Migrated source code from Simantics SVN

[simantics/platform.git] / bundles / org.simantics.db.layer0 / src / org / simantics / db / layer0 / adapter / impl / TrashBinRemover.java

diff --git a/bundles/org.simantics.db.layer0/src/org/simantics/db/layer0/adapter/impl/TrashBinRemover.java b/bundles/org.simantics.db.layer0/src/org/simantics/db/layer0/adapter/impl/TrashBinRemover.java
new file mode 100644 (file)
index 0000000..00cc125
--- /dev/null
+++ b/bundles/org.simantics.db.layer0/src/org/simantics/db/layer0/adapter/impl/TrashBinRemover.java
@@ -0,0 +1,50 @@
+/*******************************************************************************\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.layer0.adapter.impl;\r
+\r
+import org.simantics.db.Resource;\r
+import org.simantics.db.WriteGraph;\r
+import org.simantics.db.common.utils.NameUtils;\r
+import org.simantics.db.exception.DatabaseException;\r
+import org.simantics.db.layer0.internal.SimanticsInternal;\r
+import org.simantics.db.layer0.util.Layer0Utils;\r
+import org.simantics.layer0.Layer0;\r
+\r
+/**\r
+ * @author Antti Villberg\r
+ */\r
+public class TrashBinRemover extends AbstractRemover {\r
+\r
+    public TrashBinRemover(Resource resource) {\r
+        super(resource);\r
+    }\r
+\r
+    @Override\r
+    public void remove(final WriteGraph graph) throws DatabaseException {\r
+\r
+       Layer0 L0 = Layer0.getInstance(graph);\r
+       \r
+       Resource project = SimanticsInternal.getProject();\r
+       Resource parent = graph.getSingleObject(project, L0.PartOf);\r
+       Resource trashBin = Layer0Utils.getPossibleChild(graph, parent, "TrashBin");\r
+       if(trashBin == null) throw new DatabaseException("TrashBin resource could not be located.");\r
+       \r
+        String oldName = graph.getPossibleRelatedValue2(resource, L0.HasName);\r
+        if (oldName != null) {\r
+            String newName = NameUtils.findFreshName(graph, oldName, trashBin);\r
+            graph.claimLiteral(resource, L0.HasName, newName);\r
+        }\r
+       graph.deny(resource, L0.PartOf);\r
+       graph.claim(trashBin, L0.ConsistsOf, L0.PartOf, resource);\r
+    }\r
+\r
+}\r