EqualityOperator


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55  
56  package org.apache.commons.el;
57  
58  import javax.servlet.jsp.el.ELException  ;
59  
60  /**
61   *
62   * <p>This is the superclass for all equality operators (==, !=)
63   * 
64   * @author Nathan Abramson - Art Technology Group
65   * @version $Change: 181177 $$DateTime: 2001/06/26 08:45:09 $$Author: luehe $
66   **/
67  
68  public abstract class EqualityOperator
69    extends BinaryOperator
70  {
71    //-------------------------------------
72    /**
73     *
74     * Applies the operator to the given value
75     **/
76    public Object   apply (Object   pLeft,
77                 Object   pRight,
78                 Logger pLogger)
79      throws ELException  
80    {
81      return Coercions.applyEqualityOperator (pLeft, pRight, this, pLogger);
82    }
83  
84    //-------------------------------------
85    /**
86     *
87     * Applies the operator given the fact that the two elements are
88     * equal.
89     **/
90    public abstract boolean apply (boolean pAreEqual,
91                   Logger pLogger);
92    
93    //-------------------------------------
94  }
95
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