X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=blobdiff_plain;f=bundles%2Forg.simantics.db.layer0%2Fsrc%2Forg%2Fsimantics%2Fdb%2Flayer0%2Frequest%2FVariableModel.java;fp=bundles%2Forg.simantics.db.layer0%2Fsrc%2Forg%2Fsimantics%2Fdb%2Flayer0%2Frequest%2FVariableModel.java;h=7bcb4776eaa802cd686c19da41e8e2f6d2ccf1bf;hb=969bd23cab98a79ca9101af33334000879fb60c5;hp=0000000000000000000000000000000000000000;hpb=866dba5cd5a3929bbeae85991796acb212338a08;p=simantics%2Fplatform.git

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
index 000000000..7bcb4776e
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+++ b/bundles/org.simantics.db.layer0/src/org/simantics/db/layer0/request/VariableModel.java
@@ -0,0 +1,41 @@
+/*******************************************************************************
+ * 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.db.layer0.request;
+
+import org.simantics.db.ReadGraph;
+import org.simantics.db.Resource;
+import org.simantics.db.common.request.UnaryRead;
+import org.simantics.db.exception.DatabaseException;
+import org.simantics.db.layer0.variable.Variable;
+import org.simantics.simulation.ontology.SimulationResource;
+
+public class VariableModel extends UnaryRead<Variable, Resource> {
+
+    public VariableModel(Variable variable) {
+        super(variable);
+    }
+
+    @Override
+    public Resource perform(ReadGraph graph) throws DatabaseException {
+
+    	Resource r = parameter.getPossibleRepresents(graph);
+    	if(r != null) {
+    		if(graph.isInstanceOf(r, SimulationResource.getInstance(graph).Model)) return r;
+    	}
+    	
+    	Variable parent = parameter.getParent(graph);
+    	if(parent != null) return graph.sync(new VariableModel(parent));
+    	else return null;
+
+    }
+
+}