view src/org/eclipse/jetty/util/thread/ThreadPool.java @ 864:e21ca9878a10

simplify ThreadPool use
author Franklin Schmidt <fschmidt@gmail.com>
date Sun, 02 Oct 2016 16:17:38 -0600
parents 88d3c8ff242a
children
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//
//  ========================================================================
//  Copyright (c) 1995-2014 Mort Bay Consulting Pty. Ltd.
//  ------------------------------------------------------------------------
//  All rights reserved. This program and the accompanying materials
//  are made available under the terms of the Eclipse Public License v1.0
//  and Apache License v2.0 which accompanies this distribution.
//
//      The Eclipse Public License is available at
//      http://www.eclipse.org/legal/epl-v10.html
//
//      The Apache License v2.0 is available at
//      http://www.opensource.org/licenses/apache2.0.php
//
//  You may elect to redistribute this code under either of these licenses.
//  ========================================================================
//

package org.eclipse.jetty.util.thread;

import org.eclipse.jetty.util.component.LifeCycle;

/* ------------------------------------------------------------ */
/** ThreadPool.
 * 
 *
 */
public interface ThreadPool
{
	/* ------------------------------------------------------------ */
	public abstract boolean dispatch(Runnable job);

	/* ------------------------------------------------------------ */
	/**
	 * Blocks until the thread pool is {@link 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();
	
}