org.springframework.webflow.core.collection.AttributeMapBindingListener Maven / Gradle / Ivy
/*
* Copyright 2002-2006 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.webflow.core.collection;
/**
* Causes an object to be notified when it is bound or unbound from
* an {@link AttributeMap}.
*
* Note that this is an optional feature and not all {@link AttributeMap}
* implementations support it.
*
* @see AttributeMap
*
* @author Ben Hale
*/
public interface AttributeMapBindingListener {
/**
* Called when the implementing instance is bound into an
* AttributeMap.
* @param event information about the binding event
*/
void valueBound(AttributeMapBindingEvent event);
/**
* Called when the implementing instance is unbound from an
* AttributeMap.
* @param event information about the unbinding event
*/
void valueUnbound(AttributeMapBindingEvent event);
}