javax.mail.search.ComparisonTerm Maven / Gradle / Ivy
/*
* Copyright (c) 1997, 2020 Oracle and/or its affiliates. All rights reserved.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v. 2.0, which is available at
* http://www.eclipse.org/legal/epl-2.0.
*
* This Source Code may also be made available under the following Secondary
* Licenses when the conditions for such availability set forth in the
* Eclipse Public License v. 2.0 are satisfied: GNU General Public License,
* version 2 with the GNU Classpath Exception, which is available at
* https://www.gnu.org/software/classpath/license.html.
*
* SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
*/
package jakarta.mail.search;
/**
* This class models the comparison operator. This is an abstract
* class; subclasses implement comparisons for different datatypes.
*
* @author Bill Shannon
* @author John Mani
*/
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.
*
* @serial
*/
protected int comparison;
private static final long serialVersionUID = 1456646953666474308L;
/**
* Equality comparison.
*/
@Override
public boolean equals(Object obj) {
if (!(obj instanceof ComparisonTerm))
return false;
ComparisonTerm ct = (ComparisonTerm)obj;
return ct.comparison == this.comparison;
}
/**
* Compute a hashCode for this object.
*/
@Override
public int hashCode() {
return comparison;
}
}