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package com.yomahub.liteflow.thread;

import com.alibaba.ttl.threadpool.TtlExecutors;

import java.util.concurrent.*;
import java.util.concurrent.atomic.AtomicLong;

/**
 * 并行多线程执行器构造器接口
 *
 * @author Bryan.Zhang
 * @since 2.6.6
 */
public interface ExecutorBuilder {

	ExecutorService buildExecutor();

	// 构建默认的线程池对象
	default ExecutorService buildDefaultExecutor(int corePoolSize, int maximumPoolSize, int queueCapacity,
			String threadName) {
		return TtlExecutors.getTtlExecutorService(new ThreadPoolExecutor(corePoolSize, maximumPoolSize, 60,
				TimeUnit.SECONDS, new ArrayBlockingQueue<>(queueCapacity), new ThreadFactory() {
					private final AtomicLong number = new AtomicLong();

					@Override
					public Thread newThread(Runnable r) {
						Thread newThread = Executors.defaultThreadFactory().newThread(r);
						newThread.setName(threadName + number.getAndIncrement());
						newThread.setDaemon(false);
						return newThread;
					}
				}, new ThreadPoolExecutor.AbortPolicy()));
	}

}