2.3 在需要计算执行时间的方法上添加注解 @ServicepublicclassMyService{@ExecutionTimepublicvoidmyMethod(){// 方法体}} 1. 2. 3. 4. 5. 6. 7. 8. 3. 类图 ExecutionTimeAspectcalculateExecutionTime(ProceedingJoinPoint) : ObjectMyServicemyMethod() : voidAspectComponentService 通过以上步骤,你可以实现在...
>future=executorService.submit(newRunnable(){@Overridepublicvoidrun(){// 耗时的操作}});try{future.get(5,TimeUnit.SECONDS);// 等待5秒钟}catch(TimeoutExceptione){future.cancel(true);// 取消任务thrownewTimeoutException("Method execution timeout");}finally{executorService.shutdown();}} 1. 2. ...
System.out.println("方法执行时间:"+ executionTime +" 毫秒"); }publicstaticvoidmyMethod(){// 方法的具体实现} } 复制代码 在上述示例代码中,开始调用myMethod()方法前记录了开始时间戳startTime,然后在方法执行完成后记录了结束时间戳endTime,最后通过计算两个时间戳的差值得到了方法的执行时间executionTime。...
System.out.println("methodA execution time: "+ (endTime - startTime) +" ns"); }publicstaticvoidmethodB(){longstartTime = System.nanoTime(); methodC();longendTime = System.nanoTime(); System.out.println("methodB execution time: "+ (endTime - startTime) +" ns"); }publicstaticvoid...
{@code public void run() { if (System.currentTimeMillis() - scheduledExecutionTime() >= MAX_TARDINESS) return; // Too late; skip this execution. // Perform the task } } This method is typicallynotused in conjunction withfixed-delay executionrepeating tasks, as their scheduled execution ti...
1try{2yourService.yourMethod(params);//假设这是调用服务的方法3}catch(RpcException e) {4if(e.isTimeout()) {5//处理超时异常,比如记录日志、进行重试或返回特定错误信息给用户6}else{7//处理其他类型的RPC异常8}9}catch(Exception e) {10//处理非RpcException的其他异常11} ...
--Spring 2.0 可以用 AspectJ 的语法定义 Pointcut,这里自定义要拦截方法的包所在--><aop:advisorid="methodTimeLog"advice-ref="methodTimeAdvice"pointcut="execution(* com.cplatform.tencent.sync..*.*(..))"/><aop:advisorid="methodTimeLog2"advice-ref="methodTimeAdvice"pointcut="execution(* com.c...
Returns the scheduled execution time of the most recent actual execution of this task. (If this method is invoked while task execution is in progress, the return value is the scheduled execution time of the ongoing task execution.) This method is typically invoked from within a task's run me...
共包含 208 道面试题,本文的宗旨是为读者朋友们整理一份详实而又权威的面试清单,下面一起进入主题吧。 Java 基础 1. JDK 和 JRE 有什么区别? JDK:Java Development Kit 的简称,Java 开发工具包,提供了 Java 的开发环境和运行环境。 JRE:Java Runtime Environment 的简称,Java 运行环境,为 Java 的运行提供了所...
Returns the scheduled execution time of the most recent actual execution of this task. (If this method is invoked while task execution is in progress, the return value is the scheduled execution time of the ongoing task execution.) This method is typically invoked from within a task's run me...