[02/51] [partial] hbase-site git commit: Published site at 82d554e3783372cc6b05489452c815b57c06f6cd.

git-site-role Thu, 06 Jul 2017 23:42:54 -0700

http://git-wip-us.apache.org/repos/asf/hbase-site/blob/b3b50f22/testdevapidocs/src-html/org/apache/hadoop/hbase/io/TestFileLink.MyDistributedFileSystem.html
----------------------------------------------------------------------
diff --git 
a/testdevapidocs/src-html/org/apache/hadoop/hbase/io/TestFileLink.MyDistributedFileSystem.html
 
b/testdevapidocs/src-html/org/apache/hadoop/hbase/io/TestFileLink.MyDistributedFileSystem.html
new file mode 100644
index 0000000..591b85e
--- /dev/null
+++ 
b/testdevapidocs/src-html/org/apache/hadoop/hbase/io/TestFileLink.MyDistributedFileSystem.html
@@ -0,0 +1,389 @@
+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" 
"http://www.w3.org/TR/html4/loose.dtd";>
+<html lang="en">
+<head>
+<title>Source code</title>
+<link rel="stylesheet" type="text/css" href="../../../../../../stylesheet.css" 
title="Style">
+</head>
+<body>
+<div class="sourceContainer">
+<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><a name="line.18"></a>
+<span class="sourceLineNo">019</span>package org.apache.hadoop.hbase.io;<a 
name="line.19"></a>
+<span class="sourceLineNo">020</span><a name="line.20"></a>
+<span class="sourceLineNo">021</span>import static 
org.junit.Assert.assertEquals;<a name="line.21"></a>
+<span class="sourceLineNo">022</span>import static 
org.junit.Assert.assertFalse;<a name="line.22"></a>
+<span class="sourceLineNo">023</span>import static 
org.junit.Assert.assertNotEquals;<a name="line.23"></a>
+<span class="sourceLineNo">024</span>import static 
org.junit.Assert.assertTrue;<a name="line.24"></a>
+<span class="sourceLineNo">025</span><a name="line.25"></a>
+<span class="sourceLineNo">026</span>import java.io.FileNotFoundException;<a 
name="line.26"></a>
+<span class="sourceLineNo">027</span>import java.io.IOException;<a 
name="line.27"></a>
+<span class="sourceLineNo">028</span>import java.util.ArrayList;<a 
name="line.28"></a>
+<span class="sourceLineNo">029</span>import java.util.List;<a 
name="line.29"></a>
+<span class="sourceLineNo">030</span><a name="line.30"></a>
+<span class="sourceLineNo">031</span>import 
org.apache.hadoop.conf.Configuration;<a name="line.31"></a>
+<span class="sourceLineNo">032</span>import 
org.apache.hadoop.fs.FSDataInputStream;<a name="line.32"></a>
+<span class="sourceLineNo">033</span>import 
org.apache.hadoop.fs.FSDataOutputStream;<a name="line.33"></a>
+<span class="sourceLineNo">034</span>import org.apache.hadoop.fs.FileSystem;<a 
name="line.34"></a>
+<span class="sourceLineNo">035</span>import org.apache.hadoop.fs.Path;<a 
name="line.35"></a>
+<span class="sourceLineNo">036</span>import 
org.apache.hadoop.hbase.HBaseTestingUtility;<a name="line.36"></a>
+<span class="sourceLineNo">037</span>import 
org.apache.hadoop.hbase.testclassification.IOTests;<a name="line.37"></a>
+<span class="sourceLineNo">038</span>import 
org.apache.hadoop.hbase.testclassification.MediumTests;<a name="line.38"></a>
+<span class="sourceLineNo">039</span>import 
org.apache.hadoop.hbase.util.FSUtils;<a name="line.39"></a>
+<span class="sourceLineNo">040</span>import 
org.apache.hadoop.hdfs.DistributedFileSystem;<a name="line.40"></a>
+<span class="sourceLineNo">041</span>import 
org.apache.hadoop.hdfs.MiniDFSCluster;<a name="line.41"></a>
+<span class="sourceLineNo">042</span>import 
org.apache.hadoop.ipc.RemoteException;<a name="line.42"></a>
+<span class="sourceLineNo">043</span>import org.junit.Test;<a 
name="line.43"></a>
+<span class="sourceLineNo">044</span>import 
org.junit.experimental.categories.Category;<a name="line.44"></a>
+<span class="sourceLineNo">045</span><a name="line.45"></a>
+<span class="sourceLineNo">046</span>/**<a name="line.46"></a>
+<span class="sourceLineNo">047</span> * Test that FileLink switches between 
alternate locations<a name="line.47"></a>
+<span class="sourceLineNo">048</span> * when the current location moves or 
gets deleted.<a name="line.48"></a>
+<span class="sourceLineNo">049</span> */<a name="line.49"></a>
+<span class="sourceLineNo">050</span>@Category({IOTests.class, 
MediumTests.class})<a name="line.50"></a>
+<span class="sourceLineNo">051</span>public class TestFileLink {<a 
name="line.51"></a>
+<span class="sourceLineNo">052</span><a name="line.52"></a>
+<span class="sourceLineNo">053</span>  @Test<a name="line.53"></a>
+<span class="sourceLineNo">054</span>  public void testEquals() {<a 
name="line.54"></a>
+<span class="sourceLineNo">055</span>    Path p1 = new Path("/p1");<a 
name="line.55"></a>
+<span class="sourceLineNo">056</span>    Path p2 = new Path("/p2");<a 
name="line.56"></a>
+<span class="sourceLineNo">057</span>    Path p3 = new Path("/p3");<a 
name="line.57"></a>
+<span class="sourceLineNo">058</span><a name="line.58"></a>
+<span class="sourceLineNo">059</span>    assertEquals(new FileLink(), new 
FileLink());<a name="line.59"></a>
+<span class="sourceLineNo">060</span>    assertEquals(new FileLink(p1), new 
FileLink(p1));<a name="line.60"></a>
+<span class="sourceLineNo">061</span>    assertEquals(new FileLink(p1, p2), 
new FileLink(p1, p2));<a name="line.61"></a>
+<span class="sourceLineNo">062</span>    assertEquals(new FileLink(p1, p2, 
p3), new FileLink(p1, p2, p3));<a name="line.62"></a>
+<span class="sourceLineNo">063</span><a name="line.63"></a>
+<span class="sourceLineNo">064</span>    assertNotEquals(new FileLink(p1), new 
FileLink(p3));<a name="line.64"></a>
+<span class="sourceLineNo">065</span>    assertNotEquals(new FileLink(p1, p2), 
new FileLink(p1));<a name="line.65"></a>
+<span class="sourceLineNo">066</span>    assertNotEquals(new FileLink(p1, p2), 
new FileLink(p2));<a name="line.66"></a>
+<span class="sourceLineNo">067</span>    assertNotEquals(new FileLink(p1, p2), 
new FileLink(p2, p1)); // ordering important!<a name="line.67"></a>
+<span class="sourceLineNo">068</span>  }<a name="line.68"></a>
+<span class="sourceLineNo">069</span><a name="line.69"></a>
+<span class="sourceLineNo">070</span>  @Test<a name="line.70"></a>
+<span class="sourceLineNo">071</span>  public void testHashCode() {<a 
name="line.71"></a>
+<span class="sourceLineNo">072</span>    Path p1 = new Path("/p1");<a 
name="line.72"></a>
+<span class="sourceLineNo">073</span>    Path p2 = new Path("/p2");<a 
name="line.73"></a>
+<span class="sourceLineNo">074</span>    Path p3 = new Path("/p3");<a 
name="line.74"></a>
+<span class="sourceLineNo">075</span><a name="line.75"></a>
+<span class="sourceLineNo">076</span>    assertEquals(new 
FileLink().hashCode(), new FileLink().hashCode());<a name="line.76"></a>
+<span class="sourceLineNo">077</span>    assertEquals(new 
FileLink(p1).hashCode(), new FileLink(p1).hashCode());<a name="line.77"></a>
+<span class="sourceLineNo">078</span>    assertEquals(new FileLink(p1, 
p2).hashCode(), new FileLink(p1, p2).hashCode());<a name="line.78"></a>
+<span class="sourceLineNo">079</span>    assertEquals(new FileLink(p1, p2, 
p3).hashCode(), new FileLink(p1, p2, p3).hashCode());<a name="line.79"></a>
+<span class="sourceLineNo">080</span><a name="line.80"></a>
+<span class="sourceLineNo">081</span>    assertNotEquals(new 
FileLink(p1).hashCode(), new FileLink(p3).hashCode());<a name="line.81"></a>
+<span class="sourceLineNo">082</span>    assertNotEquals(new FileLink(p1, 
p2).hashCode(), new FileLink(p1).hashCode());<a name="line.82"></a>
+<span class="sourceLineNo">083</span>    assertNotEquals(new FileLink(p1, 
p2).hashCode(), new FileLink(p2).hashCode());<a name="line.83"></a>
+<span class="sourceLineNo">084</span>    assertNotEquals(new FileLink(p1, 
p2).hashCode(), new FileLink(p2, p1).hashCode()); // ordering<a 
name="line.84"></a>
+<span class="sourceLineNo">085</span>  }<a name="line.85"></a>
+<span class="sourceLineNo">086</span><a name="line.86"></a>
+<span class="sourceLineNo">087</span>  /**<a name="line.87"></a>
+<span class="sourceLineNo">088</span>   * Test, on HDFS, that the FileLink is 
still readable<a name="line.88"></a>
+<span class="sourceLineNo">089</span>   * even when the current file gets 
renamed.<a name="line.89"></a>
+<span class="sourceLineNo">090</span>   */<a name="line.90"></a>
+<span class="sourceLineNo">091</span>  @Test<a name="line.91"></a>
+<span class="sourceLineNo">092</span>  public void 
testHDFSLinkReadDuringRename() throws Exception {<a name="line.92"></a>
+<span class="sourceLineNo">093</span>    HBaseTestingUtility testUtil = new 
HBaseTestingUtility();<a name="line.93"></a>
+<span class="sourceLineNo">094</span>    Configuration conf = 
testUtil.getConfiguration();<a name="line.94"></a>
+<span class="sourceLineNo">095</span>    conf.setInt("dfs.blocksize", 1024 * 
1024);<a name="line.95"></a>
+<span class="sourceLineNo">096</span>    
conf.setInt("dfs.client.read.prefetch.size", 2 * 1024 * 1024);<a 
name="line.96"></a>
+<span class="sourceLineNo">097</span><a name="line.97"></a>
+<span class="sourceLineNo">098</span>    testUtil.startMiniDFSCluster(1);<a 
name="line.98"></a>
+<span class="sourceLineNo">099</span>    MiniDFSCluster cluster = 
testUtil.getDFSCluster();<a name="line.99"></a>
+<span class="sourceLineNo">100</span>    FileSystem fs = 
cluster.getFileSystem();<a name="line.100"></a>
+<span class="sourceLineNo">101</span>    assertEquals("hdfs", 
fs.getUri().getScheme());<a name="line.101"></a>
+<span class="sourceLineNo">102</span><a name="line.102"></a>
+<span class="sourceLineNo">103</span>    try {<a name="line.103"></a>
+<span class="sourceLineNo">104</span>      testLinkReadDuringRename(fs, 
testUtil.getDefaultRootDirPath());<a name="line.104"></a>
+<span class="sourceLineNo">105</span>    } finally {<a name="line.105"></a>
+<span class="sourceLineNo">106</span>      testUtil.shutdownMiniCluster();<a 
name="line.106"></a>
+<span class="sourceLineNo">107</span>    }<a name="line.107"></a>
+<span class="sourceLineNo">108</span>  }<a name="line.108"></a>
+<span class="sourceLineNo">109</span><a name="line.109"></a>
+<span class="sourceLineNo">110</span>  private static class 
MyDistributedFileSystem extends DistributedFileSystem {<a name="line.110"></a>
+<span class="sourceLineNo">111</span>    MyDistributedFileSystem() {<a 
name="line.111"></a>
+<span class="sourceLineNo">112</span>    }<a name="line.112"></a>
+<span class="sourceLineNo">113</span>    @Override<a name="line.113"></a>
+<span class="sourceLineNo">114</span>    public FSDataInputStream open(Path f, 
