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}