| Pair |

    1   /*
    2    *  Pair.java
    3    *
    4    *  Copyright (c) 1998-2001, The University of Sheffield.
    5    *
    6    *  This file is part of GATE (see http://gate.ac.uk/), and is free
    7    *  software, licenced under the GNU Library General Public License,
    8    *  Version 2, June 1991 (in the distribution as file licence.html,
    9    *  and also available at http://gate.ac.uk/gate/licence.html).
    10   *
    11   *  Kalina Bontcheva, 13/Sept/2001
    12   *
    13   *  $Id: Pair.java,v 1.2 2001/09/17 12:21:01 valyt Exp $
    14   */
    15
    16
    17  package gate.util;
    18
    19  // Imports
    20  import java.lang.String;
    21  import java.lang.Object;
    22  import java.io.Serializable;
    23
    24  public class Pair implements Serializable {
    25
    26    // Fields
    27    public Object first;
    28    public Object second;
    29    static final long serialVersionUID = 3690756099267025454L;
    30
    31    // Constructors
    32    public Pair(Object p0, Object p1) { first = p0; second = p1;}
    33    public Pair() { first = null; second = null;}
    34    public Pair(Pair p0) {first = p0.first; second = p0.second; }
    35
    36    // Methods
    37    public int hashCode() { return first.hashCode() ^ second.hashCode(); }
    38    public String toString() { return "<" + first.toString() +
    39                                      ", " + second.toString() + ">" ;}
    40    public boolean equals(Object p0) {
    41      if (!p0.getClass().equals(this.getClass()))
    42        return false;
    43      return equals((Pair) p0);
    44    }//equals
    45    public boolean equals(Pair p0) {
    46      if (p0.first.equals(first)&& p0.second.equals(second))
    47        return true;
    48      return false;
    49    } //equals
    50    public synchronized Object clone() { return new Pair(first, second); }
    51  }

| Pair |