bundles/org.simantics.db.layer0/src/org/simantics/db/layer0/adapter/impl/TGRemover.java

   1 /*******************************************************************************\r
   2  * Copyright (c) 2007, 2010 Association for Decentralized Information Management\r
   3  * in Industry THTH ry.\r
   4  * All rights reserved. This program and the accompanying materials\r
   5  * are made available under the terms of the Eclipse Public License v1.0\r
   6  * which accompanies this distribution, and is available at\r
   7  * http://www.eclipse.org/legal/epl-v10.html\r
   8  *\r
   9  * Contributors:\r
  10  *     VTT Technical Research Centre of Finland - initial API and implementation\r
  11  *******************************************************************************/\r
  12 package org.simantics.db.layer0.adapter.impl;\r
  13 \r
  14 import org.eclipse.core.runtime.IProgressMonitor;\r
  15 import org.simantics.db.Resource;\r
  16 import org.simantics.db.WriteGraph;\r
  17 import org.simantics.db.exception.DatabaseException;\r
  18 import org.simantics.db.layer0.util.ModelTransferableGraphSource;\r
  19 import org.simantics.db.layer0.util.ModelTransferableGraphSourceRequest;\r
  20 import org.simantics.db.layer0.util.TransferableGraphConfiguration2;\r
  21 import org.simantics.db.service.SerialisationSupport;\r
  22 import org.simantics.graph.db.TransferableGraphSource.TransferableGraphSourceProcedure;\r
  23 \r
  24 /**\r
  25  * @author Tuukka Lehtonen\r
  26  */\r
  27 public class TGRemover extends AbstractRemover {\r
  28 \r
  29     @SuppressWarnings("unused")\r
  30     private IProgressMonitor monitor;\r
  31 \r
  32     public TGRemover(Resource resource) {\r
  33         super(resource);\r
  34     }\r
  35 \r
  36     public TGRemover(IProgressMonitor monitor, Resource resource) {\r
  37         super(resource);\r
  38         this.monitor = monitor;\r
  39     }\r
  40 \r
  41     @Override\r
  42     public void remove(final WriteGraph graph) throws DatabaseException {\r
  43         \r
  44         TransferableGraphConfiguration2 conf = new TransferableGraphConfiguration2(graph, resource);\r
  45         conf.values = false;\r
  46         ModelTransferableGraphSource source = graph.syncRequest(new ModelTransferableGraphSourceRequest(conf));\r
  47         final SerialisationSupport ss = graph.getService(SerialisationSupport.class);\r
  48         \r
  49         try {\r
  50                         source.forResourceStatements(graph, new TransferableGraphSourceProcedure<int[]>() {\r
  51                                 \r
  52                                 @Override\r
  53                                 public void execute(int[] value) throws Exception {\r
  54                                         Resource s = ss.getResource(value[0]);\r
  55                                         Resource p = ss.getResource(value[1]);\r
  56                                         Resource i = null;\r
  57                                         if(value[2] != -1) i = ss.getResource(value[2]);\r
  58                                         Resource o = ss.getResource(value[3]);\r
  59                                         \r
  60 //                                      System.err.println("s=" + s + " p=" + graph.getPossibleURI(p) + " o=" + o + " p:" + p + " i:" + i);\r
  61                                         \r
  62                                         graph.deny(s,p,i,o);\r
  63                                 }\r
  64                                 \r
  65                         });\r
  66                         \r
  67                         source.forValueResources(graph, new TransferableGraphSourceProcedure<int[]>() {\r
  68                                 \r
  69                                 @Override\r
  70                                 public void execute(int[] value) throws Exception {\r
  71                                         Resource s = ss.getResource(value[0]);\r
  72 //                                      System.err.println("s=" + s + " p=" + graph.getPossibleURI(p) + " o=" + o + " " + i);\r
  73                                         graph.denyValue(s);\r
  74                                 }\r
  75                                 \r
  76                         });\r
  77                         \r
  78                         source.closeStreams();\r
  79                         \r
  80                 } catch (Exception e) {\r
  81                         throw new DatabaseException(e);\r
  82                 }\r
  83         \r
  84     }\r
  85 \r
  86 }\r