1 /*******************************************************************************
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2 * Copyright (c) 2007, 2011 Association for Decentralized Information Management in
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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.modeling.subscription;
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14 import java.util.List;
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16 import org.simantics.databoard.util.Bean;
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17 import org.simantics.db.ReadGraph;
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18 import org.simantics.db.Resource;
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19 import org.simantics.db.common.request.ResourceRead;
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20 import org.simantics.db.exception.DatabaseException;
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21 import org.simantics.layer0.Layer0;
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22 import org.simantics.modeling.ModelingResources;
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25 * This query returns all subscriptions and their corersponding names.
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27 * @author toni.kalajainen
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29 public class SubscriptionsQuery extends ResourceRead<SubscriptionsQuery.SubscriptionsResult> {
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31 public static class SubscriptionsResult extends Bean {
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33 public List<Resource> resources;
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34 public List<String> names;
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36 public String[] toNames() {
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37 return names.toArray( new String[names.size()] );
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40 public String getName(Resource resource)
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42 if (resource==null) return null;
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43 for ( int i=0; i<resources.size(); i++ ) {
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44 if ( resource.equals( resources.get(i) ) ) return names.get(i);
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51 public SubscriptionsQuery(Resource resource) {
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57 public SubscriptionsResult perform(ReadGraph graph) throws DatabaseException {
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58 Layer0 L0 = Layer0.getInstance(graph);
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59 ModelingResources MOD = ModelingResources.getInstance(graph);
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61 SubscriptionsResult result = new SubscriptionsResult();
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64 for (Resource r : graph.getObjects(resource, L0.ConsistsOf)) {
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65 if ( !graph.isInstanceOf(r, MOD.Subscription) ) continue;
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66 String label = graph.getPossibleRelatedValue(r, L0.HasLabel);
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67 result.resources.add( r );
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68 result.names.add( label == null ? "" : label );
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