/*
* Copyright (C) 2015 Red Hat, Inc. and/or its affiliates.
*
* 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.jboss.errai.ioc.client.lifecycle.api;
import java.util.Set;
/**
* An event representing a change in a bean instances internal state.
*
* @author Max Barkley <mbarkley@redhat.com>
*/
public interface StateChange<T> extends LifecycleEvent<T> {
/**
* @return The set of names of fields whose values changed.
*/
public Set<String> getChangedFieldNames();
/**
* This must be set before the event is fired.
*
* @param changedFieldNames The set of names of fields whose values changed.
*/
public void setChangedFieldNames(Set<String> changedFieldNames);
}