bundles/org.simantics.db.layer0/src/org/simantics/db/layer0/request/NamespaceRequirements.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.request;\r
  13 \r
  14 import org.simantics.db.ReadGraph;\r
  15 import org.simantics.db.Resource;\r
  16 import org.simantics.db.common.request.ObjectsWithType;\r
  17 import org.simantics.db.common.request.ResourceMultiRead;\r
  18 import org.simantics.db.exception.DatabaseException;\r
  19 import org.simantics.db.procedure.AsyncMultiProcedure;\r
  20 import org.simantics.layer0.Layer0;\r
  21 import org.simantics.project.ontology.ProjectResource;\r
  22 \r
  23 /**\r
  24  * @author Tuukka Lehtonen\r
  25  */\r
  26 public class NamespaceRequirements extends ResourceMultiRead<Resource> {\r
  27 \r
  28     public NamespaceRequirements(Resource project) {\r
  29         super(project);\r
  30     }\r
  31 \r
  32     @Override\r
  33     public void perform(ReadGraph graph, AsyncMultiProcedure<Resource> callback) throws DatabaseException {\r
  34         Layer0 L0 = Layer0.getInstance(graph);\r
  35         ProjectResource PROJ = ProjectResource.getInstance(graph);\r
  36 \r
  37         for (Resource req : graph.syncRequest(new ObjectsWithType(resource, L0.IsLinkedTo, PROJ.NamespaceRequirement))) {\r
  38             callback.execute(graph, req);\r
  39         }\r
  40 \r
  41         callback.finished(graph);\r
  42     }\r
  43 \r
  44 }\r