bundles/org.simantics.diagram/src/org/simantics/diagram/query/AnnotationTypeProperties.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.diagram.query;\r
  13 \r
  14 import gnu.trove.map.hash.THashMap;\r
  15 \r
  16 import java.util.Collection;\r
  17 import java.util.Map;\r
  18 \r
  19 import org.simantics.databoard.Bindings;\r
  20 import org.simantics.db.ReadGraph;\r
  21 import org.simantics.db.Resource;\r
  22 import org.simantics.db.common.request.ResourceRead;\r
  23 import org.simantics.db.exception.DatabaseException;\r
  24 import org.simantics.layer0.Layer0;\r
  25 \r
  26 /**\r
  27  * @author Tuukka Lehtonen\r
  28  */\r
  29 public class AnnotationTypeProperties extends ResourceRead<Map<String, Resource>> {\r
  30 \r
  31     public AnnotationTypeProperties(Resource annotationType) {\r
  32         super(annotationType);\r
  33     }\r
  34 \r
  35     @Override\r
  36     public Map<String, Resource> perform(ReadGraph graph) throws DatabaseException {\r
  37         Layer0 L0 = Layer0.getInstance(graph);\r
  38         Collection<Resource> children = graph.getObjects(resource, L0.ConsistsOf);\r
  39         Map<String, Resource> properties = new THashMap<String, Resource>(children.size());\r
  40         for (Resource child : children) {\r
  41             if (graph.isSubrelationOf(child, L0.HasProperty)) {\r
  42                 String name = graph.getPossibleRelatedValue2(child, L0.HasName, Bindings.STRING);\r
  43                 if (name != null)\r
  44                     properties.put(name, child);\r
  45             }\r
  46         }\r
  47         return properties;\r
  48     }\r
  49 \r
  50 }\r