001    // Copyright 2008, 2010, 2011 The Apache Software Foundation
002    //
003    // Licensed under the Apache License, Version 2.0 (the "License");
004    // you may not use this file except in compliance with the License.
005    // You may obtain a copy of the License at
006    //
007    // http://www.apache.org/licenses/LICENSE-2.0
008    //
009    // Unless required by applicable law or agreed to in writing, software
010    // distributed under the License is distributed on an "AS IS" BASIS,
011    // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
012    // See the License for the specific language governing permissions and
013    // limitations under the License.
014    
015    package org.apache.tapestry5.services;
016    
017    /**
018     * An object that receives control around an "advised" method of a component. The advise can query or even replace
019     * method parameters. After invoking {@link org.apache.tapestry5.services.ComponentMethodInvocation#proceed()}, the
020     * advice may query and override thrown exceptions or the return value of the invocation.
021     * 
022     * @see TransformMethod#addAdvice(ComponentMethodAdvice)
023     * @see ComponentInstanceOperation
024     * @deprecated Deprecated in 5.3
025     * @see org.apache.tapestry5.plastic.PlasticClass
026     * @see org.apache.tapestry5.plastic.PlasticMethod
027     * @see org.apache.tapestry5.plastic.MethodAdvice
028     */
029    @SuppressWarnings({"deprecation"})
030    public interface ComponentMethodAdvice
031    {
032        void advise(ComponentMethodInvocation invocation);
033    }