<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:mvc="http://www.springframework.org/schema/mvc"
	xmlns:aop="http://www.springframework.org/schema/aop" xmlns:context="http://www.springframework.org/schema/context"
	xsi:schemaLocation="
		http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
		http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.0.xsd
		http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-3.0.xsd
		http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-3.0.xsd
		">
	<bean id="threadPoolTaskExecutor"
		class="org.springframework.scheduling.concurrent.ThreadPoolTaskExecutor">

		<!-- 核心线程数,默认为1 -->
		<property name="corePoolSize" value="10" />

		<!-- 最大线程数,默认为Integer.MAX_VALUE -->
		<property name="maxPoolSize" value="50" />

		<!-- 队列最大长度,一般需要设置值>=notifyScheduledMainExecutor.maxNum;默认为Integer.MAX_VALUE 
			<property name="queueCapacity" value="1000" /> -->

		<!-- 线程池维护线程所允许的空闲时间,默认为60s -->
		<property name="keepAliveSeconds" value="300" />

		<!-- 线程池对拒绝任务(无线程可用)的处理策略,目前只支持AbortPolicy、CallerRunsPolicy;默认为后者 -->
		<property name="rejectedExecutionHandler">
			<!-- AbortPolicy:直接抛出java.util.concurrent.RejectedExecutionException异常 -->
			<!-- CallerRunsPolicy:主线程直接执行该任务,执行完之后尝试添加下一个任务到线程池中,可以有效降低向线程池内添加任务的速度 -->
			<!-- DiscardOldestPolicy:抛弃旧的任务、暂不支持;会导致被丢弃的任务无法再次被执行 -->
			<!-- DiscardPolicy:抛弃当前任务、暂不支持;会导致被丢弃的任务无法再次被执行 -->
			<bean class="java.util.concurrent.ThreadPoolExecutor$CallerRunsPolicy" />
		</property>
	</bean>
</beans>