jakarta.mail.search.SearchTerm Maven / Gradle / Ivy
/*
* Copyright (c) 1997, 2021 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 java.io.Serializable;
import jakarta.mail.Message;
/**
* Search criteria are expressed as a tree of search-terms, forming
* a parse-tree for the search expression.
*
* Search-terms are represented by this class. This is an abstract
* class; subclasses implement specific match methods.
*
* Search terms are serializable, which allows storing a search term
* between sessions.
*
* Warning:
* Serialized objects of this class may not be compatible with future
* Jakarta Mail API releases. The current serialization support is
* appropriate for short term storage.
*
* @author Bill Shannon
* @author John Mani
*/
public abstract class SearchTerm implements Serializable {
private static final long serialVersionUID = -6652358452205992789L;
/**
* Creates a default {@code SearchTerm}.
*/
public SearchTerm() {
}
/**
* This method applies a specific match criterion to the given
* message and returns the result.
*
* @param msg The match criterion is applied on this message
* @return true, it the match succeeds, false if the match fails
*/
public abstract boolean match(Message msg);
}