/**
* 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.tajo.rpc;
/**
* Event listener for netty code. Users can subscribe events by using this interface.
*/
public interface RpcEventListener {
/**
* Performs actions before start.
* @param obj Method caller
*/
public void onBeforeStart(Object obj);
/**
* Performs actions after start.
* @param obj Method caller
*/
public void onAfterStart(Object obj);
/**
* Performs actions before initialization.
* @param obj Method caller
*/
public void onBeforeInit(Object obj);
/**
* Performs actions after initialization.
* @param obj Method caller
*/
public void onAfterInit(Object obj);
/**
* Performs actions before shutdown.
* @param obj Method caller
*/
public void onBeforeShutdown(Object obj);
/**
* Performs actions after shutdown.
* @param obj Method caller
*/
public void onAfterShutdown(Object obj);
}