blob: fb5cae753a7e54c0c1e1dcf18ec8368ac1b9c00c [file] [log] [blame]
<!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>package org.apache.hadoop.hbase.util;<a name="line.18"></a>
<span class="sourceLineNo">019</span><a name="line.19"></a>
<span class="sourceLineNo">020</span>import static org.junit.Assert.assertEquals;<a name="line.20"></a>
<span class="sourceLineNo">021</span>import static org.junit.Assert.assertFalse;<a name="line.21"></a>
<span class="sourceLineNo">022</span>import static org.junit.Assert.assertNotNull;<a name="line.22"></a>
<span class="sourceLineNo">023</span>import static org.junit.Assert.assertNull;<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>import static org.junit.Assert.fail;<a name="line.25"></a>
<span class="sourceLineNo">026</span><a name="line.26"></a>
<span class="sourceLineNo">027</span>import java.io.FileNotFoundException;<a name="line.27"></a>
<span class="sourceLineNo">028</span>import java.io.IOException;<a name="line.28"></a>
<span class="sourceLineNo">029</span>import java.util.Arrays;<a name="line.29"></a>
<span class="sourceLineNo">030</span>import java.util.Comparator;<a name="line.30"></a>
<span class="sourceLineNo">031</span>import java.util.Map;<a name="line.31"></a>
<span class="sourceLineNo">032</span>import org.apache.hadoop.conf.Configuration;<a name="line.32"></a>
<span class="sourceLineNo">033</span>import org.apache.hadoop.fs.FSDataInputStream;<a name="line.33"></a>
<span class="sourceLineNo">034</span>import org.apache.hadoop.fs.FSDataOutputStream;<a name="line.34"></a>
<span class="sourceLineNo">035</span>import org.apache.hadoop.fs.FileStatus;<a name="line.35"></a>
<span class="sourceLineNo">036</span>import org.apache.hadoop.fs.FileSystem;<a name="line.36"></a>
<span class="sourceLineNo">037</span>import org.apache.hadoop.fs.Path;<a name="line.37"></a>
<span class="sourceLineNo">038</span>import org.apache.hadoop.hbase.HBaseClassTestRule;<a name="line.38"></a>
<span class="sourceLineNo">039</span>import org.apache.hadoop.hbase.HBaseTestingUtility;<a name="line.39"></a>
<span class="sourceLineNo">040</span>import org.apache.hadoop.hbase.HConstants;<a name="line.40"></a>
<span class="sourceLineNo">041</span>import org.apache.hadoop.hbase.TableDescriptors;<a name="line.41"></a>
<span class="sourceLineNo">042</span>import org.apache.hadoop.hbase.TableExistsException;<a name="line.42"></a>
<span class="sourceLineNo">043</span>import org.apache.hadoop.hbase.TableName;<a name="line.43"></a>
<span class="sourceLineNo">044</span>import org.apache.hadoop.hbase.client.ColumnFamilyDescriptorBuilder;<a name="line.44"></a>
<span class="sourceLineNo">045</span>import org.apache.hadoop.hbase.client.TableDescriptor;<a name="line.45"></a>
<span class="sourceLineNo">046</span>import org.apache.hadoop.hbase.client.TableDescriptorBuilder;<a name="line.46"></a>
<span class="sourceLineNo">047</span>import org.apache.hadoop.hbase.exceptions.DeserializationException;<a name="line.47"></a>
<span class="sourceLineNo">048</span>import org.apache.hadoop.hbase.testclassification.MediumTests;<a name="line.48"></a>
<span class="sourceLineNo">049</span>import org.apache.hadoop.hbase.testclassification.MiscTests;<a name="line.49"></a>
<span class="sourceLineNo">050</span>import org.junit.ClassRule;<a name="line.50"></a>
<span class="sourceLineNo">051</span>import org.junit.Rule;<a name="line.51"></a>
<span class="sourceLineNo">052</span>import org.junit.Test;<a name="line.52"></a>
<span class="sourceLineNo">053</span>import org.junit.experimental.categories.Category;<a name="line.53"></a>
<span class="sourceLineNo">054</span>import org.junit.rules.TestName;<a name="line.54"></a>
<span class="sourceLineNo">055</span>import org.slf4j.Logger;<a name="line.55"></a>
<span class="sourceLineNo">056</span>import org.slf4j.LoggerFactory;<a name="line.56"></a>
<span class="sourceLineNo">057</span><a name="line.57"></a>
<span class="sourceLineNo">058</span>/**<a name="line.58"></a>
<span class="sourceLineNo">059</span> * Tests for {@link FSTableDescriptors}.<a name="line.59"></a>
<span class="sourceLineNo">060</span> */<a name="line.60"></a>
<span class="sourceLineNo">061</span>// Do not support to be executed in he same JVM as other tests<a name="line.61"></a>
<span class="sourceLineNo">062</span>@Category({MiscTests.class, MediumTests.class})<a name="line.62"></a>
<span class="sourceLineNo">063</span>public class TestFSTableDescriptors {<a name="line.63"></a>
<span class="sourceLineNo">064</span><a name="line.64"></a>
<span class="sourceLineNo">065</span> @ClassRule<a name="line.65"></a>
<span class="sourceLineNo">066</span> public static final HBaseClassTestRule CLASS_RULE =<a name="line.66"></a>
<span class="sourceLineNo">067</span> HBaseClassTestRule.forClass(TestFSTableDescriptors.class);<a name="line.67"></a>
<span class="sourceLineNo">068</span><a name="line.68"></a>
<span class="sourceLineNo">069</span> private static final HBaseTestingUtility UTIL = new HBaseTestingUtility();<a name="line.69"></a>
<span class="sourceLineNo">070</span> private static final Logger LOG = LoggerFactory.getLogger(TestFSTableDescriptors.class);<a name="line.70"></a>
<span class="sourceLineNo">071</span><a name="line.71"></a>
<span class="sourceLineNo">072</span> @Rule<a name="line.72"></a>
<span class="sourceLineNo">073</span> public TestName name = new TestName();<a name="line.73"></a>
<span class="sourceLineNo">074</span><a name="line.74"></a>
