Migrated source code from Simantics SVN

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

diff --git a/bundles/org.simantics.db.layer0/src/org/simantics/db/layer0/request/PossibleActiveVariableFromURI.java b/bundles/org.simantics.db.layer0/src/org/simantics/db/layer0/request/PossibleActiveVariableFromURI.java
new file mode 100644 (file)
index 0000000..64bc6f8
--- /dev/null
+++ b/bundles/org.simantics.db.layer0/src/org/simantics/db/layer0/request/PossibleActiveVariableFromURI.java
@@ -0,0 +1,68 @@
+/*******************************************************************************\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.exception.DebugException;\r
+import org.simantics.db.common.request.BinaryRead;\r
+import org.simantics.db.exception.AdaptionException;\r
+import org.simantics.db.exception.DatabaseException;\r
+import org.simantics.db.exception.ResourceNotFoundException;\r
+import org.simantics.db.layer0.exception.MissingVariableException;\r
+import org.simantics.db.layer0.variable.Variable;\r
+\r
+public class PossibleActiveVariableFromURI extends BinaryRead<Resource, String, Variable> {\r
+\r
+    public PossibleActiveVariableFromURI(Resource model, String uri) {\r
+        super(model, uri);\r
+    }\r
+\r
+    @Override\r
+    public Variable perform(ReadGraph graph) throws DatabaseException {\r
+        try {\r
+               String valuationName = null;\r
+            \r
+            Resource model = parameter;\r
+            if (model == null) return null;\r
+\r
+               String valuation = graph.syncRequest(new PossibleActiveExperimentPath(model));\r
+               if(valuation != null) valuationName = valuation;\r
+\r
+            if (valuationName == null) {\r
+                valuationName = "/BaseRealization";\r
+            }\r
+\r
+            Variable modelVariable = graph.adapt(model, Variable.class);\r
+            Variable experimentVariable = modelVariable.browse(graph, valuationName+parameter2);\r
+            return experimentVariable;            \r
+        } catch (MissingVariableException e) {\r
+            if (DebugException.DEBUG)\r
+                e.printStackTrace();\r
+            return null;\r
+        } catch (ResourceNotFoundException e) {\r
+            if (DebugException.DEBUG)\r
+                e.printStackTrace();\r
+            return null;\r
+        } catch (AdaptionException e) {\r
+            if (DebugException.DEBUG)\r
+                e.printStackTrace();\r
+            return null;\r
+        } catch (Throwable e) {\r
+            if (DebugException.DEBUG)\r
+                e.printStackTrace();\r
+            return null;\r
+        }\r
+\r
+    }\r
+\r
+}\r