Fixed multiple issues causing dangling references to discarded queries

[simantics/platform.git] / bundles / org.simantics.db.common / src / org / simantics / db / common / request / PropertyDataType.java

diff --git a/bundles/org.simantics.db.common/src/org/simantics/db/common/request/PropertyDataType.java b/bundles/org.simantics.db.common/src/org/simantics/db/common/request/PropertyDataType.java
index a38f718e8b92e343e94609e68beb634ff4bfd356..38c222c8b3108b40f13e6056feb0b57c8259d3a9 100644 (file)
--- a/bundles/org.simantics.db.common/src/org/simantics/db/common/request/PropertyDataType.java
+++ b/bundles/org.simantics.db.common/src/org/simantics/db/common/request/PropertyDataType.java
@@ -1,35 +1,35 @@
-/*******************************************************************************\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.common.request;\r
-\r
-import org.simantics.databoard.Bindings;\r
-import org.simantics.databoard.type.Datatype;\r
-import org.simantics.db.ReadGraph;\r
-import org.simantics.db.Resource;\r
-import org.simantics.db.exception.DatabaseException;\r
-import org.simantics.layer0.Layer0;\r
-\r
-public class PropertyDataType extends ResourceRead2<Datatype> {\r
-\r
-       public PropertyDataType(Resource resource, Resource property) {\r
-               super(resource, property);\r
-       }\r
-\r
-       @Override\r
-       public Datatype perform(ReadGraph graph) throws DatabaseException {\r
-               Layer0 l0 = Layer0.getInstance(graph);\r
-               Resource value = graph.getPossibleObject(resource, resource2);\r
-               if(value == null) return null;\r
-               return graph.getPossibleRelatedValue(value, l0.HasDataType, Bindings.getBindingUnchecked(Datatype.class));\r
-       }\r
-\r
-}\r
+/*******************************************************************************
+ * 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.common.request;
+
+import org.simantics.databoard.Bindings;
+import org.simantics.databoard.type.Datatype;
+import org.simantics.db.ReadGraph;
+import org.simantics.db.Resource;
+import org.simantics.db.exception.DatabaseException;
+import org.simantics.layer0.Layer0;
+
+public class PropertyDataType extends ResourceRead2<Datatype> {
+
+       public PropertyDataType(Resource resource, Resource property) {
+               super(resource, property);
+       }
+
+       @Override
+       public Datatype perform(ReadGraph graph) throws DatabaseException {
+               Layer0 l0 = Layer0.getInstance(graph);
+               Resource value = graph.getPossibleObject(resource, resource2);
+               if(value == null) return null;
+               return graph.getPossibleRelatedValue(value, l0.HasDataType, Bindings.getBindingUnchecked(Datatype.class));
+       }
+
+}