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| <pre><span class="sourceLineNo">001</span>/*<a name="line.1"></a> |
| <span class="sourceLineNo">002</span> * Licensed to the Apache Software Foundation (ASF) under one<a name="line.2"></a> |
| <span class="sourceLineNo">003</span> * or more contributor license agreements. See the NOTICE file<a name="line.3"></a> |
| <span class="sourceLineNo">004</span> * distributed with this work for additional information<a name="line.4"></a> |
| <span class="sourceLineNo">005</span> * regarding copyright ownership. The ASF licenses this file<a name="line.5"></a> |
| <span class="sourceLineNo">006</span> * to you under the Apache License, Version 2.0 (the<a name="line.6"></a> |
| <span class="sourceLineNo">007</span> * "License"); you may not use this file except in compliance<a name="line.7"></a> |
| <span class="sourceLineNo">008</span> * with the License. You may obtain a copy of the License at<a name="line.8"></a> |
| <span class="sourceLineNo">009</span> *<a name="line.9"></a> |
| <span class="sourceLineNo">010</span> * http://www.apache.org/licenses/LICENSE-2.0<a name="line.10"></a> |
| <span class="sourceLineNo">011</span> *<a name="line.11"></a> |
| <span class="sourceLineNo">012</span> * Unless required by applicable law or agreed to in writing, software<a name="line.12"></a> |
| <span class="sourceLineNo">013</span> * distributed under the License is distributed on an "AS IS" BASIS,<a name="line.13"></a> |
| <span class="sourceLineNo">014</span> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.<a name="line.14"></a> |
| <span class="sourceLineNo">015</span> * See the License for the specific language governing permissions and<a name="line.15"></a> |
| <span class="sourceLineNo">016</span> * limitations under the License.<a name="line.16"></a> |
| <span class="sourceLineNo">017</span> */<a name="line.17"></a> |
| <span class="sourceLineNo">018</span>package org.apache.hadoop.hbase.client;<a name="line.18"></a> |
| <span class="sourceLineNo">019</span><a name="line.19"></a> |
| <span class="sourceLineNo">020</span>import java.io.IOException;<a name="line.20"></a> |
| <span class="sourceLineNo">021</span>import java.util.ArrayList;<a name="line.21"></a> |
| <span class="sourceLineNo">022</span>import java.util.List;<a name="line.22"></a> |
| <span class="sourceLineNo">023</span>import java.util.UUID;<a name="line.23"></a> |
| <span class="sourceLineNo">024</span>import org.apache.hadoop.conf.Configuration;<a name="line.24"></a> |
| <span class="sourceLineNo">025</span>import org.apache.hadoop.fs.FileSystem;<a name="line.25"></a> |
| <span class="sourceLineNo">026</span>import org.apache.hadoop.fs.Path;<a name="line.26"></a> |
| <span class="sourceLineNo">027</span>import org.apache.hadoop.hbase.PrivateCellUtil;<a name="line.27"></a> |
| <span class="sourceLineNo">028</span>import org.apache.hadoop.hbase.snapshot.RestoreSnapshotHelper;<a name="line.28"></a> |
| <span class="sourceLineNo">029</span>import org.apache.hadoop.hbase.snapshot.SnapshotDescriptionUtils;<a name="line.29"></a> |
| <span class="sourceLineNo">030</span>import org.apache.hadoop.hbase.snapshot.SnapshotManifest;<a name="line.30"></a> |
| <span class="sourceLineNo">031</span>import org.apache.hadoop.hbase.util.CommonFSUtils;<a name="line.31"></a> |
| <span class="sourceLineNo">032</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.32"></a> |
| <span class="sourceLineNo">033</span>import org.slf4j.Logger;<a name="line.33"></a> |
| <span class="sourceLineNo">034</span>import org.slf4j.LoggerFactory;<a name="line.34"></a> |
| <span class="sourceLineNo">035</span><a name="line.35"></a> |
| <span class="sourceLineNo">036</span>import org.apache.hadoop.hbase.shaded.protobuf.ProtobufUtil;<a name="line.36"></a> |
| <span class="sourceLineNo">037</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.SnapshotProtos;<a name="line.37"></a> |
| <span class="sourceLineNo">038</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.SnapshotProtos.SnapshotRegionManifest;<a name="line.38"></a> |
