Fixed multiple issues causing dangling references to discarded queries

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

diff --git a/bundles/org.simantics.db.common/src/org/simantics/db/common/request/PossibleTag.java b/bundles/org.simantics.db.common/src/org/simantics/db/common/request/PossibleTag.java
index 9265074c62d99233a46bc36ff0d70f09755447dd..855eadb2ca44f06d7c9c088d832aec8c10abbcba 100644 (file)
--- a/bundles/org.simantics.db.common/src/org/simantics/db/common/request/PossibleTag.java
+++ b/bundles/org.simantics.db.common/src/org/simantics/db/common/request/PossibleTag.java
@@ -1,48 +1,48 @@
-/*******************************************************************************\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.db.AsyncReadGraph;\r
-import org.simantics.db.Resource;\r
-import org.simantics.db.Statement;\r
-import org.simantics.db.procedure.AsyncProcedure;\r
-\r
-final public class PossibleTag extends ResourceAsyncRead2<Resource> {\r
-\r
-    public PossibleTag(Resource resource, Resource predicate) {\r
-        super(resource, predicate);\r
-    }\r
-\r
-    @Override\r
-    public void perform(AsyncReadGraph graph, final AsyncProcedure<Resource> procedure) {\r
-        \r
-        graph.forPossibleStatement(resource, resource2, new AsyncProcedure<Statement>() {\r
-\r
-                       @Override\r
-                       public void execute(AsyncReadGraph graph, Statement result) {\r
-                           if(result == null)\r
-                               procedure.execute(graph, null);\r
-                           else \r
-                    procedure.execute(graph, result.getPredicate());\r
-                               \r
-                       }\r
-\r
-                       @Override\r
-                       public void exception(AsyncReadGraph graph, Throwable t) {\r
-                               procedure.exception(graph, t);\r
-                       }\r
-               \r
-        });\r
-        \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.db.AsyncReadGraph;
+import org.simantics.db.Resource;
+import org.simantics.db.Statement;
+import org.simantics.db.procedure.AsyncProcedure;
+
+final public class PossibleTag extends ResourceAsyncRead2<Resource> {
+
+    public PossibleTag(Resource resource, Resource predicate) {
+        super(resource, predicate);
+    }
+
+    @Override
+    public void perform(AsyncReadGraph graph, final AsyncProcedure<Resource> procedure) {
+        
+        graph.forPossibleStatement(resource, resource2, new AsyncProcedure<Statement>() {
+
+                       @Override
+                       public void execute(AsyncReadGraph graph, Statement result) {
+                           if(result == null)
+                               procedure.execute(graph, null);
+                           else 
+                    procedure.execute(graph, result.getPredicate());
+                               
+                       }
+
+                       @Override
+                       public void exception(AsyncReadGraph graph, Throwable t) {
+                               procedure.exception(graph, t);
+                       }
+               
+        });
+        
+    }
+
+}