001/* 002 * Copyright 2002-2016 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.beans.factory.config.BeanDefinition; 020 021/** 022 * Strategy interface for resolving the scope of bean definitions. 023 * 024 * @author Mark Fisher 025 * @since 2.5 026 * @see org.springframework.context.annotation.Scope 027 */ 028@FunctionalInterface 029public interface ScopeMetadataResolver { 030 031 /** 032 * Resolve the {@link ScopeMetadata} appropriate to the supplied 033 * bean {@code definition}. 034 * <p>Implementations can of course use any strategy they like to 035 * determine the scope metadata, but some implementations that spring 036 * immediately to mind might be to use source level annotations 037 * present on {@link BeanDefinition#getBeanClassName() the class} of the 038 * supplied {@code definition}, or to use metadata present in the 039 * {@link BeanDefinition#attributeNames()} of the supplied {@code definition}. 040 * @param definition the target bean definition 041 * @return the relevant scope metadata; never {@code null} 042 */ 043 ScopeMetadata resolveScopeMetadata(BeanDefinition definition); 044 045}