01: /*
02: * Copyright 2002-2006 the original author or authors.
03: *
04: * Licensed under the Apache License, Version 2.0 (the "License");
05: * you may not use this file except in compliance with the License.
06: * You may obtain a copy of the License at
07: *
08: * http://www.apache.org/licenses/LICENSE-2.0
09: *
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 name);
49:
50: }
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