javax.mail.search.NotTerm 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;
import jakarta.mail.Message;
/**
* This class implements the logical NEGATION operator.
*
* @author Bill Shannon
* @author John Mani
*/
public final class NotTerm extends SearchTerm {
/**
* The search term to negate.
*
* @serial
*/
private SearchTerm term;
private static final long serialVersionUID = 7152293214217310216L;
public NotTerm(SearchTerm t) {
term = t;
}
/**
* Return the term to negate.
*
* @return the Term
*/
public SearchTerm getTerm() {
return term;
}
/* The NOT operation */
@Override
public boolean match(Message msg) {
return !term.match(msg);
}
/**
* Equality comparison.
*/
@Override
public boolean equals(Object obj) {
if (!(obj instanceof NotTerm))
return false;
NotTerm nt = (NotTerm)obj;
return nt.term.equals(this.term);
}
/**
* Compute a hashCode for this object.
*/
@Override
public int hashCode() {
return term.hashCode() << 1;
}
}