001/*
002 * Copyright 2002-2012 the original author or authors.
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 *      https://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 */
016
017package org.springframework.context.annotation;
018
019import org.springframework.instrument.classloading.LoadTimeWeaver;
020
021/**
022 * Interface to be implemented by
023 * {@link org.springframework.context.annotation.Configuration @Configuration}
024 * classes annotated with {@link EnableLoadTimeWeaving @EnableLoadTimeWeaving} that wish to
025 * customize the {@link LoadTimeWeaver} instance to be used.
026 *
027 * <p>See {@link org.springframework.scheduling.annotation.EnableAsync @EnableAsync}
028 * for usage examples and information on how a default {@code LoadTimeWeaver}
029 * is selected when this interface is not used.
030 *
031 * @author Chris Beams
032 * @since 3.1
033 * @see LoadTimeWeavingConfiguration
034 * @see EnableLoadTimeWeaving
035 */
036public interface LoadTimeWeavingConfigurer {
037
038        /**
039         * Create, configure and return the {@code LoadTimeWeaver} instance to be used. Note
040         * that it is unnecessary to annotate this method with {@code @Bean}, because the
041         * object returned will automatically be registered as a bean by
042         * {@link LoadTimeWeavingConfiguration#loadTimeWeaver()}
043         */
044        LoadTimeWeaver getLoadTimeWeaver();
045
046}