1 /*******************************************************************************
2 * Copyright (c) 2007, 2010 Association for Decentralized Information Management
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
10 * VTT Technical Research Centre of Finland - initial API and implementation
11 *******************************************************************************/
12 package org.simantics.db.common.request;
14 import gnu.trove.map.hash.THashMap;
16 import java.util.Collection;
19 import org.simantics.databoard.Bindings;
20 import org.simantics.databoard.util.URIStringUtils;
21 import org.simantics.db.ReadGraph;
22 import org.simantics.db.Resource;
23 import org.simantics.db.exception.DatabaseException;
24 import org.simantics.layer0.Layer0;
25 import org.slf4j.Logger;
26 import org.slf4j.LoggerFactory;
28 public class PropertyMapOfResource extends ResourceRead<Map<String, Resource>> {
30 private static final Logger LOGGER = LoggerFactory.getLogger(PropertyMapOfResource.class);
32 public PropertyMapOfResource(Resource resource) {
37 public Map<String,Resource> perform(ReadGraph graph) throws DatabaseException {
39 Layer0 L0 = Layer0.getInstance(graph);
40 Collection<Resource> predicates = graph.getPredicates(resource);
41 THashMap<String, Resource> result = new THashMap<String, Resource>(predicates.size());
42 for(Resource predicate : predicates) {
43 if(graph.isSubrelationOf(predicate, L0.HasProperty)) {
44 String name = graph.getPossibleRelatedValue(predicate, L0.HasName, Bindings.STRING);
46 String escapedName = URIStringUtils.escape(name);
47 if (result.put(escapedName, predicate) != null)
48 LOGGER.error("The database contains siblings with the same name " + name + " (resource=$" + resource.getResourceId() +").");