bundles/org.simantics.db.layer0/src/org/simantics/db/layer0/request/UnescapedMethodMapOfResource.java

   1 /*******************************************************************************
   2  * Copyright (c) 2007, 2010 Association for Decentralized Information Management
   3  * in 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.db.layer0.request;
  13
  14 import java.util.Collection;
  15 import java.util.Map;
  16
  17 import org.simantics.databoard.Bindings;
  18 import org.simantics.db.ReadGraph;
  19 import org.simantics.db.Resource;
  20 import org.simantics.db.common.request.ResourceRead;
  21 import org.simantics.db.exception.DatabaseException;
  22 import org.simantics.layer0.Layer0;
  23
  24 import gnu.trove.map.hash.THashMap;
  25
  26 public class UnescapedMethodMapOfResource extends ResourceRead<Map<String, Resource>> {
  27
  28         public UnescapedMethodMapOfResource(Resource resource) {
  29             super(resource);
  30         }
  31
  32         @Override
  33         public Map<String,Resource> perform(ReadGraph graph) throws DatabaseException {
  34
  35                 Layer0 L0 = Layer0.getInstance(graph);
  36                 Collection<Resource> predicates = graph.getPredicates(resource);
  37         THashMap<String, Resource> result = new THashMap<String, Resource>(predicates.size());
  38                 for(Resource predicate : predicates) {
  39                         if(graph.isSubrelationOf(predicate, L0.HasMethod)) {
  40                                 String name = graph.getPossibleRelatedValue(predicate, L0.HasName, Bindings.STRING);
  41                                 if(name != null) {
  42                                 if (result.put(name, predicate) != null)
  43                                         System.err.println(this + ": The database resource $" + resource.getResourceId() + " contains siblings with the same name " + name + " (resource=$" + predicate.getResourceId() +").");
  44                                 }
  45                         }
  46                 }
  47                 return result;
  48
  49         }
  50
  51 }