<span class="sourceLineNo">075</span> @Test (expected=IllegalArgumentException.class)<a name="line.75"></a>
<span class="sourceLineNo">076</span> public void testRegexAgainstOldStyleTableInfo() {<a name="line.76"></a>
<span class="sourceLineNo">077</span> Path p = new Path("/tmp", FSTableDescriptors.TABLEINFO_FILE_PREFIX);<a name="line.77"></a>
<span class="sourceLineNo">078</span> int i = FSTableDescriptors.getTableInfoSequenceId(p);<a name="line.78"></a>
<span class="sourceLineNo">079</span> assertEquals(0, i);<a name="line.79"></a>
<span class="sourceLineNo">080</span> // Assert it won't eat garbage -- that it fails<a name="line.80"></a>
<span class="sourceLineNo">081</span> p = new Path("/tmp", "abc");<a name="line.81"></a>
<span class="sourceLineNo">082</span> FSTableDescriptors.getTableInfoSequenceId(p);<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> @Test<a name="line.85"></a>
<span class="sourceLineNo">086</span> public void testCreateAndUpdate() throws IOException {<a name="line.86"></a>
<span class="sourceLineNo">087</span> Path testdir = UTIL.getDataTestDir(name.getMethodName());<a name="line.87"></a>
<span class="sourceLineNo">088</span> TableDescriptor htd = TableDescriptorBuilder.newBuilder(TableName.valueOf(name.getMethodName())).build();<a name="line.88"></a>
<span class="sourceLineNo">089</span> FileSystem fs = FileSystem.get(UTIL.getConfiguration());<a name="line.89"></a>
<span class="sourceLineNo">090</span> FSTableDescriptors fstd = new FSTableDescriptors(UTIL.getConfiguration(), fs, testdir);<a name="line.90"></a>
<span class="sourceLineNo">091</span> assertTrue(fstd.createTableDescriptor(htd));<a name="line.91"></a>
<span class="sourceLineNo">092</span> assertFalse(fstd.createTableDescriptor(htd));<a name="line.92"></a>
<span class="sourceLineNo">093</span> FileStatus [] statuses = fs.listStatus(testdir);<a name="line.93"></a>
<span class="sourceLineNo">094</span> assertTrue("statuses.length="+statuses.length, statuses.length == 1);<a name="line.94"></a>
<span class="sourceLineNo">095</span> for (int i = 0; i &lt; 10; i++) {<a name="line.95"></a>
<span class="sourceLineNo">096</span> fstd.updateTableDescriptor(htd);<a name="line.96"></a>
<span class="sourceLineNo">097</span> }<a name="line.97"></a>
<span class="sourceLineNo">098</span> statuses = fs.listStatus(testdir);<a name="line.98"></a>
<span class="sourceLineNo">099</span> assertTrue(statuses.length == 1);<a name="line.99"></a>
<span class="sourceLineNo">100</span> Path tmpTableDir = new Path(FSUtils.getTableDir(testdir, htd.getTableName()), ".tmp");<a name="line.100"></a>
<span class="sourceLineNo">101</span> statuses = fs.listStatus(tmpTableDir);<a name="line.101"></a>
<span class="sourceLineNo">102</span> assertTrue(statuses.length == 0);<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> @Test<a name="line.105"></a>
<span class="sourceLineNo">106</span> public void testSequenceIdAdvancesOnTableInfo() throws IOException {<a name="line.106"></a>
<span class="sourceLineNo">107</span> Path testdir = UTIL.getDataTestDir(name.getMethodName());<a name="line.107"></a>
<span class="sourceLineNo">108</span> TableDescriptor htd = TableDescriptorBuilder.newBuilder(TableName.valueOf(name.getMethodName())).build();<a name="line.108"></a>
<span class="sourceLineNo">109</span> FileSystem fs = FileSystem.get(UTIL.getConfiguration());<a name="line.109"></a>
<span class="sourceLineNo">110</span> FSTableDescriptors fstd = new FSTableDescriptors(UTIL.getConfiguration(), fs, testdir);<a name="line.110"></a>
<span class="sourceLineNo">111</span> Path p0 = fstd.updateTableDescriptor(htd);<a name="line.111"></a>
<span class="sourceLineNo">112</span> int i0 = FSTableDescriptors.getTableInfoSequenceId(p0);<a name="line.112"></a>
<span class="sourceLineNo">113</span> Path p1 = fstd.updateTableDescriptor(htd);<a name="line.113"></a>
<span class="sourceLineNo">114</span> // Assert we cleaned up the old file.<a name="line.114"></a>
<span class="sourceLineNo">115</span> assertTrue(!fs.exists(p0));<a name="line.115"></a>
<span class="sourceLineNo">116</span> int i1 = FSTableDescriptors.getTableInfoSequenceId(p1);<a name="line.116"></a>
<span class="sourceLineNo">117</span> assertTrue(i1 == i0 + 1);<a name="line.117"></a>
<span class="sourceLineNo">118</span> Path p2 = fstd.updateTableDescriptor(htd);<a name="line.118"></a>
<span class="sourceLineNo">119</span> // Assert we cleaned up the old file.<a name="line.119"></a>
<span class="sourceLineNo">120</span> assertTrue(!fs.exists(p1));<a name="line.120"></a>
<span class="sourceLineNo">121</span> int i2 = FSTableDescriptors.getTableInfoSequenceId(p2);<a name="line.121"></a>
<span class="sourceLineNo">122</span> assertTrue(i2 == i1 + 1);<a name="line.122"></a>
<span class="sourceLineNo">123</span> Path p3 = fstd.updateTableDescriptor(htd);<a name="line.123"></a>
<span class="sourceLineNo">124</span> // Assert we cleaned up the old file.<a name="line.124"></a>
<span class="sourceLineNo">125</span> assertTrue(!fs.exists(p2));<a name="line.125"></a>
<span class="sourceLineNo">126</span> int i3 = FSTableDescriptors.getTableInfoSequenceId(p3);<a name="line.126"></a>
<span class="sourceLineNo">127</span> assertTrue(i3 == i2 + 1);<a name="line.127"></a>
<span class="sourceLineNo">128</span> TableDescriptor descriptor = fstd.get(htd.getTableName());<a name="line.128"></a>
