/*
* Copyright 2002-2005 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.context;
/**
* Sub-interface of MessageSource to be implemented by objects that
* can resolve messages hierarchically.
*
* @author Rod Johnson
* @author Juergen Hoeller
*/
public interface HierarchicalMessageSource extends MessageSource {
/**
* Set the parent that will be used to try to resolve messages
* that this object can't resolve.
* @param parent the parent MessageSource that will be used to
* resolve messages that this object can't resolve.
* May be <code>null</code>, in which case no further resolution is possible.
*/
void setParentMessageSource(MessageSource parent);
/**
* Return the parent of this MessageSource, or <code>null</code> if none.
*/
MessageSource getParentMessageSource();
}
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