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.uri;
14 import java.util.Collection;
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.db.service.CollectionSupport;
23 import org.simantics.layer0.Layer0;
24 import org.simantics.utils.Development;
25 import org.slf4j.Logger;
26 import org.slf4j.LoggerFactory;
28 public class UnescapedChildMapOfResource extends ResourceRead<Map<String, Resource>> {
30 private static final Logger LOGGER = LoggerFactory.getLogger(UnescapedChildMapOfResource.class);
32 public UnescapedChildMapOfResource(Resource resource) {
37 public Map<String, Resource> perform(ReadGraph graph) throws DatabaseException {
38 Layer0 L0 = Layer0.getInstance(graph);
39 Collection<Resource> objects = graph.getObjects(resource, L0.ConsistsOf);
40 CollectionSupport cs = graph.getService(CollectionSupport.class);
41 Map<String,Resource> result = cs.createObjectResourceMap(String.class, objects.size());
42 for(Resource r : objects) {
43 String name = graph.getPossibleRelatedValue(r, L0.HasName, Bindings.STRING);
45 Resource old = result.put(name, r);
47 LOGGER.error("The database contains siblings with the same name " + name + " (resource=$" + resource.getResourceId() + ", child=$" + r.getResourceId() + ", previous child=$" + old.getResourceId() + ").");
49 if(Development.DEVELOPMENT)
50 LOGGER.error("The database contains a child with no unique name (resource=$" + resource.getResourceId() + ", child=$" + r.getResourceId() + ").");