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/*
 * 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.component;

import java.util.concurrent.ThreadFactory;
import java.util.concurrent.atomic.AtomicInteger;

public class CachedAioThreadFactory implements ThreadFactory {

	private ThreadGroup				group;
	private AtomicInteger			threadNumber	= new AtomicInteger(0);
	private String					namePrefix;
	private AioSocketChannelContext	channelContext;

	public CachedAioThreadFactory(AioSocketChannelContext channelContext, String namePrefix) {
		SecurityManager s = System.getSecurityManager();
		this.channelContext = channelContext;
		this.group = (s != null) ? s.getThreadGroup() : Thread.currentThread().getThreadGroup();
		this.namePrefix = namePrefix;
	}

	@Override
	public Thread newThread(Runnable r) {
		int coreIndex = threadNumber.getAndIncrement();
		String name = namePrefix + "-" + coreIndex;
		Thread t = new CachedAioThread(channelContext, group, r, name, coreIndex);
		if (t.isDaemon())
			t.setDaemon(false);
		if (t.getPriority() != Thread.NORM_PRIORITY)
			t.setPriority(Thread.NORM_PRIORITY);
		return t;
	}

	public boolean inFactory(Thread thread) {
		return thread instanceof SocketChannelThreadContext;
	}

}