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OffsetComparator |
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1 /* 2 * Copyright (c) 1998-2001, The University of Sheffield. 3 * 4 * This file is part of GATE (see http://gate.ac.uk/), and is free 5 * software, licenced under the GNU Library General Public License, 6 * Version 2, June 1991 (in the distribution as file licence.html, 7 * and also available at http://gate.ac.uk/gate/licence.html). 8 * 9 * Valentin Tablan 02/10/2001 10 * 11 * $Id: OffsetComparator.java,v 1.3 2003/04/18 10:18:11 nasso Exp $ 12 * 13 */ 14 package gate.util; 15 16 import java.util.Comparator; 17 import gate.*; 18 19 /** 20 * Compares annotations by start offset 21 */ 22 public class OffsetComparator implements Comparator { 23 24 public int compare(Object o1, Object o2){ 25 Annotation a1 = (Annotation)o1; 26 Annotation a2 = (Annotation)o2; 27 int result; 28 29 // compare start offsets 30 result = a1.getStartNode().getOffset().compareTo( 31 a2.getStartNode().getOffset()); 32 33 // if start offsets are equal compare end offsets 34 if(result == 0) { 35 result = a1.getEndNode().getOffset().compareTo( 36 a2.getEndNode().getOffset()); 37 } // if 38 39 return result; 40 } 41 }
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OffsetComparator |
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