| <span class="sourceLineNo">039</span><a name="line.39"></a> |
| <span class="sourceLineNo">040</span>/**<a name="line.40"></a> |
| <span class="sourceLineNo">041</span> * A Scanner which performs a scan over snapshot files. Using this class requires copying the<a name="line.41"></a> |
| <span class="sourceLineNo">042</span> * snapshot to a temporary empty directory, which will copy the snapshot reference files into that<a name="line.42"></a> |
| <span class="sourceLineNo">043</span> * directory. Actual data files are not copied.<a name="line.43"></a> |
| <span class="sourceLineNo">044</span> * <p><a name="line.44"></a> |
| <span class="sourceLineNo">045</span> * This also allows one to run the scan from an online or offline hbase cluster. The snapshot files<a name="line.45"></a> |
| <span class="sourceLineNo">046</span> * can be exported by using the org.apache.hadoop.hbase.snapshot.ExportSnapshot tool, to a pure-hdfs<a name="line.46"></a> |
| <span class="sourceLineNo">047</span> * cluster, and this scanner can be used to run the scan directly over the snapshot files. The<a name="line.47"></a> |
| <span class="sourceLineNo">048</span> * snapshot should not be deleted while there are open scanners reading from snapshot files.<a name="line.48"></a> |
| <span class="sourceLineNo">049</span> * <p><a name="line.49"></a> |
| <span class="sourceLineNo">050</span> * An internal RegionScanner is used to execute the {@link Scan} obtained from the user for each<a name="line.50"></a> |
| <span class="sourceLineNo">051</span> * region in the snapshot.<a name="line.51"></a> |
| <span class="sourceLineNo">052</span> * <p><a name="line.52"></a> |
| <span class="sourceLineNo">053</span> * HBase owns all the data and snapshot files on the filesystem. Only the HBase user can read from<a name="line.53"></a> |
| <span class="sourceLineNo">054</span> * snapshot files and data files. HBase also enforces security because all the requests are handled<a name="line.54"></a> |
| <span class="sourceLineNo">055</span> * by the server layer, and the user cannot read from the data files directly. To read from snapshot<a name="line.55"></a> |
| <span class="sourceLineNo">056</span> * files directly from the file system, the user who is running the MR job must have sufficient<a name="line.56"></a> |
| <span class="sourceLineNo">057</span> * permissions to access snapshot and reference files. This means that to run mapreduce over<a name="line.57"></a> |
| <span class="sourceLineNo">058</span> * snapshot files, the job has to be run as the HBase user or the user must have group or other<a name="line.58"></a> |
| <span class="sourceLineNo">059</span> * priviledges in the filesystem (See HBASE-8369). Note that, given other users access to read from<a name="line.59"></a> |
| <span class="sourceLineNo">060</span> * snapshot/data files will completely circumvent the access control enforced by HBase. See<a name="line.60"></a> |
| <span class="sourceLineNo">061</span> * org.apache.hadoop.hbase.mapreduce.TableSnapshotInputFormat.<a name="line.61"></a> |
| <span class="sourceLineNo">062</span> */<a name="line.62"></a> |
| <span class="sourceLineNo">063</span>@InterfaceAudience.Private<a name="line.63"></a> |
| <span class="sourceLineNo">064</span>public class TableSnapshotScanner extends AbstractClientScanner {<a name="line.64"></a> |
| <span class="sourceLineNo">065</span><a name="line.65"></a> |
| <span class="sourceLineNo">066</span> private static final Logger LOG = LoggerFactory.getLogger(TableSnapshotScanner.class);<a name="line.66"></a> |
| <span class="sourceLineNo">067</span><a name="line.67"></a> |
| <span class="sourceLineNo">068</span> private Configuration conf;<a name="line.68"></a> |
| <span class="sourceLineNo">069</span> private String snapshotName;<a name="line.69"></a> |
| <span class="sourceLineNo">070</span> private FileSystem fs;<a name="line.70"></a> |
| <span class="sourceLineNo">071</span> private Path rootDir;<a name="line.71"></a> |
| <span class="sourceLineNo">072</span> private Path restoreDir;<a name="line.72"></a> |
