| <!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.assertArrayEquals;<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.assertNotSame;<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.util.ArrayList;<a name="line.26"></a> |
| <span class="sourceLineNo">027</span>import java.util.List;<a name="line.27"></a> |
| <span class="sourceLineNo">028</span>import org.apache.commons.lang3.ArrayUtils;<a name="line.28"></a> |
| <span class="sourceLineNo">029</span>import org.apache.hadoop.conf.Configuration;<a name="line.29"></a> |
| <span class="sourceLineNo">030</span>import org.apache.hadoop.hbase.HBaseClassTestRule;<a name="line.30"></a> |
| <span class="sourceLineNo">031</span>import org.apache.hadoop.hbase.HBaseTestingUtility;<a name="line.31"></a> |
| <span class="sourceLineNo">032</span>import org.apache.hadoop.hbase.HRegionLocation;<a name="line.32"></a> |
| <span class="sourceLineNo">033</span>import org.apache.hadoop.hbase.TableName;<a name="line.33"></a> |
| <span class="sourceLineNo">034</span>import org.apache.hadoop.hbase.client.RegionInfo;<a name="line.34"></a> |
| <span class="sourceLineNo">035</span>import org.apache.hadoop.hbase.client.RegionLocator;<a name="line.35"></a> |
| <span class="sourceLineNo">036</span>import org.apache.hadoop.hbase.client.Table;<a name="line.36"></a> |
| <span class="sourceLineNo">037</span>import org.apache.hadoop.hbase.testclassification.MediumTests;<a name="line.37"></a> |
| <span class="sourceLineNo">038</span>import org.apache.hadoop.hbase.testclassification.MiscTests;<a name="line.38"></a> |
| <span class="sourceLineNo">039</span>import org.apache.hadoop.hbase.util.RegionSplitter.DecimalStringSplit;<a name="line.39"></a> |
| <span class="sourceLineNo">040</span>import org.apache.hadoop.hbase.util.RegionSplitter.HexStringSplit;<a name="line.40"></a> |
| <span class="sourceLineNo">041</span>import org.apache.hadoop.hbase.util.RegionSplitter.SplitAlgorithm;<a name="line.41"></a> |
| <span class="sourceLineNo">042</span>import org.apache.hadoop.hbase.util.RegionSplitter.UniformSplit;<a name="line.42"></a> |
| <span class="sourceLineNo">043</span>import org.junit.AfterClass;<a name="line.43"></a> |
| <span class="sourceLineNo">044</span>import org.junit.BeforeClass;<a name="line.44"></a> |
| <span class="sourceLineNo">045</span>import org.junit.ClassRule;<a name="line.45"></a> |
| <span class="sourceLineNo">046</span>import org.junit.Rule;<a name="line.46"></a> |
| <span class="sourceLineNo">047</span>import org.junit.Test;<a name="line.47"></a> |
| <span class="sourceLineNo">048</span>import org.junit.experimental.categories.Category;<a name="line.48"></a> |
| <span class="sourceLineNo">049</span>import org.junit.rules.TestName;<a name="line.49"></a> |
| <span class="sourceLineNo">050</span>import org.slf4j.Logger;<a name="line.50"></a> |
| <span class="sourceLineNo">051</span>import org.slf4j.LoggerFactory;<a name="line.51"></a> |
| <span class="sourceLineNo">052</span><a name="line.52"></a> |
| <span class="sourceLineNo">053</span>/**<a name="line.53"></a> |
| <span class="sourceLineNo">054</span> * Tests for {@link RegionSplitter}, which can create a pre-split table or do a<a name="line.54"></a> |
| <span class="sourceLineNo">055</span> * rolling split of an existing table.<a name="line.55"></a> |
| <span class="sourceLineNo">056</span> */<a name="line.56"></a> |
| <span class="sourceLineNo">057</span>@Category({MiscTests.class, MediumTests.class})<a name="line.57"></a> |
