package com.yssh.config;

import java.util.concurrent.ThreadPoolExecutor;

import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.scheduling.annotation.EnableAsync;
import org.springframework.scheduling.concurrent.ThreadPoolTaskExecutor;

@Configuration
@EnableAsync
public class ThreadPoolConfig {
	private int corePoolSize = 50;

	private int maxPoolSize = 200;

	private int queueCapacity = 1000;

	private int keepAliveSeconds = 300;

	private String threadNamePrefix = "async-importDB-";

	@Bean(name = "threadPoolTaskExecutor")
	public ThreadPoolTaskExecutor threadPoolTaskExecutor() {
		ThreadPoolTaskExecutor executor = new ThreadPoolTaskExecutor();
		executor.setMaxPoolSize(maxPoolSize);
		executor.setCorePoolSize(corePoolSize);
		executor.setQueueCapacity(queueCapacity);
		executor.setKeepAliveSeconds(keepAliveSeconds);
		executor.setThreadNamePrefix(threadNamePrefix);
		executor.setRejectedExecutionHandler(new ThreadPoolExecutor.CallerRunsPolicy());
		return executor;
	}
}