| <span class="sourceLineNo">073</span> private Scan scan;<a name="line.73"></a> |
| <span class="sourceLineNo">074</span> private ArrayList<RegionInfo> regions;<a name="line.74"></a> |
| <span class="sourceLineNo">075</span> private TableDescriptor htd;<a name="line.75"></a> |
| <span class="sourceLineNo">076</span> private final boolean snapshotAlreadyRestored;<a name="line.76"></a> |
| <span class="sourceLineNo">077</span><a name="line.77"></a> |
| <span class="sourceLineNo">078</span> private ClientSideRegionScanner currentRegionScanner = null;<a name="line.78"></a> |
| <span class="sourceLineNo">079</span> private int currentRegion = -1;<a name="line.79"></a> |
| <span class="sourceLineNo">080</span><a name="line.80"></a> |
| <span class="sourceLineNo">081</span> private int numOfCompleteRows = 0;<a name="line.81"></a> |
| <span class="sourceLineNo">082</span><a name="line.82"></a> |
| <span class="sourceLineNo">083</span> /**<a name="line.83"></a> |
| <span class="sourceLineNo">084</span> * Creates a TableSnapshotScanner.<a name="line.84"></a> |
| <span class="sourceLineNo">085</span> * @param conf the configuration<a name="line.85"></a> |
| <span class="sourceLineNo">086</span> * @param restoreDir a temporary directory to copy the snapshot files into. Current user should<a name="line.86"></a> |
| <span class="sourceLineNo">087</span> * have write permissions to this directory, and this should not be a<a name="line.87"></a> |
| <span class="sourceLineNo">088</span> * subdirectory of rootDir. The scanner deletes the contents of the directory<a name="line.88"></a> |
| <span class="sourceLineNo">089</span> * once the scanner is closed.<a name="line.89"></a> |
| <span class="sourceLineNo">090</span> * @param snapshotName the name of the snapshot to read from<a name="line.90"></a> |
| <span class="sourceLineNo">091</span> * @param scan a Scan representing scan parameters<a name="line.91"></a> |
| <span class="sourceLineNo">092</span> * @throws IOException in case of error<a name="line.92"></a> |
| <span class="sourceLineNo">093</span> */<a name="line.93"></a> |
| <span class="sourceLineNo">094</span> public TableSnapshotScanner(Configuration conf, Path restoreDir, String snapshotName, Scan scan)<a name="line.94"></a> |
| <span class="sourceLineNo">095</span> throws IOException {<a name="line.95"></a> |
| <span class="sourceLineNo">096</span> this(conf, CommonFSUtils.getRootDir(conf), restoreDir, snapshotName, scan);<a name="line.96"></a> |
| <span class="sourceLineNo">097</span> }<a name="line.97"></a> |
| <span class="sourceLineNo">098</span><a name="line.98"></a> |
| <span class="sourceLineNo">099</span> public TableSnapshotScanner(Configuration conf, Path rootDir, Path restoreDir,<a name="line.99"></a> |
| <span class="sourceLineNo">100</span> String snapshotName, Scan scan) throws IOException {<a name="line.100"></a> |
| <span class="sourceLineNo">101</span> this(conf, rootDir, restoreDir, snapshotName, scan, false);<a name="line.101"></a> |
| <span class="sourceLineNo">102</span> }<a name="line.102"></a> |
| <span class="sourceLineNo">103</span><a name="line.103"></a> |
| <span class="sourceLineNo">104</span> /**<a name="line.104"></a> |
| <span class="sourceLineNo">105</span> * Creates a TableSnapshotScanner.<a name="line.105"></a> |
| <span class="sourceLineNo">106</span> * @param conf the configuration<a name="line.106"></a> |
| <span class="sourceLineNo">107</span> * @param rootDir root directory for HBase.<a name="line.107"></a> |
| <span class="sourceLineNo">108</span> * @param restoreDir a temporary directory to copy the snapshot files into. Current<a name="line.108"></a> |
| <span class="sourceLineNo">109</span> * user should have write permissions to this directory, and this<a name="line.109"></a> |
| <span class="sourceLineNo">110</span> * should not be a subdirectory of rootdir. The scanner deletes the<a name="line.110"></a> |
| <span class="sourceLineNo">111</span> * contents of the directory once the scanner is closed.<a name="line.111"></a> |
