Migrated source code from Simantics SVN

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

diff --git a/bundles/org.simantics.db.common/src/org/simantics/db/common/request/MappedTypedParts.java b/bundles/org.simantics.db.common/src/org/simantics/db/common/request/MappedTypedParts.java
new file mode 100644 (file)
index 0000000..4131bb6
--- /dev/null
+++ b/bundles/org.simantics.db.common/src/org/simantics/db/common/request/MappedTypedParts.java
@@ -0,0 +1,45 @@
+/*******************************************************************************\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
+public class MappedTypedParts extends ResourceRead2<Map<Resource, Resource>> {\r
+\r
+    public MappedTypedParts(Resource realization, Resource type) {\r
+        super(realization, type);\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.syncRequest(new ObjectsWithType(resource, l0.ConsistsOf, resource2))) {\r
+               Resource represents = graph.getPossibleObject(part, L0X.Represents);\r
+               if(represents != null) result.put(represents, part);\r
+        }\r
+        \r
+        return result;\r
+        \r
+    }\r
+\r
+}\r