| <span class="sourceLineNo">058</span>public class TestRegionSplitter {<a name="line.58"></a> |
| <span class="sourceLineNo">059</span><a name="line.59"></a> |
| <span class="sourceLineNo">060</span> @ClassRule<a name="line.60"></a> |
| <span class="sourceLineNo">061</span> public static final HBaseClassTestRule CLASS_RULE =<a name="line.61"></a> |
| <span class="sourceLineNo">062</span> HBaseClassTestRule.forClass(TestRegionSplitter.class);<a name="line.62"></a> |
| <span class="sourceLineNo">063</span><a name="line.63"></a> |
| <span class="sourceLineNo">064</span> private final static Logger LOG = LoggerFactory.getLogger(TestRegionSplitter.class);<a name="line.64"></a> |
| <span class="sourceLineNo">065</span> private final static HBaseTestingUtility UTIL = new HBaseTestingUtility();<a name="line.65"></a> |
| <span class="sourceLineNo">066</span> private final static String CF_NAME = "SPLIT_TEST_CF";<a name="line.66"></a> |
| <span class="sourceLineNo">067</span> private final static byte xFF = (byte) 0xff;<a name="line.67"></a> |
| <span class="sourceLineNo">068</span><a name="line.68"></a> |
| <span class="sourceLineNo">069</span> @Rule<a name="line.69"></a> |
| <span class="sourceLineNo">070</span> public TestName name = new TestName();<a name="line.70"></a> |
| <span class="sourceLineNo">071</span><a name="line.71"></a> |
| <span class="sourceLineNo">072</span> @BeforeClass<a name="line.72"></a> |
| <span class="sourceLineNo">073</span> public static void setup() throws Exception {<a name="line.73"></a> |
| <span class="sourceLineNo">074</span> UTIL.startMiniCluster();<a name="line.74"></a> |
| <span class="sourceLineNo">075</span> }<a name="line.75"></a> |
| <span class="sourceLineNo">076</span><a name="line.76"></a> |
| <span class="sourceLineNo">077</span> @AfterClass<a name="line.77"></a> |
| <span class="sourceLineNo">078</span> public static void teardown() throws Exception {<a name="line.78"></a> |
| <span class="sourceLineNo">079</span> UTIL.shutdownMiniCluster();<a name="line.79"></a> |
| <span class="sourceLineNo">080</span> }<a name="line.80"></a> |
| <span class="sourceLineNo">081</span><a name="line.81"></a> |
| <span class="sourceLineNo">082</span> /**<a name="line.82"></a> |
| <span class="sourceLineNo">083</span> * Test creating a pre-split table using the HexStringSplit algorithm.<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 testCreatePresplitTableHex() throws Exception {<a name="line.86"></a> |
| <span class="sourceLineNo">087</span> final List<byte[]> expectedBounds = new ArrayList<>(17);<a name="line.87"></a> |
| <span class="sourceLineNo">088</span> expectedBounds.add(ArrayUtils.EMPTY_BYTE_ARRAY);<a name="line.88"></a> |
| <span class="sourceLineNo">089</span> expectedBounds.add(Bytes.toBytes("10000000"));<a name="line.89"></a> |
| <span class="sourceLineNo">090</span> expectedBounds.add(Bytes.toBytes("20000000"));<a name="line.90"></a> |
| <span class="sourceLineNo">091</span> expectedBounds.add(Bytes.toBytes("30000000"));<a name="line.91"></a> |
| <span class="sourceLineNo">092</span> expectedBounds.add(Bytes.toBytes("40000000"));<a name="line.92"></a> |
| <span class="sourceLineNo">093</span> expectedBounds.add(Bytes.toBytes("50000000"));<a name="line.93"></a> |
| <span class="sourceLineNo">094</span> expectedBounds.add(Bytes.toBytes("60000000"));<a name="line.94"></a> |