| <span class="sourceLineNo">112</span> * @param snapshotName the name of the snapshot to read from<a name="line.112"></a> |
| <span class="sourceLineNo">113</span> * @param scan a Scan representing scan parameters<a name="line.113"></a> |
| <span class="sourceLineNo">114</span> * @param snapshotAlreadyRestored true to indicate that snapshot has been restored.<a name="line.114"></a> |
| <span class="sourceLineNo">115</span> * @throws IOException in case of error<a name="line.115"></a> |
| <span class="sourceLineNo">116</span> */<a name="line.116"></a> |
| <span class="sourceLineNo">117</span> public TableSnapshotScanner(Configuration conf, Path rootDir, Path restoreDir,<a name="line.117"></a> |
| <span class="sourceLineNo">118</span> String snapshotName, Scan scan, boolean snapshotAlreadyRestored) throws IOException {<a name="line.118"></a> |
| <span class="sourceLineNo">119</span> this.conf = conf;<a name="line.119"></a> |
| <span class="sourceLineNo">120</span> this.snapshotName = snapshotName;<a name="line.120"></a> |
| <span class="sourceLineNo">121</span> this.rootDir = rootDir;<a name="line.121"></a> |
| <span class="sourceLineNo">122</span> this.scan = scan;<a name="line.122"></a> |
| <span class="sourceLineNo">123</span> this.snapshotAlreadyRestored = snapshotAlreadyRestored;<a name="line.123"></a> |
| <span class="sourceLineNo">124</span> this.fs = rootDir.getFileSystem(conf);<a name="line.124"></a> |
| <span class="sourceLineNo">125</span><a name="line.125"></a> |
| <span class="sourceLineNo">126</span> if (snapshotAlreadyRestored) {<a name="line.126"></a> |
| <span class="sourceLineNo">127</span> this.restoreDir = restoreDir;<a name="line.127"></a> |
| <span class="sourceLineNo">128</span> openWithoutRestoringSnapshot();<a name="line.128"></a> |
| <span class="sourceLineNo">129</span> } else {<a name="line.129"></a> |
| <span class="sourceLineNo">130</span> // restoreDir will be deleted in close(), use a unique sub directory<a name="line.130"></a> |
| <span class="sourceLineNo">131</span> this.restoreDir = new Path(restoreDir, UUID.randomUUID().toString());<a name="line.131"></a> |
| <span class="sourceLineNo">132</span> openWithRestoringSnapshot();<a name="line.132"></a> |
| <span class="sourceLineNo">133</span> }<a name="line.133"></a> |
| <span class="sourceLineNo">134</span><a name="line.134"></a> |
| <span class="sourceLineNo">135</span> initScanMetrics(scan);<a name="line.135"></a> |
| <span class="sourceLineNo">136</span> }<a name="line.136"></a> |
| <span class="sourceLineNo">137</span><a name="line.137"></a> |
| <span class="sourceLineNo">138</span> private void openWithoutRestoringSnapshot() throws IOException {<a name="line.138"></a> |
| <span class="sourceLineNo">139</span> Path snapshotDir = SnapshotDescriptionUtils.getCompletedSnapshotDir(snapshotName, rootDir);<a name="line.139"></a> |
| <span class="sourceLineNo">140</span> SnapshotProtos.SnapshotDescription snapshotDesc =<a name="line.140"></a> |
| <span class="sourceLineNo">141</span> SnapshotDescriptionUtils.readSnapshotInfo(fs, snapshotDir);<a name="line.141"></a> |
| <span class="sourceLineNo">142</span><a name="line.142"></a> |
| <span class="sourceLineNo">143</span> SnapshotManifest manifest = SnapshotManifest.open(conf, fs, snapshotDir, snapshotDesc);<a name="line.143"></a> |
| <span class="sourceLineNo">144</span> List<SnapshotRegionManifest> regionManifests = manifest.getRegionManifests();<a name="line.144"></a> |
| <span class="sourceLineNo">145</span> if (regionManifests == null) {<a name="line.145"></a> |
| <span class="sourceLineNo">146</span> throw new IllegalArgumentException("Snapshot seems empty, snapshotName: " + snapshotName);<a name="line.146"></a> |
| <span class="sourceLineNo">147</span> }<a name="line.147"></a> |
| <span class="sourceLineNo">148</span><a name="line.148"></a> |
| <span class="sourceLineNo">149</span> regions = new ArrayList<>(regionManifests.size());<a name="line.149"></a> |
| <span class="sourceLineNo">150</span> regionManifests.stream().map(r -> ProtobufUtil.toRegionInfo(r.getRegionInfo()))<a name="line.150"></a> |
