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 * Foster Wheeler Energia Oy - initial API and implementation
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11 *******************************************************************************/
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12 package org.simantics.interop.test;
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14 import java.util.ArrayList;
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15 import java.util.Arrays;
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16 import java.util.Collection;
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17 import java.util.Collections;
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18 import java.util.Comparator;
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19 import java.util.HashMap;
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20 import java.util.HashSet;
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21 import java.util.List;
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22 import java.util.Map;
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23 import java.util.Set;
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24 import java.util.Stack;
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26 import org.simantics.db.ReadGraph;
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27 import org.simantics.db.Resource;
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28 import org.simantics.db.Session;
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29 import org.simantics.db.Statement;
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30 import org.simantics.db.common.request.ReadRequest;
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31 import org.simantics.db.common.utils.NameUtils;
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32 import org.simantics.db.exception.DatabaseException;
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33 import org.simantics.db.exception.DoesNotContainValueException;
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34 import org.simantics.db.exception.ManyObjectsForFunctionalRelationException;
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35 import org.simantics.db.exception.ServiceException;
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36 import org.simantics.db.exception.ValidationException;
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37 import org.simantics.layer0.Layer0;
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38 import org.simantics.utils.datastructures.BijectionMap;
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39 import org.simantics.utils.datastructures.MapList;
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40 import org.simantics.utils.datastructures.Pair;
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43 * Compares two subgraphs and reports differences.
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45 * Assumes that subgraphs (defined using traverse relations) are not cyclic.
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47 * Assumes that properties can be used to identify objects, if relation type is not enough.
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51 * @author Marko Luukkainen <marko.luukkainen@vtt.fi>
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54 public class GraphComparator {
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56 private Resource r1;
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57 private Resource r2;
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58 private Set<Resource> strong = new HashSet<Resource>(); // List of relations that identify object, if subject is already identified.
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59 private List<Resource> traversed = new ArrayList<Resource>(); // list of relations that are traversed (and tested)
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60 private List<Resource> tested = new ArrayList<Resource>(); // list of relations that are tested, but not traversed
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61 private List<Resource> nonTraversed = new ArrayList<Resource>(); // list of relations that are not traversed
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62 private List<Resource> nonTested = new ArrayList<Resource>(); // list of relations that are not tested
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64 private List<Statement> changes1 = new ArrayList<Statement>();
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65 private List<Statement> changes2 = new ArrayList<Statement>();
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66 private List<Pair<Statement,Statement>> modifications = new ArrayList<Pair<Statement,Statement>>();
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67 private Set<Statement> changes1Set = new HashSet<Statement>();
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68 private Set<Statement> changes2Set = new HashSet<Statement>();
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69 private Set<Pair<Statement,Statement>> modificationsSet = new HashSet<Pair<Statement,Statement>>();
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71 private BijectionMap<Statement, Statement> comparableStatements = new BijectionMap<Statement, Statement>();
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72 private BijectionMap<Resource, Resource> comparableResources = new BijectionMap<Resource, Resource>();
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73 private Set<Resource> processedResources = new HashSet<Resource>();
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75 private ResourceComparator comparator;
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77 private Comparator<Statement> scomp = new PredicateComparator();
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78 private Comparator<Resource> rcomp = new ResComparator();
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80 // runtime attributes
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82 private ReadGraph g;
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85 public GraphComparator(Resource r1, Resource r2) {
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88 comparator = new TypeComparator();
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91 public GraphComparator(Resource r1, Resource r2, ResourceComparator comparator) {
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94 this.comparator = comparator;
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97 ArrayList<Statement> ss1 = new ArrayList<Statement>();
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98 ArrayList<Statement> ss2 = new ArrayList<Statement>();
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101 public Comparator<Resource> getResourceComparator() {
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105 public Comparator<Statement> getStatementComparator() {
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109 public Resource getR1() {
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113 public Resource getR2() {
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117 public void addTraversed(Resource rel) {
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118 traversed.add(rel);
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121 public void addTraversed(Collection<Resource> rels) {
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122 traversed.addAll(rels);
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125 public void addNonTraversed(Resource rel) {
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126 nonTraversed.add(rel);
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129 public void addNonTraversed(Collection<Resource> rels) {
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130 nonTraversed.addAll(rels);
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133 public void addTested(Resource rel) {
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137 public void addTested(Collection<Resource> rels) {
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138 tested.addAll(rels);
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141 public void addNonTested(Resource rel) {
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142 nonTested.add(rel);
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145 public void addNonTested(Collection<Resource> rels) {
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146 nonTested.addAll(rels);
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149 public void addComparableResources(Resource r1, Resource r2) {
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150 comparableResources.map(r1, r2);
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153 public void addComparableResources(BijectionMap<Resource, Resource> matching) {
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154 comparableResources.addAll(matching);
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157 public void addStrong(Resource r) {
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161 public void addStrong(Collection<Resource> rels) {
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162 strong.addAll(rels);
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166 public void test(ReadGraph g) throws DatabaseException {
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168 this.b = Layer0.getInstance(g);
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169 comparator.setComparator(this);
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171 Stack<Resource> objectsLeft = new Stack<Resource>();
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172 Stack<Resource> objectsRight = new Stack<Resource>();
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173 objectsLeft.push(r1);
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174 objectsRight.push(r2);
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176 Set<Statement> unreliableLeft = new HashSet<Statement>();
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177 Set<Statement> unreliableRight = new HashSet<Statement>();
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180 if (objectsLeft.isEmpty())
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184 // process compares objects that are identified and searches for more resources to process.
