net.sf.infrared.aspects.aj.InfraREDBaseAspect.java Source code

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Here is the source code for net.sf.infrared.aspects.aj.InfraREDBaseAspect.java

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/* 
 * Copyright 2005 Tavant Technologies and Contributors
 * 
 * Licensed 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.                                                                                               
 * 
 *
 *
 * Original Author:  binil.thomas (Tavant Technologies)
 * Contributor(s):   prashant.nair;
 *
 */

package net.sf.infrared.aspects.aj;

import net.sf.infrared.agent.MonitorConfig;
import net.sf.infrared.agent.MonitorFacade;
import net.sf.infrared.agent.MonitorFactory;
import net.sf.infrared.aspects.api.ApiContext;
import net.sf.infrared.base.model.ExecutionTimer;

import org.aspectj.lang.ProceedingJoinPoint;
import org.aspectj.lang.annotation.Around;
import org.aspectj.lang.annotation.Aspect;
import org.aspectj.lang.annotation.Pointcut;

/**
 * Base Aspect for AspectJ that is executed for all pointcuts
 */
@Aspect
public abstract class InfraREDBaseAspect {
    /**
     * The condition based on which monitoring is performed.
     */
    @Pointcut
    public abstract void condition();

    /**
     * Gets the type (Session Bean/Entity Bean/JDBC etc.) of API.
     */
    public abstract String getApiType();

    /**
    *  Tracks the time taken by a method call and updates the statistics
     * @throws Throwable 
    **/
    @SuppressWarnings("unchecked")
    @Around("condition()")
    public Object around(ProceedingJoinPoint thisJoinPointStaticPart) throws Throwable {
        final Class classObj = thisJoinPointStaticPart.getSignature().getDeclaringType();
        final String methodName = thisJoinPointStaticPart.getSignature().getName();
        final String apiType = getApiType();
        Object returnVal;
        ApiContext ctx = new ApiContext(classObj.getName(), methodName, apiType);

        MonitorFacade facade = MonitorFactory.getFacade();
        MonitorConfig cfg = facade.getConfiguration();

        if (cfg.isMonitoringEnabled()) {
            ExecutionTimer timer = new ExecutionTimer(ctx);
            MonitorFactory.getFacade().recordExecutionBegin(timer);
            try {
                returnVal = thisJoinPointStaticPart.proceed();
            } finally {
                MonitorFactory.getFacade().recordExecutionEnd(timer);
            }
        } else {
            returnVal = thisJoinPointStaticPart.proceed();
        }

        return returnVal;

    }
}