final int bufferSize)<a name="line.114"></a>
+<span class="sourceLineNo">115</span>        throws IOException {<a 
name="line.115"></a>
+<span class="sourceLineNo">116</span>      throw new 
RemoteException(FileNotFoundException.class.getName(), "");<a 
name="line.116"></a>
+<span class="sourceLineNo">117</span>    }<a name="line.117"></a>
+<span class="sourceLineNo">118</span>    @Override<a name="line.118"></a>
+<span class="sourceLineNo">119</span>    public Configuration getConf() {<a 
name="line.119"></a>
+<span class="sourceLineNo">120</span>      return new Configuration();<a 
name="line.120"></a>
+<span class="sourceLineNo">121</span>    }<a name="line.121"></a>
+<span class="sourceLineNo">122</span>  }<a name="line.122"></a>
+<span class="sourceLineNo">123</span>  @Test(expected = 
FileNotFoundException.class)<a name="line.123"></a>
+<span class="sourceLineNo">124</span>  public void 
testLinkReadWithMissingFile() throws Exception {<a name="line.124"></a>
+<span class="sourceLineNo">125</span>    HBaseTestingUtility testUtil = new 
HBaseTestingUtility();<a name="line.125"></a>
+<span class="sourceLineNo">126</span>    FileSystem fs = new 
MyDistributedFileSystem();<a name="line.126"></a>
+<span class="sourceLineNo">127</span><a name="line.127"></a>
+<span class="sourceLineNo">128</span>    Path originalPath = new 
Path(testUtil.getDefaultRootDirPath(), "test.file");<a name="line.128"></a>
+<span class="sourceLineNo">129</span>    Path archivedPath = new 
Path(testUtil.getDefaultRootDirPath(), "archived.file");<a name="line.129"></a>
+<span class="sourceLineNo">130</span><a name="line.130"></a>
+<span class="sourceLineNo">131</span>    List&lt;Path&gt; files = new 
ArrayList&lt;Path&gt;();<a name="line.131"></a>
+<span class="sourceLineNo">132</span>    files.add(originalPath);<a 
name="line.132"></a>
+<span class="sourceLineNo">133</span>    files.add(archivedPath);<a 
name="line.133"></a>
+<span class="sourceLineNo">134</span><a name="line.134"></a>
+<span class="sourceLineNo">135</span>    FileLink link = new 
FileLink(files);<a name="line.135"></a>
+<span class="sourceLineNo">136</span>    link.open(fs);<a name="line.136"></a>
+<span class="sourceLineNo">137</span>  }<a name="line.137"></a>
+<span class="sourceLineNo">138</span><a name="line.138"></a>
+<span class="sourceLineNo">139</span>  /**<a name="line.139"></a>
+<span class="sourceLineNo">140</span>   * Test, on a local filesystem, that 
the FileLink is still readable<a name="line.140"></a>
+<span class="sourceLineNo">141</span>   * even when the current file gets 
renamed.<a name="line.141"></a>
+<span class="sourceLineNo">142</span>   */<a name="line.142"></a>
+<span class="sourceLineNo">143</span>  @Test<a name="line.143"></a>
+<span class="sourceLineNo">144</span>  public void 
testLocalLinkReadDuringRename() throws IOException {<a name="line.144"></a>
+<span class="sourceLineNo">145</span>    HBaseTestingUtility testUtil = new 
HBaseTestingUtility();<a name="line.145"></a>
+<span class="sourceLineNo">146</span>    FileSystem fs = 
testUtil.getTestFileSystem();<a name="line.146"></a>
+<span class="sourceLineNo">147</span>    assertEquals("file", 
fs.getUri().getScheme());<a name="line.147"></a>
+<span class="sourceLineNo">148</span>    testLinkReadDuringRename(fs, 
testUtil.getDataTestDir());<a name="line.148"></a>
+<span class="sourceLineNo">149</span>  }<a name="line.149"></a>
+<span class="sourceLineNo">150</span><a name="line.150"></a>
+<span class="sourceLineNo">151</span>  /**<a name="line.151"></a>
+<span class="sourceLineNo">152</span>   * Test that link is still readable 
even when the current file gets renamed.<a name="line.152"></a>
+<span class="sourceLineNo">153</span>   */<a name="line.153"></a>
+<span class="sourceLineNo">154</span>  private void 
testLinkReadDuringRename(FileSystem fs, Path rootDir) throws IOException {<a 
name="line.154"></a>
+<span class="sourceLineNo">155</span>    Path originalPath = new Path(rootDir, 
"test.file");<a name="line.155"></a>
+<span class="sourceLineNo">156</span>    Path archivedPath = new Path(rootDir, 
"archived.file");<a name="line.156"></a>
+<span class="sourceLineNo">157</span><a name="line.157"></a>
+<span class="sourceLineNo">158</span>    writeSomeData(fs, originalPath, 256 
&lt;&lt; 20, (byte)2);<a name="line.158"></a>
+<span class="sourceLineNo">159</span><a name="line.159"></a>
+<span class="sourceLineNo">160</span>    List&lt;Path&gt; files = new 
ArrayList&lt;&gt;();<a name="line.160"></a>
+<span class="sourceLineNo">161</span>    files.add(originalPath);<a 
name="line.161"></a>
+<span class="sourceLineNo">162</span>    files.add(archivedPath);<a 
name="line.162"></a>
+<span class="sourceLineNo">163</span><a name="line.163"></a>
+<span class="sourceLineNo">164</span>    FileLink link = new 
FileLink(files);<a name="line.164"></a>
+<span class="sourceLineNo">165</span>    FSDataInputStream in = 
link.open(fs);<a name="line.165"></a>
+<span class="sourceLineNo">166</span>    try {<a name="line.166"></a>
+<span class="sourceLineNo">167</span>      byte[] data = new byte[8192];<a 
name="line.167"></a>
+<span class="sourceLineNo">168</span>      long size = 0;<a 
name="line.168"></a>
+<span class="sourceLineNo">169</span><a name="line.169"></a>
+<span class="sourceLineNo">170</span>      // Read from origin<a 
name="line.170"></a>
+<span class="sourceLineNo">171</span>      int n = in.read(data);<a 
name="line.171"></a>
+<span class="sourceLineNo">172</span>      dataVerify(data, n, (byte)2);<a 
name="line.172"></a>
+<span class="sourceLineNo">173</span>      size += n;<a name="line.173"></a>
+<span class="sourceLineNo">174</span><a name="line.174"></a>
+<span class="sourceLineNo">175</span>      if (FSUtils.WINDOWS) {<a 
name="line.175"></a>
+<span class="sourceLineNo">176</span>        in.close();<a name="line.176"></a>
+<span class="sourceLineNo">177</span>      }<a name="line.177"></a>
+<span class="sourceLineNo">178</span><a name="line.178"></a>
+<span class="sourceLineNo">179</span>      // Move origin to archive<a 
name="line.179"></a>
+<span class="sourceLineNo">180</span>      
assertFalse(fs.exists(archivedPath));<a name="line.180"></a>
+<span class="sourceLineNo">181</span>      fs.rename(originalPath, 
archivedPath);<a name="line.181"></a>
+<span class="sourceLineNo">182</span>      
assertFalse(fs.exists(originalPath));<a name="line.182"></a>
+<span class="sourceLineNo">183</span>      
assertTrue(fs.exists(archivedPath));<a name="line.183"></a>
+<span class="sourceLineNo">184</span><a name="line.184"></a>
+<span class="sourceLineNo">185</span>      if (FSUtils.WINDOWS) {<a 
name="line.185"></a>
+<span class="sourceLineNo">186</span>        in = link.open(fs); // re-read 
from beginning<a name="line.186"></a>
+<span class="sourceLineNo">187</span>        in.read(data);<a 
name="line.187"></a>
+<span class="sourceLineNo">188</span>      }<a name="line.188"></a>
+<span class="sourceLineNo">189</span><a name="line.189"></a>
+<span class="sourceLineNo">190</span>      // Try to read to the end<a 
name="line.190"></a>
+<span class="sourceLineNo">191</span>      while ((n = in.read(data)) &gt; 0) 
{<a name="line.191"></a>
+<span class="sourceLineNo">192</span>        dataVerify(data, n, (byte)2);<a 
name="line.192"></a>
+<span class="sourceLineNo">193</span>        size += n;<a name="line.193"></a>
+<span class="sourceLineNo">194</span>      }<a name="line.194"></a>
+<span class="sourceLineNo">195</span><a name="line.195"></a>
+<span class="sourceLineNo">196</span>      assertEquals(256 &lt;&lt; 20, 
size);<a name="line.196"></a>
+<span class="sourceLineNo">197</span>    } finally {<a name="line.197"></a>
+<span class="sourceLineNo">198</span>      in.close();<a name="line.198"></a>
+<span class="sourceLineNo">199</span>      if (fs.exists(originalPath)) 
fs.delete(originalPath, true);<a name="line.199"></a>
+<span class="sourceLineNo">200</span>      if (fs.exists(archivedPath)) 
fs.delete(archivedPath, true);<a name="line.200"></a>
+<span class="sourceLineNo">201</span>    }<a name="line.201"></a>
+<span class="sourceLineNo">202</span>  }<a name="line.202"></a>
+<span class="sourceLineNo">203</span><a name="line.203"></a>
+<span class="sourceLineNo">204</span>  /**<a name="line.204"></a>
+<span class="sourceLineNo">205</span>   * Test that link is still readable 
even when the current file gets deleted.<a name="line.205"></a>
+<span class="sourceLineNo">206</span>   *<a name="line.206"></a>
+<span class="sourceLineNo">207</span>   * NOTE: This test is valid only on 
HDFS.<a name="line.207"></a>
+<span class="sourceLineNo">208</span>   * When a file is deleted from a local 
file-system, it is simply 'unlinked'.<a name="line.208"></a>
+<span class="sourceLineNo">209</span>   * The inode, which contains the file's 
data, is not deleted until all<a name="line.209"></a>
+<span class="sourceLineNo">210</span>   * processes have finished with it.<a 
name="line.210"></a>
+<span class="sourceLineNo">211</span>   * In HDFS when the request exceed the 
cached block locations,<a name="line.211"></a>
+<span class="sourceLineNo">212</span>   * a query to the namenode is 
performed, using the filename,<a name="line.212"></a>
+<span class="sourceLineNo">213</span>   * and the deleted file doesn't exists 
anymore (FileNotFoundException).<a name="line.213"></a>
+<span class="sourceLineNo">214</span>   */<a name="line.214"></a>
+<span class="sourceLineNo">215</span>  @Test<a name="line.215"></a>
+<span class="sourceLineNo">216</span>  public void 
testHDFSLinkReadDuringDelete() throws Exception {<a name="line.216"></a>
+<span class="sourceLineNo">217</span>    HBaseTestingUtility testUtil = new 
HBaseTestingUtility();<a name="line.217"></a>
+<span class="sourceLineNo">218</span>    Configuration conf = 
testUtil.getConfiguration();<a name="line.218"></a>
+<span class="sourceLineNo">219</span>    conf.setInt("dfs.blocksize", 1024 * 
1024);<a name="line.219"></a>
+<span class="sourceLineNo">220</span>    
conf.setInt("dfs.client.read.prefetch.size", 2 * 1024 * 1024);<a 
name="line.220"></a>
+<span class="sourceLineNo">221</span><a name="line.221"></a>
+<span class="sourceLineNo">222</span>    testUtil.startMiniDFSCluster(1);<a 
name="line.222"></a>
+<span class="sourceLineNo">223</span>    MiniDFSCluster cluster = 
testUtil.getDFSCluster();<a name="line.223"></a>
+<span class="sourceLineNo">224</span>    FileSystem fs = 
