com.loadtesting.showcase.springmvc.aop.CapturingAspect.java Source code

Introduction

Here is the source code for com.loadtesting.showcase.springmvc.aop.CapturingAspect.java

Source

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 * 
 *      http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.loadtesting.showcase.springmvc.aop;

import org.aspectj.lang.ProceedingJoinPoint;
import org.aspectj.lang.annotation.Around;
import org.aspectj.lang.annotation.Aspect;
import org.springframework.stereotype.Component;

import com.loadtesting.core.annotation.MeasuredHere;
import com.loadtesting.core.calltree.stat.StatisticsCapturer;
import com.loadtesting.core.calltree.stat.cache.ConcurrentHandler;

/**
 * @author Woranop Chaiyakulvat(nineworanop@gmail.com)
 */
@Aspect
@Component
public class CapturingAspect {

    private Object obj;

    public CapturingAspect() {
        obj = new Object();
    }

    @Around("execution(* *(..)) && @annotation(measuredHere)")
    public Object around(ProceedingJoinPoint point, MeasuredHere measuredHere) throws Throwable {
        String capturerName = measuredHere.name();
        StatisticsCapturer capturer = ConcurrentHandler.getSingletonInstance().getStatisticsCapturer(capturerName);
        synchronized (obj) {
            capturer.startCapture();
        }
        boolean hasError = true;
        try {
            Object result = point.proceed();
            hasError = false;
            return result;
        } catch (Throwable th) {
            throw th;
        } finally {
            if (hasError) {
                synchronized (obj) {
                    capturer.endCaptureWithError();
                }
            } else {
                synchronized (obj) {
                    capturer.endCapture();
                }
            }
        }
    }
}