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185 process(objectsLeft, objectsRight, unreliableLeft, unreliableRight);
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186 // process unreliable handles cases where unidentified statements subject and object have been identified
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187 processUnreliable(unreliableLeft, unreliableRight);
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188 // process unreliable handles cases where unidentified resources have path of length one to identified resource
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189 processUnreliable(unreliableLeft, unreliableRight,objectsLeft,objectsRight);
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190 if (objectsLeft.isEmpty() && unreliableLeft.size() > 0 && unreliableRight.size() > 0) {
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191 // comparison is ending, but we have still unprocessed unidentified resources left.
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192 // These cases have longer path than one to identified objects.
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193 processUnreliableDeep(unreliableLeft, unreliableRight, objectsLeft, objectsRight);
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197 for (Statement s : unreliableLeft) {
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198 if (!comparableStatements.containsLeft(s))
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201 for (Statement s : unreliableRight) {
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202 if (!comparableStatements.containsRight(s))
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209 public void test(Session session) throws DatabaseException {
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211 comparator.setComparator(this);
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213 final Stack<Resource> objectsLeft = new Stack<Resource>();
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214 final Stack<Resource> objectsRight = new Stack<Resource>();
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215 objectsLeft.push(r1);
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216 objectsRight.push(r2);
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218 final Set<Statement> unreliableLeft = new HashSet<Statement>();
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219 final Set<Statement> unreliableRight = new HashSet<Statement>();
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222 if (objectsLeft.isEmpty())
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224 session.syncRequest(new ReadRequest() {
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227 public void run(ReadGraph graph) throws DatabaseException {
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229 b = Layer0.getInstance(graph);
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230 // process compares objects that are identified and searches for more resources to process.
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231 process(objectsLeft, objectsRight, unreliableLeft, unreliableRight);
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232 // process unreliable handles cases where unidentified statements subject and object have been identified
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233 processUnreliable(unreliableLeft, unreliableRight);
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234 // process unreliable handles cases where unidentified resources have path of length one to identified resource
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235 processUnreliable(unreliableLeft, unreliableRight,objectsLeft,objectsRight);
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236 if (objectsLeft.isEmpty() && unreliableLeft.size() > 0 && unreliableRight.size() > 0) {
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237 // comparison is ending, but we have still unprocessed unidentified resources left.
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238 // These cases have longer path than one to identified objects.
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239 processUnreliableDeep(unreliableLeft, unreliableRight, objectsLeft, objectsRight);
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247 for (Statement s : unreliableLeft) {
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248 if (!comparableStatements.containsLeft(s))
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251 for (Statement s : unreliableRight) {
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252 if (!comparableStatements.containsRight(s))
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259 private void process(Stack<Resource> objectsLeft, Stack<Resource> objectsRight, Set<Statement> unreliableLeft, Set<Statement> unreliableRight) throws DatabaseException {
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260 List<Statement> ss1 = new ArrayList<Statement>();
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261 List<Statement> ss2 = new ArrayList<Statement>();
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263 while (!objectsLeft.isEmpty()) {
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264 Resource r1 = objectsLeft.pop();
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265 Resource r2 = objectsRight.pop();
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270 if (processedResources.contains(r1))
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272 processedResources.add(r1);
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275 if(!comparableResources.contains(r1, r2) && (comparableResources.containsLeft(r1)||comparableResources.containsRight(r2))) {
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276 throw new DatabaseException("Comparator error: Trying to map " + r1 + " to " + r2 + " while mappings " + r1 + " to " + comparableResources.getRight(r1) + " and " + comparableResources.getLeft(r2) + " to " + r2 + " exist.");
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279 //System.out.println("test " + NameUtils.getSafeName(g, r1) + " " + NameUtils.getSafeName(g, r2));
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280 compareProps(r1, r2);
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282 for (Resource rel : tested) {
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283 ss1.addAll(g.getStatements(r1, rel));
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284 ss2.addAll(g.getStatements(r2, rel));
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285 ss1 = filterAsserted(r1, ss1);
