最近項目為了提高程序效率,把日志之類的附帶操作寫在線程中,但是在使用過程中卻發現在service層無法使用注解自動注入ThreadPoolTaskExecutor線程類,后來查了資料,說是為了線程安全,是不允許自動注入,下面提供一種方法可以在service層使用ThreadPoolTaskExecutor
1.創建工具類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;
}
/**
* 從靜態變量applicationContext中得到Bean, 自動轉型為所賦值對象的類型.
*/
@SuppressWarnings("unchecked")
public static <T> T getBean(String name) {
if (name == null || applicationContext == null)
return null;
return (T) applicationContext.getBean(name);
}
/**
* 從靜態變量applicationContext中得到Bean, 自動轉型為所賦值對象的類型.
*/
public static <T> T getBean(Class<T> clazz) {
return applicationContext.getBean(clazz);
}
}
2.在你需要使用類中寫入
ThreadPoolTaskExecutor threadPoolTaskExecutor = (ThreadPoolTaskExecutor) SpringBeanUtil.getBean("threadPoolTaskExecutor");
3.這樣就可以使用ThreadPoolTaskExecutor這個類了
