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.issues.common;
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14 import java.util.Collection;
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15 import java.util.Collections;
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16 import java.util.HashSet;
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17 import java.util.Map;
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18 import java.util.Set;
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20 import org.simantics.databoard.Bindings;
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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.ResourceSet;
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24 import org.simantics.db.VirtualGraph;
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25 import org.simantics.db.WriteGraph;
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26 import org.simantics.db.common.procedure.adapter.TransientCacheAsyncListener;
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27 import org.simantics.db.common.procedure.adapter.TransientCacheListener;
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28 import org.simantics.db.common.request.BinaryRead;
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29 import org.simantics.db.common.request.DependentInstances3;
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30 import org.simantics.db.common.request.ResourceSetGraph;
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31 import org.simantics.db.common.request.WriteRequest;
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32 import org.simantics.db.common.utils.NameUtils;
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33 import org.simantics.db.exception.DatabaseException;
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34 import org.simantics.db.layer0.changeset.MetadataUtils;
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35 import org.simantics.db.layer0.genericrelation.DependencyChanges;
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36 import org.simantics.db.layer0.genericrelation.DependencyChanges.Change;
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37 import org.simantics.db.layer0.genericrelation.DependencyChanges.ComponentAddition;
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38 import org.simantics.db.layer0.genericrelation.DependencyChanges.ComponentModification;
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39 import org.simantics.db.layer0.genericrelation.DependencyChanges.ComponentRemoval;
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40 import org.simantics.db.service.CollectionSupport;
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41 import org.simantics.db.service.ManagementSupport;
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42 import org.simantics.db.service.VirtualGraphSupport;
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43 import org.simantics.issues.ontology.IssueResource;
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45 public class IssueSourceUtils {
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47 public static final boolean DEBUG = false;
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48 public static final boolean DEBUG_CHANGE_ENTRIES = false;
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49 public static final boolean DEBUG_RESOURCES = false;
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51 public static void update(WriteGraph graph, final Resource source) throws DatabaseException {
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53 IssueResource ISSUE = IssueResource.getInstance(graph);
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55 Long revisionId = graph.getPossibleRelatedValue(source, ISSUE.ContinuousIssueSource_lastUpdateRevision, Bindings.LONG);
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56 if(revisionId == null) revisionId = 0L;
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58 ManagementSupport support = graph.getService(ManagementSupport.class);
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59 final long headRevision = support.getHeadRevisionId()+1;
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61 if(revisionId < headRevision) {
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62 VirtualGraphSupport vgs = graph.getService(VirtualGraphSupport.class);
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63 VirtualGraph vg = vgs.getWorkspacePersistent(IssueConstants.ISSUE_VG);
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64 graph.syncRequest(new WriteRequest(vg) {
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67 public void perform(WriteGraph graph) throws DatabaseException {
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68 IssueResource ISSUE = IssueResource.getInstance(graph);
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69 graph.claimLiteral(source, ISSUE.ContinuousIssueSource_lastUpdateRevision, headRevision, Bindings.LONG);
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71 System.err.println("-update[" + NameUtils.getSafeName(graph, source) + "][" + headRevision + "]");
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79 public static boolean hasChanges(ReadGraph graph, DependencyChanges event, Resource root, Resource from) throws DatabaseException {
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80 Change[] changes = event.get(root);
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81 if(changes == null) return false;
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82 for(Change c : changes) {
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83 if(c instanceof ComponentAddition) {
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85 } else if(c instanceof ComponentRemoval) {
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87 } else if(c instanceof ComponentModification) {
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94 public static class Test3 extends BinaryRead<Resource, ResourceSet, Collection<Resource>> {
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96 public Test3(Resource component, ResourceSet types) {
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97 super(component, types);
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101 public Collection<Resource> perform(ReadGraph graph) throws DatabaseException {
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102 ResourceSetGraph rsg = graph.syncRequest(new DependentInstances3(parameter), TransientCacheListener.<ResourceSetGraph>instance());
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103 return rsg.resolve(graph, parameter2);
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108 private static void test(ReadGraph graph, Resource component, ResourceSet types, Collection<Resource> result) throws DatabaseException {
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109 Collection<Resource> data = graph.syncRequest(new Test3(component, types), TransientCacheAsyncListener.<Collection<Resource>>instance());
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110 if(DEBUG_RESOURCES) {
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111 for(Resource r : data) {
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112 System.err.println("IssueSourceUtils.test " + " " + NameUtils.getSafeName(graph, component) + " " + NameUtils.getSafeName(graph, types) + " " + NameUtils.getSafeName(graph, r));
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115 result.addAll(data);
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118 public static Set<Resource> getChangedDependencies(ReadGraph graph, Resource model, Resource from, Set<Resource> types, DependencyChanges event) throws DatabaseException {
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120 Change[] changes = event.get(model);
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121 if(changes == null) return Collections.emptySet();
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123 CollectionSupport cs = graph.getService(CollectionSupport.class);
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124 ResourceSet typeSet = cs.getResourceSet(graph, types);
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126 Set<Resource> result = new HashSet<Resource>();
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127 for(Change c : changes) {
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128 processChange(graph, c, typeSet, result);
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135 public static void processChange(ReadGraph graph, Change c, ResourceSet types, Set<Resource> result) throws DatabaseException {
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136 if(DEBUG_CHANGE_ENTRIES)
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137 System.err.println("-processChange: " + c.toString(graph));
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138 if(c instanceof ComponentAddition) {
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139 ComponentAddition addition = (ComponentAddition)c;
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140 test(graph, addition.component, types, result);
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141 } else if(c instanceof ComponentRemoval) {
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142 ComponentRemoval removal = (ComponentRemoval)c;
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143 result.add(removal.component);
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144 } else if(c instanceof ComponentModification) {
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145 ComponentModification modification = (ComponentModification)c;
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146 test(graph, modification.component, types, result);
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151 public static Set<Resource> getChangedDependencies(ReadGraph graph, Resource source, Resource model, Resource from, Set<Resource> types) throws DatabaseException {
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153 IssueResource ISSUE = IssueResource.getInstance(graph);
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155 Long revisionId = graph.getPossibleRelatedValue(source, ISSUE.ContinuousIssueSource_lastUpdateRevision, Bindings.LONG);
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156 if(revisionId == null) revisionId = 0L;
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159 System.err.println("getChangedDependencies[" + NameUtils.getSafeName(graph, source) + "][" + revisionId + "]");
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161 Map<Resource, Collection<Change>> index = MetadataUtils.getDependencyChangesFrom(graph, revisionId+1);
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163 CollectionSupport cs = graph.getService(CollectionSupport.class);
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164 ResourceSet typeSet = cs.getResourceSet(graph, types);
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166 Collection<Change> modelChanges = index.get(model);
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167 if(modelChanges == null) return Collections.emptySet();
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169 Set<Resource> result = new HashSet<Resource>();
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170 for(Change c : modelChanges) {
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171 processChange(graph, c, typeSet, result);
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