001/*
002 * Licensed to the Apache Software Foundation (ASF) under one or more
003 * contributor license agreements.  See the NOTICE file distributed with
004 * this work for additional information regarding copyright ownership.
005 * The ASF licenses this file to You under the Apache License, Version 2.0
006 * (the "License"); you may not use this file except in compliance with
007 * the License.  You may obtain a copy of the License at
008 *
009 *      http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 */
017package org.apache.wicket.metrics.aspects.component;
018
019import org.apache.wicket.metrics.WicketMetrics;
020import org.aspectj.lang.ProceedingJoinPoint;
021import org.aspectj.lang.annotation.Around;
022import org.aspectj.lang.annotation.Aspect;
023
024/**
025 * Gets information how often different components are initialized
026 * 
027 * @author Tobias Soloschenko
028 */
029@Aspect
030public class ComponentOnInitializeAspect extends WicketMetrics
031{
032        /**
033         * Collects data how often components calls onInitialize
034         * 
035         * @param joinPoint
036         *            the join point (component) which is initialized
037         * @return the object returned from the join point
038         * 
039         * @throws Throwable
040         *             might occur while invoking onInitialize
041         */
042        @Around("execution(* org.apache.wicket.Component.onInitialize(..))")
043        public Object aroundOnInitialize(ProceedingJoinPoint joinPoint) throws Throwable
044        {
045                return measureTime("core/component/initialize", joinPoint);
046        }
047}