spring AOP 简单性能监视器

宋建勇

package cn.com.tcgroup.yunlu.commons;import java.lang.reflect.Method;import org.aspectj.lang.JoinPoint;import org.aspectj.lang.reflect.MethodSignature;public class EfficiencyAOP {private long time = 0;private String className = null;private String methodName = null;public void begin(JoinPoint point){time = System.currentTimeMillis();Object target = point.getTarget();//拦截的实体类className = target.getClass().getName();methodName = point.getSignature().getName();//拦截的方法名称Object[] args = point.getArgs();//拦截的方法参数Class[] parameterTypes = ((MethodSignature)point.getSignature()).getMethod().getParameterTypes();//拦截的方法参数类型Method  m = null;try {m = target.getClass().getMethod(methodName, parameterTypes);//通过反射获得拦截的methodif (m.isBridge()) {//如果是桥，则要获得实际拦截的methodfor (int i = 0; i < args.length; i++) {Class genClazz = GenericsUtils.getSuperClassGenricType(target.getClass());if(args.getClass().isAssignableFrom(genClazz)){parameterTypes = genClazz;}}m = target.getClass().getMethod(methodName, parameterTypes);}} catch (SecurityException e) {e.printStackTrace();} catch (NoSuchMethodException e) {e.printStackTrace();}}public void end(){System.out.println(className+"."+methodName + "耗时" + (System.currentTimeMillis()-time) + "毫秒");}}


<bean id="efficiencyAOP" class="cn.com.tcgroup.yunlu.commons.EfficiencyAOP"></bean><!-- 配置性能监视器 --><aop:config><aop:aspect id="test" ref="efficiencyAOP"><aop:pointcut expression="execution (* cn.com.tcgroup.yunlu.*.*.*.*.*(..))" id="p"/><aop:before method="begin" pointcut-ref="p"/><aop:after method="end" pointcut-ref="p"/></aop:aspect></aop:config>


备注：GenericsUtils.java参见网址--http://songjianyong.iteye.com/blog/1638417