最近项目为了提高程序效率,把日志之类的附带操作写在线程中,但是在使用过程中却发现在service层无法使用注解自动注入ThreadPoolTaskExecutor线程类,后来查了资料,说是为了线程安全,是不允许自动注入,下面提供一种方法可以在service层使用ThreadPoolTaskExecutor
1.创建工具类SpringBeanUtil
package com.glens.eap.platform.util; import org.springframework.beans.BeansException; import org.springframework.context.ApplicationContext; import org.springframework.context.ApplicationContextAware; import org.springframework.stereotype.Component; @Component public class SpringBeanUtil implements ApplicationContextAware { private static ApplicationContext applicationContext = null; @Override public void setApplicationContext(ApplicationContext applicationContext) throws BeansException { // TODO Auto-generated method stub SpringBeanUtil.applicationContext = applicationContext; } /** * 从静态变量applicationContext中得到Bean, 自动转型为所赋值对象的类型. */ @SuppressWarnings("unchecked") public static <T> T getBean(String name) { if (name == null || applicationContext == null) return null; return (T) applicationContext.getBean(name); } /** * 从静态变量applicationContext中得到Bean, 自动转型为所赋值对象的类型. */ public static <T> T getBean(Class<T> clazz) { return applicationContext.getBean(clazz); } }
2.在你需要使用类中写入
ThreadPoolTaskExecutor threadPoolTaskExecutor = (ThreadPoolTaskExecutor) SpringBeanUtil.getBean("threadPoolTaskExecutor");
3.这样就可以使用ThreadPoolTaskExecutor这个类了