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 }