cluster.getFileSystem();<a name="line.224"></a>
+<span class="sourceLineNo">225</span>    assertEquals("hdfs", 
fs.getUri().getScheme());<a name="line.225"></a>
+<span class="sourceLineNo">226</span><a name="line.226"></a>
+<span class="sourceLineNo">227</span>    try {<a name="line.227"></a>
+<span class="sourceLineNo">228</span>      List&lt;Path&gt; files = new 
ArrayList&lt;&gt;();<a name="line.228"></a>
+<span class="sourceLineNo">229</span>      for (int i = 0; i &lt; 3; i++) {<a 
name="line.229"></a>
+<span class="sourceLineNo">230</span>        Path path = new 
Path(String.format("test-data-%d", i));<a name="line.230"></a>
+<span class="sourceLineNo">231</span>        writeSomeData(fs, path, 1 
&lt;&lt; 20, (byte)i);<a name="line.231"></a>
+<span class="sourceLineNo">232</span>        files.add(path);<a 
name="line.232"></a>
+<span class="sourceLineNo">233</span>      }<a name="line.233"></a>
+<span class="sourceLineNo">234</span><a name="line.234"></a>
+<span class="sourceLineNo">235</span>      FileLink link = new 
FileLink(files);<a name="line.235"></a>
+<span class="sourceLineNo">236</span>      FSDataInputStream in = 
link.open(fs);<a name="line.236"></a>
+<span class="sourceLineNo">237</span>      try {<a name="line.237"></a>
+<span class="sourceLineNo">238</span>        byte[] data = new byte[8192];<a 
name="line.238"></a>
+<span class="sourceLineNo">239</span>        int n;<a name="line.239"></a>
+<span class="sourceLineNo">240</span><a name="line.240"></a>
+<span class="sourceLineNo">241</span>        // Switch to file 1<a 
name="line.241"></a>
+<span class="sourceLineNo">242</span>        n = in.read(data);<a 
name="line.242"></a>
+<span class="sourceLineNo">243</span>        dataVerify(data, n, (byte)0);<a 
name="line.243"></a>
+<span class="sourceLineNo">244</span>        fs.delete(files.get(0), true);<a 
name="line.244"></a>
+<span class="sourceLineNo">245</span>        skipBuffer(in, (byte)0);<a 
name="line.245"></a>
+<span class="sourceLineNo">246</span><a name="line.246"></a>
+<span class="sourceLineNo">247</span>        // Switch to file 2<a 
name="line.247"></a>
+<span class="sourceLineNo">248</span>        n = in.read(data);<a 
name="line.248"></a>
+<span class="sourceLineNo">249</span>        dataVerify(data, n, (byte)1);<a 
name="line.249"></a>
+<span class="sourceLineNo">250</span>        fs.delete(files.get(1), true);<a 
name="line.250"></a>
+<span class="sourceLineNo">251</span>        skipBuffer(in, (byte)1);<a 
name="line.251"></a>
+<span class="sourceLineNo">252</span><a name="line.252"></a>
+<span class="sourceLineNo">253</span>        // Switch to file 3<a 
name="line.253"></a>
+<span class="sourceLineNo">254</span>        n = in.read(data);<a 
name="line.254"></a>
+<span class="sourceLineNo">255</span>        dataVerify(data, n, (byte)2);<a 
name="line.255"></a>
+<span class="sourceLineNo">256</span>        fs.delete(files.get(2), true);<a 
name="line.256"></a>
+<span class="sourceLineNo">257</span>        skipBuffer(in, (byte)2);<a 
name="line.257"></a>
+<span class="sourceLineNo">258</span><a name="line.258"></a>
+<span class="sourceLineNo">259</span>        // No more files available<a 
name="line.259"></a>
+<span class="sourceLineNo">260</span>        try {<a name="line.260"></a>
+<span class="sourceLineNo">261</span>          n = in.read(data);<a 
name="line.261"></a>
+<span class="sourceLineNo">262</span>          assert(n &lt;= 0);<a 
name="line.262"></a>
+<span class="sourceLineNo">263</span>        } catch (FileNotFoundException e) 
{<a name="line.263"></a>
+<span class="sourceLineNo">264</span>          assertTrue(true);<a 
name="line.264"></a>
+<span class="sourceLineNo">265</span>        }<a name="line.265"></a>
+<span class="sourceLineNo">266</span>      } finally {<a name="line.266"></a>
+<span class="sourceLineNo">267</span>        in.close();<a name="line.267"></a>
+<span class="sourceLineNo">268</span>      }<a name="line.268"></a>
+<span class="sourceLineNo">269</span>    } finally {<a name="line.269"></a>
+<span class="sourceLineNo">270</span>      testUtil.shutdownMiniCluster();<a 
name="line.270"></a>
+<span class="sourceLineNo">271</span>    }<a name="line.271"></a>
+<span class="sourceLineNo">272</span>  }<a name="line.272"></a>
+<span class="sourceLineNo">273</span><a name="line.273"></a>
+<span class="sourceLineNo">274</span>  /**<a name="line.274"></a>
+<span class="sourceLineNo">275</span>   * Write up to 'size' bytes with value 
'v' into a new file called 'path'.<a name="line.275"></a>
+<span class="sourceLineNo">276</span>   */<a name="line.276"></a>
+<span class="sourceLineNo">277</span>  private void writeSomeData (FileSystem 
fs, Path path, long size, byte v) throws IOException {<a name="line.277"></a>
+<span class="sourceLineNo">278</span>    byte[] data = new byte[4096];<a 
name="line.278"></a>
+<span class="sourceLineNo">279</span>    for (int i = 0; i &lt; data.length; 
i++) {<a name="line.279"></a>
+<span class="sourceLineNo">280</span>      data[i] = v;<a name="line.280"></a>
+<span class="sourceLineNo">281</span>    }<a name="line.281"></a>
+<span class="sourceLineNo">282</span><a name="line.282"></a>
+<span class="sourceLineNo">283</span>    FSDataOutputStream stream = 
fs.create(path);<a name="line.283"></a>
+<span class="sourceLineNo">284</span>    try {<a name="line.284"></a>
+<span class="sourceLineNo">285</span>      long written = 0;<a 
name="line.285"></a>
+<span class="sourceLineNo">286</span>      while (written &lt; size) {<a 
name="line.286"></a>
+<span class="sourceLineNo">287</span>        stream.write(data, 0, 
data.length);<a name="line.287"></a>
+<span class="sourceLineNo">288</span>        written += data.length;<a 
name="line.288"></a>
+<span class="sourceLineNo">289</span>      }<a name="line.289"></a>
+<span class="sourceLineNo">290</span>    } finally {<a name="line.290"></a>
+<span class="sourceLineNo">291</span>      stream.close();<a 
name="line.291"></a>
+<span class="sourceLineNo">292</span>    }<a name="line.292"></a>
+<span class="sourceLineNo">293</span>  }<a name="line.293"></a>
+<span class="sourceLineNo">294</span><a name="line.294"></a>
+<span class="sourceLineNo">295</span>  /**<a name="line.295"></a>
+<span class="sourceLineNo">296</span>   * Verify that all bytes in 'data' have 
'v' as value.<a name="line.296"></a>
+<span class="sourceLineNo">297</span>   */<a name="line.297"></a>
+<span class="sourceLineNo">298</span>  private static void dataVerify(byte[] 
data, int n, byte v) {<a name="line.298"></a>
+<span class="sourceLineNo">299</span>    for (int i = 0; i &lt; n; ++i) {<a 
name="line.299"></a>
+<span class="sourceLineNo">300</span>      assertEquals(v, data[i]);<a 
name="line.300"></a>
+<span class="sourceLineNo">301</span>    }<a name="line.301"></a>
+<span class="sourceLineNo">302</span>  }<a name="line.302"></a>
+<span class="sourceLineNo">303</span><a name="line.303"></a>
+<span class="sourceLineNo">304</span>  private static void 
skipBuffer(FSDataInputStream in, byte v) throws IOException {<a 
name="line.304"></a>
+<span class="sourceLineNo">305</span>    byte[] data = new byte[8192];<a 
name="line.305"></a>
+<span class="sourceLineNo">306</span>    try {<a name="line.306"></a>
+<span class="sourceLineNo">307</span>      int n;<a name="line.307"></a>
+<span class="sourceLineNo">308</span>      while ((n = in.read(data)) == 
data.length) {<a name="line.308"></a>
+<span class="sourceLineNo">309</span>        for (int i = 0; i &lt; 
data.length; ++i) {<a name="line.309"></a>
+<span class="sourceLineNo">310</span>          if (data[i] != v)<a 
name="line.310"></a>
+<span class="sourceLineNo">311</span>            throw new Exception("File 
changed");<a name="line.311"></a>
+<span class="sourceLineNo">312</span>        }<a name="line.312"></a>
+<span class="sourceLineNo">313</span>      }<a name="line.313"></a>
+<span class="sourceLineNo">314</span>    } catch (Exception e) {<a 
name="line.314"></a>
+<span class="sourceLineNo">315</span>    }<a name="line.315"></a>
+<span class="sourceLineNo">316</span>  }<a name="line.316"></a>
+<span class="sourceLineNo">317</span>}<a name="line.317"></a>
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+</pre>
+</div>
+</body>
+</html>


http://git-wip-us.apache.org/repos/asf/hbase-site/blob/b3b50f22/testdevapidocs/src-html/org/apache/hadoop/hbase/io/TestFileLink.html
----------------------------------------------------------------------
diff --git 
a/testdevapidocs/src-html/org/apache/hadoop/hbase/io/TestFileLink.html 
b/testdevapidocs/src-html/org/apache/hadoop/hbase/io/TestFileLink.html
index 14f8687..591b85e 100644
--- a/testdevapidocs/src-html/org/apache/hadoop/hbase/io/TestFileLink.html
+++ b/testdevapidocs/src-html/org/apache/hadoop/hbase/io/TestFileLink.html
@@ -45,253 +45,284 @@
 <span class="sourceLineNo">037</span>import 
org.apache.hadoop.hbase.testclassification.IOTests;<a name="line.37"></a>
 <span class="sourceLineNo">038</span>import 
org.apache.hadoop.hbase.testclassification.MediumTests;<a name="line.38"></a>
 <span class="sourceLineNo">039</span>import 
org.apache.hadoop.hbase.util.FSUtils;<a name="line.39"></a>
-<span class="sourceLineNo">040</span>import 
org.apache.hadoop.hdfs.MiniDFSCluster;<a name="line.40"></a>
-<span class="sourceLineNo">041</span>import org.junit.Test;<a 
name="line.41"></a>
-<span class="sourceLineNo">042</span>import 
org.junit.experimental.categories.Category;<a name="line.42"></a>
-<span class="sourceLineNo">043</span><a name="line.43"></a>
-<span class="sourceLineNo">044</span>/**<a name="line.44"></a>
-<span class="sourceLineNo">045</span> * Test that FileLink switches between 
alternate locations<a name="line.45"></a>
-<span class="sourceLineNo">046</span> * when the current location moves or 
gets deleted.<a name="line.46"></a>
-<span class="sourceLineNo">047</span> */<a name="line.47"></a>
-<span class="sourceLineNo">048</span>@Category({IOTests.class, 
MediumTests.class})<a name="line.48"></a>
-<span class="sourceLineNo">049</span>public class TestFileLink {<a 
name="line.49"></a>
-<span class="sourceLineNo">050</span><a name="line.50"></a>
-<span class="sourceLineNo">051</span>  @Test<a name="line.51"></a>
-<span class="sourceLineNo">052</span>  public void testEquals() {<a 
name="line.52"></a>
-<span class="sourceLineNo">053</span>    Path p1 = new Path("/p1");<a 
name="line.53"></a>
-<span class="sourceLineNo">054</span>    Path p2 = new Path("/p2");<a 
