/*
* 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;
/**
* Event channel used to transmit update operations.
*/
public interface UpdateEventChannel {
/**
* Called when an a update operation has been created.
*
* @param update update operation
* @throws ClusterException if an error occurs writing to the event channel.
*/
void updateCreated(Update update) throws ClusterException;
/**
* Called when an a update operation has been prepared.
*
* @param update update operation
* @throws ClusterException if an error occurs writing to the event channel.
*/
void updatePrepared(Update update) throws ClusterException;
/**
* Called when an a update operation has been committed.
*
* @param update update operation
* @param path the change path
*/
void updateCommitted(Update update, String path);
/**
* Called when an a update operation has been cancelled.
*
* @param update update operation
*/
void updateCancelled(Update update);
/**
* Set listener that will receive information about incoming, external update events.
*
* @param listener update event listener
*/
void setListener(UpdateEventListener listener);
}