<span class="sourceLineNo">129</span> assertEquals(descriptor, htd);<a name="line.129"></a>
<span class="sourceLineNo">130</span> }<a name="line.130"></a>
<span class="sourceLineNo">131</span><a name="line.131"></a>
<span class="sourceLineNo">132</span> @Test<a name="line.132"></a>
<span class="sourceLineNo">133</span> public void testFormatTableInfoSequenceId() {<a name="line.133"></a>
<span class="sourceLineNo">134</span> Path p0 = assertWriteAndReadSequenceId(0);<a name="line.134"></a>
<span class="sourceLineNo">135</span> // Assert p0 has format we expect.<a name="line.135"></a>
<span class="sourceLineNo">136</span> StringBuilder sb = new StringBuilder();<a name="line.136"></a>
<span class="sourceLineNo">137</span> for (int i = 0; i &lt; FSTableDescriptors.WIDTH_OF_SEQUENCE_ID; i++) {<a name="line.137"></a>
<span class="sourceLineNo">138</span> sb.append("0");<a name="line.138"></a>
<span class="sourceLineNo">139</span> }<a name="line.139"></a>
<span class="sourceLineNo">140</span> assertEquals(FSTableDescriptors.TABLEINFO_FILE_PREFIX + "." + sb.toString(),<a name="line.140"></a>
<span class="sourceLineNo">141</span> p0.getName());<a name="line.141"></a>
<span class="sourceLineNo">142</span> // Check a few more.<a name="line.142"></a>
<span class="sourceLineNo">143</span> Path p2 = assertWriteAndReadSequenceId(2);<a name="line.143"></a>
<span class="sourceLineNo">144</span> Path p10000 = assertWriteAndReadSequenceId(10000);<a name="line.144"></a>
<span class="sourceLineNo">145</span> // Get a .tablinfo that has no sequenceid suffix.<a name="line.145"></a>
<span class="sourceLineNo">146</span> Path p = new Path(p0.getParent(), FSTableDescriptors.TABLEINFO_FILE_PREFIX);<a name="line.146"></a>
<span class="sourceLineNo">147</span> FileStatus fs = new FileStatus(0, false, 0, 0, 0, p);<a name="line.147"></a>
<span class="sourceLineNo">148</span> FileStatus fs0 = new FileStatus(0, false, 0, 0, 0, p0);<a name="line.148"></a>
<span class="sourceLineNo">149</span> FileStatus fs2 = new FileStatus(0, false, 0, 0, 0, p2);<a name="line.149"></a>
<span class="sourceLineNo">150</span> FileStatus fs10000 = new FileStatus(0, false, 0, 0, 0, p10000);<a name="line.150"></a>
<span class="sourceLineNo">151</span> Comparator&lt;FileStatus&gt; comparator = FSTableDescriptors.TABLEINFO_FILESTATUS_COMPARATOR;<a name="line.151"></a>
<span class="sourceLineNo">152</span> assertTrue(comparator.compare(fs, fs0) &gt; 0);<a name="line.152"></a>
<span class="sourceLineNo">153</span> assertTrue(comparator.compare(fs0, fs2) &gt; 0);<a name="line.153"></a>
<span class="sourceLineNo">154</span> assertTrue(comparator.compare(fs2, fs10000) &gt; 0);<a name="line.154"></a>
<span class="sourceLineNo">155</span> }<a name="line.155"></a>
<span class="sourceLineNo">156</span><a name="line.156"></a>
<span class="sourceLineNo">157</span> private Path assertWriteAndReadSequenceId(final int i) {<a name="line.157"></a>
<span class="sourceLineNo">158</span> Path p = new Path("/tmp", FSTableDescriptors.getTableInfoFileName(i));<a name="line.158"></a>
<span class="sourceLineNo">159</span> int ii = FSTableDescriptors.getTableInfoSequenceId(p);<a name="line.159"></a>
<span class="sourceLineNo">160</span> assertEquals(i, ii);<a name="line.160"></a>
<span class="sourceLineNo">161</span> return p;<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> @Test<a name="line.164"></a>
<span class="sourceLineNo">165</span> public void testRemoves() throws IOException {<a name="line.165"></a>
<span class="sourceLineNo">166</span> final String name = this.name.getMethodName();<a name="line.166"></a>
<span class="sourceLineNo">167</span> FileSystem fs = FileSystem.get(UTIL.getConfiguration());<a name="line.167"></a>
<span class="sourceLineNo">168</span> // Cleanup old tests if any detrius laying around.<a name="line.168"></a>
<span class="sourceLineNo">169</span> Path rootdir = new Path(UTIL.getDataTestDir(), name);<a name="line.169"></a>
<span class="sourceLineNo">170</span> TableDescriptors htds = new FSTableDescriptors(UTIL.getConfiguration(), fs, rootdir);<a name="line.170"></a>
<span class="sourceLineNo">171</span> TableDescriptor htd = TableDescriptorBuilder.newBuilder(TableName.valueOf(name)).build();<a name="line.171"></a>
<span class="sourceLineNo">172</span> htds.add(htd);<a name="line.172"></a>
<span class="sourceLineNo">173</span> assertNotNull(htds.remove(htd.getTableName()));<a name="line.173"></a>
<span class="sourceLineNo">174</span> assertNull(htds.remove(htd.getTableName()));<a name="line.174"></a>
<span class="sourceLineNo">175</span> }<a name="line.175"></a>
<span class="sourceLineNo">176</span><a name="line.176"></a>
<span class="sourceLineNo">177</span> @Test public void testReadingHTDFromFS() throws IOException {<a name="line.177"></a>
<span class="sourceLineNo">178</span> final String name = this.name.getMethodName();<a name="line.178"></a>
<span class="sourceLineNo">179</span> FileSystem fs = FileSystem.get(UTIL.getConfiguration());<a name="line.179"></a>
<span class="sourceLineNo">180</span> TableDescriptor htd = TableDescriptorBuilder.newBuilder(TableName.valueOf(name)).build();<a name="line.180"></a>
<span class="sourceLineNo">181</span> Path rootdir = UTIL.getDataTestDir(name);<a name="line.181"></a>
<span class="sourceLineNo">182</span> FSTableDescriptors fstd = new FSTableDescriptors(UTIL.getConfiguration(), fs, rootdir);<a name="line.182"></a>
<span class="sourceLineNo">183</span> fstd.createTableDescriptor(htd);<a name="line.183"></a>
