hbase-server/src/test/java/org/apache/hadoop/hbase/util/MockServer.java

   1 /*
   2  * Licensed to the Apache Software Foundation (ASF) under one
   3  * or more contributor license agreements.  See the NOTICE file
   4  * distributed with this work for additional information
   5  * regarding copyright ownership.  The ASF licenses this file
   6  * to you under the Apache License, Version 2.0 (the
   7  * "License"); you may not use this file except in compliance
   8  * with the License.  You may obtain a copy of the License at
   9  *
  10  *     http://www.apache.org/licenses/LICENSE-2.0
  11  *
  12  * Unless required by applicable law or agreed to in writing, software
  13  * distributed under the License is distributed on an "AS IS" BASIS,
  14  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  15  * See the License for the specific language governing permissions and
  16  * limitations under the License.
  17  */
  18 package org.apache.hadoop.hbase.util;
  19
  20 import java.io.IOException;
  21 import org.apache.hadoop.conf.Configuration;
  22 import org.apache.hadoop.fs.FileSystem;
  23 import org.apache.hadoop.hbase.ChoreService;
  24 import org.apache.hadoop.hbase.CoordinatedStateManager;
  25 import org.apache.hadoop.hbase.HBaseTestingUtility;
  26 import org.apache.hadoop.hbase.Server;
  27 import org.apache.hadoop.hbase.ServerName;
  28 import org.apache.hadoop.hbase.ZooKeeperConnectionException;
  29 import org.apache.hadoop.hbase.client.AsyncClusterConnection;
  30 import org.apache.hadoop.hbase.client.Connection;
  31 import org.apache.hadoop.hbase.log.HBaseMarkers;
  32 import org.apache.hadoop.hbase.zookeeper.ZKWatcher;
  33 import org.slf4j.Logger;
  34 import org.slf4j.LoggerFactory;
  35
  36 /**
  37  * Basic mock Server for handler tests.
  38  */
  39 public class MockServer implements Server {
  40   private static final Logger LOG = LoggerFactory.getLogger(MockServer.class);
  41   final static ServerName NAME = ServerName.valueOf("MockServer", 123, -1);
  42
  43   boolean stopped;
  44   boolean aborted;
  45   final ZKWatcher zk;
  46   final HBaseTestingUtility htu;
  47
  48   public MockServer() throws ZooKeeperConnectionException, IOException {
  49     // Shutdown default constructor by making it private.
  50     this(null);
  51   }
  52
  53   public MockServer(final HBaseTestingUtility htu)
  54   throws ZooKeeperConnectionException, IOException {
  55     this(htu, true);
  56   }
  57
  58   /**
  59    * @param htu Testing utility to use
  60    * @param zkw If true, create a zkw.
  61    * @throws ZooKeeperConnectionException
  62    * @throws IOException
  63    */
  64   public MockServer(final HBaseTestingUtility htu, final boolean zkw)
  65   throws ZooKeeperConnectionException, IOException {
  66     this.htu = htu;
  67     this.zk = zkw?
  68       new ZKWatcher(htu.getConfiguration(), NAME.toString(), this, true):
  69       null;
  70   }
  71
  72   @Override
  73   public void abort(String why, Throwable e) {
  74     LOG.error(HBaseMarkers.FATAL, "Abort why=" + why, e);
  75     stop(why);
  76     this.aborted = true;
  77   }
  78
  79   @Override
  80   public void stop(String why) {
  81     LOG.debug("Stop why=" + why);
  82     this.stopped = true;
  83   }
  84
  85   @Override
  86   public boolean isStopped() {
  87     return this.stopped;
  88   }
  89
  90   @Override
  91   public Configuration getConfiguration() {
  92     return this.htu.getConfiguration();
  93   }
  94
  95   @Override
  96   public ZKWatcher getZooKeeper() {
  97     return this.zk;
  98   }
  99
 100   @Override
 101   public CoordinatedStateManager getCoordinatedStateManager() {
 102     return null;
 103   }
 104
 105   @Override
 106   public Connection getConnection() {
 107     return null;
 108   }
 109
 110   @Override
 111   public ServerName getServerName() {
 112     return NAME;
 113   }
 114
 115   @Override
 116   public boolean isAborted() {
 117     return this.aborted;
 118   }
 119
 120   @Override
 121   public ChoreService getChoreService() {
 122     return null;
 123   }
 124
 125   @Override
 126   public FileSystem getFileSystem() {
 127     return null;
 128   }
 129
 130   @Override
 131   public boolean isStopping() {
 132     return false;
 133   }
 134
 135   @Override
 136   public Connection createConnection(Configuration conf) throws IOException {
 137     return null;
 138   }
 139
 140   @Override
 141   public AsyncClusterConnection getAsyncClusterConnection() {
 142     return null;
 143   }
 144 }