content: /*
   *
   * 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.bookkeeper.shims.zk;
  
  import java.io.File;
  import java.io.IOException;
  
  /**
   * In order to be compatible with multiple versions of ZooKeeper.
   * All parts of the ZooKeeper Server that are not cross-version
   * compatible are encapsulated in an implementation of this class.
   */
  public interface ZooKeeperServerShim {
  
      /**
       * Initialize zookeeper server.
       *
       * @param snapDir
       *          Snapshot Dir.
       * @param logDir
       *          Log Dir.
       * @param zkPort
       *          ZooKeeper Port.
       * @param maxCC
       *          Max Concurrency for Client.
       * @throws IOException when failed to initialize zookeeper server.
       */
      void initialize(File snapDir, File logDir, int zkPort, int maxCC) throws IOException;
  
      /**
       * Start the zookeeper server.
       *
       * @throws IOException when failed to start zookeeper server.
       */
      void start() throws IOException;
  
      /**
       * Stop the zookeeper server.
       */
      void stop();
  
  }
  