| <span class="sourceLineNo">151</span> .filter(this::isValidRegion).sorted().forEach(r -> regions.add(r));<a name="line.151"></a> |
| <span class="sourceLineNo">152</span> htd = manifest.getTableDescriptor();<a name="line.152"></a> |
| <span class="sourceLineNo">153</span> }<a name="line.153"></a> |
| <span class="sourceLineNo">154</span><a name="line.154"></a> |
| <span class="sourceLineNo">155</span> private boolean isValidRegion(RegionInfo hri) {<a name="line.155"></a> |
| <span class="sourceLineNo">156</span> // An offline split parent region should be excluded.<a name="line.156"></a> |
| <span class="sourceLineNo">157</span> if (hri.isOffline() && (hri.isSplit() || hri.isSplitParent())) {<a name="line.157"></a> |
| <span class="sourceLineNo">158</span> return false;<a name="line.158"></a> |
| <span class="sourceLineNo">159</span> }<a name="line.159"></a> |
| <span class="sourceLineNo">160</span> return PrivateCellUtil.overlappingKeys(scan.getStartRow(), scan.getStopRow(), hri.getStartKey(),<a name="line.160"></a> |
| <span class="sourceLineNo">161</span> hri.getEndKey());<a name="line.161"></a> |
| <span class="sourceLineNo">162</span> }<a name="line.162"></a> |
| <span class="sourceLineNo">163</span><a name="line.163"></a> |
| <span class="sourceLineNo">164</span> private void openWithRestoringSnapshot() throws IOException {<a name="line.164"></a> |
| <span class="sourceLineNo">165</span> final RestoreSnapshotHelper.RestoreMetaChanges meta =<a name="line.165"></a> |
| <span class="sourceLineNo">166</span> RestoreSnapshotHelper.copySnapshotForScanner(conf, fs, rootDir, restoreDir, snapshotName);<a name="line.166"></a> |
| <span class="sourceLineNo">167</span> final List<RegionInfo> restoredRegions = meta.getRegionsToAdd();<a name="line.167"></a> |
| <span class="sourceLineNo">168</span><a name="line.168"></a> |
| <span class="sourceLineNo">169</span> htd = meta.getTableDescriptor();<a name="line.169"></a> |
| <span class="sourceLineNo">170</span> regions = new ArrayList<>(restoredRegions.size());<a name="line.170"></a> |
| <span class="sourceLineNo">171</span> restoredRegions.stream().filter(this::isValidRegion).sorted().forEach(r -> regions.add(r));<a name="line.171"></a> |
| <span class="sourceLineNo">172</span> }<a name="line.172"></a> |
| <span class="sourceLineNo">173</span><a name="line.173"></a> |
| <span class="sourceLineNo">174</span> @Override<a name="line.174"></a> |
| <span class="sourceLineNo">175</span> public Result next() throws IOException {<a name="line.175"></a> |
| <span class="sourceLineNo">176</span> Result result = null;<a name="line.176"></a> |
| <span class="sourceLineNo">177</span> while (true) {<a name="line.177"></a> |
| <span class="sourceLineNo">178</span> if (currentRegionScanner == null) {<a name="line.178"></a> |
| <span class="sourceLineNo">179</span> currentRegion++;<a name="line.179"></a> |
| <span class="sourceLineNo">180</span> if (currentRegion >= regions.size()) {<a name="line.180"></a> |
| <span class="sourceLineNo">181</span> return null;<a name="line.181"></a> |
| <span class="sourceLineNo">182</span> }<a name="line.182"></a> |
| <span class="sourceLineNo">183</span><a name="line.183"></a> |
| <span class="sourceLineNo">184</span> RegionInfo hri = regions.get(currentRegion);<a name="line.184"></a> |
| <span class="sourceLineNo">185</span> currentRegionScanner =<a name="line.185"></a> |
| <span class="sourceLineNo">186</span> new ClientSideRegionScanner(conf, fs, restoreDir, htd, hri, scan, scanMetrics);<a name="line.186"></a> |
| <span class="sourceLineNo">187</span> if (this.scanMetrics != null) {<a name="line.187"></a> |
| <span class="sourceLineNo">188</span> this.scanMetrics.countOfRegions.incrementAndGet();<a name="line.188"></a> |
| <span class="sourceLineNo">189</span> }<a name="line.189"></a> |
| <span class="sourceLineNo">190</span> }<a name="line.190"></a> |
| <span class="sourceLineNo">191</span><a name="line.191"></a> |
| <span class="sourceLineNo">192</span> try {<a name="line.192"></a> |