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286 ss2 = filterAsserted(r2, ss2);
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287 ss1 = filterTraversed(ss1);
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288 ss2 = filterTraversed(ss2);
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289 ss1 = filterNonTested(ss1);
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290 ss2 = filterNonTested(ss2);
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292 compareStatements(ss1, ss2, null, null,null,null);
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297 for (Resource rel : traversed) {
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298 ss1.addAll(g.getStatements(r1, rel));
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299 ss2.addAll(g.getStatements(r2, rel));
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300 ss1 = filterAsserted(r1, ss1);
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301 ss2 = filterAsserted(r2, ss2);
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302 compareStatements(ss1, ss2, objectsLeft, objectsRight,unreliableLeft,unreliableRight);
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310 private void processUnreliable(Set<Statement> unreliableLeft, Set<Statement> unreliableRight) {
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311 MapList<Resource,Statement> subjectLeft = new MapList<Resource, Statement>();
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312 MapList<Resource,Statement> subjectRight = new MapList<Resource, Statement>();
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313 MapList<Resource,Statement> objectLeft = new MapList<Resource, Statement>();
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314 MapList<Resource,Statement> objectRight = new MapList<Resource, Statement>();
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316 for (Statement s : unreliableLeft) {
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317 subjectLeft.add(s.getSubject(),s);
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318 objectLeft.add(s.getObject(),s);
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320 for (Statement s : unreliableRight) {
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321 subjectRight.add(s.getSubject(),s);
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322 objectRight.add(s.getObject(),s);
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325 for (Resource left : subjectLeft.getKeys()) {
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326 if (!comparableResources.containsLeft(left))
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328 Resource right = comparableResources.getRight(left);
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329 for (Statement leftS : subjectLeft.getValues(left)) {
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330 Resource leftO = leftS.getObject();
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331 if (!comparableResources.containsLeft(leftO))
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333 if (!unreliableLeft.contains(leftS))
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335 Resource rightO = comparableResources.getRight(leftO);
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336 for (Statement rightS : subjectRight.getValues(right)) {
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337 if (!rightS.getObject().equals(rightO))
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339 if (!unreliableRight.contains(rightS))
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341 if (leftS.getPredicate().equals(rightS.getPredicate()) ||
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342 comparableResources.contains(leftS.getPredicate(), rightS.getPredicate())) {
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343 unreliableLeft.remove(leftS);
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344 unreliableRight.remove(rightS);
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345 comparableStatements.map(leftS, rightS);
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353 private void processUnreliable(Set<Statement> unreliableLeft, Set<Statement> unreliableRight, Stack<Resource> objectsLeft, Stack<Resource> objectsRight) {
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354 MapList<Resource,Statement> subjectLeft = new MapList<Resource, Statement>();
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355 MapList<Resource,Statement> subjectRight = new MapList<Resource, Statement>();
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356 MapList<Resource,Statement> objectLeft = new MapList<Resource, Statement>();
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357 MapList<Resource,Statement> objectRight = new MapList<Resource, Statement>();
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359 for (Statement s : unreliableLeft) {
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360 subjectLeft.add(s.getSubject(),s);
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361 objectLeft.add(s.getObject(),s);
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363 for (Statement s : unreliableRight) {
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364 subjectRight.add(s.getSubject(),s);
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365 objectRight.add(s.getObject(),s);
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368 for (Resource ol : objectLeft.getKeys()) {
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369 // all statements to the left side object
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370 List<Statement> left = objectLeft.getValues(ol);
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371 // all subjects that have statements to the left side object (ol)
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372 Set<Resource> sLeft = new HashSet<Resource>();
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373 // all matching subjects on the right side
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374 Set<Resource> sRight = new HashSet<Resource>();
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375 for (Statement s : left) {
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376 sLeft.add(s.getSubject());
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377 sRight.add(comparableResources.getRight(s.getSubject()));
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380 // check if object left can be reliably identified by available statements
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381 // if there are any objects on the left side with similar statements, object left cannot be mapped.
