/*
* 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 org.apache.wicket.metrics.aspects.session;
import org.apache.wicket.metrics.WicketMetrics;
import org.aspectj.lang.ProceedingJoinPoint;
import org.aspectj.lang.annotation.Around;
import org.aspectj.lang.annotation.Aspect;
/**
* The Session count listener aspect measures how many sessions are active
*
* @author Tobias Soloschenko
*
*/
@Aspect
public class SessionCountListenerAspect extends WicketMetrics
{
/**
* Measures if a session is going to be activated
*
* @param joinPoint
* the join point
* @return void
* @throws Throwable
* if an error occurred
*/
@Around("execution(* org.apache.wicket.metrics.aspects.session.SessionCountListener.inc(..))")
public Object aroundInc(ProceedingJoinPoint joinPoint) throws Throwable
{
Object count = joinPoint.proceed();
count("core/session/count", null, CounterOperation.INC, 1L);
return count;
}
/**
* Measures if a session is going to be destroyed
*
* @param joinPoint
* the join point
* @return void
* @throws Throwable
* if an error occurred
*/
@Around("execution(* org.apache.wicket.metrics.aspects.session.SessionCountListener.dec(..))")
public Object aroundDec(ProceedingJoinPoint joinPoint) throws Throwable
{
Object count = joinPoint.proceed();
count("core/session/count", null, CounterOperation.DEC, 1L);
return count;
}
}