content: /**
   * Copyright The Apache Software Foundation
   *
   * 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 com.alibaba.wasp.util;
  
  import com.alibaba.wasp.Server;
  import com.alibaba.wasp.ServerName;
  import com.alibaba.wasp.WaspTestingUtility;
  import com.alibaba.wasp.ZooKeeperConnectionException;
  import com.alibaba.wasp.zookeeper.ZooKeeperWatcher;
  import org.apache.commons.logging.Log;
  import org.apache.commons.logging.LogFactory;
  import org.apache.hadoop.conf.Configuration;
  
  import java.io.IOException;
  
  public class MockServer implements Server {
    static final Log LOG = LogFactory.getLog(MockServer.class);
    final static ServerName NAME = new ServerName("MockServer", 123, -1);
  
    boolean stopped;
    boolean aborted;
    final ZooKeeperWatcher zk;
    final WaspTestingUtility htu;
  
    public MockServer() throws ZooKeeperConnectionException, IOException {
      // Shutdown default constructor by making it private.
      this(null);
    }
  
    public MockServer(final WaspTestingUtility htu)
        throws ZooKeeperConnectionException, IOException {
      this(htu, true);
    }
  
    /**
     * @param htu Testing utility to use
     * @param zkw If true, create a zkw.
     * @throws com.alibaba.wasp.ZooKeeperConnectionException
     * @throws java.io.IOException
     */
    public MockServer(final WaspTestingUtility htu, final boolean zkw)
        throws ZooKeeperConnectionException, IOException {
      this.htu = htu;
      this.zk = zkw ? new ZooKeeperWatcher(htu.getConfiguration(),
          NAME.toString(), this, true) : null;
    }
  
    @Override
    public void abort(String why, Throwable e) {
      LOG.fatal("Abort why=" + why, e);
      stop(why);
      this.aborted = true;
    }
  
    @Override
    public void stop(String why) {
      LOG.debug("Stop why=" + why);
      this.stopped = true;
    }
  
    @Override
    public boolean isStopped() {
      return this.stopped;
    }
  
    @Override
    public Configuration getConfiguration() {
      return this.htu.getConfiguration();
    }
  
    @Override
    public ZooKeeperWatcher getZooKeeper() {
      return this.zk;
    }
  
    @Override
    public ServerName getServerName() {
      return NAME;
    }
  
    @Override
    public boolean isAborted() {
      return this.aborted;
    }
  }