-/*******************************************************************************\r
- * Copyright (c) 2007, 2011 Association for Decentralized Information Management in\r
- * 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.modeling.subscription;\r
-\r
-import org.simantics.databoard.Databoard;\r
-import org.simantics.databoard.binding.Binding;\r
-import org.simantics.db.ReadGraph;\r
-import org.simantics.db.Resource;\r
-import org.simantics.db.common.request.UniqueRead;\r
-import org.simantics.db.exception.DatabaseException;\r
-import org.simantics.db.layer0.variable.RVI;\r
-import org.simantics.layer0.Layer0;\r
-import org.simantics.modeling.ModelingResources;\r
-\r
-/**\r
- * This query finds subscription items by variable reference\r
- * \r
- * @author toni.kalajainen\r
- */\r
-public class FindSubscriptionItem extends UniqueRead<Resource> {\r
-\r
- Resource subscription;\r
- RVI rvi;\r
- \r
- public FindSubscriptionItem(Resource subscription, RVI rvi) {\r
- super();\r
- this.subscription = subscription;\r
- this.rvi = rvi;\r
- }\r
-\r
- @Override\r
- public Resource perform(ReadGraph graph) throws DatabaseException {\r
- Layer0 L0 = Layer0.getInstance(graph);\r
- ModelingResources MOD = ModelingResources.getInstance(graph);\r
-\r
- Binding rviBinding = graph.getService(Databoard.class).getBindingUnchecked( RVI.class );\r
- for (Resource r : graph.getObjects(subscription, L0.ConsistsOf))\r
- {\r
- if ( !graph.isInstanceOf(r, MOD.Subscription_Item) ) continue;\r
- \r
- RVI _rvi = (RVI) graph.getPossibleRelatedValue(r, MOD.Subscription_Item_VariableId, rviBinding);\r
- if (_rvi.equals(rvi)) return r;\r
- }\r
-\r
- return null;\r
- }\r
- \r
- @Override\r
- public int hashCode() {\r
- return rvi.hashCode() + subscription.hashCode();\r
- }\r
-\r
- @Override\r
- public boolean equals(Object object) {\r
- if (this == object) return true;\r
- if (object == null) return false;\r
- if (getClass() != object.getClass()) return false;\r
- FindSubscriptionItem r = (FindSubscriptionItem) object;\r
- \r
- return subscription.equals(r.subscription) && rvi.equals(r.rvi);\r
- }\r
- \r
-\r
-\r
-}\r
+/*******************************************************************************
+ * Copyright (c) 2007, 2011 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.modeling.subscription;
+
+import org.simantics.databoard.Databoard;
+import org.simantics.databoard.binding.Binding;
+import org.simantics.db.ReadGraph;
+import org.simantics.db.Resource;
+import org.simantics.db.common.request.UniqueRead;
+import org.simantics.db.exception.DatabaseException;
+import org.simantics.db.layer0.variable.RVI;
+import org.simantics.layer0.Layer0;
+import org.simantics.modeling.ModelingResources;
+
+/**
+ * This query finds subscription items by variable reference
+ *
+ * @author toni.kalajainen
+ */
+public class FindSubscriptionItem extends UniqueRead<Resource> {
+
+ Resource subscription;
+ RVI rvi;
+
+ public FindSubscriptionItem(Resource subscription, RVI rvi) {
+ super();
+ this.subscription = subscription;
+ this.rvi = rvi;
+ }
+
+ @Override
+ public Resource perform(ReadGraph graph) throws DatabaseException {
+ Layer0 L0 = Layer0.getInstance(graph);
+ ModelingResources MOD = ModelingResources.getInstance(graph);
+
+ Binding rviBinding = graph.getService(Databoard.class).getBindingUnchecked( RVI.class );
+ for (Resource r : graph.getObjects(subscription, L0.ConsistsOf))
+ {
+ if ( !graph.isInstanceOf(r, MOD.Subscription_Item) ) continue;
+
+ RVI _rvi = (RVI) graph.getPossibleRelatedValue(r, MOD.Subscription_Item_VariableId, rviBinding);
+ if (_rvi.equals(rvi)) return r;
+ }
+
+ return null;
+ }
+
+ @Override
+ public int hashCode() {
+ return rvi.hashCode() + subscription.hashCode();
+ }
+
+ @Override
+ public boolean equals(Object object) {
+ if (this == object) return true;
+ if (object == null) return false;
+ if (getClass() != object.getClass()) return false;
+ FindSubscriptionItem r = (FindSubscriptionItem) object;
+
+ return subscription.equals(r.subscription) && rvi.equals(r.rvi);
+ }
+
+
+
+}