com.generallycloud.baseio.concurrent.AbstractEventLoopGroup Maven / Gradle / Ivy

Go to download
/*
 * Copyright 2015-2017 GenerallyCloud.com
 *  
 * 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 com.generallycloud.baseio.concurrent;

import com.generallycloud.baseio.AbstractLifeCycle;
import com.generallycloud.baseio.LifeCycleUtil;

public abstract class AbstractEventLoopGroup extends AbstractLifeCycle implements EventLoopGroup {

	private String				eventLoopName;

	private int				eventQueueSize;

	private int				eventLoopSize;

	private FixedAtomicInteger	eventLoopIndex;

	public AbstractEventLoopGroup(String eventLoopName, int eventQueueSize, int eventLoopSize) {
		this.eventLoopName = eventLoopName;
		this.eventQueueSize = eventQueueSize;
		this.eventLoopSize = eventLoopSize;
		this.eventLoopIndex = new FixedAtomicInteger(0, eventLoopSize - 1);
	}

	@Override
	protected void doStart() throws Exception {

		EventLoop[] eventLoopArray = initEventLoops();

		for (int i = 0; i < eventLoopArray.length; i++) {

			eventLoopArray[i] = newEventLoop(i,eventQueueSize);
		}

		for (int i = 0; i < eventLoopArray.length; i++) {

			eventLoopArray[i].startup(eventLoopName + "-" + i + "(max:" + eventQueueSize + ")");
		}
	}

	protected abstract EventLoop[] initEventLoops();

	protected abstract EventLoop[] getEventLoops();

	protected int getNextEventLoopIndex() {
		return eventLoopIndex.getAndIncrement();
	}

	protected int getEventLoopSize() {
		return eventLoopSize;
	}

	protected abstract EventLoop newEventLoop(int coreIndex,int eventQueueSize);

	@Override
	protected void doStop() throws Exception {

		EventLoop[] eventLoopArray = getEventLoops();

		for (EventLoop el : eventLoopArray) {
			LifeCycleUtil.stop(el);
		}
	}
}