name="line.54"></a>
-<span class="sourceLineNo">055</span>    Path p3 = new Path("/p3");<a 
name="line.55"></a>
-<span class="sourceLineNo">056</span><a name="line.56"></a>
-<span class="sourceLineNo">057</span>    assertEquals(new FileLink(), new 
FileLink());<a name="line.57"></a>
-<span class="sourceLineNo">058</span>    assertEquals(new FileLink(p1), new 
FileLink(p1));<a name="line.58"></a>
-<span class="sourceLineNo">059</span>    assertEquals(new FileLink(p1, p2), 
new FileLink(p1, p2));<a name="line.59"></a>
-<span class="sourceLineNo">060</span>    assertEquals(new FileLink(p1, p2, 
p3), new FileLink(p1, p2, p3));<a name="line.60"></a>
-<span class="sourceLineNo">061</span><a name="line.61"></a>
-<span class="sourceLineNo">062</span>    assertNotEquals(new FileLink(p1), new 
FileLink(p3));<a name="line.62"></a>
-<span class="sourceLineNo">063</span>    assertNotEquals(new FileLink(p1, p2), 
new FileLink(p1));<a name="line.63"></a>
-<span class="sourceLineNo">064</span>    assertNotEquals(new FileLink(p1, p2), 
new FileLink(p2));<a name="line.64"></a>
-<span class="sourceLineNo">065</span>    assertNotEquals(new FileLink(p1, p2), 
new FileLink(p2, p1)); // ordering important!<a name="line.65"></a>
-<span class="sourceLineNo">066</span>  }<a name="line.66"></a>
-<span class="sourceLineNo">067</span><a name="line.67"></a>
-<span class="sourceLineNo">068</span>  @Test<a name="line.68"></a>
-<span class="sourceLineNo">069</span>  public void testHashCode() {<a 
name="line.69"></a>
-<span class="sourceLineNo">070</span>    Path p1 = new Path("/p1");<a 
name="line.70"></a>
-<span class="sourceLineNo">071</span>    Path p2 = new Path("/p2");<a 
name="line.71"></a>
-<span class="sourceLineNo">072</span>    Path p3 = new Path("/p3");<a 
name="line.72"></a>
-<span class="sourceLineNo">073</span><a name="line.73"></a>
-<span class="sourceLineNo">074</span>    assertEquals(new 
FileLink().hashCode(), new FileLink().hashCode());<a name="line.74"></a>
-<span class="sourceLineNo">075</span>    assertEquals(new 
FileLink(p1).hashCode(), new FileLink(p1).hashCode());<a name="line.75"></a>
-<span class="sourceLineNo">076</span>    assertEquals(new FileLink(p1, 
p2).hashCode(), new FileLink(p1, p2).hashCode());<a name="line.76"></a>
-<span class="sourceLineNo">077</span>    assertEquals(new FileLink(p1, p2, 
p3).hashCode(), new FileLink(p1, p2, p3).hashCode());<a name="line.77"></a>
-<span class="sourceLineNo">078</span><a name="line.78"></a>
-<span class="sourceLineNo">079</span>    assertNotEquals(new 
FileLink(p1).hashCode(), new FileLink(p3).hashCode());<a name="line.79"></a>
-<span class="sourceLineNo">080</span>    assertNotEquals(new FileLink(p1, 
p2).hashCode(), new FileLink(p1).hashCode());<a name="line.80"></a>
-<span class="sourceLineNo">081</span>    assertNotEquals(new FileLink(p1, 
p2).hashCode(), new FileLink(p2).hashCode());<a name="line.81"></a>
-<span class="sourceLineNo">082</span>    assertNotEquals(new FileLink(p1, 
p2).hashCode(), new FileLink(p2, p1).hashCode()); // ordering<a 
name="line.82"></a>
-<span class="sourceLineNo">083</span>  }<a name="line.83"></a>
-<span class="sourceLineNo">084</span><a name="line.84"></a>
-<span class="sourceLineNo">085</span>  /**<a name="line.85"></a>
-<span class="sourceLineNo">086</span>   * Test, on HDFS, that the FileLink is 
still readable<a name="line.86"></a>
-<span class="sourceLineNo">087</span>   * even when the current file gets 
renamed.<a name="line.87"></a>
-<span class="sourceLineNo">088</span>   */<a name="line.88"></a>
-<span class="sourceLineNo">089</span>  @Test<a name="line.89"></a>
-<span class="sourceLineNo">090</span>  public void 
testHDFSLinkReadDuringRename() throws Exception {<a name="line.90"></a>
-<span class="sourceLineNo">091</span>    HBaseTestingUtility testUtil = new 
HBaseTestingUtility();<a name="line.91"></a>
-<span class="sourceLineNo">092</span>    Configuration conf = 
testUtil.getConfiguration();<a name="line.92"></a>
-<span class="sourceLineNo">093</span>    conf.setInt("dfs.blocksize", 1024 * 
1024);<a name="line.93"></a>
-<span class="sourceLineNo">094</span>    
conf.setInt("dfs.client.read.prefetch.size", 2 * 1024 * 1024);<a 
name="line.94"></a>
-<span class="sourceLineNo">095</span><a name="line.95"></a>
-<span class="sourceLineNo">096</span>    testUtil.startMiniDFSCluster(1);<a 
name="line.96"></a>
-<span class="sourceLineNo">097</span>    MiniDFSCluster cluster = 
testUtil.getDFSCluster();<a name="line.97"></a>
-<span class="sourceLineNo">098</span>    FileSystem fs = 
cluster.getFileSystem();<a name="line.98"></a>
-<span class="sourceLineNo">099</span>    assertEquals("hdfs", 
fs.getUri().getScheme());<a name="line.99"></a>
-<span class="sourceLineNo">100</span><a name="line.100"></a>
-<span class="sourceLineNo">101</span>    try {<a name="line.101"></a>
-<span class="sourceLineNo">102</span>      testLinkReadDuringRename(fs, 
testUtil.getDefaultRootDirPath());<a name="line.102"></a>
-<span class="sourceLineNo">103</span>    } finally {<a name="line.103"></a>
-<span class="sourceLineNo">104</span>      testUtil.shutdownMiniCluster();<a 
name="line.104"></a>
-<span class="sourceLineNo">105</span>    }<a name="line.105"></a>
-<span class="sourceLineNo">106</span>  }<a name="line.106"></a>
-<span class="sourceLineNo">107</span><a name="line.107"></a>
-<span class="sourceLineNo">108</span>  /**<a name="line.108"></a>
-<span class="sourceLineNo">109</span>   * Test, on a local filesystem, that 
the FileLink is still readable<a name="line.109"></a>
-<span class="sourceLineNo">110</span>   * even when the current file gets 
renamed.<a name="line.110"></a>
-<span class="sourceLineNo">111</span>   */<a name="line.111"></a>
-<span class="sourceLineNo">112</span>  @Test<a name="line.112"></a>
-<span class="sourceLineNo">113</span>  public void 
testLocalLinkReadDuringRename() throws IOException {<a name="line.113"></a>
-<span class="sourceLineNo">114</span>    HBaseTestingUtility testUtil = new 
HBaseTestingUtility();<a name="line.114"></a>
-<span class="sourceLineNo">115</span>    FileSystem fs = 
testUtil.getTestFileSystem();<a name="line.115"></a>
-<span class="sourceLineNo">116</span>    assertEquals("file", 
fs.getUri().getScheme());<a name="line.116"></a>
-<span class="sourceLineNo">117</span>    testLinkReadDuringRename(fs, 
testUtil.getDataTestDir());<a name="line.117"></a>
-<span class="sourceLineNo">118</span>  }<a name="line.118"></a>
-<span class="sourceLineNo">119</span><a name="line.119"></a>
-<span class="sourceLineNo">120</span>  /**<a name="line.120"></a>
-<span class="sourceLineNo">121</span>   * Test that link is still readable 
even when the current file gets renamed.<a name="line.121"></a>
-<span class="sourceLineNo">122</span>   */<a name="line.122"></a>
-<span class="sourceLineNo">123</span>  private void 
testLinkReadDuringRename(FileSystem fs, Path rootDir) throws IOException {<a 
name="line.123"></a>
-<span class="sourceLineNo">124</span>    Path originalPath = new Path(rootDir, 
"test.file");<a name="line.124"></a>
-<span class="sourceLineNo">125</span>    Path archivedPath = new Path(rootDir, 
"archived.file");<a name="line.125"></a>
-<span class="sourceLineNo">126</span><a name="line.126"></a>
-<span class="sourceLineNo">127</span>    writeSomeData(fs, originalPath, 256 
&lt;&lt; 20, (byte)2);<a name="line.127"></a>
-<span class="sourceLineNo">128</span><a name="line.128"></a>
-<span class="sourceLineNo">129</span>    List&lt;Path&gt; files = new 
ArrayList&lt;&gt;();<a name="line.129"></a>
-<span class="sourceLineNo">130</span>    files.add(originalPath);<a 
name="line.130"></a>
-<span class="sourceLineNo">131</span>    files.add(archivedPath);<a 
name="line.131"></a>
-<span class="sourceLineNo">132</span><a name="line.132"></a>
-<span class="sourceLineNo">133</span>    FileLink link = new 
FileLink(files);<a name="line.133"></a>
-<span class="sourceLineNo">134</span>    FSDataInputStream in = 
link.open(fs);<a name="line.134"></a>
-<span class="sourceLineNo">135</span>    try {<a name="line.135"></a>
-<span class="sourceLineNo">136</span>      byte[] data = new byte[8192];<a 
name="line.136"></a>
-<span class="sourceLineNo">137</span>      long size = 0;<a 
name="line.137"></a>
+<span class="sourceLineNo">040</span>import 
org.apache.hadoop.hdfs.DistributedFileSystem;<a name="line.40"></a>
+<span class="sourceLineNo">041</span>import 
org.apache.hadoop.hdfs.MiniDFSCluster;<a name="line.41"></a>
+<span class="sourceLineNo">042</span>import 
org.apache.hadoop.ipc.RemoteException;<a name="line.42"></a>
+<span class="sourceLineNo">043</span>import org.junit.Test;<a 
name="line.43"></a>
+<span class="sourceLineNo">044</span>import 
org.junit.experimental.categories.Category;<a name="line.44"></a>
+<span class="sourceLineNo">045</span><a name="line.45"></a>
+<span class="sourceLineNo">046</span>/**<a name="line.46"></a>
+<span class="sourceLineNo">047</span> * Test that FileLink switches between 
alternate locations<a name="line.47"></a>
+<span class="sourceLineNo">048</span> * when the current location moves or 
gets deleted.<a name="line.48"></a>
+<span class="sourceLineNo">049</span> */<a name="line.49"></a>
+<span class="sourceLineNo">050</span>@Category({IOTests.class, 
MediumTests.class})<a name="line.50"></a>
+<span class="sourceLineNo">051</span>public class TestFileLink {<a 
name="line.51"></a>
+<span class="sourceLineNo">052</span><a name="line.52"></a>
+<span class="sourceLineNo">053</span>  @Test<a name="line.53"></a>
+<span class="sourceLineNo">054</span>  public void testEquals() {<a 
name="line.54"></a>
+<span class="sourceLineNo">055</span>    Path p1 = new Path("/p1");<a 
name="line.55"></a>
+<span class="sourceLineNo">056</span>    Path p2 = new Path("/p2");<a 
name="line.56"></a>
+<span class="sourceLineNo">057</span>    Path p3 = new Path("/p3");<a 
name="line.57"></a>
+<span class="sourceLineNo">058</span><a name="line.58"></a>
+<span class="sourceLineNo">059</span>    assertEquals(new FileLink(), new 
FileLink());<a name="line.59"></a>
+<span class="sourceLineNo">060</span>    assertEquals(new FileLink(p1), new 
FileLink(p1));<a name="line.60"></a>
+<span class="sourceLineNo">061</span>    assertEquals(new FileLink(p1, p2), 
new FileLink(p1, p2));<a name="line.61"></a>
+<span class="sourceLineNo">062</span>    assertEquals(new FileLink(p1, p2, 
p3), new FileLink(p1, p2, p3));<a name="line.62"></a>
+<span class="sourceLineNo">063</span><a name="line.63"></a>
