bundles/org.simantics.db.layer0/src/org/simantics/db/layer0/request/UnescapedPropertyMapOfResource.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 gnu.trove.map.hash.THashMap;
  15
  16 import java.util.Collection;
  17 import java.util.Map;
  18
  19 import org.simantics.db.ReadGraph;
  20 import org.simantics.db.Resource;
  21 import org.simantics.db.common.procedure.adapter.TransientCacheAsyncListener;
  22 import org.simantics.db.common.request.ResourceRead;
  23 import org.simantics.db.exception.DatabaseException;
  24
  25 public class UnescapedPropertyMapOfResource extends ResourceRead<Map<String, PropertyInfo>> {
  26
  27         public UnescapedPropertyMapOfResource(Resource resource) {
  28             super(resource);
  29         }
  30
  31         @Override
  32         public Map<String,PropertyInfo> perform(ReadGraph graph) throws DatabaseException {
  33
  34                 Collection<Resource> predicates = graph.getPredicates(resource);
  35         THashMap<String, PropertyInfo> result = new THashMap<String, PropertyInfo>(predicates.size());
  36                 for(Resource predicate : predicates) {
  37                         PropertyInfo info = graph.syncRequest(new PropertyInfoRequest(predicate), TransientCacheAsyncListener.<PropertyInfo>instance());
  38                         if(info != null && info.isHasProperty) {
  39                         String name = info.name;
  40                         if (result.put(name, info) != null)
  41                                 System.err.println(this + ": The database resource $" + resource.getResourceId() + " contains siblings with the same name " + name + " (resource=$" + info.predicate.getResourceId() +").");
  42                         }
  43                 }
  44                 return result;
  45
  46         }
  47
  48 }