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Java > Open Source Codes > org > springframework > beans > factory > HierarchicalBeanFactory


1 /*
2  * Copyright 2002-2006 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.beans.factory;
18
19 /**
20  * Sub-interface implemented by bean factories that can be part
21  * of a hierarchy.
22  *
23  * <p>The corresponding <code>setParentBeanFactory</code> method for bean
24  * factories that allow setting the parent in a configurable
25  * fashion can be found in the ConfigurableBeanFactory interface.
26  *
27  * @author Rod Johnson
28  * @author Juergen Hoeller
29  * @since 07.07.2003
30  * @see org.springframework.beans.factory.config.ConfigurableBeanFactory#setParentBeanFactory
31  */

32 public interface HierarchicalBeanFactory extends BeanFactory {
33     
34     /**
35      * Return the parent bean factory, or <code>null</code> if there is none.
36      */

37     BeanFactory getParentBeanFactory();
38
39     /**
40      * Return whether the local bean factory contains a bean of the given name,
41      * ignoring beans defined in ancestor contexts.
42      * <p>This is an alternative to <code>containsBean</code>, ignoring a bean
43      * of the given name from an ancestor bean factory.
44      * @param name the name of the bean to query
45      * @return whether a bean with the given name is defined in the local factory
46      * @see org.springframework.beans.factory.BeanFactory#containsBean
47      */

48     boolean containsLocalBean(String JavaDoc name);
49
50 }
51
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