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382 boolean hasSimilar = false;
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383 MapList<Resource, Statement> comparableOLeft = new MapList<Resource, Statement>();
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384 for (Resource sl : sLeft) {
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385 for (Statement s : subjectLeft.getValues(sl)) {
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386 if (!s.getObject().equals(ol)) {
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387 comparableOLeft.add(s.getObject(),s);
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392 for (Resource similarOl : comparableOLeft.getKeys()) {
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393 List<Statement> similarLeft = comparableOLeft.getValues(similarOl);
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394 if (similarLeft.size() == left.size()) {
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395 boolean useL[] = new boolean[left.size()];
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396 boolean useSL[] = new boolean[left.size()];
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397 for (int i = 0; i < left.size(); i++) {
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401 for (int i = 0; i < left.size(); i++) {
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402 for (int j = 0; j < left.size(); j++) {
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405 Resource pl = left.get(i).getPredicate();
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406 Resource psl = similarLeft.get(j).getPredicate();
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407 if (pl.equals(psl)) {
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414 boolean diff = false;
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415 for (int i = 0; i < left.size(); i++) {
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416 if (!useL[i] || !useSL[i]) {
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431 // all objects that subjects on the right side point to. Object left has its matching resource among these, if it has matching resource
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432 MapList<Resource,Statement> possibleOR = new MapList<Resource, Statement>();
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433 for (Resource sr : sRight) {
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434 for (Statement s : subjectRight.getValues(sr))
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435 possibleOR.add(s.getObject(),s);
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438 // filter possible right side objects to those that have same amount of statements as the left side object
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439 for (Resource or : possibleOR.getKeys().toArray(new Resource[possibleOR.getKeys().size()])) {
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440 List<Statement> right = possibleOR.getValues(or);
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441 if (right.size() != left.size())
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442 possibleOR.remove(or);
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446 // check for matching statements (comparable subjects, matching predicates)
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447 MapList<Resource,Statement> matchingOR = new MapList<Resource, Statement>(); // list of objects that have matching statements
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448 Map<Resource,Pair<int[], int[]>> matchingStatements = new HashMap<Resource, Pair<int[], int[]>>(); // matching statements
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449 for (Resource or : possibleOR.getKeys()) {
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450 List<Statement> right = possibleOR.getValues(or);
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451 int iLeft[] = new int[left.size()];
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452 int iRight[] = new int[right.size()];
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454 for (int i = 0; i < left.size(); i++) {
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459 for (int l = 0; l < left.size(); l++) {
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460 Statement ls = left.get(l);
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461 for (int r = 0; r < right.size(); r++) {
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462 if (iRight[r] >= 0)
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464 Statement rs = right.get(r);
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465 if (!comparableResources.contains(ls.getSubject(), rs.getSubject()))
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467 if (rcomp.compare(ls.getPredicate(),rs.getPredicate()) == 0) {
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475 boolean success = true;
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476 for (int i = 0; i < left.size(); i++) {
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477 if (iLeft[i] < 0) {
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481 if (iRight[i] < 0) {
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488 for (Statement s : right)
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489 matchingOR.add(or,s);
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490 matchingStatements.put(or, new Pair<int[], int[]>(iLeft, iRight));
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493 // if there is only one matching right side object, we have found a match
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494 if (matchingOR.getKeySize() == 1) {
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495 Resource or = matchingOR.getKeys().iterator().next();
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496 List<Statement> right = matchingOR.getValues(or);
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497 Pair<int[], int[]> indices = matchingStatements.get(or);
