bundles/org.simantics.diagram/src/org/simantics/diagram/query/AnnotationTypeProperties.java

   1 /*******************************************************************************
   2  * Copyright (c) 2012 Association for Decentralized Information Management in
   3  * Industry THTH ry.
   4  * All rights reserved. This program and the accompanying materials
   5  * are made available under the terms of the Eclipse Public License v1.0
   6  * which accompanies this distribution, and is available at
   7  * http://www.eclipse.org/legal/epl-v10.html
   8  *
   9  * Contributors:
  10  *     VTT Technical Research Centre of Finland - initial API and implementation
  11  *******************************************************************************/
  12 package org.simantics.diagram.query;
  13
  14 import gnu.trove.map.hash.THashMap;
  15
  16 import java.util.Collection;
  17 import java.util.Map;
  18
  19 import org.simantics.databoard.Bindings;
  20 import org.simantics.db.ReadGraph;
  21 import org.simantics.db.Resource;
  22 import org.simantics.db.common.request.ResourceRead;
  23 import org.simantics.db.exception.DatabaseException;
  24 import org.simantics.layer0.Layer0;
  25
  26 /**
  27  * @author Tuukka Lehtonen
  28  */
  29 public class AnnotationTypeProperties extends ResourceRead<Map<String, Resource>> {
  30
  31     public AnnotationTypeProperties(Resource annotationType) {
  32         super(annotationType);
  33     }
  34
  35     @Override
  36     public Map<String, Resource> perform(ReadGraph graph) throws DatabaseException {
  37         Layer0 L0 = Layer0.getInstance(graph);
  38         Collection<Resource> children = graph.getObjects(resource, L0.ConsistsOf);
  39         Map<String, Resource> properties = new THashMap<String, Resource>(children.size());
  40         for (Resource child : children) {
  41             if (graph.isSubrelationOf(child, L0.HasProperty)) {
  42                 String name = graph.getPossibleRelatedValue2(child, L0.HasName, Bindings.STRING);
  43                 if (name != null)
  44                     properties.put(name, child);
  45             }
  46         }
  47         return properties;
  48     }
  49
  50 }