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1   /*
2    * Copyright 2002-2012 the original author or authors.
3    *
4    * Licensed under the Apache License, Version 2.0 (the "License");
5    * you may not use this file except in compliance with the License.
6    * You may obtain a copy of the License at
7    *
8    *      http://www.apache.org/licenses/LICENSE-2.0
9    *
10   * Unless required by applicable law or agreed to in writing, software
11   * distributed under the License is distributed on an "AS IS" BASIS,
12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13   * See the License for the specific language governing permissions and
14   * limitations under the License.
15   */
16  
17  package org.springframework.context.annotation;
18  
19  import org.springframework.beans.factory.config.BeanDefinition;
20  
21  /**
22   * Strategy interface for resolving the scope of bean definitions.
23   *
24   * @author Mark Fisher
25   * @since 2.5
26   * @see org.springframework.context.annotation.Scope
27   */
28  public interface ScopeMetadataResolver {
29  
30  	/**
31  	 * Resolve the {@link ScopeMetadata} appropriate to the supplied
32  	 * bean {@code definition}.
33  	 * <p>Implementations can of course use any strategy they like to
34  	 * determine the scope metadata, but some implementations that spring
35  	 * immediately to mind might be to use source level annotations
36  	 * present on {@link BeanDefinition#getBeanClassName() the class} of the
37  	 * supplied {@code definition}, or to use metadata present in the
38  	 * {@link BeanDefinition#attributeNames()} of the supplied {@code definition}.
39  	 * @param definition the target bean definition
40  	 * @return the relevant scope metadata; never {@code null}
41  	 */
42  	ScopeMetadata resolveScopeMetadata(BeanDefinition definition);
43  
44  }