| <span class="sourceLineNo">095</span> expectedBounds.add(Bytes.toBytes("70000000"));<a name="line.95"></a> |
| <span class="sourceLineNo">096</span> expectedBounds.add(Bytes.toBytes("80000000"));<a name="line.96"></a> |
| <span class="sourceLineNo">097</span> expectedBounds.add(Bytes.toBytes("90000000"));<a name="line.97"></a> |
| <span class="sourceLineNo">098</span> expectedBounds.add(Bytes.toBytes("a0000000"));<a name="line.98"></a> |
| <span class="sourceLineNo">099</span> expectedBounds.add(Bytes.toBytes("b0000000"));<a name="line.99"></a> |
| <span class="sourceLineNo">100</span> expectedBounds.add(Bytes.toBytes("c0000000"));<a name="line.100"></a> |
| <span class="sourceLineNo">101</span> expectedBounds.add(Bytes.toBytes("d0000000"));<a name="line.101"></a> |
| <span class="sourceLineNo">102</span> expectedBounds.add(Bytes.toBytes("e0000000"));<a name="line.102"></a> |
| <span class="sourceLineNo">103</span> expectedBounds.add(Bytes.toBytes("f0000000"));<a name="line.103"></a> |
| <span class="sourceLineNo">104</span> expectedBounds.add(ArrayUtils.EMPTY_BYTE_ARRAY);<a name="line.104"></a> |
| <span class="sourceLineNo">105</span><a name="line.105"></a> |
| <span class="sourceLineNo">106</span> // Do table creation/pre-splitting and verification of region boundaries<a name="line.106"></a> |
| <span class="sourceLineNo">107</span> preSplitTableAndVerify(expectedBounds,<a name="line.107"></a> |
| <span class="sourceLineNo">108</span> HexStringSplit.class.getSimpleName(),<a name="line.108"></a> |
| <span class="sourceLineNo">109</span> TableName.valueOf(name.getMethodName()));<a name="line.109"></a> |
| <span class="sourceLineNo">110</span> }<a name="line.110"></a> |
| <span class="sourceLineNo">111</span><a name="line.111"></a> |
| <span class="sourceLineNo">112</span> /**<a name="line.112"></a> |
| <span class="sourceLineNo">113</span> * Test creating a pre-split table using the UniformSplit algorithm.<a name="line.113"></a> |
| <span class="sourceLineNo">114</span> */<a name="line.114"></a> |
| <span class="sourceLineNo">115</span> @Test<a name="line.115"></a> |
| <span class="sourceLineNo">116</span> public void testCreatePresplitTableUniform() throws Exception {<a name="line.116"></a> |
| <span class="sourceLineNo">117</span> List<byte[]> expectedBounds = new ArrayList<>(17);<a name="line.117"></a> |
| <span class="sourceLineNo">118</span> expectedBounds.add(ArrayUtils.EMPTY_BYTE_ARRAY);<a name="line.118"></a> |
| <span class="sourceLineNo">119</span> expectedBounds.add(new byte[] { 0x10, 0, 0, 0, 0, 0, 0, 0});<a name="line.119"></a> |
| <span class="sourceLineNo">120</span> expectedBounds.add(new byte[] { 0x20, 0, 0, 0, 0, 0, 0, 0});<a name="line.120"></a> |
| <span class="sourceLineNo">121</span> expectedBounds.add(new byte[] { 0x30, 0, 0, 0, 0, 0, 0, 0});<a name="line.121"></a> |
| <span class="sourceLineNo">122</span> expectedBounds.add(new byte[] { 0x40, 0, 0, 0, 0, 0, 0, 0});<a name="line.122"></a> |
| <span class="sourceLineNo">123</span> expectedBounds.add(new byte[] { 0x50, 0, 0, 0, 0, 0, 0, 0 });<a name="line.123"></a> |
| <span class="sourceLineNo">124</span> expectedBounds.add(new byte[] { 0x60, 0, 0, 0, 0, 0, 0, 0 });<a name="line.124"></a> |
| <span class="sourceLineNo">125</span> expectedBounds.add(new byte[] { 0x70, 0, 0, 0, 0, 0, 0, 0 });<a name="line.125"></a> |
| <span class="sourceLineNo">126</span> expectedBounds.add(new byte[] { (byte) 0x80, 0, 0, 0, 0, 0, 0, 0 });<a name="line.126"></a> |
