org.mortbay.thread.ThreadPool Maven / Gradle / Ivy
//========================================================================
//$Id: ThreadPool.java,v 1.4 2005/11/20 11:30:38 gregwilkins Exp $
//Copyright 2004-2005 Mort Bay Consulting Pty. Ltd.
//------------------------------------------------------------------------
//Licensed 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.mortbay.thread;
/* ------------------------------------------------------------ */
/** ThreadPool.
* @author gregw
*
*/
public interface ThreadPool
{
/* ------------------------------------------------------------ */
public abstract boolean dispatch(Runnable job);
/* ------------------------------------------------------------ */
/**
* Blocks until the thread pool is {@link org.mortbay.component.LifeCycle#stop stopped}.
*/
public void join() throws InterruptedException;
/* ------------------------------------------------------------ */
/**
* @return The total number of threads currently in the pool
*/
public int getThreads();
/* ------------------------------------------------------------ */
/**
* @return The number of idle threads in the pool
*/
public int getIdleThreads();
/* ------------------------------------------------------------ */
/**
* @return True if the pool is low on threads
*/
public boolean isLowOnThreads();
}