bundles/org.simantics.db.layer0/src/org/simantics/db/layer0/migration/OntologiesFromLibrary.java

   1 /*******************************************************************************\r
   2  * Copyright (c) 2012 Association for Decentralized Information Management in\r
   3  * 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.migration;\r
  13 \r
  14 import java.util.ArrayList;\r
  15 import java.util.List;\r
  16 \r
  17 import org.simantics.db.ReadGraph;\r
  18 import org.simantics.db.Resource;\r
  19 import org.simantics.db.common.request.ObjectsWithType;\r
  20 import org.simantics.db.exception.DatabaseException;\r
  21 import org.simantics.db.request.Read;\r
  22 import org.simantics.layer0.Layer0;\r
  23 \r
  24 public class OntologiesFromLibrary implements Read<List<Resource>> {\r
  25     \r
  26     Resource library;\r
  27     \r
  28     public OntologiesFromLibrary(Resource library) {\r
  29         this.library = library;\r
  30     }\r
  31 \r
  32     @Override\r
  33     public List<Resource> perform(ReadGraph graph) throws DatabaseException {\r
  34         Layer0 L0 = Layer0.getInstance(graph);\r
  35         ArrayList<Resource> result = new ArrayList<Resource>();\r
  36         for(Resource r : graph.syncRequest(new ObjectsWithType(library, L0.ConsistsOf, L0.Library))) {\r
  37             if(graph.isInstanceOf(r, L0.Ontology))\r
  38                 result.add(r);\r
  39             else\r
  40                 result.addAll(graph.syncRequest(new OntologiesFromLibrary(r)));\r
  41         }\r
  42         return result;\r
  43     }\r
  44 \r
  45 }\r