001    // Copyright 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.ioc;
016    
017    /**
018     * Introduced for Tapestry 5.3, contains new methods to provide access to annotations on the class,
019     * and on methods of the class. In rare cases, the same annotation type will appear on the service interface
020     * and on the class (or method implementation in the class); the implementation annotation always
021     * has precedence over the interface annotation.
022     * 
023     * @since 5.3
024     */
025    public interface AnnotationAccess
026    {
027        /**
028         * Returns a provider for annotations on the service class and interface. This will reflect annotations defined by
029         * the implementation class itself, plus annotations defined by the service interface (implementation class
030         * annotations take precedence).
031         */
032        AnnotationProvider getClassAnnotationProvider();
033    
034        /**
035         * Returns a provider for annotations of a method of the class. This includes annotations on
036         * the implementation method, plus annotations on the corresponding service interface method
037         * (if such a method exists), with precedence on the implementation class method annotations.
038         */
039        AnnotationProvider getMethodAnnotationProvider(String methodName, Class... parameterTypes);
040    
041    }