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499 comparableResources.map(ol, or);
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500 objectsLeft.add(ol);
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501 objectsRight.add(or);
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502 for (int l = 0; l < left.size(); l++) {
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503 int r = indices.first[l];
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504 Statement sl = left.get(l);
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505 Statement sr = right.get(r);
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506 addComparable(sl, sr, true);
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507 unreliableLeft.remove(sl);
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508 unreliableRight.remove(sr);
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518 private void processUnreliableDeep(Set<Statement> unreliableLeft, Set<Statement> unreliableRight, Stack<Resource> objectsLeft, Stack<Resource> objectsRight) throws ManyObjectsForFunctionalRelationException, ServiceException {
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519 MapList<Resource,Statement> subjectLeft = new MapList<Resource, Statement>();
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520 MapList<Resource,Statement> subjectRight = new MapList<Resource, Statement>();
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521 MapList<Resource,Statement> objectLeft = new MapList<Resource, Statement>();
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522 MapList<Resource,Statement> objectRight = new MapList<Resource, Statement>();
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524 for (Statement s : unreliableLeft) {
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525 subjectLeft.add(s.getSubject(),s);
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526 objectLeft.add(s.getObject(),s);
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528 for (Statement s : unreliableRight) {
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529 subjectRight.add(s.getSubject(),s);
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530 objectRight.add(s.getObject(),s);
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532 for (Resource ol : objectLeft.getKeys()) {
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533 Set<Path> pathsLeft = new HashSet<Path>();
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534 for (Resource rel : traversed) {
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535 pathsLeft.addAll(Path.create(g.getStatements(ol, rel)));
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539 if (pathsLeft.size() == 0)
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541 Collection<Path> endPaths = new ArrayList<Path>(1);
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542 for (Path p : pathsLeft) {
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543 if (comparableResources.containsLeft(p.getEnd())) {
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547 if (endPaths.size() > 0) {
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549 pathsLeft.addAll(endPaths);
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553 if (pathsLeft.size() > 0) {
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554 Resource sl = objectLeft.getValues(ol).get(0).getSubject();
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555 Resource sr = comparableResources.getRight(sl);
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556 Collection<Resource> possibleOR = new ArrayList<Resource>();
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557 for (Statement s : subjectRight.getValues(sr)) {
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558 possibleOR.add(s.getObject());
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560 Map<Resource,Set<Path>> matchingPaths = new HashMap<Resource, Set<Path>>();
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561 for (Resource or : possibleOR) {
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562 Set<Path> possiblePathsRight = new HashSet<Path>();
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563 for (Path leftPath : pathsLeft) {
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564 possiblePathsRight.addAll(findComparableRight(leftPath, or));
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566 if (possiblePathsRight.size() == pathsLeft.size()) {
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567 matchingPaths.put(or, possiblePathsRight);
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570 if (matchingPaths.size() > 0) {
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571 if (matchingPaths.size() == 1) {
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572 Resource or = matchingPaths.keySet().iterator().next();
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573 objectsLeft.add(ol);
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574 objectsRight.add(or);
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575 comparableResources.map(ol, or);
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576 Collection<Statement> statementsLeft = objectLeft.getValues(ol);
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577 Collection<Statement> statementsRight = objectRight.getValues(or);
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578 unreliableLeft.removeAll(statementsLeft);
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579 unreliableRight.removeAll(statementsRight);
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580 System.out.println("Compare not implemented");
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582 System.out.println("Compare not implemented");
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591 private void expand(Set<Path> paths) throws ManyObjectsForFunctionalRelationException, ServiceException {
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592 Set<Path> stepPathsLeft = new HashSet<Path>();
