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}