1 /*******************************************************************************
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2 * Copyright (c) 2007, 2010 Association for Decentralized Information Management
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3 * in Industry THTH ry.
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4 * All rights reserved. This program and the accompanying materials
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5 * are made available under the terms of the Eclipse Public License v1.0
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6 * which accompanies this distribution, and is available at
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7 * http://www.eclipse.org/legal/epl-v10.html
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10 * VTT Technical Research Centre of Finland - initial API and implementation
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11 *******************************************************************************/
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12 package org.simantics.db.common.request;
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14 import gnu.trove.map.hash.THashMap;
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16 import java.util.Collection;
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17 import java.util.Map;
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19 import org.simantics.databoard.Bindings;
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20 import org.simantics.databoard.util.URIStringUtils;
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21 import org.simantics.db.ReadGraph;
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22 import org.simantics.db.Resource;
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23 import org.simantics.db.exception.DatabaseException;
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24 import org.simantics.layer0.Layer0;
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26 public class PropertyMapOfResource extends ResourceRead<Map<String, Resource>> {
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28 public PropertyMapOfResource(Resource resource) {
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33 public Map<String,Resource> perform(ReadGraph graph) throws DatabaseException {
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35 Layer0 L0 = Layer0.getInstance(graph);
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36 Collection<Resource> predicates = graph.getPredicates(resource);
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37 THashMap<String, Resource> result = new THashMap<String, Resource>(predicates.size());
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38 for(Resource predicate : predicates) {
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39 if(graph.isSubrelationOf(predicate, L0.HasProperty)) {
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40 String name = graph.getPossibleRelatedValue(predicate, L0.HasName, Bindings.STRING);
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42 String escapedName = URIStringUtils.escape(name);
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43 if (result.put(escapedName, predicate) != null)
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44 System.err.println(this + ": The database contains siblings with the same name " + name + " (resource=$" + resource.getResourceId() +").");
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