| <span class="sourceLineNo">127</span> expectedBounds.add(new byte[] { (byte) 0x90, 0, 0, 0, 0, 0, 0, 0 });<a name="line.127"></a> |
| <span class="sourceLineNo">128</span> expectedBounds.add(new byte[] {(byte)0xa0, 0, 0, 0, 0, 0, 0, 0});<a name="line.128"></a> |
| <span class="sourceLineNo">129</span> expectedBounds.add(new byte[] { (byte) 0xb0, 0, 0, 0, 0, 0, 0, 0 });<a name="line.129"></a> |
| <span class="sourceLineNo">130</span> expectedBounds.add(new byte[] { (byte) 0xc0, 0, 0, 0, 0, 0, 0, 0 });<a name="line.130"></a> |
| <span class="sourceLineNo">131</span> expectedBounds.add(new byte[] { (byte) 0xd0, 0, 0, 0, 0, 0, 0, 0 });<a name="line.131"></a> |
| <span class="sourceLineNo">132</span> expectedBounds.add(new byte[] {(byte)0xe0, 0, 0, 0, 0, 0, 0, 0});<a name="line.132"></a> |
| <span class="sourceLineNo">133</span> expectedBounds.add(new byte[] { (byte) 0xf0, 0, 0, 0, 0, 0, 0, 0 });<a name="line.133"></a> |
| <span class="sourceLineNo">134</span> expectedBounds.add(ArrayUtils.EMPTY_BYTE_ARRAY);<a name="line.134"></a> |
| <span class="sourceLineNo">135</span><a name="line.135"></a> |
| <span class="sourceLineNo">136</span> // Do table creation/pre-splitting and verification of region boundaries<a name="line.136"></a> |
| <span class="sourceLineNo">137</span> preSplitTableAndVerify(expectedBounds, UniformSplit.class.getSimpleName(),<a name="line.137"></a> |
| <span class="sourceLineNo">138</span> TableName.valueOf(name.getMethodName()));<a name="line.138"></a> |
| <span class="sourceLineNo">139</span> }<a name="line.139"></a> |
| <span class="sourceLineNo">140</span><a name="line.140"></a> |
| <span class="sourceLineNo">141</span> /**<a name="line.141"></a> |
| <span class="sourceLineNo">142</span> * Unit tests for the HexStringSplit algorithm. Makes sure it divides up the<a name="line.142"></a> |
| <span class="sourceLineNo">143</span> * space of keys in the way that we expect.<a name="line.143"></a> |
| <span class="sourceLineNo">144</span> */<a name="line.144"></a> |
| <span class="sourceLineNo">145</span> @Test<a name="line.145"></a> |
| <span class="sourceLineNo">146</span> public void unitTestHexStringSplit() {<a name="line.146"></a> |
| <span class="sourceLineNo">147</span> HexStringSplit splitter = new HexStringSplit();<a name="line.147"></a> |
| <span class="sourceLineNo">148</span> // Check splitting while starting from scratch<a name="line.148"></a> |
| <span class="sourceLineNo">149</span><a name="line.149"></a> |
| <span class="sourceLineNo">150</span> byte[][] twoRegionsSplits = splitter.split(2);<a name="line.150"></a> |
| <span class="sourceLineNo">151</span> assertEquals(1, twoRegionsSplits.length);<a name="line.151"></a> |
| <span class="sourceLineNo">152</span> assertArrayEquals(Bytes.toBytes("80000000"), twoRegionsSplits[0]);<a name="line.152"></a> |
| <span class="sourceLineNo">153</span><a name="line.153"></a> |
| <span class="sourceLineNo">154</span> byte[][] threeRegionsSplits = splitter.split(3);<a name="line.154"></a> |
| <span class="sourceLineNo">155</span> assertEquals(2, threeRegionsSplits.length);<a name="line.155"></a> |
| <span class="sourceLineNo">156</span> byte[] expectedSplit0 = Bytes.toBytes("55555555");<a name="line.156"></a> |
| <span class="sourceLineNo">157</span> assertArrayEquals(expectedSplit0, threeRegionsSplits[0]);<a name="line.157"></a> |
| <span class="sourceLineNo">158</span> byte[] expectedSplit1 = Bytes.toBytes("aaaaaaaa");<a name="line.158"></a> |
