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;
  import java.net.InetSocketAddress;
  import org.apache.zookeeper.server.NIOServerCnxnFactory;
  import org.apache.zookeeper.server.ZooKeeperServer;
  
  class ZooKeeperServerShimImpl implements ZooKeeperServerShim {
  
      ZooKeeperServer zks = null;
      NIOServerCnxnFactory serverFactory = null;
  
      @Override
      public void initialize(File snapDir, File logDir, int zkPort, int maxCC) throws IOException {
          zks = new ZooKeeperServer(snapDir, logDir, ZooKeeperServer.DEFAULT_TICK_TIME);
          serverFactory = new NIOServerCnxnFactory();
          serverFactory.configure(new InetSocketAddress(zkPort), maxCC);
      }
  
      @Override
      public void start() throws IOException {
          if (null == zks || null == serverFactory) {
              throw new IOException("Start zookeeper server before initialization.");
          }
          try {
              serverFactory.startup(zks);
          } catch (InterruptedException e) {
              Thread.currentThread().interrupt();
              throw new IOException("Interrupted when starting zookeeper server : ", e);
          }
      }
  
      @Override
      public void stop() {
          if (null != serverFactory) {
              serverFactory.shutdown();
          }
          if (null != zks) {
              zks.shutdown();
          }
      }
  }
  