bundles/org.simantics.diagram/src/org/simantics/diagram/query/FlagTypeFilters.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 java.util.ArrayList;
  15 import java.util.Collection;
  16 import java.util.Collections;
  17 import java.util.List;
  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.ObjectsWithType;
  23 import org.simantics.db.common.request.ResourceRead;
  24 import org.simantics.db.exception.DatabaseException;
  25 import org.simantics.layer0.Layer0;
  26 import org.simantics.modeling.template2d.ontology.Template2dResource;
  27
  28 /**
  29  * @author Tuukka Lehtonen
  30  */
  31 public class FlagTypeFilters extends ResourceRead<List<FlagTypeFilter>> {
  32
  33     public FlagTypeFilters(Resource visual) {
  34         super(visual);
  35     }
  36
  37     @Override
  38     public List<FlagTypeFilter> perform(ReadGraph g) throws DatabaseException {
  39         Layer0 L0 = Layer0.getInstance(g);
  40         Template2dResource TEMPLATE2D = Template2dResource.getInstance(g);
  41
  42         Collection<Resource> filters = g.syncRequest(new ObjectsWithType(resource, L0.ConsistsOf, TEMPLATE2D.FlagTypeVisual_Filter));
  43         if (filters.isEmpty())
  44             return Collections.emptyList();
  45
  46         List<FlagTypeFilter> result = new ArrayList<FlagTypeFilter>(filters.size());
  47         for (Resource node : filters) {
  48             String reference = g.getPossibleRelatedValue2(node, TEMPLATE2D.FlagTypeVisual_Filter_HasProperty, Bindings.STRING);
  49             String pattern = g.getPossibleRelatedValue2(node, TEMPLATE2D.FlagTypeVisual_Filter_HasPattern, Bindings.STRING);
  50             Boolean matchRequired = g.getPossibleRelatedValue2(node, TEMPLATE2D.FlagTypeVisual_Filter_matchRequired, Bindings.BOOLEAN);
  51             result.add( new FlagTypeFilter(node, reference, pattern, matchRequired) );
  52         }
  53         return result;
  54     }
  55
  56 }