<span class="sourceLineNo">184</span> TableDescriptor td2 =<a name="line.184"></a>
<span class="sourceLineNo">185</span> FSTableDescriptors.getTableDescriptorFromFs(fs, rootdir, htd.getTableName());<a name="line.185"></a>
<span class="sourceLineNo">186</span> assertTrue(htd.equals(td2));<a name="line.186"></a>
<span class="sourceLineNo">187</span> }<a name="line.187"></a>
<span class="sourceLineNo">188</span><a name="line.188"></a>
<span class="sourceLineNo">189</span> @Test public void testReadingOldHTDFromFS() throws IOException, DeserializationException {<a name="line.189"></a>
<span class="sourceLineNo">190</span> final String name = this.name.getMethodName();<a name="line.190"></a>
<span class="sourceLineNo">191</span> FileSystem fs = FileSystem.get(UTIL.getConfiguration());<a name="line.191"></a>
<span class="sourceLineNo">192</span> Path rootdir = UTIL.getDataTestDir(name);<a name="line.192"></a>
<span class="sourceLineNo">193</span> FSTableDescriptors fstd = new FSTableDescriptors(UTIL.getConfiguration(), fs, rootdir);<a name="line.193"></a>
<span class="sourceLineNo">194</span> TableDescriptor htd = TableDescriptorBuilder.newBuilder(TableName.valueOf(name)).build();<a name="line.194"></a>
<span class="sourceLineNo">195</span> Path descriptorFile = fstd.updateTableDescriptor(htd);<a name="line.195"></a>
<span class="sourceLineNo">196</span> try (FSDataOutputStream out = fs.create(descriptorFile, true)) {<a name="line.196"></a>
<span class="sourceLineNo">197</span> out.write(TableDescriptorBuilder.toByteArray(htd));<a name="line.197"></a>
<span class="sourceLineNo">198</span> }<a name="line.198"></a>
<span class="sourceLineNo">199</span> FSTableDescriptors fstd2 = new FSTableDescriptors(UTIL.getConfiguration(), fs, rootdir);<a name="line.199"></a>
<span class="sourceLineNo">200</span> TableDescriptor td2 = fstd2.get(htd.getTableName());<a name="line.200"></a>
<span class="sourceLineNo">201</span> assertEquals(htd, td2);<a name="line.201"></a>
<span class="sourceLineNo">202</span> FileStatus descriptorFile2 =<a name="line.202"></a>
<span class="sourceLineNo">203</span> FSTableDescriptors.getTableInfoPath(fs, fstd2.getTableDir(htd.getTableName()));<a name="line.203"></a>
<span class="sourceLineNo">204</span> byte[] buffer = TableDescriptorBuilder.toByteArray(htd);<a name="line.204"></a>
<span class="sourceLineNo">205</span> try (FSDataInputStream in = fs.open(descriptorFile2.getPath())) {<a name="line.205"></a>
<span class="sourceLineNo">206</span> in.readFully(buffer);<a name="line.206"></a>
<span class="sourceLineNo">207</span> }<a name="line.207"></a>
<span class="sourceLineNo">208</span> TableDescriptor td3 = TableDescriptorBuilder.parseFrom(buffer);<a name="line.208"></a>
<span class="sourceLineNo">209</span> assertEquals(htd, td3);<a name="line.209"></a>
<span class="sourceLineNo">210</span> }<a name="line.210"></a>
<span class="sourceLineNo">211</span><a name="line.211"></a>
<span class="sourceLineNo">212</span> @Test public void testTableDescriptors()<a name="line.212"></a>
<span class="sourceLineNo">213</span> throws IOException, InterruptedException {<a name="line.213"></a>
<span class="sourceLineNo">214</span> final String name = this.name.getMethodName();<a name="line.214"></a>
<span class="sourceLineNo">215</span> FileSystem fs = FileSystem.get(UTIL.getConfiguration());<a name="line.215"></a>
<span class="sourceLineNo">216</span> // Cleanup old tests if any debris laying around.<a name="line.216"></a>
<span class="sourceLineNo">217</span> Path rootdir = new Path(UTIL.getDataTestDir(), name);<a name="line.217"></a>
<span class="sourceLineNo">218</span> FSTableDescriptors htds = new FSTableDescriptors(UTIL.getConfiguration(), fs, rootdir) {<a name="line.218"></a>
<span class="sourceLineNo">219</span> @Override<a name="line.219"></a>
<span class="sourceLineNo">220</span> public TableDescriptor get(TableName tablename)<a name="line.220"></a>
<span class="sourceLineNo">221</span> throws TableExistsException, FileNotFoundException, IOException {<a name="line.221"></a>
<span class="sourceLineNo">222</span> LOG.info(tablename + ", cachehits=" + this.cachehits);<a name="line.222"></a>
<span class="sourceLineNo">223</span> return super.get(tablename);<a name="line.223"></a>
<span class="sourceLineNo">224</span> }<a name="line.224"></a>
<span class="sourceLineNo">225</span> };<a name="line.225"></a>
<span class="sourceLineNo">226</span> final int count = 10;<a name="line.226"></a>
<span class="sourceLineNo">227</span> // Write out table infos.<a name="line.227"></a>
<span class="sourceLineNo">228</span> for (int i = 0; i &lt; count; i++) {<a name="line.228"></a>
<span class="sourceLineNo">229</span> htds.createTableDescriptor(TableDescriptorBuilder.newBuilder(TableName.valueOf(name + i)).build());<a name="line.229"></a>
<span class="sourceLineNo">230</span> }<a name="line.230"></a>
<span class="sourceLineNo">231</span><a name="line.231"></a>
<span class="sourceLineNo">232</span> for (int i = 0; i &lt; count; i++) {<a name="line.232"></a>
<span class="sourceLineNo">233</span> assertTrue(htds.get(TableName.valueOf(name + i)) != null);<a name="line.233"></a>
<span class="sourceLineNo">234</span> }<a name="line.234"></a>
<span class="sourceLineNo">235</span> for (int i = 0; i &lt; count; i++) {<a name="line.235"></a>
<span class="sourceLineNo">236</span> assertTrue(htds.get(TableName.valueOf(name + i)) != null);<a name="line.236"></a>
