/*
* 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 namespace registry operations.
*/
public interface NamespaceEventChannel {
/**
* Called when a namespace has been remapped.
*
* @param oldPrefix old prefix. if <code>null</code> this is a fresh mapping
* @param newPrefix new prefix. if <code>null</code> this is an unmap operation
* @param uri uri to map prefix to
*/
void remapped(String oldPrefix, String newPrefix, String uri);
/**
* Set listener that will receive information about incoming, external namespace events.
*
* @param listener namespace event listener
*/
void setListener(NamespaceEventListener listener);
}