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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;
19  
20  import java.io.IOException;
21  import java.net.InetSocketAddress;
22  import java.util.HashMap;
23  import java.util.List;
24  import java.util.Map;
25  import java.util.concurrent.ConcurrentSkipListMap;
26  
27  import com.google.protobuf.Message;
28  import org.apache.hadoop.conf.Configuration;
29  import org.apache.hadoop.fs.FileSystem;
30  import org.apache.hadoop.hbase.catalog.CatalogTracker;
31  import org.apache.hadoop.hbase.executor.ExecutorService;
32  import org.apache.hadoop.hbase.fs.HFileSystem;
33  import org.apache.hadoop.hbase.ipc.RpcServerInterface;
34  import org.apache.hadoop.hbase.master.TableLockManager;
35  import org.apache.hadoop.hbase.master.TableLockManager.NullTableLockManager;
36  import org.apache.hadoop.hbase.protobuf.generated.RPCProtos;
37  import org.apache.hadoop.hbase.protobuf.generated.RegionServerStatusProtos.RegionTransition.TransitionCode;
38  import org.apache.hadoop.hbase.regionserver.CompactionRequestor;
39  import org.apache.hadoop.hbase.regionserver.FlushRequester;
40  import org.apache.hadoop.hbase.regionserver.HRegion;
41  import org.apache.hadoop.hbase.regionserver.Leases;
42  import org.apache.hadoop.hbase.regionserver.RegionServerAccounting;
43  import org.apache.hadoop.hbase.regionserver.RegionServerServices;
44  import org.apache.hadoop.hbase.regionserver.ServerNonceManager;
45  import org.apache.hadoop.hbase.regionserver.wal.HLog;
46  import org.apache.hadoop.hbase.util.Bytes;
47  import org.apache.hadoop.hbase.zookeeper.ZooKeeperWatcher;
48  import org.apache.zookeeper.KeeperException;
49  
50  /**
51   * Basic mock region server services.  Should only be instantiated by HBaseTestingUtility.b
52   */
53  class MockRegionServerServices implements RegionServerServices {
54    private final Map<String, HRegion> regions = new HashMap<String, HRegion>();
55    private boolean stopping = false;
56    private final ConcurrentSkipListMap<byte[], Boolean> rit =
57      new ConcurrentSkipListMap<byte[], Boolean>(Bytes.BYTES_COMPARATOR);
58    private HFileSystem hfs = null;
59    private ZooKeeperWatcher zkw = null;
60    private ServerName serverName = null;
61    private RpcServerInterface rpcServer = null;
62    private volatile boolean abortRequested;
63  
64    MockRegionServerServices(ZooKeeperWatcher zkw) {
65      this.zkw = zkw;
66    }
67  
68    MockRegionServerServices(ZooKeeperWatcher zkw, ServerName serverName) {
69      this.zkw = zkw;
70      this.serverName = serverName;
71    }
72  
73    MockRegionServerServices(){
74      this(null);
75    }
76  
77    @Override
78    public boolean removeFromOnlineRegions(HRegion r, ServerName destination) {
79      return this.regions.remove(r.getRegionInfo().getEncodedName()) != null;
80    }
81  
82    @Override
83    public HRegion getFromOnlineRegions(String encodedRegionName) {
84      return this.regions.get(encodedRegionName);
85    }
86  
87    public List<HRegion> getOnlineRegions(TableName tableName) throws IOException {
88      return null;
89    }
90  
91    @Override
92    public void addToOnlineRegions(HRegion r) {
93      this.regions.put(r.getRegionInfo().getEncodedName(), r);
94    }
95  
96    @Override
97    public void postOpenDeployTasks(HRegion r, CatalogTracker ct)
98        throws KeeperException, IOException {
99      addToOnlineRegions(r);
100   }
101 
102   @Override
103   public boolean isStopping() {
104     return this.stopping;
105   }
106 
107   @Override
108   public RpcServerInterface getRpcServer() {
109     return rpcServer;
110   }
111 
112   public void setRpcServer(RpcServerInterface rpc) {
113     this.rpcServer = rpc;
114   }
115   
116   @Override
117   public ConcurrentSkipListMap<byte[], Boolean> getRegionsInTransitionInRS() {
118     return rit;
119   }
120 
121   @Override
122   public FlushRequester getFlushRequester() {
123     return null;
124   }
125 
126   @Override
127   public CompactionRequestor getCompactionRequester() {
128     return null;
129   }
130 
131   @Override
132   public CatalogTracker getCatalogTracker() {
133     return null;
134   }
135 
136   @Override
137   public ZooKeeperWatcher getZooKeeper() {
138     return zkw;
139   }
140 
141   public RegionServerAccounting getRegionServerAccounting() {
142     return null;
143   }
144 
145   @Override
146   public TableLockManager getTableLockManager() {
147     return new NullTableLockManager();
148   }
149 
150   @Override
151   public ServerName getServerName() {
152     return this.serverName;
153   }
154 
155   @Override
156   public Configuration getConfiguration() {
157     return zkw == null ? null : zkw.getConfiguration();
158   }
159 
160   @Override
161   public void abort(String why, Throwable e) {
162     this.abortRequested = true;
163     stop(why);
164   }
165 
166   @Override
167   public void stop(String why) {
168     //no-op
169   }
170 
171   @Override
172   public boolean isStopped() {
173     return false;
174   }
175 
176   @Override
177   public boolean isAborted() {
178     return this.abortRequested;
179   }
180 
181   @Override
182   public HFileSystem getFileSystem() {
183     return this.hfs;
184   }
185 
186   public void setFileSystem(FileSystem hfs) {
187     this.hfs = (HFileSystem)hfs;
188   }
189 
190   @Override
191   public Leases getLeases() {
192     return null;
193   }
194 
195   @Override
196   public HLog getWAL(HRegionInfo regionInfo) throws IOException {
197     return null;
198   }
199 
200   @Override
201   public ExecutorService getExecutorService() {
202     return null;
203   }
204 
205   @Override
206   public void updateRegionFavoredNodesMapping(String encodedRegionName,
207       List<org.apache.hadoop.hbase.protobuf.generated.HBaseProtos.ServerName> favoredNodes) {
208   }
209 
210   @Override
211   public InetSocketAddress[] getFavoredNodesForRegion(String encodedRegionName) {
212     return null;
213   }
214 
215   @Override
216   public Map<String, HRegion> getRecoveringRegions() {
217     // TODO Auto-generated method stub
218     return null;
219   }
220 
221   @Override
222   public int getPriority(RPCProtos.RequestHeader header, Message param) {
223     return 0;
224   }
225 
226   @Override
227   public ServerNonceManager getNonceManager() {
228     // TODO Auto-generated method stub
229     return null;
230   }
231 
232   @Override
233   public boolean reportRegionTransition(TransitionCode code, long openSeqNum,
234       HRegionInfo... hris) {
235     return false;
236   }
237 
238   @Override
239   public boolean reportRegionTransition(TransitionCode code,
240       HRegionInfo... hris) {
241     return false;
242   }
243 }