bundles/org.simantics.db.layer0/src/org/simantics/db/layer0/service/impl/ActivationManagerImpl.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.service.impl;\r
  13 \r
  14 import java.util.ArrayList;\r
  15 import java.util.Collection;\r
  16 \r
  17 import org.simantics.db.Disposable;\r
  18 import org.simantics.db.ReadGraph;\r
  19 import org.simantics.db.RequestProcessor;\r
  20 import org.simantics.db.Resource;\r
  21 import org.simantics.db.Session;\r
  22 import org.simantics.db.exception.DatabaseException;\r
  23 import org.simantics.db.layer0.adapter.Activation;\r
  24 import org.simantics.db.layer0.service.ActivationManager;\r
  25 import org.simantics.db.request.Read;\r
  26 import org.simantics.layer0.Layer0;\r
  27 import org.simantics.operation.Layer0X;\r
  28 import org.simantics.utils.threads.logger.IThreadLogger;\r
  29 import org.simantics.utils.threads.logger.ThreadLogger;\r
  30 \r
  31 public class ActivationManagerImpl implements ActivationManager, Disposable {\r
  32 \r
  33     Session session;\r
  34     static IThreadLogger threadLogger = ThreadLogger.getInstance();\r
  35 \r
  36     public ActivationManagerImpl(Session session) {\r
  37         this.session = session;\r
  38     }\r
  39 \r
  40     @Override\r
  41     public Collection<Activation> activate(RequestProcessor processor, final Resource r) throws DatabaseException {\r
  42 \r
  43         return processor.syncRequest(new Read<Collection<Activation>>() {\r
  44 \r
  45             @Override\r
  46             public Collection<Activation> perform(ReadGraph graph) throws DatabaseException {\r
  47                 Layer0 l0 = Layer0.getInstance(graph);\r
  48                 Layer0X L0X = Layer0X.getInstance(graph);\r
  49                 ArrayList<Activation> result = new ArrayList<Activation>();\r
  50                 for(Resource activation : graph.getObjects(r, L0X.HasActivation)) {\r
  51                     Activation a = graph.adapt(activation, Activation.class);\r
  52                     a.activate(graph, r);\r
  53                     result.add(a);\r
  54                 }\r
  55                 return result;\r
  56             }\r
  57 \r
  58         });\r
  59 \r
  60     }\r
  61 \r
  62     @Override\r
  63     public void dispose() {\r
  64         session = null;\r
  65     }\r
  66 \r
  67 }\r