Migrated source code from Simantics SVN

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

diff --git a/bundles/org.simantics.db.layer0/src/org/simantics/db/layer0/request/VariableModel.java b/bundles/org.simantics.db.layer0/src/org/simantics/db/layer0/request/VariableModel.java
new file mode 100644 (file)
index 0000000..7bcb477
--- /dev/null
+++ b/bundles/org.simantics.db.layer0/src/org/simantics/db/layer0/request/VariableModel.java
@@ -0,0 +1,41 @@
+/*******************************************************************************\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 org.simantics.db.ReadGraph;\r
+import org.simantics.db.Resource;\r
+import org.simantics.db.common.request.UnaryRead;\r
+import org.simantics.db.exception.DatabaseException;\r
+import org.simantics.db.layer0.variable.Variable;\r
+import org.simantics.simulation.ontology.SimulationResource;\r
+\r
+public class VariableModel extends UnaryRead<Variable, Resource> {\r
+\r
+    public VariableModel(Variable variable) {\r
+        super(variable);\r
+    }\r
+\r
+    @Override\r
+    public Resource perform(ReadGraph graph) throws DatabaseException {\r
+\r
+       Resource r = parameter.getPossibleRepresents(graph);\r
+       if(r != null) {\r
+               if(graph.isInstanceOf(r, SimulationResource.getInstance(graph).Model)) return r;\r
+       }\r
+       \r
+       Variable parent = parameter.getParent(graph);\r
+       if(parent != null) return graph.sync(new VariableModel(parent));\r
+       else return null;\r
+\r
+    }\r
+\r
+}\r