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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.Set;
26  import java.util.concurrent.ConcurrentSkipListMap;
27  import java.util.concurrent.atomic.AtomicBoolean;
28  
29  import org.apache.commons.logging.Log;
30  import org.apache.commons.logging.LogFactory;
31  import org.apache.hadoop.conf.Configuration;
32  import org.apache.hadoop.fs.FileSystem;
33  import org.apache.hadoop.hbase.client.ClusterConnection;
34  import org.apache.hadoop.hbase.executor.ExecutorService;
35  import org.apache.hadoop.hbase.fs.HFileSystem;
36  import org.apache.hadoop.hbase.ipc.RpcServerInterface;
37  import org.apache.hadoop.hbase.master.TableLockManager;
38  import org.apache.hadoop.hbase.master.TableLockManager.NullTableLockManager;
39  import org.apache.hadoop.hbase.protobuf.generated.RegionServerStatusProtos.RegionStateTransition.TransitionCode;
40  import org.apache.hadoop.hbase.quotas.RegionServerQuotaManager;
41  import org.apache.hadoop.hbase.regionserver.CompactionRequestor;
42  import org.apache.hadoop.hbase.regionserver.FlushRequester;
43  import org.apache.hadoop.hbase.regionserver.HeapMemoryManager;
44  import org.apache.hadoop.hbase.regionserver.Leases;
45  import org.apache.hadoop.hbase.regionserver.MetricsRegionServer;
46  import org.apache.hadoop.hbase.regionserver.Region;
47  import org.apache.hadoop.hbase.regionserver.RegionServerAccounting;
48  import org.apache.hadoop.hbase.regionserver.RegionServerServices;
49  import org.apache.hadoop.hbase.regionserver.ServerNonceManager;
50  import org.apache.hadoop.hbase.util.Bytes;
51  import org.apache.hadoop.hbase.wal.WAL;
52  import org.apache.hadoop.hbase.zookeeper.MetaTableLocator;
53  import org.apache.hadoop.hbase.zookeeper.ZooKeeperWatcher;
54  import org.apache.zookeeper.KeeperException;
55  
56  import com.google.protobuf.Service;
57  
58  /**
59   * Basic mock region server services.  Should only be instantiated by HBaseTestingUtility.b
60   */
61  public class MockRegionServerServices implements RegionServerServices {
62    protected static final Log LOG = LogFactory.getLog(MockRegionServerServices.class);
63    private final Map<String, Region> regions = new HashMap<String, Region>();
64    private final ConcurrentSkipListMap<byte[], Boolean> rit =
65      new ConcurrentSkipListMap<byte[], Boolean>(Bytes.BYTES_COMPARATOR);
66    private HFileSystem hfs = null;
67    private final Configuration conf;
68    private ZooKeeperWatcher zkw = null;
69    private ServerName serverName = null;
70    private RpcServerInterface rpcServer = null;
71    private volatile boolean abortRequested;
72    private volatile boolean stopping = false;
73    private final AtomicBoolean running = new AtomicBoolean(true);
74  
75    MockRegionServerServices(ZooKeeperWatcher zkw) {
76      this(zkw, null);
77    }
78  
79    MockRegionServerServices(ZooKeeperWatcher zkw, ServerName serverName) {
80      this.zkw = zkw;
81      this.serverName = serverName;
82      this.conf = (zkw == null ? new Configuration() : zkw.getConfiguration());
83    }
84  
85    MockRegionServerServices(){
86      this(null, null);
87    }
88  
89    public MockRegionServerServices(Configuration conf) {
90      this.conf = conf;
91    }
92  
93    @Override
94    public boolean removeFromOnlineRegions(Region r, ServerName destination) {
95      return this.regions.remove(r.getRegionInfo().getEncodedName()) != null;
96    }
97  
98    @Override
99    public Region getFromOnlineRegions(String encodedRegionName) {
100     return this.regions.get(encodedRegionName);
101   }
102 
103   public List<Region> getOnlineRegions(TableName tableName) throws IOException {
104     return null;
105   }
106   
107   @Override
108   public Set<TableName> getOnlineTables() {
109     return null;
110   }
111 
112   @Override
113   public void addToOnlineRegions(Region r) {
114     this.regions.put(r.getRegionInfo().getEncodedName(), r);
115   }
116 
117   @Override
118   public void postOpenDeployTasks(Region r) throws KeeperException, IOException {
119     addToOnlineRegions(r);
120   }
121 
122   @Override
123   public void postOpenDeployTasks(PostOpenDeployContext context) throws KeeperException,
124       IOException {
125     addToOnlineRegions(context.getRegion());
126   }
127 
