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.layer0.utils.instantiation;
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14 import java.util.ArrayList;
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15 import java.util.List;
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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.WriteGraph;
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20 import org.simantics.db.common.utils.Literals;
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21 import org.simantics.db.common.utils.NameUtils;
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22 import org.simantics.db.exception.DatabaseException;
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25 public class Instance {
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27 public static class RelatedInstance {
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33 public Resource equals = null;
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34 public List<RelatedInstance> relatedInstances = new ArrayList<RelatedInstance>();
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35 public Object value = null;
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40 public Instance(Resource equals) {
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41 this.equals = equals;
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44 public Resource instantiate(WriteGraph graph) throws DatabaseException {
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47 Resource ret = graph.newResource();
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48 for(RelatedInstance instance : relatedInstances)
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49 for(int i=0;i<instance.cardinality;++i)
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50 graph.claim(ret, instance.relation,
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51 instance.instance.instantiate(graph));
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53 graph.claimValue(ret, value);
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57 public Resource instantiateUsing(WriteGraph graph, Resource resource) throws DatabaseException {
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60 Resource ret = resource;
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61 for(RelatedInstance instance : relatedInstances)
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62 for(int i=0;i<instance.cardinality;++i)
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63 graph.claim(ret, instance.relation,
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64 instance.instance.instantiate(graph));
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66 graph.claimValue(ret, value);
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70 public void print(StringBuilder builder, int indentation, ReadGraph graph) throws DatabaseException {
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72 if(equals != null) {
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73 builder.append(NameUtils.getSafeName(graph, equals));
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77 builder.append(Literals.literalToString(value));
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78 builder.append(" : ");
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81 builder.append("* : ");
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82 // boolean first = true;
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84 for(RelatedInstance instance : relatedInstances) {
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85 builder.append("\n");
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86 for(int i=0;i<indentation;++i)
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87 builder.append(" ");
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88 builder.append(NameUtils.getSafeName(graph, instance.relation));
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89 if(instance.cardinality != 1)
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90 builder.append("[" + instance.cardinality + "]");
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91 builder.append(" = ");
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92 instance.instance.print(builder, indentation, graph);
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98 public String toString(ReadGraph graph) throws DatabaseException {
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99 StringBuilder builder = new StringBuilder();
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100 print(builder, 0, graph);
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101 return builder.toString();
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