<span class="sourceLineNo">237</span> }<a name="line.237"></a>
<span class="sourceLineNo">238</span> // Update the table infos<a name="line.238"></a>
<span class="sourceLineNo">239</span> for (int i = 0; i &lt; count; i++) {<a name="line.239"></a>
<span class="sourceLineNo">240</span> TableDescriptorBuilder builder = TableDescriptorBuilder.newBuilder(TableName.valueOf(name + i));<a name="line.240"></a>
<span class="sourceLineNo">241</span> builder.setColumnFamily(ColumnFamilyDescriptorBuilder.of("" + i));<a name="line.241"></a>
<span class="sourceLineNo">242</span> htds.updateTableDescriptor(builder.build());<a name="line.242"></a>
<span class="sourceLineNo">243</span> }<a name="line.243"></a>
<span class="sourceLineNo">244</span> // Wait a while so mod time we write is for sure different.<a name="line.244"></a>
<span class="sourceLineNo">245</span> Thread.sleep(100);<a name="line.245"></a>
<span class="sourceLineNo">246</span> for (int i = 0; i &lt; count; i++) {<a name="line.246"></a>
<span class="sourceLineNo">247</span> assertTrue(htds.get(TableName.valueOf(name + i)) != null);<a name="line.247"></a>
<span class="sourceLineNo">248</span> }<a name="line.248"></a>
<span class="sourceLineNo">249</span> for (int i = 0; i &lt; count; i++) {<a name="line.249"></a>
<span class="sourceLineNo">250</span> assertTrue(htds.get(TableName.valueOf(name + i)) != null);<a name="line.250"></a>
<span class="sourceLineNo">251</span> }<a name="line.251"></a>
<span class="sourceLineNo">252</span> assertEquals(count * 4, htds.invocations);<a name="line.252"></a>
<span class="sourceLineNo">253</span> assertTrue("expected=" + (count * 2) + ", actual=" + htds.cachehits,<a name="line.253"></a>
<span class="sourceLineNo">254</span> htds.cachehits &gt;= (count * 2));<a name="line.254"></a>
<span class="sourceLineNo">255</span> }<a name="line.255"></a>
<span class="sourceLineNo">256</span><a name="line.256"></a>
<span class="sourceLineNo">257</span> @Test<a name="line.257"></a>
<span class="sourceLineNo">258</span> public void testTableDescriptorsNoCache()<a name="line.258"></a>
<span class="sourceLineNo">259</span> throws IOException, InterruptedException {<a name="line.259"></a>
<span class="sourceLineNo">260</span> final String name = this.name.getMethodName();<a name="line.260"></a>
<span class="sourceLineNo">261</span> FileSystem fs = FileSystem.get(UTIL.getConfiguration());<a name="line.261"></a>
<span class="sourceLineNo">262</span> // Cleanup old tests if any debris laying around.<a name="line.262"></a>
<span class="sourceLineNo">263</span> Path rootdir = new Path(UTIL.getDataTestDir(), name);<a name="line.263"></a>
<span class="sourceLineNo">264</span> FSTableDescriptors htds = new FSTableDescriptorsTest(UTIL.getConfiguration(), fs, rootdir,<a name="line.264"></a>
<span class="sourceLineNo">265</span> false, false);<a name="line.265"></a>
<span class="sourceLineNo">266</span> final int count = 10;<a name="line.266"></a>
<span class="sourceLineNo">267</span> // Write out table infos.<a name="line.267"></a>
<span class="sourceLineNo">268</span> for (int i = 0; i &lt; count; i++) {<a name="line.268"></a>
<span class="sourceLineNo">269</span> htds.createTableDescriptor(TableDescriptorBuilder.newBuilder(TableName.valueOf(name + i)).build());<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> for (int i = 0; i &lt; 2 * count; i++) {<a name="line.272"></a>
<span class="sourceLineNo">273</span> assertNotNull("Expected HTD, got null instead", htds.get(TableName.valueOf(name + i % 2)));<a name="line.273"></a>
<span class="sourceLineNo">274</span> }<a name="line.274"></a>
<span class="sourceLineNo">275</span> // Update the table infos<a name="line.275"></a>
<span class="sourceLineNo">276</span> for (int i = 0; i &lt; count; i++) {<a name="line.276"></a>
<span class="sourceLineNo">277</span> TableDescriptorBuilder builder = TableDescriptorBuilder.newBuilder(TableName.valueOf(name + i));<a name="line.277"></a>
<span class="sourceLineNo">278</span> builder.setColumnFamily(ColumnFamilyDescriptorBuilder.of("" + i));<a name="line.278"></a>
<span class="sourceLineNo">279</span> htds.updateTableDescriptor(builder.build());<a name="line.279"></a>
<span class="sourceLineNo">280</span> }<a name="line.280"></a>
<span class="sourceLineNo">281</span> for (int i = 0; i &lt; count; i++) {<a name="line.281"></a>
<span class="sourceLineNo">282</span> assertNotNull("Expected HTD, got null instead", htds.get(TableName.valueOf(name + i)));<a name="line.282"></a>
<span class="sourceLineNo">283</span> assertTrue("Column Family " + i + " missing",<a name="line.283"></a>
<span class="sourceLineNo">284</span> htds.get(TableName.valueOf(name + i)).hasColumnFamily(Bytes.toBytes("" + i)));<a name="line.284"></a>
<span class="sourceLineNo">285</span> }<a name="line.285"></a>
<span class="sourceLineNo">286</span> assertEquals(count * 4, htds.invocations);<a name="line.286"></a>
<span class="sourceLineNo">287</span> assertEquals("expected=0, actual=" + htds.cachehits, 0, htds.cachehits);<a name="line.287"></a>
<span class="sourceLineNo">288</span> }<a name="line.288"></a>
<span class="sourceLineNo">289</span><a name="line.289"></a>
<span class="sourceLineNo">290</span> @Test<a name="line.290"></a>
<span class="sourceLineNo">291</span> public void testGetAll()<a name="line.291"></a>
<span class="sourceLineNo">292</span> throws IOException, InterruptedException {<a name="line.292"></a>