+<span class="sourceLineNo">064</span>    assertNotEquals(new FileLink(p1), new 
FileLink(p3));<a name="line.64"></a>
+<span class="sourceLineNo">065</span>    assertNotEquals(new FileLink(p1, p2), 
new FileLink(p1));<a name="line.65"></a>
+<span class="sourceLineNo">066</span>    assertNotEquals(new FileLink(p1, p2), 
new FileLink(p2));<a name="line.66"></a>
+<span class="sourceLineNo">067</span>    assertNotEquals(new FileLink(p1, p2), 
new FileLink(p2, p1)); // ordering important!<a name="line.67"></a>
+<span class="sourceLineNo">068</span>  }<a name="line.68"></a>
+<span class="sourceLineNo">069</span><a name="line.69"></a>
+<span class="sourceLineNo">070</span>  @Test<a name="line.70"></a>
+<span class="sourceLineNo">071</span>  public void testHashCode() {<a 
name="line.71"></a>
+<span class="sourceLineNo">072</span>    Path p1 = new Path("/p1");<a 
name="line.72"></a>
+<span class="sourceLineNo">073</span>    Path p2 = new Path("/p2");<a 
name="line.73"></a>
+<span class="sourceLineNo">074</span>    Path p3 = new Path("/p3");<a 
name="line.74"></a>
+<span class="sourceLineNo">075</span><a name="line.75"></a>
+<span class="sourceLineNo">076</span>    assertEquals(new 
FileLink().hashCode(), new FileLink().hashCode());<a name="line.76"></a>
+<span class="sourceLineNo">077</span>    assertEquals(new 
FileLink(p1).hashCode(), new FileLink(p1).hashCode());<a name="line.77"></a>
+<span class="sourceLineNo">078</span>    assertEquals(new FileLink(p1, 
p2).hashCode(), new FileLink(p1, p2).hashCode());<a name="line.78"></a>
+<span class="sourceLineNo">079</span>    assertEquals(new FileLink(p1, p2, 
p3).hashCode(), new FileLink(p1, p2, p3).hashCode());<a name="line.79"></a>
+<span class="sourceLineNo">080</span><a name="line.80"></a>
+<span class="sourceLineNo">081</span>    assertNotEquals(new 
FileLink(p1).hashCode(), new FileLink(p3).hashCode());<a name="line.81"></a>
+<span class="sourceLineNo">082</span>    assertNotEquals(new FileLink(p1, 
p2).hashCode(), new FileLink(p1).hashCode());<a name="line.82"></a>
+<span class="sourceLineNo">083</span>    assertNotEquals(new FileLink(p1, 
p2).hashCode(), new FileLink(p2).hashCode());<a name="line.83"></a>
+<span class="sourceLineNo">084</span>    assertNotEquals(new FileLink(p1, 
p2).hashCode(), new FileLink(p2, p1).hashCode()); // ordering<a 
name="line.84"></a>
+<span class="sourceLineNo">085</span>  }<a name="line.85"></a>
+<span class="sourceLineNo">086</span><a name="line.86"></a>
+<span class="sourceLineNo">087</span>  /**<a name="line.87"></a>
+<span class="sourceLineNo">088</span>   * Test, on HDFS, that the FileLink is 
still readable<a name="line.88"></a>
+<span class="sourceLineNo">089</span>   * even when the current file gets 
renamed.<a name="line.89"></a>
+<span class="sourceLineNo">090</span>   */<a name="line.90"></a>
+<span class="sourceLineNo">091</span>  @Test<a name="line.91"></a>
+<span class="sourceLineNo">092</span>  public void 
testHDFSLinkReadDuringRename() throws Exception {<a name="line.92"></a>
+<span class="sourceLineNo">093</span>    HBaseTestingUtility testUtil = new 
HBaseTestingUtility();<a name="line.93"></a>
+<span class="sourceLineNo">094</span>    Configuration conf = 
testUtil.getConfiguration();<a name="line.94"></a>
+<span class="sourceLineNo">095</span>    conf.setInt("dfs.blocksize", 1024 * 
1024);<a name="line.95"></a>
+<span class="sourceLineNo">096</span>    
conf.setInt("dfs.client.read.prefetch.size", 2 * 1024 * 1024);<a 
name="line.96"></a>
+<span class="sourceLineNo">097</span><a name="line.97"></a>
+<span class="sourceLineNo">098</span>    testUtil.startMiniDFSCluster(1);<a 
name="line.98"></a>
+<span class="sourceLineNo">099</span>    MiniDFSCluster cluster = 
testUtil.getDFSCluster();<a name="line.99"></a>
+<span class="sourceLineNo">100</span>    FileSystem fs = 
cluster.getFileSystem();<a name="line.100"></a>
+<span class="sourceLineNo">101</span>    assertEquals("hdfs", 
fs.getUri().getScheme());<a name="line.101"></a>
+<span class="sourceLineNo">102</span><a name="line.102"></a>
+<span class="sourceLineNo">103</span>    try {<a name="line.103"></a>
+<span class="sourceLineNo">104</span>      testLinkReadDuringRename(fs, 
testUtil.getDefaultRootDirPath());<a name="line.104"></a>
+<span class="sourceLineNo">105</span>    } finally {<a name="line.105"></a>
+<span class="sourceLineNo">106</span>      testUtil.shutdownMiniCluster();<a 
name="line.106"></a>
+<span class="sourceLineNo">107</span>    }<a name="line.107"></a>
+<span class="sourceLineNo">108</span>  }<a name="line.108"></a>
+<span class="sourceLineNo">109</span><a name="line.109"></a>
+<span class="sourceLineNo">110</span>  private static class 
MyDistributedFileSystem extends DistributedFileSystem {<a name="line.110"></a>
+<span class="sourceLineNo">111</span>    MyDistributedFileSystem() {<a 
name="line.111"></a>
+<span class="sourceLineNo">112</span>    }<a name="line.112"></a>
+<span class="sourceLineNo">113</span>    @Override<a name="line.113"></a>
+<span class="sourceLineNo">114</span>    public FSDataInputStream open(Path f, 
final int bufferSize)<a name="line.114"></a>
+<span class="sourceLineNo">115</span>        throws IOException {<a 
name="line.115"></a>
+<span class="sourceLineNo">116</span>      throw new 
RemoteException(FileNotFoundException.class.getName(), "");<a 
name="line.116"></a>
+<span class="sourceLineNo">117</span>    }<a name="line.117"></a>
+<span class="sourceLineNo">118</span>    @Override<a name="line.118"></a>
+<span class="sourceLineNo">119</span>    public Configuration getConf() {<a 
name="line.119"></a>
+<span class="sourceLineNo">120</span>      return new Configuration();<a 
name="line.120"></a>
+<span class="sourceLineNo">121</span>    }<a name="line.121"></a>
+<span class="sourceLineNo">122</span>  }<a name="line.122"></a>
+<span class="sourceLineNo">123</span>  @Test(expected = 
FileNotFoundException.class)<a name="line.123"></a>
+<span class="sourceLineNo">124</span>  public void 
testLinkReadWithMissingFile() throws Exception {<a name="line.124"></a>
+<span class="sourceLineNo">125</span>    HBaseTestingUtility testUtil = new 
HBaseTestingUtility();<a name="line.125"></a>
+<span class="sourceLineNo">126</span>    FileSystem fs = new 
MyDistributedFileSystem();<a name="line.126"></a>
+<span class="sourceLineNo">127</span><a name="line.127"></a>
+<span class="sourceLineNo">128</span>    Path originalPath = new 
Path(testUtil.getDefaultRootDirPath(), "test.file");<a name="line.128"></a>
+<span class="sourceLineNo">129</span>    Path archivedPath = new 
Path(testUtil.getDefaultRootDirPath(), "archived.file");<a name="line.129"></a>
+<span class="sourceLineNo">130</span><a name="line.130"></a>
+<span class="sourceLineNo">131</span>    List&lt;Path&gt; files = new 
ArrayList&lt;Path&gt;();<a name="line.131"></a>
+<span class="sourceLineNo">132</span>    files.add(originalPath);<a 
name="line.132"></a>
+<span class="sourceLineNo">133</span>    files.add(archivedPath);<a 
name="line.133"></a>
+<span class="sourceLineNo">134</span><a name="line.134"></a>
+<span class="sourceLineNo">135</span>    FileLink link = new 
FileLink(files);<a name="line.135"></a>
+<span class="sourceLineNo">136</span>    link.open(fs);<a name="line.136"></a>
+<span class="sourceLineNo">137</span>  }<a name="line.137"></a>
 <span class="sourceLineNo">138</span><a name="line.138"></a>
-<span class="sourceLineNo">139</span>      // Read from origin<a 
name="line.139"></a>
-<span class="sourceLineNo">140</span>      int n = in.read(data);<a 
name="line.140"></a>
-<span class="sourceLineNo">141</span>      dataVerify(data, n, (byte)2);<a 
name="line.141"></a>
-<span class="sourceLineNo">142</span>      size += n;<a name="line.142"></a>
-<span class="sourceLineNo">143</span><a name="line.143"></a>
-<span class="sourceLineNo">144</span>      if (FSUtils.WINDOWS) {<a 
name="line.144"></a>
-<span class="sourceLineNo">145</span>        in.close();<a name="line.145"></a>
-<span class="sourceLineNo">146</span>      }<a name="line.146"></a>
-<span class="sourceLineNo">147</span><a name="line.147"></a>
-<span class="sourceLineNo">148</span>      // Move origin to archive<a 
name="line.148"></a>
-<span class="sourceLineNo">149</span>      
assertFalse(fs.exists(archivedPath));<a name="line.149"></a>
-<span class="sourceLineNo">150</span>      fs.rename(originalPath, 
archivedPath);<a name="line.150"></a>
-<span class="sourceLineNo">151</span>      
assertFalse(fs.exists(originalPath));<a name="line.151"></a>
-<span class="sourceLineNo">152</span>      
assertTrue(fs.exists(archivedPath));<a name="line.152"></a>
-<span class="sourceLineNo">153</span><a name="line.153"></a>
-<span class="sourceLineNo">154</span>      if (FSUtils.WINDOWS) {<a 
name="line.154"></a>
-<span class="sourceLineNo">155</span>        in = link.open(fs); // re-read 
from beginning<a name="line.155"></a>
-<span class="sourceLineNo">156</span>        in.read(data);<a 
name="line.156"></a>
-<span class="sourceLineNo">157</span>      }<a name="line.157"></a>
-<span class="sourceLineNo">158</span><a name="line.158"></a>
-<span class="sourceLineNo">159</span>      // Try to read to the end<a 
name="line.159"></a>
-<span class="sourceLineNo">160</span>      while ((n = in.read(data)) &gt; 0) 
{<a name="line.160"></a>
-<span class="sourceLineNo">161</span>        dataVerify(data, n, (byte)2);<a 
name="line.161"></a>
-<span class="sourceLineNo">162</span>        size += n;<a name="line.162"></a>
-<span class="sourceLineNo">163</span>      }<a name="line.163"></a>
-<span class="sourceLineNo">164</span><a name="line.164"></a>
-<span class="sourceLineNo">165</span>      assertEquals(256 &lt;&lt; 20, 
size);<a name="line.165"></a>
-<span class="sourceLineNo">166</span>    } finally {<a name="line.166"></a>
-<span class="sourceLineNo">167</span>      in.close();<a name="line.167"></a>
-<span class="sourceLineNo">168</span>      if (fs.exists(originalPath)) 
fs.delete(originalPath, true);<a name="line.168"></a>
-<span class="sourceLineNo">169</span>      if (fs.exists(archivedPath)) 
fs.delete(archivedPath, true);<a name="line.169"></a>
-<span class="sourceLineNo">170</span>    }<a name="line.170"></a>
-<span class="sourceLineNo">171</span>  }<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>   * Test that link is still readable 
even when the current file gets deleted.<a name="line.174"></a>