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593 if (paths.size() == 0)
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595 int length = paths.iterator().next().getLength() + 1;
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596 for (Path p : paths) {
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597 for (Resource rel : traversed) {
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598 stepPathsLeft.addAll(Path.expand(p,g.getStatements(p.getEnd(), rel)));
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602 for (Path p : stepPathsLeft) {
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603 if (p.getLength() == length)
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608 private Collection<Path> findComparableRight(Path leftPath, Resource beginRight) throws ManyObjectsForFunctionalRelationException, ServiceException {
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609 Set<Path> rightPaths = new HashSet<Path>();
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610 rightPaths.addAll(Path.create(g.getStatements(beginRight, getRight(leftPath.getStatements().get(0).getPredicate()))));
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611 for (int i = 1; i < leftPath.getLength(); i++) {
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612 if (rightPaths.size() == 0)
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614 Set<Path> stepPaths = new HashSet<Path>();
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615 for (Path p : rightPaths) {
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616 stepPaths.addAll(Path.expand(p, g.getStatements(p.getEnd(), getRight(leftPath.getStatements().get(i).getPredicate()))));
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618 rightPaths.clear();
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619 for (Path p : stepPaths)
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620 if (p.getLength() == i+1)
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627 private Resource getRight(Resource r) {
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628 if (comparableResources.containsLeft(r))
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629 return comparableResources.getRight(r);
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635 public BijectionMap<Statement, Statement> getComparableStatements() {
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636 return comparableStatements;
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639 public GraphChanges getChanges() {
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640 return new GraphChanges(r1,r2,changes1,changes2,modifications,comparableResources);
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643 private void addComparable(Statement left, Statement right, boolean process) {
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644 comparableStatements.map(left, right);
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645 comparableResources.map(left.getObject(), right.getObject());
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648 public List<Statement> filterAsserted(Resource r, Collection<Statement> in) throws ServiceException {
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649 List<Statement> out = new ArrayList<Statement>();
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650 for (Statement s : in) {
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651 if (!s.isAsserted(r))
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658 private String printStatement(ReadGraph graph, Statement s) throws ValidationException, ServiceException {
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659 return NameUtils.getSafeName(graph, s.getSubject()) + " " + NameUtils.getSafeName(graph, s.getPredicate()) + " " + NameUtils.getSafeName(graph, s.getObject());
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662 private List<Statement> filterTraversed(List<Statement> in) throws ServiceException {
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663 return filter(traversed, in);
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666 private List<Statement> filterNonTested(List<Statement> in) throws ServiceException {
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667 return filter(nonTested, in);
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670 private List<Statement> filter(Collection<Resource> toFilter, List<Statement> in) throws ServiceException {
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671 if (toFilter.size() == 0)
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673 List<Statement> out = new ArrayList<Statement>();
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674 for (Statement s : in) {
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675 boolean usable = true;
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676 for (Resource r : toFilter) {
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677 if (g.isSubrelationOf(s.getPredicate(),r)) {
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691 private void addDeletion(Statement s) {
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692 if (!changes1Set.contains(s)) {
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693 changes1Set.add(s);
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698 private void addAddition(Statement s) {
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699 if (!changes2Set.contains(s)) {
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700 changes2Set.add(s);
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705 private void addModification(Statement s1, Statement s2) {
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706 Pair<Statement, Statement> mod = new Pair<Statement, Statement>(s1,s2);
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707 if (!modificationsSet.contains(mod)) {
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708 modificationsSet.add(mod);
