/*
* Copyright 2014 the original author or authors.
*
* 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.springframework.xd.dirt.zookeeper;
import org.apache.curator.framework.CuratorFramework;
import org.apache.curator.framework.state.ConnectionStateListener;
/**
* Listener for ZooKeeper connection and disconnection events.
*
* @author Mark Fisher
*/
public interface ZooKeeperConnectionListener {
/**
* Called when the Curator {@link ConnectionStateListener} receives a
* {@link org.apache.curator.framework.state.ConnectionState#CONNECTED} event.
*
* @param client the {@link CuratorFramework} instance
*/
void onConnect(CuratorFramework client);
/**
* Called when the Curator {@link ConnectionStateListener} receives a
* {@link org.apache.curator.framework.state.ConnectionState#RECONNECTED} event.
*
* @param client the {@link CuratorFramework} instance
*/
void onResume(CuratorFramework client);
/**
* Called when the Curator {@link ConnectionStateListener} receives a
* {@link org.apache.curator.framework.state.ConnectionState#LOST} event.
*
* @param client the {@link CuratorFramework} instance
*/
void onDisconnect(CuratorFramework client);
/**
* Called when the Curator {@link ConnectionStateListener} receives a
* {@link org.apache.curator.framework.state.ConnectionState#SUSPENDED} event.
*
* @param client the {@link CuratorFramework} instance
*/
void onSuspend(CuratorFramework client);
}