-<span class="sourceLineNo">175</span>   *<a name="line.175"></a>
-<span class="sourceLineNo">176</span>   * NOTE: This test is valid only on 
HDFS.<a name="line.176"></a>
-<span class="sourceLineNo">177</span>   * When a file is deleted from a local 
file-system, it is simply 'unlinked'.<a name="line.177"></a>
-<span class="sourceLineNo">178</span>   * The inode, which contains the file's 
data, is not deleted until all<a name="line.178"></a>
-<span class="sourceLineNo">179</span>   * processes have finished with it.<a 
name="line.179"></a>
-<span class="sourceLineNo">180</span>   * In HDFS when the request exceed the 
cached block locations,<a name="line.180"></a>
-<span class="sourceLineNo">181</span>   * a query to the namenode is 
performed, using the filename,<a name="line.181"></a>
-<span class="sourceLineNo">182</span>   * and the deleted file doesn't exists 
anymore (FileNotFoundException).<a name="line.182"></a>
-<span class="sourceLineNo">183</span>   */<a name="line.183"></a>
-<span class="sourceLineNo">184</span>  @Test<a name="line.184"></a>
-<span class="sourceLineNo">185</span>  public void 
testHDFSLinkReadDuringDelete() throws Exception {<a name="line.185"></a>
-<span class="sourceLineNo">186</span>    HBaseTestingUtility testUtil = new 
HBaseTestingUtility();<a name="line.186"></a>
-<span class="sourceLineNo">187</span>    Configuration conf = 
testUtil.getConfiguration();<a name="line.187"></a>
-<span class="sourceLineNo">188</span>    conf.setInt("dfs.blocksize", 1024 * 
1024);<a name="line.188"></a>
-<span class="sourceLineNo">189</span>    
conf.setInt("dfs.client.read.prefetch.size", 2 * 1024 * 1024);<a 
name="line.189"></a>
-<span class="sourceLineNo">190</span><a name="line.190"></a>
-<span class="sourceLineNo">191</span>    testUtil.startMiniDFSCluster(1);<a 
name="line.191"></a>
-<span class="sourceLineNo">192</span>    MiniDFSCluster cluster = 
testUtil.getDFSCluster();<a name="line.192"></a>
-<span class="sourceLineNo">193</span>    FileSystem fs = 
cluster.getFileSystem();<a name="line.193"></a>
-<span class="sourceLineNo">194</span>    assertEquals("hdfs", 
fs.getUri().getScheme());<a name="line.194"></a>
+<span class="sourceLineNo">139</span>  /**<a name="line.139"></a>
+<span class="sourceLineNo">140</span>   * Test, on a local filesystem, that 
the FileLink is still readable<a name="line.140"></a>
+<span class="sourceLineNo">141</span>   * even when the current file gets 
renamed.<a name="line.141"></a>
+<span class="sourceLineNo">142</span>   */<a name="line.142"></a>
+<span class="sourceLineNo">143</span>  @Test<a name="line.143"></a>
+<span class="sourceLineNo">144</span>  public void 
testLocalLinkReadDuringRename() throws IOException {<a name="line.144"></a>
+<span class="sourceLineNo">145</span>    HBaseTestingUtility testUtil = new 
HBaseTestingUtility();<a name="line.145"></a>
+<span class="sourceLineNo">146</span>    FileSystem fs = 
testUtil.getTestFileSystem();<a name="line.146"></a>
+<span class="sourceLineNo">147</span>    assertEquals("file", 
fs.getUri().getScheme());<a name="line.147"></a>
+<span class="sourceLineNo">148</span>    testLinkReadDuringRename(fs, 
testUtil.getDataTestDir());<a name="line.148"></a>
+<span class="sourceLineNo">149</span>  }<a name="line.149"></a>
+<span class="sourceLineNo">150</span><a name="line.150"></a>
+<span class="sourceLineNo">151</span>  /**<a name="line.151"></a>
+<span class="sourceLineNo">152</span>   * Test that link is still readable 
even when the current file gets renamed.<a name="line.152"></a>
+<span class="sourceLineNo">153</span>   */<a name="line.153"></a>
+<span class="sourceLineNo">154</span>  private void 
testLinkReadDuringRename(FileSystem fs, Path rootDir) throws IOException {<a 
name="line.154"></a>
+<span class="sourceLineNo">155</span>    Path originalPath = new Path(rootDir, 
"test.file");<a name="line.155"></a>
+<span class="sourceLineNo">156</span>    Path archivedPath = new Path(rootDir, 
"archived.file");<a name="line.156"></a>
+<span class="sourceLineNo">157</span><a name="line.157"></a>
+<span class="sourceLineNo">158</span>    writeSomeData(fs, originalPath, 256 
&lt;&lt; 20, (byte)2);<a name="line.158"></a>
+<span class="sourceLineNo">159</span><a name="line.159"></a>
+<span class="sourceLineNo">160</span>    List&lt;Path&gt; files = new 
ArrayList&lt;&gt;();<a name="line.160"></a>
+<span class="sourceLineNo">161</span>    files.add(originalPath);<a 
name="line.161"></a>
+<span class="sourceLineNo">162</span>    files.add(archivedPath);<a 
name="line.162"></a>
+<span class="sourceLineNo">163</span><a name="line.163"></a>
+<span class="sourceLineNo">164</span>    FileLink link = new 
FileLink(files);<a name="line.164"></a>
+<span class="sourceLineNo">165</span>    FSDataInputStream in = 
link.open(fs);<a name="line.165"></a>
+<span class="sourceLineNo">166</span>    try {<a name="line.166"></a>
+<span class="sourceLineNo">167</span>      byte[] data = new byte[8192];<a 
name="line.167"></a>
+<span class="sourceLineNo">168</span>      long size = 0;<a 
name="line.168"></a>
+<span class="sourceLineNo">169</span><a name="line.169"></a>
+<span class="sourceLineNo">170</span>      // Read from origin<a 
name="line.170"></a>
+<span class="sourceLineNo">171</span>      int n = in.read(data);<a 
name="line.171"></a>
+<span class="sourceLineNo">172</span>      dataVerify(data, n, (byte)2);<a 
name="line.172"></a>
+<span class="sourceLineNo">173</span>      size += n;<a name="line.173"></a>
+<span class="sourceLineNo">174</span><a name="line.174"></a>
+<span class="sourceLineNo">175</span>      if (FSUtils.WINDOWS) {<a 
name="line.175"></a>
+<span class="sourceLineNo">176</span>        in.close();<a name="line.176"></a>
+<span class="sourceLineNo">177</span>      }<a name="line.177"></a>
+<span class="sourceLineNo">178</span><a name="line.178"></a>
+<span class="sourceLineNo">179</span>      // Move origin to archive<a 
name="line.179"></a>
+<span class="sourceLineNo">180</span>      
assertFalse(fs.exists(archivedPath));<a name="line.180"></a>
+<span class="sourceLineNo">181</span>      fs.rename(originalPath, 
archivedPath);<a name="line.181"></a>
+<span class="sourceLineNo">182</span>      
assertFalse(fs.exists(originalPath));<a name="line.182"></a>
+<span class="sourceLineNo">183</span>      
assertTrue(fs.exists(archivedPath));<a name="line.183"></a>
+<span class="sourceLineNo">184</span><a name="line.184"></a>
+<span class="sourceLineNo">185</span>      if (FSUtils.WINDOWS) {<a 
name="line.185"></a>
+<span class="sourceLineNo">186</span>        in = link.open(fs); // re-read 
from beginning<a name="line.186"></a>
+<span class="sourceLineNo">187</span>        in.read(data);<a 
name="line.187"></a>
+<span class="sourceLineNo">188</span>      }<a name="line.188"></a>
+<span class="sourceLineNo">189</span><a name="line.189"></a>
+<span class="sourceLineNo">190</span>      // Try to read to the end<a 
name="line.190"></a>
+<span class="sourceLineNo">191</span>      while ((n = in.read(data)) &gt; 0) 
{<a name="line.191"></a>
+<span class="sourceLineNo">192</span>        dataVerify(data, n, (byte)2);<a 
name="line.192"></a>
+<span class="sourceLineNo">193</span>        size += n;<a name="line.193"></a>
+<span class="sourceLineNo">194</span>      }<a name="line.194"></a>
 <span class="sourceLineNo">195</span><a name="line.195"></a>
-<span class="sourceLineNo">196</span>    try {<a name="line.196"></a>
-<span class="sourceLineNo">197</span>      List&lt;Path&gt; files = new 
ArrayList&lt;&gt;();<a name="line.197"></a>
-<span class="sourceLineNo">198</span>      for (int i = 0; i &lt; 3; i++) {<a 
name="line.198"></a>
-<span class="sourceLineNo">199</span>        Path path = new 
Path(String.format("test-data-%d", i));<a name="line.199"></a>
-<span class="sourceLineNo">200</span>        writeSomeData(fs, path, 1 
&lt;&lt; 20, (byte)i);<a name="line.200"></a>
-<span class="sourceLineNo">201</span>        files.add(path);<a 
name="line.201"></a>
-<span class="sourceLineNo">202</span>      }<a name="line.202"></a>
+<span class="sourceLineNo">196</span>      assertEquals(256 &lt;&lt; 20, 
size);<a name="line.196"></a>
+<span class="sourceLineNo">197</span>    } finally {<a name="line.197"></a>
+<span class="sourceLineNo">198</span>      in.close();<a name="line.198"></a>
+<span class="sourceLineNo">199</span>      if (fs.exists(originalPath)) 
fs.delete(originalPath, true);<a name="line.199"></a>
+<span class="sourceLineNo">200</span>      if (fs.exists(archivedPath)) 
fs.delete(archivedPath, true);<a name="line.200"></a>
+<span class="sourceLineNo">201</span>    }<a name="line.201"></a>
+<span class="sourceLineNo">202</span>  }<a name="line.202"></a>
 <span class="sourceLineNo">203</span><a name="line.203"></a>
-<span class="sourceLineNo">204</span>      FileLink link = new 
FileLink(files);<a name="line.204"></a>
-<span class="sourceLineNo">205</span>      FSDataInputStream in = 
link.open(fs);<a name="line.205"></a>
-<span class="sourceLineNo">206</span>      try {<a name="line.206"></a>
-<span class="sourceLineNo">207</span>        byte[] data = new byte[8192];<a 
name="line.207"></a>
-<span class="sourceLineNo">208</span>        int n;<a name="line.208"></a>
-<span class="sourceLineNo">209</span><a name="line.209"></a>
-<span class="sourceLineNo">210</span>        // Switch to file 1<a 
name="line.210"></a>
-<span class="sourceLineNo">211</span>        n = in.read(data);<a 
name="line.211"></a>
-<span class="sourceLineNo">212</span>        dataVerify(data, n, (byte)0);<a 
name="line.212"></a>
-<span class="sourceLineNo">213</span>        fs.delete(files.get(0), true);<a 
name="line.213"></a>
-<span class="sourceLineNo">214</span>        skipBuffer(in, (byte)0);<a 
name="line.214"></a>
-<span class="sourceLineNo">215</span><a name="line.215"></a>
-<span class="sourceLineNo">216</span>        // Switch to file 2<a 
name="line.216"></a>
-<span class="sourceLineNo">217</span>        n = in.read(data);<a 
name="line.217"></a>
-<span class="sourceLineNo">218</span>        dataVerify(data, n, (byte)1);<a 
name="line.218"></a>
-<span class="sourceLineNo">219</span>        fs.delete(files.get(1), true);<a 
name="line.219"></a>
-<span class="sourceLineNo">220</span>        skipBuffer(in, (byte)1);<a 
name="line.220"></a>
+<span class="sourceLineNo">204</span>  /**<a name="line.204"></a>
+<span class="sourceLineNo">205</span>   * Test that link is still readable 
even when the current file gets deleted.<a name="line.205"></a>
