View Javadoc

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 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 org.apache.hadoop.conf.Configuration;
28  import org.apache.hadoop.fs.FileSystem;
29  import org.apache.hadoop.hbase.TableName;
30  import org.apache.hadoop.hbase.HRegionInfo;
31  import org.apache.hadoop.hbase.ServerName;
32  import org.apache.hadoop.hbase.catalog.CatalogTracker;
33  import org.apache.hadoop.hbase.executor.ExecutorService;
34  import org.apache.hadoop.hbase.fs.HFileSystem;
35  import org.apache.hadoop.hbase.ipc.RpcServerInterface;
36  import org.apache.hadoop.hbase.master.TableLockManager;
37  import org.apache.hadoop.hbase.master.TableLockManager.NullTableLockManager;
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.wal.HLog;
45  import org.apache.hadoop.hbase.zookeeper.ZooKeeperWatcher;
46  import org.apache.zookeeper.KeeperException;
47  
48  /**
49   * Basic mock region server services.
50   */
51  public class MockRegionServerServices implements RegionServerServices {
52    private final Map<String, HRegion> regions = new HashMap<String, HRegion>();
53    private boolean stopping = false;
54    private final ConcurrentSkipListMap<byte[], Boolean> rit =
55      new ConcurrentSkipListMap<byte[], Boolean>(Bytes.BYTES_COMPARATOR);
56    private HFileSystem hfs = null;
57    private ZooKeeperWatcher zkw = null;
58    private ServerName serverName = null;
59  
60    public MockRegionServerServices(ZooKeeperWatcher zkw) {
61      this.zkw = zkw;
62    }
63    
64    public MockRegionServerServices(ZooKeeperWatcher zkw, ServerName serverName) {
65      this.zkw = zkw;
66      this.serverName = serverName;
67    }
68  
69    public MockRegionServerServices(){
70      this(null);
71    }
72  
73    @Override
74    public boolean removeFromOnlineRegions(HRegion r, ServerName destination) {
75      return this.regions.remove(r.getRegionInfo().getEncodedName()) != null;
76    }
77  
78    @Override
79    public HRegion getFromOnlineRegions(String encodedRegionName) {
80      return this.regions.get(encodedRegionName);
81    }
82  
83    public List<HRegion> getOnlineRegions(TableName tableName) throws IOException {
84      return null;
85    }
86  
87    @Override
88    public void addToOnlineRegions(HRegion r) {
89      this.regions.put(r.getRegionInfo().getEncodedName(), r);
90    }
91  
92    @Override
93    public void postOpenDeployTasks(HRegion r, CatalogTracker ct)
94        throws KeeperException, IOException {
95      addToOnlineRegions(r);
96    }
97  
98    @Override
99    public boolean isStopping() {
100     return this.stopping;
101   }
102 
103   @Override
104   public RpcServerInterface getRpcServer() {
105     return null;
106   }
107 
108   @Override
109   public ConcurrentSkipListMap<byte[], Boolean> getRegionsInTransitionInRS() {
110     return rit;
111   }
112 
113   @Override
114   public FlushRequester getFlushRequester() {
115     return null;
116   }
117 
118   @Override
119   public CompactionRequestor getCompactionRequester() {
120     return null;
121   }
122 
123   @Override
124   public CatalogTracker getCatalogTracker() {
125     return null;
126   }
127 
128   @Override
129   public ZooKeeperWatcher getZooKeeper() {
130     return zkw;
131   }
132 
133   public RegionServerAccounting getRegionServerAccounting() {
134     return null;
135   }
136 
137   @Override
138   public TableLockManager getTableLockManager() {
139     return new NullTableLockManager();
140   }
141 
142   @Override
143   public ServerName getServerName() {
144     return this.serverName;
145   }
146 
147   @Override
148   public Configuration getConfiguration() {
149     return null;
150   }
151 
152   @Override
153   public void abort(String why, Throwable e) {
154      //no-op
155   }
156 
157   @Override
158   public void stop(String why) {
159     //no-op
160   }
161 
162   @Override
163   public boolean isStopped() {
164     return false;
165   }
166 
167   @Override
168   public boolean isAborted() {
169     return false;
170   }
171 
172   @Override
173   public HFileSystem getFileSystem() {
174     return this.hfs;
175   }
176 
177   public void setFileSystem(FileSystem hfs) {
178     this.hfs = (HFileSystem)hfs;
179   }
180 
181   @Override
182   public Leases getLeases() {
183     return null;
184   }
185 
186   @Override
187   public HLog getWAL(HRegionInfo regionInfo) throws IOException {
188     // TODO Auto-generated method stub
189     return null;
190   }
191 
192   @Override
193   public ExecutorService getExecutorService() {
194     return null;
195   }
196 
197   @Override
198   public void updateRegionFavoredNodesMapping(String encodedRegionName,
199       List<org.apache.hadoop.hbase.protobuf.generated.HBaseProtos.ServerName> favoredNodes) {
200   }
201 
202   @Override
203   public InetSocketAddress[] getFavoredNodesForRegion(String encodedRegionName) {
204     return null;
205   }
206 
207   @Override
208   public Map<String, HRegion> getRecoveringRegions() {
209     // TODO Auto-generated method stub
210     return null;
211   }
212 }