Last change
on this file since 557 was
557,
checked in by pharms, 12 years ago
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- adapted task tree creation stuff to more general event handling
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-
Property svn:executable set to
*
|
File size:
1.2 KB
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1 | // Module : $RCSfile: NodeIdentityRule.java,v $ |
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2 | // Version : $Revision: 0.0 $ $Author: patrick $ $Date: 19.02.2012 $ |
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3 | // Project : TaskTreeCreator |
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4 | // Creation : 2012 by patrick |
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5 | // Copyright : Patrick Harms, 2012 |
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6 | |
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7 | package de.ugoe.cs.quest.tasktrees.nodeequality; |
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8 | |
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9 | import de.ugoe.cs.quest.tasktrees.treeifc.ITaskTreeNode; |
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10 | |
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11 | /** |
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12 | * <p> |
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13 | * This comparison rule returns <code>NodeEquality.IDENTICAL</code> if the comparison of the two |
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14 | * task tree nodes using the <code>==</code> operator or the <code>equals</code> method return true. |
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15 | * Else it returns null to denote, that it can not compare the nodes. |
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16 | * </p> |
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17 | * |
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18 | * @version $Revision: $ $Date: 19.02.2012$ |
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19 | * @author 2012, last modified by $Author: patrick$ |
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20 | */ |
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21 | public class NodeIdentityRule implements NodeComparisonRule { |
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22 | |
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23 | /* |
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24 | * (non-Javadoc) |
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25 | * |
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26 | * @see de.ugoe.cs.tasktree.nodeequality.NodeEqualityRule#apply(TaskTreeNode, TaskTreeNode) |
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27 | */ |
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28 | @Override |
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29 | public NodeEquality compare(ITaskTreeNode node1, ITaskTreeNode node2) { |
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30 | if ((node1 == node2) || ((node1 != null) && (node1.equals(node2)))) { |
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31 | return NodeEquality.IDENTICAL; |
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32 | } |
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33 | else { |
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34 | return null; |
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35 | } |
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36 | } |
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37 | |
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38 | } |
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