| <span class="sourceLineNo">159</span> assertArrayEquals(expectedSplit1, threeRegionsSplits[1]);<a name="line.159"></a> |
| <span class="sourceLineNo">160</span><a name="line.160"></a> |
| <span class="sourceLineNo">161</span> // Check splitting existing regions that have start and end points<a name="line.161"></a> |
| <span class="sourceLineNo">162</span> byte[] splitPoint = splitter.split(Bytes.toBytes("10000000"), Bytes.toBytes("30000000"));<a name="line.162"></a> |
| <span class="sourceLineNo">163</span> assertArrayEquals(Bytes.toBytes("20000000"), splitPoint);<a name="line.163"></a> |
| <span class="sourceLineNo">164</span><a name="line.164"></a> |
| <span class="sourceLineNo">165</span> byte[] lastRow = Bytes.toBytes("ffffffff");<a name="line.165"></a> |
| <span class="sourceLineNo">166</span> assertArrayEquals(lastRow, splitter.lastRow());<a name="line.166"></a> |
| <span class="sourceLineNo">167</span> byte[] firstRow = Bytes.toBytes("00000000");<a name="line.167"></a> |
| <span class="sourceLineNo">168</span> assertArrayEquals(firstRow, splitter.firstRow());<a name="line.168"></a> |
| <span class="sourceLineNo">169</span><a name="line.169"></a> |
| <span class="sourceLineNo">170</span> // Halfway between 00... and 20... should be 10...<a name="line.170"></a> |
| <span class="sourceLineNo">171</span> splitPoint = splitter.split(firstRow, Bytes.toBytes("20000000"));<a name="line.171"></a> |
| <span class="sourceLineNo">172</span> assertArrayEquals(Bytes.toBytes("10000000"), splitPoint);<a name="line.172"></a> |
| <span class="sourceLineNo">173</span><a name="line.173"></a> |
| <span class="sourceLineNo">174</span> // Halfway between df... and ff... should be ef....<a name="line.174"></a> |
| <span class="sourceLineNo">175</span> splitPoint = splitter.split(Bytes.toBytes("dfffffff"), lastRow);<a name="line.175"></a> |
| <span class="sourceLineNo">176</span> assertArrayEquals(Bytes.toBytes("efffffff"), splitPoint);<a name="line.176"></a> |
| <span class="sourceLineNo">177</span><a name="line.177"></a> |
| <span class="sourceLineNo">178</span> // Check splitting region with multiple mappers per region<a name="line.178"></a> |
| <span class="sourceLineNo">179</span> byte[][] splits = splitter.split(Bytes.toBytes("00000000"), Bytes.toBytes("30000000"),<a name="line.179"></a> |
| <span class="sourceLineNo">180</span> 3, false);<a name="line.180"></a> |
| <span class="sourceLineNo">181</span> assertEquals(2, splits.length);<a name="line.181"></a> |
| <span class="sourceLineNo">182</span> assertArrayEquals(Bytes.toBytes("10000000"), splits[0]);<a name="line.182"></a> |
| <span class="sourceLineNo">183</span> assertArrayEquals(Bytes.toBytes("20000000"), splits[1]);<a name="line.183"></a> |
| <span class="sourceLineNo">184</span><a name="line.184"></a> |
| <span class="sourceLineNo">185</span> splits = splitter.split(Bytes.toBytes("00000000"), Bytes.toBytes("20000000"), 2, true);<a name="line.185"></a> |
| <span class="sourceLineNo">186</span> assertEquals(3, splits.length);<a name="line.186"></a> |
| <span class="sourceLineNo">187</span> assertArrayEquals(Bytes.toBytes("10000000"), splits[1]);<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> /**<a name="line.190"></a> |
| <span class="sourceLineNo">191</span> * Unit tests for the DecimalStringSplit algorithm. Makes sure it divides up the<a name="line.191"></a> |
