/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.apache.jackrabbit.core.cluster;
import java.util.List;
import org.apache.jackrabbit.core.observation.EventState;
import org.apache.jackrabbit.core.state.ChangeLog;
import javax.jcr.RepositoryException;
/**
* Interface used to receive information about incoming, external update events.
*/
public interface UpdateEventListener {
/**
* Handle an external update.
*
* @param changes external changes containing only node and property ids.
* @param events events to deliver
* @param timestamp when the change occurred.
* @param userData the user data associated with this update.
* @throws RepositoryException if the update cannot be processed
*/
void externalUpdate(ChangeLog changes, List<EventState> events, long timestamp, String userData)
throws RepositoryException;
}