128   @Override
129   public boolean isStopping() {
130     return this.stopping;
131   }
132 
133   @Override
134   public RpcServerInterface getRpcServer() {
135     return rpcServer;
136   }
137 
138   public void setRpcServer(RpcServerInterface rpc) {
139     this.rpcServer = rpc;
140   }
141 
142   @Override
143   public ConcurrentSkipListMap<byte[], Boolean> getRegionsInTransitionInRS() {
144     return rit;
145   }
146 
147   @Override
148   public FlushRequester getFlushRequester() {
149     return null;
150   }
151 
152   @Override
153   public CompactionRequestor getCompactionRequester() {
154     return null;
155   }
156 
157   @Override
158   public ClusterConnection getConnection() {
159     return null;
160   }
161 
162   @Override
163   public MetaTableLocator getMetaTableLocator() {
164     return null;
165   }
166 
167   @Override
168   public ZooKeeperWatcher getZooKeeper() {
169     return zkw;
170   }
171 
172   @Override
173   public CoordinatedStateManager getCoordinatedStateManager() {
174     return null;
175   }
176 
177   public RegionServerAccounting getRegionServerAccounting() {
178     return null;
179   }
180 
181   @Override
182   public TableLockManager getTableLockManager() {
183     return new NullTableLockManager();
184   }
185   
186   @Override
187   public RegionServerQuotaManager getRegionServerQuotaManager() {
188     return null;
189   }
190 
191   @Override
192   public ServerName getServerName() {
193     return this.serverName;
194   }
195 
196   @Override
197   public Configuration getConfiguration() {
198     return conf;
199   }
200 
201   @Override
202   public void abort(String why, Throwable e) {
203     this.abortRequested = true;
204     stop(why);
205   }
206 
207   @Override
208   public void stop(String why) {
209     this.stopping = true;
210     if (running.compareAndSet(true, false)) {
211       LOG.info("Shutting down due to request '" + why + "'");
212     }
213   }
214 
215   @Override
216   public boolean isStopped() {
217     return !(running.get());
218   }
219 
220   @Override
221   public boolean isAborted() {
222     return this.abortRequested;
223   }
224 
225   @Override
226   public HFileSystem getFileSystem() {
227     return this.hfs;
228   }
229 
230   public void setFileSystem(FileSystem hfs) {
231     this.hfs = (HFileSystem)hfs;
232   }
233 
234   @Override
235   public Leases getLeases() {
236     return null;
237   }
238 
239   @Override
240   public WAL getWAL(HRegionInfo regionInfo) throws IOException {
241     return null;
242   }
243 
244   @Override
245   public ExecutorService getExecutorService() {
246     return null;
247   }
248 
249   @Override
250   public ChoreService getChoreService() {
251     return null;
252   }
253 
254   @Override
255   public void updateRegionFavoredNodesMapping(String encodedRegionName,
256       List<org.apache.hadoop.hbase.protobuf.generated.HBaseProtos.ServerName> favoredNodes) {
257   }
258 
259   @Override
260   public InetSocketAddress[] getFavoredNodesForRegion(String encodedRegionName) {
261     return null;
262   }
263 
264   @Override
265   public Map<String, Region> getRecoveringRegions() {
266     // TODO Auto-generated method stub
267     return null;
268   }
269 
270   @Override
271   public ServerNonceManager getNonceManager() {
272     // TODO Auto-generated method stub
273     return null;
274   }
275 
276   @Override
277   public boolean reportRegionStateTransition(TransitionCode code, long openSeqNum,
278       HRegionInfo... hris) {
279     return false;
280   }
281 
282   @Override
283   public boolean reportRegionStateTransition(TransitionCode code,
284       HRegionInfo... hris) {
285     return false;
286   }
287 
288   @Override
289   public boolean reportRegionStateTransition(RegionStateTransitionContext context) {
290     return false;
291   }
292 
293   @Override
294   public boolean registerService(Service service) {
295     // TODO Auto-generated method stub
296     return false;
297   }
298 
299   @Override
300   public HeapMemoryManager getHeapMemoryManager() {
301     return null;
302   }
303 
304   @Override
305   public double getCompactionPressure() {
306     return 0;
307   }
308 
309   @Override
310   public MetricsRegionServer getMetrics() {
311     return null;
312   }
313 }