, WriteGraph graph, Resource source, Resource sourceContainer,\r
+            Resource targetContainer) throws DatabaseException {\r
+        for (Map.Entry<ResourceTester, CopyAdvisor> entry : advisors.entrySet()) {\r
+            if (!entry.getKey().test(graph, source))\r
+                continue;\r
+            Object cut = entry.getValue().cut(context, source, sourceContainer, targetContainer);\r
+            if (cut != null)\r
+                return cut;\r
+        }\r
+        return null;\r
+    }\r
+\r
+}\r