+<span class="sourceLineNo">206</span>   *<a name="line.206"></a>
+<span class="sourceLineNo">207</span>   * NOTE: This test is valid only on 
HDFS.<a name="line.207"></a>
+<span class="sourceLineNo">208</span>   * When a file is deleted from a local 
file-system, it is simply 'unlinked'.<a name="line.208"></a>
+<span class="sourceLineNo">209</span>   * The inode, which contains the file's 
data, is not deleted until all<a name="line.209"></a>
+<span class="sourceLineNo">210</span>   * processes have finished with it.<a 
name="line.210"></a>
+<span class="sourceLineNo">211</span>   * In HDFS when the request exceed the 
cached block locations,<a name="line.211"></a>
+<span class="sourceLineNo">212</span>   * a query to the namenode is 
performed, using the filename,<a name="line.212"></a>
+<span class="sourceLineNo">213</span>   * and the deleted file doesn't exists 
anymore (FileNotFoundException).<a name="line.213"></a>
+<span class="sourceLineNo">214</span>   */<a name="line.214"></a>
+<span class="sourceLineNo">215</span>  @Test<a name="line.215"></a>
+<span class="sourceLineNo">216</span>  public void 
testHDFSLinkReadDuringDelete() throws Exception {<a name="line.216"></a>
+<span class="sourceLineNo">217</span>    HBaseTestingUtility testUtil = new 
HBaseTestingUtility();<a name="line.217"></a>
+<span class="sourceLineNo">218</span>    Configuration conf = 
testUtil.getConfiguration();<a name="line.218"></a>
+<span class="sourceLineNo">219</span>    conf.setInt("dfs.blocksize", 1024 * 
1024);<a name="line.219"></a>
+<span class="sourceLineNo">220</span>    
conf.setInt("dfs.client.read.prefetch.size", 2 * 1024 * 1024);<a 
name="line.220"></a>
 <span class="sourceLineNo">221</span><a name="line.221"></a>
-<span class="sourceLineNo">222</span>        // Switch to file 3<a 
name="line.222"></a>
-<span class="sourceLineNo">223</span>        n = in.read(data);<a 
name="line.223"></a>
-<span class="sourceLineNo">224</span>        dataVerify(data, n, (byte)2);<a 
name="line.224"></a>
-<span class="sourceLineNo">225</span>        fs.delete(files.get(2), true);<a 
name="line.225"></a>
-<span class="sourceLineNo">226</span>        skipBuffer(in, (byte)2);<a 
name="line.226"></a>
-<span class="sourceLineNo">227</span><a name="line.227"></a>
-<span class="sourceLineNo">228</span>        // No more files available<a 
name="line.228"></a>
-<span class="sourceLineNo">229</span>        try {<a name="line.229"></a>
-<span class="sourceLineNo">230</span>          n = in.read(data);<a 
name="line.230"></a>
-<span class="sourceLineNo">231</span>          assert(n &lt;= 0);<a 
name="line.231"></a>
-<span class="sourceLineNo">232</span>        } catch (FileNotFoundException e) 
{<a name="line.232"></a>
-<span class="sourceLineNo">233</span>          assertTrue(true);<a 
name="line.233"></a>
-<span class="sourceLineNo">234</span>        }<a name="line.234"></a>
-<span class="sourceLineNo">235</span>      } finally {<a name="line.235"></a>
-<span class="sourceLineNo">236</span>        in.close();<a name="line.236"></a>
-<span class="sourceLineNo">237</span>      }<a name="line.237"></a>
-<span class="sourceLineNo">238</span>    } finally {<a name="line.238"></a>
-<span class="sourceLineNo">239</span>      testUtil.shutdownMiniCluster();<a 
name="line.239"></a>
-<span class="sourceLineNo">240</span>    }<a name="line.240"></a>
-<span class="sourceLineNo">241</span>  }<a name="line.241"></a>
-<span class="sourceLineNo">242</span><a name="line.242"></a>
-<span class="sourceLineNo">243</span>  /**<a name="line.243"></a>
-<span class="sourceLineNo">244</span>   * Write up to 'size' bytes with value 
'v' into a new file called 'path'.<a name="line.244"></a>
-<span class="sourceLineNo">245</span>   */<a name="line.245"></a>
-<span class="sourceLineNo">246</span>  private void writeSomeData (FileSystem 
fs, Path path, long size, byte v) throws IOException {<a name="line.246"></a>
-<span class="sourceLineNo">247</span>    byte[] data = new byte[4096];<a 
name="line.247"></a>
-<span class="sourceLineNo">248</span>    for (int i = 0; i &lt; data.length; 
i++) {<a name="line.248"></a>
-<span class="sourceLineNo">249</span>      data[i] = v;<a name="line.249"></a>
-<span class="sourceLineNo">250</span>    }<a name="line.250"></a>
-<span class="sourceLineNo">251</span><a name="line.251"></a>
-<span class="sourceLineNo">252</span>    FSDataOutputStream stream = 
fs.create(path);<a name="line.252"></a>
-<span class="sourceLineNo">253</span>    try {<a name="line.253"></a>
-<span class="sourceLineNo">254</span>      long written = 0;<a 
name="line.254"></a>
-<span class="sourceLineNo">255</span>      while (written &lt; size) {<a 
name="line.255"></a>
-<span class="sourceLineNo">256</span>        stream.write(data, 0, 
data.length);<a name="line.256"></a>
-<span class="sourceLineNo">257</span>        written += data.length;<a 
name="line.257"></a>
-<span class="sourceLineNo">258</span>      }<a name="line.258"></a>
-<span class="sourceLineNo">259</span>    } finally {<a name="line.259"></a>
-<span class="sourceLineNo">260</span>      stream.close();<a 
name="line.260"></a>
-<span class="sourceLineNo">261</span>    }<a name="line.261"></a>
-<span class="sourceLineNo">262</span>  }<a name="line.262"></a>
-<span class="sourceLineNo">263</span><a name="line.263"></a>
-<span class="sourceLineNo">264</span>  /**<a name="line.264"></a>
-<span class="sourceLineNo">265</span>   * Verify that all bytes in 'data' have 
'v' as value.<a name="line.265"></a>
-<span class="sourceLineNo">266</span>   */<a name="line.266"></a>
-<span class="sourceLineNo">267</span>  private static void dataVerify(byte[] 
data, int n, byte v) {<a name="line.267"></a>
-<span class="sourceLineNo">268</span>    for (int i = 0; i &lt; n; ++i) {<a 
name="line.268"></a>
-<span class="sourceLineNo">269</span>      assertEquals(v, data[i]);<a 
name="line.269"></a>
-<span class="sourceLineNo">270</span>    }<a name="line.270"></a>
-<span class="sourceLineNo">271</span>  }<a name="line.271"></a>
-<span class="sourceLineNo">272</span><a name="line.272"></a>
-<span class="sourceLineNo">273</span>  private static void 
skipBuffer(FSDataInputStream in, byte v) throws IOException {<a 
name="line.273"></a>
-<span class="sourceLineNo">274</span>    byte[] data = new byte[8192];<a 
name="line.274"></a>
-<span class="sourceLineNo">275</span>    try {<a name="line.275"></a>
-<span class="sourceLineNo">276</span>      int n;<a name="line.276"></a>
-<span class="sourceLineNo">277</span>      while ((n = in.read(data)) == 
data.length) {<a name="line.277"></a>
-<span class="sourceLineNo">278</span>        for (int i = 0; i &lt; 
data.length; ++i) {<a name="line.278"></a>
-<span class="sourceLineNo">279</span>          if (data[i] != v)<a 
name="line.279"></a>
-<span class="sourceLineNo">280</span>            throw new Exception("File 
changed");<a name="line.280"></a>
-<span class="sourceLineNo">281</span>        }<a name="line.281"></a>
-<span class="sourceLineNo">282</span>      }<a name="line.282"></a>
-<span class="sourceLineNo">283</span>    } catch (Exception e) {<a 
name="line.283"></a>
-<span class="sourceLineNo">284</span>    }<a name="line.284"></a>
-<span class="sourceLineNo">285</span>  }<a name="line.285"></a>
-<span class="sourceLineNo">286</span>}<a name="line.286"></a>
+<span class="sourceLineNo">222</span>    testUtil.startMiniDFSCluster(1);<a 
name="line.222"></a>
+<span class="sourceLineNo">223</span>    MiniDFSCluster cluster = 
testUtil.getDFSCluster();<a name="line.223"></a>
+<span class="sourceLineNo">224</span>    FileSystem fs = 
cluster.getFileSystem();<a name="line.224"></a>
+<span class="sourceLineNo">225</span>    assertEquals("hdfs", 
fs.getUri().getScheme());<a name="line.225"></a>
+<span class="sourceLineNo">226</span><a name="line.226"></a>
+<span class="sourceLineNo">227</span>    try {<a name="line.227"></a>
+<span class="sourceLineNo">228</span>      List&lt;Path&gt; files = new 
ArrayList&lt;&gt;();<a name="line.228"></a>
+<span class="sourceLineNo">229</span>      for (int i = 0; i &lt; 3; i++) {<a 
name="line.229"></a>
+<span class="sourceLineNo">230</span>        Path path = new 
Path(String.format("test-data-%d", i));<a name="line.230"></a>
+<span class="sourceLineNo">231</span>        writeSomeData(fs, path, 1 
&lt;&lt; 20, (byte)i);<a name="line.231"></a>
+<span class="sourceLineNo">232</span>        files.add(path);<a 
name="line.232"></a>
+<span class="sourceLineNo">233</span>      }<a name="line.233"></a>
+<span class="sourceLineNo">234</span><a name="line.234"></a>
+<span class="sourceLineNo">235</span>      FileLink link = new 
FileLink(files);<a name="line.235"></a>
+<span class="sourceLineNo">236</span>      FSDataInputStream in = 
link.open(fs);<a name="line.236"></a>
+<span class="sourceLineNo">237</span>      try {<a name="line.237"></a>
+<span class="sourceLineNo">238</span>        byte[] data = new byte[8192];<a 
name="line.238"></a>
+<span class="sourceLineNo">239</span>        int n;<a name="line.239"></a>
+<span class="sourceLineNo">240</span><a name="line.240"></a>
+<span class="sourceLineNo">241</span>        // Switch to file 1<a 
name="line.241"></a>
+<span class="sourceLineNo">242</span>        n = in.read(data);<a 
name="line.242"></a>
+<span class="sourceLineNo">243</span>        dataVerify(data, n, (byte)0);<a 
name="line.243"></a>
+<span class="sourceLineNo">244</span>        fs.delete(files.get(0), true);<a 
name="line.244"></a>
+<span class="sourceLineNo">245</span>        skipBuffer(in, (byte)0);<a 
name="line.245"></a>
+<span class="sourceLineNo">246</span><a name="line.246"></a>
+<span class="sourceLineNo">247</span>        // Switch to file 2<a 
name="line.247"></a>
+<span class="sourceLineNo">248</span>        n = in.read(data);<a 
name="line.248"></a>
+<span class="sourceLineNo">249</span>        dataVerify(data, n, (byte)1);<a 
name="line.249"></a>
+<span class="sourceLineNo">250</span>        fs.delete(files.get(1), true);<a 
name="line.250"></a>
+<span class="sourceLineNo">251</span>        skipBuffer(in, (byte)1);<a 
name="line.251"></a>
+<span class="sourceLineNo">252</span><a name="line.252"></a>
+<span class="sourceLineNo">253</span>        // Switch to file 3<a 
name="line.253"></a>
+<span class="sourceLineNo">254</span>        n = in.read(data);<a 
name="line.254"></a>
+<span class="sourceLineNo">255</span>        dataVerify(data, n, (byte)2);<a 