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709 modifications.add(mod);
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713 public void sortStatement(List<Statement> list1, List<Statement> list2) {
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714 sortStatement(list1, list2, scomp);
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717 public void sortStatement(List<Statement> list1, List<Statement> list2, Comparator<Statement> scomp) {
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718 Collections.sort(list1,scomp);
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719 Collections.sort(list2,scomp);
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721 List<Statement> sorted1 = new ArrayList<Statement>(list1.size());
\r
722 List<Statement> sorted2 = new ArrayList<Statement>(list2.size());
\r
723 sorted1.addAll(list1);
\r
724 sorted2.addAll(list2);
\r
728 for (int i = 0; i < list1.size(); ) {
\r
729 Statement s1 = list1.get(i);
\r
730 int same1 = sameRel(list1, i);
\r
731 for (int j = 0; j < list2.size(); j++) {
\r
732 Statement s2 = list2.get(j);
\r
733 if (scomp.compare(s1, s2) == 0) {
\r
734 int same2 = sameRel(list2, j);
\r
735 copy(sorted1,ss1,list1,i,same1);
\r
737 copy(sorted2,ss2,list2,j,same2);
\r
744 if (ss1 < sorted1.size()) {
\r
745 for (Statement s : list1) {
\r
746 if (!sorted1.contains(s)) {
\r
747 sorted1.set(ss1,s);
\r
752 if (ss2 < sorted2.size()) {
\r
753 for (Statement s : list2) {
\r
754 if (!sorted2.contains(s)) {
\r
755 sorted2.set(ss2,s);
\r
763 list1.addAll(sorted1);
\r
764 list2.addAll(sorted2);
\r
767 public <T> void copy(List<T> to, int toIndex, List<T> from, int fromIndex, int amount) {
\r
768 for (int i = 0; i < amount; i++) {
\r
769 to.set(toIndex + i, from.get(fromIndex+ i));
\r
773 public void sortResource(List<Resource> list1, List<Resource> list2) {
\r
774 Collections.sort(list1,rcomp);
\r
776 for (int i = 0; i < list1.size(); i++) {
\r
777 Resource s1 = list1.get(i);
\r
778 for (int j = js; j < list2.size(); j++) {
\r
779 Resource s2 = list2.get(j);
\r
780 if (rcomp.compare(s1, s2) == 0) {
\r
781 Resource t = list2.get(js);
\r
791 private void compareStatements(List<Statement> ss1, List<Statement> ss2, Stack<Resource> objectsLeft, Stack<Resource> objectsRight, Collection<Statement> unreliableLeft, Collection<Statement> unreliableRight) throws DatabaseException {
\r
792 sortStatement(ss1, ss2);
\r
798 if (i1 >= ss1.size()) {
\r
799 if (i2 >= ss2.size()) {
\r
802 while (i2 < ss2.size()) {
\r
803 System.out.println("Compare Statements diff2 " + printStatement(g,ss2.get(i2)));
\r
805 addAddition(ss2.get(i2));
\r
810 } else if (i2 >= ss2.size()) {
\r
811 while (i1 < ss1.size()) {
\r
812 System.out.println("Compare Statements diff1 " + printStatement(g,ss1.get(i1)));
\r
813 addDeletion(ss1.get(i1));
\r
818 int same1 = sameRel(ss1, i1);
\r
819 int same2 = sameRel(ss2, i2);
\r
820 int c = rcomp.compare(ss1.get(i1).getPredicate(),ss2.get(i2).getPredicate());
\r
822 compareStatements(ss1, i1, same1, ss2, i2, same2,objectsLeft,objectsRight,unreliableLeft,unreliableRight);
\r
825 } else if (c < 0) {
\r
826 for (int i = 0; i < same1; i++) {
\r
827 System.out.println("Compare Statements diff1 " + printStatement(g,ss1.get(i+i1)));
\r
828 addDeletion(ss1.get(i+i1));
\r
832 for (int i = 0; i < same2; i++) {
\r
833 System.out.println("Compare Statements diff2 " + printStatement(g,ss2.get(i+i2)));
\r
834 addAddition(ss2.get(i+i2));
\r
844 private int sameRel(List<Statement> statements, int off) {
\r
845 if (statements.size() <= off)
\r
848 long id = statements.get(off).getPredicate().getResourceId();
\r
849 for (int i = off+1; i <statements.size(); i++) {
\r
850 if (statements.get(i).getPredicate().getResourceId() == id)
\r
859 private int compareObject(Resource o1, Resource o2) throws DatabaseException {
\r
862 if (comparableResources.contains(o1, o2))
\r
864 if (comparableResources.containsLeft(o1))
\r
865 return Integer.MAX_VALUE;
\r
866 if (comparableResources.containsRight(o2))
\r
867 return Integer.MAX_VALUE;
\r
868 return comparator.compare(g, o1, o2);
\r
871 private void compareStatements(List<Statement> ss1, int off1, int len1, List<Statement> ss2, int off2, int len2, Collection<Resource> objectsLeft, Collection<Resource> objectsRight, Collection<Statement> unreliableLeft, Collection<Statement> unreliableRight) throws DatabaseException {
\r
872 boolean[] used1 = new boolean[len1];
\r
873 for (int i = 0; i < used1.length; i++) {
\r
877 boolean[] used2 = new boolean[len2];
\r
878 for (int i = 0; i < used2.length; i++) {
\r
882 // left, right, difference
\r
883 List<List<Integer>> differences = new ArrayList<List<Integer>>();
\r
884 for (int i1 = off1; i1 < off1 + len1; i1++) {
\r
885 Statement s1 = ss1.get(i1);
\r
886 List<Integer> diff = new ArrayList<Integer>();
\r
887 for (int i2 = off2; i2 < off2 + len2; i2++) {
\r
888 Statement s2 = ss2.get(i2);
\r
889 int d = compareObject(s1.getObject(), s2.getObject());
\r
891 for (Resource t : strong) {
\r
892 if (s1.getPredicate().equals(t) || g.isSubrelationOf(s1.getPredicate(), t)) {
\r
900 differences.add(diff);
\r
902 // difference, left
\r
903 MapList<Integer, Integer> priorities = new MapList<Integer, Integer>();
\r
904 for (int i = 0; i < differences.size(); i++) {
\r
905 List<Integer> list = differences.get(i);
\r
906 for (int j = 0; j < list.size(); j++) {
\r
907 priorities.add(list.get(j), i);
\r
911 Integer[] pris = priorities.getKeys(new Integer[]{});
\r
914 for (Integer pri : pris) {
\r
915 if (pri == Integer.MAX_VALUE) {
\r
917 } else if (pri == 0) {
\r
920 List<Integer> i1s = priorities.getValues(pri);
\r
921 for (Integer i1 : i1s) {
\r
924 List<Integer> i2diff = differences.get(i1);
\r
925 for (int i2 = 0; i2 < i2diff.size(); i2++) {
\r
926 if (i2diff.get(i2) == pri) {
\r
931 Statement s1 = ss1.get(i1+off1);
\r
932 Statement s2 = ss2.get(i2+off2);
\r
934 if (objectsLeft != null) {
\r
935 objectsLeft.add(s1.getObject());
\r
936 objectsRight.add(s2.getObject());
\r
938 addComparable(s1, s2, true);
\r
946 for (Integer pri : pris) {
