Migrated source code from Simantics SVN

[simantics/platform.git] / bundles / org.simantics.db.layer0 / src / org / simantics / db / layer0 / request / PossibleModel.java

diff --git a/bundles/org.simantics.db.layer0/src/org/simantics/db/layer0/request/PossibleModel.java b/bundles/org.simantics.db.layer0/src/org/simantics/db/layer0/request/PossibleModel.java
new file mode 100644 (file)
index 0000000..8747c26
--- /dev/null
+++ b/bundles/org.simantics.db.layer0/src/org/simantics/db/layer0/request/PossibleModel.java
@@ -0,0 +1,58 @@
+/*******************************************************************************\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.layer0.request;\r
+\r
+import java.util.Collection;\r
+\r
+import org.simantics.db.ReadGraph;\r
+import org.simantics.db.Resource;\r
+import org.simantics.db.common.request.IndexRoots;\r
+import org.simantics.db.common.request.ResourceRead;\r
+import org.simantics.db.exception.DatabaseException;\r
+import org.simantics.simulation.ontology.SimulationResource;\r
+\r
+public class PossibleModel extends ResourceRead<Resource> {\r
+\r
+    public PossibleModel(Resource resource) {\r
+        super(resource);\r
+    }\r
+\r
+    @Override\r
+    public Resource perform(ReadGraph graph) throws DatabaseException {\r
+\r
+        SimulationResource SIMU = SimulationResource.getInstance(graph);\r
+        if (graph.isInstanceOf(resource, SIMU.Model))\r
+            return resource;\r
+\r
+        Collection<Resource> result = graph.sync(new IndexRoots(resource));\r
+        if(result.size() == 1) {\r
+            Resource res = result.iterator().next(); \r
+            if (graph.isInstanceOf(res, SIMU.Model))\r
+                return res;\r
+        }\r
+        return null;\r
+        \r
+//     SimulationResource SIMU = SimulationResource.getInstance(graph);\r
+//     Layer0 L0 = Layer0.getInstance(graph);\r
+//     \r
+//        if (graph.isInstanceOf(resource, SIMU.Model))\r
+//            return resource;\r
+//        \r
+//        Resource parent = graph.getPossibleObject(resource, L0.PartOf);\r
+//        if (parent == null)\r
+//            return null;\r
+//        \r
+//        else return graph.syncRequest(new PossibleModel(parent));\r
+\r
+    }\r
+\r
+}\r