/**
 * Copyright 2010 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 com.github.zkclient;

import org.apache.zookeeper.Watcher.Event.KeeperState;

public interface IZkStateListener {

    /**
     * Called when the zookeeper connection state has changed.
     *
     * @param state The new state.
     * @throws Exception On any error.
     */
    public void handleStateChanged(KeeperState state) throws Exception;

    /**
     * Called after the zookeeper session has expired and a new session has been created. You would have to re-create
     * any ephemeral nodes here.
     *
     * @throws Exception On any error.
     */
    public void handleNewSession() throws Exception;
}