\r
949 Set<Statement> s1s = new HashSet<Statement>();
\r
950 Set<Statement> s2s = new HashSet<Statement>();
\r
951 Set<Integer> s1i = new HashSet<Integer>();
\r
952 Set<Integer> s2i = new HashSet<Integer>();
\r
953 List<Integer> i1s = priorities.getValues(pri);
\r
954 for (Integer i1 : i1s) {
\r
957 List<Integer> i2diff = differences.get(i1);
\r
958 for (int i2 = 0; i2 < i2diff.size(); i2++) {
\r
959 if (i2diff.get(i2) == pri) {
\r
962 Statement s1 = ss1.get(i1+off1);
\r
963 Statement s2 = ss2.get(i2+off2);
\r
971 if (unreliableLeft != null) {
\r
972 unreliableLeft.addAll(s1s);
\r
973 unreliableRight.addAll(s2s);
\r
975 for (Integer i : s1i)
\r
977 for (Integer i : s2i)
\r
981 for (int i1 = off1; i1 < off1 + len1; i1++) {
\r
982 if (!used1[i1-off1]) {
\r
983 System.out.println("Compare Object diff1 " + printStatement(g,ss1.get(i1)));
\r
984 addDeletion(ss1.get(i1));
\r
987 for (int i2 = off2; i2 < off2 + len2; i2++) {
\r
988 if (!used2[i2-off2]) {
\r
989 System.out.println("Compare Object diff2 " + printStatement(g,ss2.get(i2)));
\r
990 addAddition(ss2.get(i2));
\r
998 * compares properties, assumes functional relations
\r
1001 * @throws ServiceException
\r
1002 * @throws DoesNotContainValueException
\r
1003 * @throws ValidationException
\r
1005 private void compareProps(Resource r1, Resource r2) throws ServiceException, DoesNotContainValueException, ValidationException {
\r
1006 System.out.println("compareProps " + r1 + " " + NameUtils.getSafeName(g, r1) + " " + r2 + " " + NameUtils.getSafeName(g, r2));
\r
1007 ArrayList<Statement> ss1 = new ArrayList<Statement>();
\r
1008 ArrayList<Statement> ss2 = new ArrayList<Statement>();
\r
1009 ss1.addAll(g.getStatements(r1, b.HasProperty));
\r
1010 ss2.addAll(g.getStatements(r2, b.HasProperty));
\r
1011 sortStatement(ss1, ss2);
\r
1017 if (i1 >= ss1.size()) {
\r
1018 if (i2 >= ss2.size())
\r
1021 while (i2 < ss2.size()) {
\r
1022 System.out.println("Compare Prop diff2 " + printStatement(g,ss2.get(i2)));
\r
1023 addAddition(ss2.get(i2));
\r
1028 } else if (i2 >= ss2.size()) {
\r
1029 while (i1 < ss1.size()) {
\r
1030 System.out.println("Compare Prop diff1 " + printStatement(g,ss1.get(i1)));
\r
1031 addDeletion(ss1.get(i1));
\r
1036 Statement s1 = ss1.get(i1);
\r
1037 Statement s2 = ss2.get(i2);
\r
1038 if (s1.isAsserted(r1) && s2.isAsserted(r2)) {
\r
1043 int c = scomp.compare(s1, s2);
\r
1046 boolean b1 = g.hasValue(s1.getObject());
\r
1047 boolean b2 = g.hasValue(s2.getObject());
\r
1050 Object v1 = g.getValue(s1.getObject());
\r
1051 Object v2 = g.getValue(s2.getObject());
\r
1052 boolean eq = compareValue(v1, v2);
\r
1054 addModification(s1, s2);
\r
1055 addComparable(s1, s2, false);
\r
1058 if (!s1.getObject().equals(s1.getSubject()) && !s2.getObject().equals(s2.getSubject()))
\r
1059 compareProps(s1.getObject(), s2.getObject());
\r
1062 addModification(s1, s2);
\r
1063 addComparable(s1, s2, false);
\r
1070 System.out.println("Compare Prop diff1s " + printStatement(g,s1));
\r
1077 System.out.println("Compare Prop diff2s " + printStatement(g,s2));
\r
1091 public static boolean compareValue(Object v1, Object v2) {
\r
1092 if (v1 instanceof Object[] && v2 instanceof Object[])
\r
1093 return Arrays.deepEquals((Object[])v1, (Object[])v2);
\r
1094 else if (v1 instanceof int[] && v2 instanceof int[])
\r
1095 return Arrays.equals((int[])v1, (int[])v2);
\r
1096 else if (v1 instanceof float[] && v2 instanceof float[])
\r
1097 return Arrays.equals((float[])v1, (float[])v2);
\r
1098 else if (v1 instanceof double[] && v2 instanceof double[])
\r
1099 return Arrays.equals((double[])v1, (double[])v2);
\r
1100 else if (v1 instanceof long[] && v2 instanceof long[])
\r
1101 return Arrays.equals((long[])v1, (long[])v2);
\r
1102 else if (v1 instanceof byte[] && v2 instanceof byte[])
\r
1103 return Arrays.equals((byte[])v1, (byte[])v2);
\r
1104 else if (v1 instanceof boolean[] && v2 instanceof boolean[])
\r
1105 return Arrays.equals((boolean[])v1, (boolean[])v2);
\r
1107 return v1.equals(v2);
\r
1111 public class PredicateComparator implements Comparator<Statement> {
\r
1113 public int compare(Statement o1, Statement o2) {
\r
1114 if (comparableResources.contains(o1.getPredicate(), o2.getPredicate()))
\r
1116 if (o1.getPredicate().getResourceId() < o2.getPredicate().getResourceId())
\r
1118 if (o1.getPredicate().getResourceId() > o2.getPredicate().getResourceId())
\r
1124 public class SubjectComparator implements Comparator<Statement> {
\r
1126 public int compare(Statement o1, Statement o2) {
\r
1127 if (comparableResources.contains(o1.getSubject(), o2.getSubject()))
\r
1129 if (o1.getSubject().getResourceId() < o2.getSubject().getResourceId())
\r
1131 if (o1.getSubject().getResourceId() > o2.getSubject().getResourceId())
\r
1137 public class ObjectComparator implements Comparator<Statement> {
\r
1139 public int compare(Statement o1, Statement o2) {
\r
1140 if (comparableResources.contains(o1.getObject(), o2.getObject()))
\r
1142 if (o1.getObject().getResourceId() < o2.getObject().getResourceId())
\r
1144 if (o1.getObject().getResourceId() > o2.getObject().getResourceId())
\r
1150 public static class FullStatementComparator implements Comparator<Statement> {
\r
1152 public int compare(Statement o1, Statement o2) {
\r
1153 if (o1.getSubject().getResourceId() < o2.getSubject().getResourceId())
\r
1155 if (o1.getSubject().getResourceId() > o2.getSubject().getResourceId())
\r
1157 if (o1.getPredicate().getResourceId() < o2.getPredicate().getResourceId())
\r
1159 if (o1.getPredicate().getResourceId() > o2.getPredicate().getResourceId())
\r
1161 if (o1.getObject().getResourceId() < o2.getObject().getResourceId())
\r
1163 if (o1.getObject().getResourceId() > o2.getObject().getResourceId())
\r
1169 public class ResComparator implements Comparator<Resource> {
\r
1171 public int compare(Resource o1, Resource o2) {
\r
1172 if (comparableResources.contains(o1, o2))
\r
1174 if (o1.getResourceId() < o2.getResourceId())
\r
1176 if (o1.getResourceId() > o2.getResourceId())
\r