name="line.255"></a>
+<span class="sourceLineNo">256</span>        fs.delete(files.get(2), true);<a 
name="line.256"></a>
+<span class="sourceLineNo">257</span>        skipBuffer(in, (byte)2);<a 
name="line.257"></a>
+<span class="sourceLineNo">258</span><a name="line.258"></a>
+<span class="sourceLineNo">259</span>        // No more files available<a 
name="line.259"></a>
+<span class="sourceLineNo">260</span>        try {<a name="line.260"></a>
+<span class="sourceLineNo">261</span>          n = in.read(data);<a 
name="line.261"></a>
+<span class="sourceLineNo">262</span>          assert(n &lt;= 0);<a 
name="line.262"></a>
+<span class="sourceLineNo">263</span>        } catch (FileNotFoundException e) 
{<a name="line.263"></a>
+<span class="sourceLineNo">264</span>          assertTrue(true);<a 
name="line.264"></a>
+<span class="sourceLineNo">265</span>        }<a name="line.265"></a>
+<span class="sourceLineNo">266</span>      } finally {<a name="line.266"></a>
+<span class="sourceLineNo">267</span>        in.close();<a name="line.267"></a>
+<span class="sourceLineNo">268</span>      }<a name="line.268"></a>
+<span class="sourceLineNo">269</span>    } finally {<a name="line.269"></a>
+<span class="sourceLineNo">270</span>      testUtil.shutdownMiniCluster();<a 
name="line.270"></a>
+<span class="sourceLineNo">271</span>    }<a name="line.271"></a>
+<span class="sourceLineNo">272</span>  }<a name="line.272"></a>
+<span class="sourceLineNo">273</span><a name="line.273"></a>
+<span class="sourceLineNo">274</span>  /**<a name="line.274"></a>
+<span class="sourceLineNo">275</span>   * Write up to 'size' bytes with value 
'v' into a new file called 'path'.<a name="line.275"></a>
+<span class="sourceLineNo">276</span>   */<a name="line.276"></a>
+<span class="sourceLineNo">277</span>  private void writeSomeData (FileSystem 
fs, Path path, long size, byte v) throws IOException {<a name="line.277"></a>
+<span class="sourceLineNo">278</span>    byte[] data = new byte[4096];<a 
name="line.278"></a>
+<span class="sourceLineNo">279</span>    for (int i = 0; i &lt; data.length; 
i++) {<a name="line.279"></a>
+<span class="sourceLineNo">280</span>      data[i] = v;<a name="line.280"></a>
+<span class="sourceLineNo">281</span>    }<a name="line.281"></a>
+<span class="sourceLineNo">282</span><a name="line.282"></a>
+<span class="sourceLineNo">283</span>    FSDataOutputStream stream = 
fs.create(path);<a name="line.283"></a>
+<span class="sourceLineNo">284</span>    try {<a name="line.284"></a>
+<span class="sourceLineNo">285</span>      long written = 0;<a 
name="line.285"></a>
+<span class="sourceLineNo">286</span>      while (written &lt; size) {<a 
name="line.286"></a>
+<span class="sourceLineNo">287</span>        stream.write(data, 0, 
data.length);<a name="line.287"></a>
+<span class="sourceLineNo">288</span>        written += data.length;<a 
name="line.288"></a>
+<span class="sourceLineNo">289</span>      }<a name="line.289"></a>
+<span class="sourceLineNo">290</span>    } finally {<a name="line.290"></a>
+<span class="sourceLineNo">291</span>      stream.close();<a 
name="line.291"></a>
+<span class="sourceLineNo">292</span>    }<a name="line.292"></a>
+<span class="sourceLineNo">293</span>  }<a name="line.293"></a>
+<span class="sourceLineNo">294</span><a name="line.294"></a>
+<span class="sourceLineNo">295</span>  /**<a name="line.295"></a>
+<span class="sourceLineNo">296</span>   * Verify that all bytes in 'data' have 
'v' as value.<a name="line.296"></a>
+<span class="sourceLineNo">297</span>   */<a name="line.297"></a>
+<span class="sourceLineNo">298</span>  private static void dataVerify(byte[] 
data, int n, byte v) {<a name="line.298"></a>
+<span class="sourceLineNo">299</span>    for (int i = 0; i &lt; n; ++i) {<a 
name="line.299"></a>
+<span class="sourceLineNo">300</span>      assertEquals(v, data[i]);<a 
name="line.300"></a>
+<span class="sourceLineNo">301</span>    }<a name="line.301"></a>
+<span class="sourceLineNo">302</span>  }<a name="line.302"></a>
+<span class="sourceLineNo">303</span><a name="line.303"></a>
+<span class="sourceLineNo">304</span>  private static void 
skipBuffer(FSDataInputStream in, byte v) throws IOException {<a 
name="line.304"></a>
+<span class="sourceLineNo">305</span>    byte[] data = new byte[8192];<a 
name="line.305"></a>
+<span class="sourceLineNo">306</span>    try {<a name="line.306"></a>
+<span class="sourceLineNo">307</span>      int n;<a name="line.307"></a>
+<span class="sourceLineNo">308</span>      while ((n = in.read(data)) == 
data.length) {<a name="line.308"></a>
+<span class="sourceLineNo">309</span>        for (int i = 0; i &lt; 
data.length; ++i) {<a name="line.309"></a>
+<span class="sourceLineNo">310</span>          if (data[i] != v)<a 
name="line.310"></a>
+<span class="sourceLineNo">311</span>            throw new Exception("File 
changed");<a name="line.311"></a>
+<span class="sourceLineNo">312</span>        }<a name="line.312"></a>
+<span class="sourceLineNo">313</span>      }<a name="line.313"></a>
+<span class="sourceLineNo">314</span>    } catch (Exception e) {<a 
name="line.314"></a>
+<span class="sourceLineNo">315</span>    }<a name="line.315"></a>
+<span class="sourceLineNo">316</span>  }<a name="line.316"></a>
+<span class="sourceLineNo">317</span>}<a name="line.317"></a>
 
 
 

http://git-wip-us.apache.org/repos/asf/hbase-site/blob/b3b50f22/testdevapidocs/src-html/org/apache/hadoop/hbase/io/hfile/bucket/TestFileIOEngine.html
----------------------------------------------------------------------
diff --git 
a/testdevapidocs/src-html/org/apache/hadoop/hbase/io/hfile/bucket/TestFileIOEngine.html
 
b/testdevapidocs/src-html/org/apache/hadoop/hbase/io/hfile/bucket/TestFileIOEngine.html
index 91e4be4..51745c9 100644
--- 
a/testdevapidocs/src-html/org/apache/hadoop/hbase/io/hfile/bucket/TestFileIOEngine.html
+++ 
b/testdevapidocs/src-html/org/apache/hadoop/hbase/io/hfile/bucket/TestFileIOEngine.html
@@ -66,7 +66,7 @@
 <span class="sourceLineNo">058</span>      
boundaryStopPositions.add(sizePerFile * i + 1);<a name="line.58"></a>
 <span class="sourceLineNo">059</span>    }<a name="line.59"></a>
 <span class="sourceLineNo">060</span>    boundaryStopPositions.add(sizePerFile 
* filePaths.length - 1);<a name="line.60"></a>
-<span class="sourceLineNo">061</span>    FileIOEngine fileIOEngine = new 
FileIOEngine(totalCapacity, filePaths);<a name="line.61"></a>
+<span class="sourceLineNo">061</span>    FileIOEngine fileIOEngine = new 
FileIOEngine(totalCapacity, false, filePaths);<a name="line.61"></a>
 <span class="sourceLineNo">062</span>    try {<a name="line.62"></a>
 <span class="sourceLineNo">063</span>      for (int i = 0; i &lt; 500; i++) 
{<a name="line.63"></a>
 <span class="sourceLineNo">064</span>        int len = (int) 
Math.floor(Math.random() * 100);<a name="line.64"></a>

http://git-wip-us.apache.org/repos/asf/hbase-site/blob/b3b50f22/testdevapidocs/src-html/org/apache/hadoop/hbase/master/MockNoopMasterServices.html
----------------------------------------------------------------------
diff --git 
a/testdevapidocs/src-html/org/apache/hadoop/hbase/master/MockNoopMasterServices.html
 
b/testdevapidocs/src-html/org/apache/hadoop/hbase/master/MockNoopMasterServices.html
index 4e40838..c6fff5c 100644
--- 
a/testdevapidocs/src-html/org/apache/hadoop/hbase/master/MockNoopMasterServices.html
+++ 
b/testdevapidocs/src-html/org/apache/hadoop/hbase/master/MockNoopMasterServices.html
@@ -451,17 +451,26 @@
 <span class="sourceLineNo">443</span>  }<a name="line.443"></a>
 <span class="sourceLineNo">444</span><a name="line.444"></a>
 <span class="sourceLineNo">445</span>  @Override<a name="line.445"></a>
-<span class="sourceLineNo">446</span>  public long 
dispatchMergingRegions(HRegionInfo region_a, HRegionInfo region_b, boolean 
forcible, long nonceGroup,<a name="line.446"></a>
-<span class="sourceLineNo">447</span>      long nonce) throws IOException {<a 
name="line.447"></a>
-<span class="sourceLineNo">448</span>    return 0;<a name="line.448"></a>
-<span class="sourceLineNo">449</span>  }<a name="line.449"></a>
-<span class="sourceLineNo">450</span><a name="line.450"></a>
-<span class="sourceLineNo">451</span>  @Override<a name="line.451"></a>
-<span class="sourceLineNo">452</span>  public ProcedureEvent 
getInitializedEvent() {<a name="line.452"></a>
-<span class="sourceLineNo">453</span>    // TODO Auto-generated method stub<a 
name="line.453"></a>
-<span class="sourceLineNo">454</span>    return null;<a name="line.454"></a>
-<span class="sourceLineNo">455</span>  }<a name="line.455"></a>
-<span class="sourceLineNo">456</span>}<a name="line.456"></a>
+<span class="sourceLineNo">446</span>  public String 
getRegionServerVersion(ServerName sn) {<a name="line.446"></a>
+<span class="sourceLineNo">447</span>    return null;<a name="line.447"></a>
+<span class="sourceLineNo">448</span>  }<a name="line.448"></a>
+<span class="sourceLineNo">449</span><a name="line.449"></a>
+<span class="sourceLineNo">450</span>  @Override<a name="line.450"></a>
+<span class="sourceLineNo">451</span>  public void 
checkIfShouldMoveSystemRegionAsync() {<a name="line.451"></a>
+<span class="sourceLineNo">452</span>  }<a name="line.452"></a>
+<span class="sourceLineNo">453</span><a name="line.453"></a>
+<span class="sourceLineNo">454</span>  @Override<a name="line.454"></a>
+<span class="sourceLineNo">455</span>  public long 
dispatchMergingRegions(HRegionInfo region_a, HRegionInfo region_b, boolean 
forcible, long nonceGroup,<a name="line.455"></a>
+<span class="sourceLineNo">456</span>      long nonce) throws IOException {<a 
name="line.456"></a>
+<span class="sourceLineNo">457</span>    return 0;<a name="line.457"></a>
+<span class="sourceLineNo">458</span>  }<a name="line.458"></a>
+<span class="sourceLineNo">459</span><a name="line.459"></a>
+<span class="sourceLineNo">460</span>  @Override<a name="line.460"></a>
+<span class="sourceLineNo">461</span>  public ProcedureEvent 
getInitializedEvent() {<a name="line.461"></a>
+<span class="sourceLineNo">462</span>    // TODO Auto-generated method stub<a 
name="line.462"></a>
+<span class="sourceLineNo">463</span>    return null;<a name="line.463"></a>
+<span class="sourceLineNo">464</span>  }<a name="line.464"></a>
+<span class="sourceLineNo">465</span>}<a name="line.465"></a>

[02/51] [partial] hbase-site git commit: Published site at 82d554e3783372cc6b05489452c815b57c06f6cd.

Reply via email to