<span class="sourceLineNo">293</span> final String name = "testGetAll";<a name="line.293"></a>
<span class="sourceLineNo">294</span> FileSystem fs = FileSystem.get(UTIL.getConfiguration());<a name="line.294"></a>
<span class="sourceLineNo">295</span> // Cleanup old tests if any debris laying around.<a name="line.295"></a>
<span class="sourceLineNo">296</span> Path rootdir = new Path(UTIL.getDataTestDir(), name);<a name="line.296"></a>
<span class="sourceLineNo">297</span> FSTableDescriptors htds = new FSTableDescriptorsTest(UTIL.getConfiguration(), fs, rootdir);<a name="line.297"></a>
<span class="sourceLineNo">298</span> final int count = 4;<a name="line.298"></a>
<span class="sourceLineNo">299</span> // Write out table infos.<a name="line.299"></a>
<span class="sourceLineNo">300</span> for (int i = 0; i &lt; count; i++) {<a name="line.300"></a>
<span class="sourceLineNo">301</span> htds.createTableDescriptor(TableDescriptorBuilder.newBuilder(TableName.valueOf(name + i)).build());<a name="line.301"></a>
<span class="sourceLineNo">302</span> }<a name="line.302"></a>
<span class="sourceLineNo">303</span> // add hbase:meta<a name="line.303"></a>
<span class="sourceLineNo">304</span> htds.createTableDescriptor(TableDescriptorBuilder.newBuilder(TableName.META_TABLE_NAME).build());<a name="line.304"></a>
<span class="sourceLineNo">305</span><a name="line.305"></a>
<span class="sourceLineNo">306</span> assertEquals("getAll() didn't return all TableDescriptors, expected: " +<a name="line.306"></a>
<span class="sourceLineNo">307</span> (count + 1) + " got: " + htds.getAll().size(),<a name="line.307"></a>
<span class="sourceLineNo">308</span> count + 1, htds.getAll().size());<a name="line.308"></a>
<span class="sourceLineNo">309</span><a name="line.309"></a>
<span class="sourceLineNo">310</span> }<a name="line.310"></a>
<span class="sourceLineNo">311</span><a name="line.311"></a>
<span class="sourceLineNo">312</span> @Test<a name="line.312"></a>
<span class="sourceLineNo">313</span> public void testCacheConsistency()<a name="line.313"></a>
<span class="sourceLineNo">314</span> throws IOException, InterruptedException {<a name="line.314"></a>
<span class="sourceLineNo">315</span> final String name = this.name.getMethodName();<a name="line.315"></a>
<span class="sourceLineNo">316</span> FileSystem fs = FileSystem.get(UTIL.getConfiguration());<a name="line.316"></a>
<span class="sourceLineNo">317</span> // Cleanup old tests if any debris laying around.<a name="line.317"></a>
<span class="sourceLineNo">318</span> Path rootdir = new Path(UTIL.getDataTestDir(), name);<a name="line.318"></a>
<span class="sourceLineNo">319</span> FSTableDescriptors chtds = new FSTableDescriptorsTest(UTIL.getConfiguration(), fs, rootdir);<a name="line.319"></a>
<span class="sourceLineNo">320</span> FSTableDescriptors nonchtds = new FSTableDescriptorsTest(UTIL.getConfiguration(), fs,<a name="line.320"></a>
<span class="sourceLineNo">321</span> rootdir, false, false);<a name="line.321"></a>
<span class="sourceLineNo">322</span><a name="line.322"></a>
<span class="sourceLineNo">323</span> final int count = 10;<a name="line.323"></a>
<span class="sourceLineNo">324</span> // Write out table infos via non-cached FSTableDescriptors<a name="line.324"></a>
<span class="sourceLineNo">325</span> for (int i = 0; i &lt; count; i++) {<a name="line.325"></a>
<span class="sourceLineNo">326</span> nonchtds.createTableDescriptor(TableDescriptorBuilder.newBuilder(TableName.valueOf(name + i)).build());<a name="line.326"></a>
<span class="sourceLineNo">327</span> }<a name="line.327"></a>
<span class="sourceLineNo">328</span><a name="line.328"></a>
<span class="sourceLineNo">329</span> // Calls to getAll() won't increase the cache counter, do per table.<a name="line.329"></a>
<span class="sourceLineNo">330</span> for (int i = 0; i &lt; count; i++) {<a name="line.330"></a>
<span class="sourceLineNo">331</span> assertTrue(chtds.get(TableName.valueOf(name + i)) != null);<a name="line.331"></a>
<span class="sourceLineNo">332</span> }<a name="line.332"></a>
<span class="sourceLineNo">333</span><a name="line.333"></a>
<span class="sourceLineNo">334</span> assertTrue(nonchtds.getAll().size() == chtds.getAll().size());<a name="line.334"></a>
<span class="sourceLineNo">335</span><a name="line.335"></a>
<span class="sourceLineNo">336</span> // add a new entry for hbase:meta<a name="line.336"></a>
<span class="sourceLineNo">337</span> TableDescriptor htd = TableDescriptorBuilder.newBuilder(TableName.META_TABLE_NAME).build();<a name="line.337"></a>
<span class="sourceLineNo">338</span> nonchtds.createTableDescriptor(htd);<a name="line.338"></a>
<span class="sourceLineNo">339</span><a name="line.339"></a>
<span class="sourceLineNo">340</span> // hbase:meta will only increase the cachehit by 1<a name="line.340"></a>
<span class="sourceLineNo">341</span> assertTrue(nonchtds.getAll().size() == chtds.getAll().size());<a name="line.341"></a>
<span class="sourceLineNo">342</span><a name="line.342"></a>
<span class="sourceLineNo">343</span> for (Map.Entry&lt;String, TableDescriptor&gt; entry: nonchtds.getAll().entrySet()) {<a name="line.343"></a>
<span class="sourceLineNo">344</span> String t = (String) entry.getKey();<a name="line.344"></a>
<span class="sourceLineNo">345</span> TableDescriptor nchtd = entry.getValue();<a name="line.345"></a>