| <span class="sourceLineNo">193</span> result = currentRegionScanner.next();<a name="line.193"></a> |
| <span class="sourceLineNo">194</span> if (result != null) {<a name="line.194"></a> |
| <span class="sourceLineNo">195</span> if (scan.getLimit() > 0 && ++this.numOfCompleteRows > scan.getLimit()) {<a name="line.195"></a> |
| <span class="sourceLineNo">196</span> result = null;<a name="line.196"></a> |
| <span class="sourceLineNo">197</span> }<a name="line.197"></a> |
| <span class="sourceLineNo">198</span> return result;<a name="line.198"></a> |
| <span class="sourceLineNo">199</span> }<a name="line.199"></a> |
| <span class="sourceLineNo">200</span> } finally {<a name="line.200"></a> |
| <span class="sourceLineNo">201</span> if (result == null) {<a name="line.201"></a> |
| <span class="sourceLineNo">202</span> currentRegionScanner.close();<a name="line.202"></a> |
| <span class="sourceLineNo">203</span> currentRegionScanner = null;<a name="line.203"></a> |
| <span class="sourceLineNo">204</span> }<a name="line.204"></a> |
| <span class="sourceLineNo">205</span> }<a name="line.205"></a> |
| <span class="sourceLineNo">206</span> }<a name="line.206"></a> |
| <span class="sourceLineNo">207</span> }<a name="line.207"></a> |
| <span class="sourceLineNo">208</span><a name="line.208"></a> |
| <span class="sourceLineNo">209</span> private void cleanup() {<a name="line.209"></a> |
| <span class="sourceLineNo">210</span> try {<a name="line.210"></a> |
| <span class="sourceLineNo">211</span> if (fs.exists(this.restoreDir)) {<a name="line.211"></a> |
| <span class="sourceLineNo">212</span> if (!fs.delete(this.restoreDir, true)) {<a name="line.212"></a> |
| <span class="sourceLineNo">213</span> LOG.warn(<a name="line.213"></a> |
| <span class="sourceLineNo">214</span> "Delete restore directory for the snapshot failed. restoreDir: " + this.restoreDir);<a name="line.214"></a> |
| <span class="sourceLineNo">215</span> }<a name="line.215"></a> |
| <span class="sourceLineNo">216</span> }<a name="line.216"></a> |
| <span class="sourceLineNo">217</span> } catch (IOException ex) {<a name="line.217"></a> |
| <span class="sourceLineNo">218</span> LOG.warn(<a name="line.218"></a> |
| <span class="sourceLineNo">219</span> "Could not delete restore directory for the snapshot. restoreDir: " + this.restoreDir, ex);<a name="line.219"></a> |
| <span class="sourceLineNo">220</span> }<a name="line.220"></a> |
| <span class="sourceLineNo">221</span> }<a name="line.221"></a> |
| <span class="sourceLineNo">222</span><a name="line.222"></a> |
| <span class="sourceLineNo">223</span> @Override<a name="line.223"></a> |
| <span class="sourceLineNo">224</span> public void close() {<a name="line.224"></a> |
| <span class="sourceLineNo">225</span> if (currentRegionScanner != null) {<a name="line.225"></a> |
| <span class="sourceLineNo">226</span> currentRegionScanner.close();<a name="line.226"></a> |
| <span class="sourceLineNo">227</span> }<a name="line.227"></a> |
| <span class="sourceLineNo">228</span> // if snapshotAlreadyRestored is true, then we should invoke cleanup() method by hand.<a name="line.228"></a> |
| <span class="sourceLineNo">229</span> if (!this.snapshotAlreadyRestored) {<a name="line.229"></a> |
| <span class="sourceLineNo">230</span> cleanup();<a name="line.230"></a> |
| <span class="sourceLineNo">231</span> }<a name="line.231"></a> |
| <span class="sourceLineNo">232</span> }<a name="line.232"></a> |
| <span class="sourceLineNo">233</span><a name="line.233"></a> |
| <span class="sourceLineNo">234</span> @Override<a name="line.234"></a> |
| <span class="sourceLineNo">235</span> public boolean renewLease() {<a name="line.235"></a> |
| <span class="sourceLineNo">236</span> throw new UnsupportedOperationException();<a name="line.236"></a> |
| <span class="sourceLineNo">237</span> }<a name="line.237"></a> |
| <span class="sourceLineNo">238</span><a name="line.238"></a> |
| <span class="sourceLineNo">239</span>}<a name="line.239"></a> |
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| </pre> |
| </div> |
| </body> |
| </html> |
