/*
* Copyright 2009 Red Hat, Inc.
*
* Red Hat licenses this file to you under the Apache License, version 2.0
* (the "License"); you may not use this file except in compliance with the
* License. You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*/
package org.jboss.netty.util;
/**
* Overrides the thread name proposed by {@link ThreadRenamingRunnable}.
*
* @author <a href="http://www.jboss.org/netty/">The Netty Project</a>
* @author <a href="http://gleamynode.net/">Trustin Lee</a>
* @version $Rev: 2080 $, $Date: 2010-01-26 18:04:19 +0900 (Tue, 26 Jan 2010) $
*/
public interface ThreadNameDeterminer {
/**
* {@link ThreadNameDeterminer} that accepts the proposed thread name
* as is.
*/
ThreadNameDeterminer PROPOSED = new ThreadNameDeterminer() {
public String determineThreadName(String currentThreadName,
String proposedThreadName) throws Exception {
return proposedThreadName;
}
};
/**
* {@link ThreadNameDeterminer} that rejects the proposed thread name and
* retains the current one.
*/
ThreadNameDeterminer CURRENT = new ThreadNameDeterminer() {
public String determineThreadName(String currentThreadName,
String proposedThreadName) throws Exception {
return null;
}
};
/**
* Overrides the thread name proposed by {@link ThreadRenamingRunnable}.
*
* @param currentThreadName the current thread name
* @param proposedThreadName the proposed new thread name
* @return the actual new thread name.
* If {@code null} is returned, the proposed thread name is
* discarded (i.e. no rename).
*/
String determineThreadName(String currentThreadName, String proposedThreadName) throws Exception;
}