<span class="sourceLineNo">346</span> assertTrue("expected " + htd.toString() +<a name="line.346"></a>
<span class="sourceLineNo">347</span> " got: " + chtds.get(TableName.valueOf(t)).toString(),<a name="line.347"></a>
<span class="sourceLineNo">348</span> (nchtd.equals(chtds.get(TableName.valueOf(t)))));<a name="line.348"></a>
<span class="sourceLineNo">349</span> }<a name="line.349"></a>
<span class="sourceLineNo">350</span> }<a name="line.350"></a>
<span class="sourceLineNo">351</span><a name="line.351"></a>
<span class="sourceLineNo">352</span> @Test<a name="line.352"></a>
<span class="sourceLineNo">353</span> public void testNoSuchTable() throws IOException {<a name="line.353"></a>
<span class="sourceLineNo">354</span> final String name = "testNoSuchTable";<a name="line.354"></a>
<span class="sourceLineNo">355</span> FileSystem fs = FileSystem.get(UTIL.getConfiguration());<a name="line.355"></a>
<span class="sourceLineNo">356</span> // Cleanup old tests if any detrius laying around.<a name="line.356"></a>
<span class="sourceLineNo">357</span> Path rootdir = new Path(UTIL.getDataTestDir(), name);<a name="line.357"></a>
<span class="sourceLineNo">358</span> TableDescriptors htds = new FSTableDescriptors(UTIL.getConfiguration(), fs, rootdir);<a name="line.358"></a>
<span class="sourceLineNo">359</span> assertNull("There shouldn't be any HTD for this table",<a name="line.359"></a>
<span class="sourceLineNo">360</span> htds.get(TableName.valueOf("NoSuchTable")));<a name="line.360"></a>
<span class="sourceLineNo">361</span> }<a name="line.361"></a>
<span class="sourceLineNo">362</span><a name="line.362"></a>
<span class="sourceLineNo">363</span> @Test<a name="line.363"></a>
<span class="sourceLineNo">364</span> public void testUpdates() throws IOException {<a name="line.364"></a>
<span class="sourceLineNo">365</span> final String name = "testUpdates";<a name="line.365"></a>
<span class="sourceLineNo">366</span> FileSystem fs = FileSystem.get(UTIL.getConfiguration());<a name="line.366"></a>
<span class="sourceLineNo">367</span> // Cleanup old tests if any detrius laying around.<a name="line.367"></a>
<span class="sourceLineNo">368</span> Path rootdir = new Path(UTIL.getDataTestDir(), name);<a name="line.368"></a>
<span class="sourceLineNo">369</span> TableDescriptors htds = new FSTableDescriptors(UTIL.getConfiguration(), fs, rootdir);<a name="line.369"></a>
<span class="sourceLineNo">370</span> TableDescriptor htd = TableDescriptorBuilder.newBuilder(TableName.valueOf(name)).build();<a name="line.370"></a>
<span class="sourceLineNo">371</span> htds.add(htd);<a name="line.371"></a>
<span class="sourceLineNo">372</span> htds.add(htd);<a name="line.372"></a>
<span class="sourceLineNo">373</span> htds.add(htd);<a name="line.373"></a>
<span class="sourceLineNo">374</span> }<a name="line.374"></a>
<span class="sourceLineNo">375</span><a name="line.375"></a>
<span class="sourceLineNo">376</span> @Test<a name="line.376"></a>
<span class="sourceLineNo">377</span> public void testTableInfoFileStatusComparator() {<a name="line.377"></a>
<span class="sourceLineNo">378</span> FileStatus bare =<a name="line.378"></a>
<span class="sourceLineNo">379</span> new FileStatus(0, false, 0, 0, -1,<a name="line.379"></a>
<span class="sourceLineNo">380</span> new Path("/tmp", FSTableDescriptors.TABLEINFO_FILE_PREFIX));<a name="line.380"></a>
<span class="sourceLineNo">381</span> FileStatus future =<a name="line.381"></a>
<span class="sourceLineNo">382</span> new FileStatus(0, false, 0, 0, -1,<a name="line.382"></a>
<span class="sourceLineNo">383</span> new Path("/tmp/tablinfo." + System.currentTimeMillis()));<a name="line.383"></a>
<span class="sourceLineNo">384</span> FileStatus farFuture =<a name="line.384"></a>
<span class="sourceLineNo">385</span> new FileStatus(0, false, 0, 0, -1,<a name="line.385"></a>
<span class="sourceLineNo">386</span> new Path("/tmp/tablinfo." + System.currentTimeMillis() + 1000));<a name="line.386"></a>
<span class="sourceLineNo">387</span> FileStatus [] alist = {bare, future, farFuture};<a name="line.387"></a>
<span class="sourceLineNo">388</span> FileStatus [] blist = {bare, farFuture, future};<a name="line.388"></a>
<span class="sourceLineNo">389</span> FileStatus [] clist = {farFuture, bare, future};<a name="line.389"></a>
<span class="sourceLineNo">390</span> Comparator&lt;FileStatus&gt; c = FSTableDescriptors.TABLEINFO_FILESTATUS_COMPARATOR;<a name="line.390"></a>
<span class="sourceLineNo">391</span> Arrays.sort(alist, c);<a name="line.391"></a>
<span class="sourceLineNo">392</span> Arrays.sort(blist, c);<a name="line.392"></a>
<span class="sourceLineNo">393</span> Arrays.sort(clist, c);<a name="line.393"></a>
<span class="sourceLineNo">394</span> // Now assert all sorted same in way we want.<a name="line.394"></a>
<span class="sourceLineNo">395</span> for (int i = 0; i &lt; alist.length; i++) {<a name="line.395"></a>
<span class="sourceLineNo">396</span> assertTrue(alist[i].equals(blist[i]));<a name="line.396"></a>
<span class="sourceLineNo">397</span> assertTrue(blist[i].equals(clist[i]));<a name="line.397"></a>
<span class="sourceLineNo">398</span> assertTrue(clist[i].equals(i == 0? farFuture: i == 1? future: bare));<a name="line.398"></a>
<span class="sourceLineNo">399</span> }<a name="line.399"></a>
<span class="sourceLineNo">400</span> }<a name="line.400"></a>
<span class="sourceLineNo">401</span><a name="line.401"></a>
<span class="sourceLineNo">402</span> @Test<a name="line.402"></a>
