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.diagram.synchronization.graph;
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14 import java.util.Map;
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16 import org.simantics.db.Resource;
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17 import org.simantics.db.WriteGraph;
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18 import org.simantics.db.common.utils.Logger;
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19 import org.simantics.db.exception.DatabaseException;
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20 import org.simantics.diagram.synchronization.CopyAdvisor;
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21 import org.simantics.diagram.synchronization.ISynchronizationContext;
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22 import org.simantics.diagram.synchronization.SynchronizationException;
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25 * @author Tuukka Lehtonen
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27 public abstract class GraphCopyAdvisor implements CopyAdvisor {
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30 public final Evaluation canCopy(ISynchronizationContext context, Object source, Object sourceContainer, Object targetContainer) {
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31 if (!(source instanceof Resource))
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32 return Evaluation.NOT_SUPPORTED;
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34 // if (!(sourceContainer instanceof Resource))
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35 // return Evaluation.NOT_SUPPORTED;
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36 // if (!(targetContainer instanceof Resource))
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37 // return Evaluation.NOT_SUPPORTED;
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39 Resource resource = (Resource) source;
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40 Resource sourceCont = (Resource) sourceContainer;
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41 Resource targetCont = (Resource) targetContainer;
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43 WriteGraph graph = context.get(GraphSynchronizationHints.WRITE_TRANSACTION);
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45 return Evaluation.NOT_SUPPORTED;
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48 return canCopy(context, graph, resource, sourceCont, targetCont);
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49 } catch (DatabaseException e) {
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50 Logger.defaultLogError(e);
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51 return Evaluation.NOT_SUPPORTED;
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56 public final Object copy(ISynchronizationContext context, Object source, Object sourceContainer, Object targetContainer) {
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58 if (!(source instanceof Resource))
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61 // if (!(sourceContainer instanceof Resource))
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63 // if (!(targetContainer instanceof Resource))
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66 Resource resource = (Resource) source;
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67 Resource sourceCont = (Resource) sourceContainer;
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68 Resource targetCont = (Resource) targetContainer;
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70 WriteGraph graph = context.get(GraphSynchronizationHints.WRITE_TRANSACTION);
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72 throw new SynchronizationException("no write transaction");
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74 return copy(context, graph, resource, sourceCont, targetCont);
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75 } catch (DatabaseException e) {
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76 throw new SynchronizationException(e);
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81 public final Object copy(ISynchronizationContext context, Object source, Object sourceContainer, Object targetContainer, Map<Object, Object> map) {
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83 if (!(source instanceof Resource))
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86 // if (!(sourceContainer instanceof Resource))
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88 // if (!(targetContainer instanceof Resource))
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91 Resource resource = (Resource) source;
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92 Resource sourceCont = (Resource) sourceContainer;
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93 Resource targetCont = (Resource) targetContainer;
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95 WriteGraph graph = context.get(GraphSynchronizationHints.WRITE_TRANSACTION);
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97 throw new SynchronizationException("no write transaction");
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99 return copy(context, graph, resource, sourceCont, targetCont, map);
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100 } catch (DatabaseException e) {
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101 throw new SynchronizationException(e);
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106 public final Object cut(ISynchronizationContext context, Object source, Object sourceContainer, Object targetContainer) {
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108 if (!(source instanceof Resource))
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111 // if (!(sourceContainer instanceof Resource))
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113 // if (!(targetContainer instanceof Resource))
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116 Resource resource = (Resource) source;
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117 Resource sourceCont = (Resource) sourceContainer;
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118 Resource targetCont = (Resource) targetContainer;
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120 WriteGraph graph = context.get(GraphSynchronizationHints.WRITE_TRANSACTION);
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122 throw new SynchronizationException("no write transaction");
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125 return cut(context, graph, resource, sourceCont, targetCont);
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126 } catch (DatabaseException e) {
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127 throw new SynchronizationException(e);
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132 public void onFinish(ISynchronizationContext context) {
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134 WriteGraph graph = context.get(GraphSynchronizationHints.WRITE_TRANSACTION);
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136 throw new SynchronizationException("no write transaction");
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139 onFinish(context, graph);
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140 } catch (DatabaseException e) {
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141 throw new SynchronizationException(e);
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146 public void onFinish(ISynchronizationContext context, WriteGraph graph) throws DatabaseException {
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150 public abstract Evaluation canCopy(ISynchronizationContext context, WriteGraph graph, Resource source,
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151 Resource sourceContainer, Resource targetContainer) throws DatabaseException;
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153 public abstract Object copy(ISynchronizationContext context, WriteGraph graph, Resource source,
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154 Resource sourceContainer, Resource targetContainer) throws DatabaseException;
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156 public abstract Object copy(ISynchronizationContext context, WriteGraph graph, Resource source,
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157 Resource sourceContainer, Resource targetContainer, Map<Object, Object> map) throws DatabaseException;
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159 public abstract Object cut(ISynchronizationContext context, WriteGraph graph, Resource source,
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160 Resource sourceContainer, Resource targetContainer) throws DatabaseException;
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