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/*
* ComparisonTerm.java
* Copyright (C) 2002 The Free Software Foundation
*
* This file is part of GNU JavaMail, a library.
*
* GNU JavaMail is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* GNU JavaMail is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* As a special exception, if you link this library with other files to
* produce an executable, this library does not by itself cause the
* resulting executable to be covered by the GNU General Public License.
* This exception does not however invalidate any other reasons why the
* executable file might be covered by the GNU General Public License.
*/
package javax.mail.search;
/**
* This class models the comparison operator.
* This is an abstract class; subclasses implement comparisons
* for different datatypes.
*
* @author <a href="mailto:dog@gnu.org">Chris Burdess</a>
* @version 1.3
*/
public abstract class ComparisonTerm
extends SearchTerm
{
public static final int LE = 1;
public static final int LT = 2;
public static final int EQ = 3;
public static final int NE = 4;
public static final int GT = 5;
public static final int GE = 6;
/**
* The comparison.
*/
protected int comparison;
/**
* Equality comparison.
*/
public boolean equals(Object other)
{
return ((other instanceof ComparisonTerm) &&
((ComparisonTerm)other).comparison==comparison);
}
/**
* Compute a hashCode for this object.
*/
public int hashCode()
{
return comparison;
}
}
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