<span class="sourceLineNo">403</span> public void testReadingInvalidDirectoryFromFS() throws IOException {<a name="line.403"></a>
<span class="sourceLineNo">404</span> FileSystem fs = FileSystem.get(UTIL.getConfiguration());<a name="line.404"></a>
<span class="sourceLineNo">405</span> try {<a name="line.405"></a>
<span class="sourceLineNo">406</span> new FSTableDescriptors(UTIL.getConfiguration(), fs,<a name="line.406"></a>
<span class="sourceLineNo">407</span> FSUtils.getRootDir(UTIL.getConfiguration()))<a name="line.407"></a>
<span class="sourceLineNo">408</span> .get(TableName.valueOf(HConstants.HBASE_TEMP_DIRECTORY));<a name="line.408"></a>
<span class="sourceLineNo">409</span> fail("Shouldn't be able to read a table descriptor for the archive directory.");<a name="line.409"></a>
<span class="sourceLineNo">410</span> } catch (Exception e) {<a name="line.410"></a>
<span class="sourceLineNo">411</span> LOG.debug("Correctly got error when reading a table descriptor from the archive directory: "<a name="line.411"></a>
<span class="sourceLineNo">412</span> + e.getMessage());<a name="line.412"></a>
<span class="sourceLineNo">413</span> }<a name="line.413"></a>
<span class="sourceLineNo">414</span> }<a name="line.414"></a>
<span class="sourceLineNo">415</span><a name="line.415"></a>
<span class="sourceLineNo">416</span> @Test<a name="line.416"></a>
<span class="sourceLineNo">417</span> public void testCreateTableDescriptorUpdatesIfExistsAlready() throws IOException {<a name="line.417"></a>
<span class="sourceLineNo">418</span> Path testdir = UTIL.getDataTestDir(name.getMethodName());<a name="line.418"></a>
<span class="sourceLineNo">419</span> TableDescriptor htd = TableDescriptorBuilder.newBuilder(TableName.valueOf(name.getMethodName())).build();<a name="line.419"></a>
<span class="sourceLineNo">420</span> FileSystem fs = FileSystem.get(UTIL.getConfiguration());<a name="line.420"></a>
<span class="sourceLineNo">421</span> FSTableDescriptors fstd = new FSTableDescriptors(UTIL.getConfiguration(), fs, testdir);<a name="line.421"></a>
<span class="sourceLineNo">422</span> assertTrue(fstd.createTableDescriptor(htd));<a name="line.422"></a>
<span class="sourceLineNo">423</span> assertFalse(fstd.createTableDescriptor(htd));<a name="line.423"></a>
<span class="sourceLineNo">424</span> htd = TableDescriptorBuilder.newBuilder(htd)<a name="line.424"></a>
<span class="sourceLineNo">425</span> .setValue(Bytes.toBytes("mykey"), Bytes.toBytes("myValue"))<a name="line.425"></a>
<span class="sourceLineNo">426</span> .build();<a name="line.426"></a>
<span class="sourceLineNo">427</span> assertTrue(fstd.createTableDescriptor(htd)); //this will re-create<a name="line.427"></a>
<span class="sourceLineNo">428</span> Path tableDir = fstd.getTableDir(htd.getTableName());<a name="line.428"></a>
<span class="sourceLineNo">429</span> Path tmpTableDir = new Path(tableDir, FSTableDescriptors.TMP_DIR);<a name="line.429"></a>
<span class="sourceLineNo">430</span> FileStatus[] statuses = fs.listStatus(tmpTableDir);<a name="line.430"></a>
<span class="sourceLineNo">431</span> assertTrue(statuses.length == 0);<a name="line.431"></a>
<span class="sourceLineNo">432</span><a name="line.432"></a>
<span class="sourceLineNo">433</span> assertEquals(htd, FSTableDescriptors.getTableDescriptorFromFs(fs, tableDir));<a name="line.433"></a>
<span class="sourceLineNo">434</span> }<a name="line.434"></a>
<span class="sourceLineNo">435</span><a name="line.435"></a>
<span class="sourceLineNo">436</span> private static class FSTableDescriptorsTest extends FSTableDescriptors {<a name="line.436"></a>
<span class="sourceLineNo">437</span><a name="line.437"></a>
<span class="sourceLineNo">438</span> public FSTableDescriptorsTest(Configuration conf, FileSystem fs, Path rootdir)<a name="line.438"></a>
<span class="sourceLineNo">439</span> throws IOException {<a name="line.439"></a>
<span class="sourceLineNo">440</span> this(conf, fs, rootdir, false, true);<a name="line.440"></a>
<span class="sourceLineNo">441</span> }<a name="line.441"></a>
<span class="sourceLineNo">442</span><a name="line.442"></a>
<span class="sourceLineNo">443</span> public FSTableDescriptorsTest(Configuration conf, FileSystem fs, Path rootdir,<a name="line.443"></a>
<span class="sourceLineNo">444</span> boolean fsreadonly, boolean usecache) throws IOException {<a name="line.444"></a>
<span class="sourceLineNo">445</span> super(conf, fs, rootdir, fsreadonly, usecache);<a name="line.445"></a>
<span class="sourceLineNo">446</span> }<a name="line.446"></a>
<span class="sourceLineNo">447</span><a name="line.447"></a>
<span class="sourceLineNo">448</span> @Override<a name="line.448"></a>
<span class="sourceLineNo">449</span> public TableDescriptor get(TableName tablename)<a name="line.449"></a>
<span class="sourceLineNo">450</span> throws TableExistsException, FileNotFoundException, IOException {<a name="line.450"></a>
<span class="sourceLineNo">451</span> LOG.info((super.isUsecache() ? "Cached" : "Non-Cached") +<a name="line.451"></a>
<span class="sourceLineNo">452</span> " TableDescriptor.get() on " + tablename + ", cachehits=" + this.cachehits);<a name="line.452"></a>
<span class="sourceLineNo">453</span> return super.get(tablename);<a name="line.453"></a>
<span class="sourceLineNo">454</span> }<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">457</span><a name="line.457"></a>
</pre>
</div>
</body>
</html>