Fixed multiple issues causing dangling references to discarded queries

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

diff --git a/bundles/org.simantics.db.common/src/org/simantics/db/common/request/MappedParts.java b/bundles/org.simantics.db.common/src/org/simantics/db/common/request/MappedParts.java
index 5fa20d2dc66c4eb964384726dd1d42863eb77ca9..d752148e85050d98b95bb23a7d5a14f8df5d1f1d 100644 (file)
--- a/bundles/org.simantics.db.common/src/org/simantics/db/common/request/MappedParts.java
+++ b/bundles/org.simantics.db.common/src/org/simantics/db/common/request/MappedParts.java
@@ -1,52 +1,52 @@
-/*******************************************************************************\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 java.util.HashMap;\r
-import java.util.Map;\r
-\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
-import org.simantics.operation.Layer0X;\r
-\r
-/**\r
- * Given an input resource that consists of resources representing other\r
- * resources, return a map: represented resource -> representing resource.\r
- * \r
- * @author Antti Villberg\r
- */\r
-public class MappedParts extends ResourceRead<Map<Resource, Resource>> {\r
-\r
-    public MappedParts(Resource flat) {\r
-        super(flat);\r
-    }\r
-\r
-    @Override\r
-    public Map<Resource, Resource> perform(ReadGraph graph) throws DatabaseException {\r
-\r
-        Layer0 l0 = Layer0.getInstance(graph);\r
-        Layer0X L0X = Layer0X.getInstance(graph);\r
-        Map<Resource, Resource> result = new HashMap<Resource, Resource>();\r
-\r
-        for (Resource part : graph.getObjects(resource, l0.ConsistsOf)) {\r
-            Resource represents = graph.getPossibleObject(part, L0X.Represents);\r
-            if (represents != null)\r
-                result.put(represents, part);\r
-        }\r
-\r
-        return result;\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 java.util.HashMap;
+import java.util.Map;
+
+import org.simantics.db.ReadGraph;
+import org.simantics.db.Resource;
+import org.simantics.db.exception.DatabaseException;
+import org.simantics.layer0.Layer0;
+import org.simantics.operation.Layer0X;
+
+/**
+ * Given an input resource that consists of resources representing other
+ * resources, return a map: represented resource -> representing resource.
+ * 
+ * @author Antti Villberg
+ */
+public class MappedParts extends ResourceRead<Map<Resource, Resource>> {
+
+    public MappedParts(Resource flat) {
+        super(flat);
+    }
+
+    @Override
+    public Map<Resource, Resource> perform(ReadGraph graph) throws DatabaseException {
+
+        Layer0 l0 = Layer0.getInstance(graph);
+        Layer0X L0X = Layer0X.getInstance(graph);
+        Map<Resource, Resource> result = new HashMap<Resource, Resource>();
+
+        for (Resource part : graph.getObjects(resource, l0.ConsistsOf)) {
+            Resource represents = graph.getPossibleObject(part, L0X.Represents);
+            if (represents != null)
+                result.put(represents, part);
+        }
+
+        return result;
+
+    }
+
+}