| <span class="sourceLineNo">192</span> * space of keys in the way that we expect.<a name="line.192"></a> |
| <span class="sourceLineNo">193</span> */<a name="line.193"></a> |
| <span class="sourceLineNo">194</span> @Test<a name="line.194"></a> |
| <span class="sourceLineNo">195</span> public void unitTestDecimalStringSplit() {<a name="line.195"></a> |
| <span class="sourceLineNo">196</span> DecimalStringSplit splitter = new DecimalStringSplit();<a name="line.196"></a> |
| <span class="sourceLineNo">197</span> // Check splitting while starting from scratch<a name="line.197"></a> |
| <span class="sourceLineNo">198</span><a name="line.198"></a> |
| <span class="sourceLineNo">199</span> byte[][] twoRegionsSplits = splitter.split(2);<a name="line.199"></a> |
| <span class="sourceLineNo">200</span> assertEquals(1, twoRegionsSplits.length);<a name="line.200"></a> |
| <span class="sourceLineNo">201</span> assertArrayEquals(Bytes.toBytes("50000000"), twoRegionsSplits[0]);<a name="line.201"></a> |
| <span class="sourceLineNo">202</span><a name="line.202"></a> |
| <span class="sourceLineNo">203</span> byte[][] threeRegionsSplits = splitter.split(3);<a name="line.203"></a> |
| <span class="sourceLineNo">204</span> assertEquals(2, threeRegionsSplits.length);<a name="line.204"></a> |
| <span class="sourceLineNo">205</span> byte[] expectedSplit0 = Bytes.toBytes("33333333");<a name="line.205"></a> |
| <span class="sourceLineNo">206</span> assertArrayEquals(expectedSplit0, threeRegionsSplits[0]);<a name="line.206"></a> |
| <span class="sourceLineNo">207</span> byte[] expectedSplit1 = Bytes.toBytes("66666666");<a name="line.207"></a> |
| <span class="sourceLineNo">208</span> assertArrayEquals(expectedSplit1, threeRegionsSplits[1]);<a name="line.208"></a> |
| <span class="sourceLineNo">209</span><a name="line.209"></a> |
| <span class="sourceLineNo">210</span> // Check splitting existing regions that have start and end points<a name="line.210"></a> |
| <span class="sourceLineNo">211</span> byte[] splitPoint = splitter.split(Bytes.toBytes("10000000"), Bytes.toBytes("30000000"));<a name="line.211"></a> |
| <span class="sourceLineNo">212</span> assertArrayEquals(Bytes.toBytes("20000000"), splitPoint);<a name="line.212"></a> |
| <span class="sourceLineNo">213</span><a name="line.213"></a> |
| <span class="sourceLineNo">214</span> byte[] lastRow = Bytes.toBytes("99999999");<a name="line.214"></a> |
| <span class="sourceLineNo">215</span> assertArrayEquals(lastRow, splitter.lastRow());<a name="line.215"></a> |
| <span class="sourceLineNo">216</span> byte[] firstRow = Bytes.toBytes("00000000");<a name="line.216"></a> |
| <span class="sourceLineNo">217</span> assertArrayEquals(firstRow, splitter.firstRow());<a name="line.217"></a> |
| <span class="sourceLineNo">218</span><a name="line.218"></a> |
| <span class="sourceLineNo">219</span> // Halfway between 00... and 20... should be 10...<a name="line.219"></a> |
| <span class="sourceLineNo">220</span> splitPoint = splitter.split(firstRow, Bytes.toBytes("20000000"));<a name="line.220"></a> |
| <span class="sourceLineNo">221</span> assertArrayEquals(Bytes.toBytes("10000000"), splitPoint);<a name="line.221"></a> |
| <span class="sourceLineNo">222</span><a name="line.222"></a> |
| <span class="sourceLineNo">223</span> // Halfway between 00... and 19... should be 09...<a name="line.223"></a> |
| <span class="sourceLineNo">224</span> splitPoint = splitter.split(firstRow, Bytes.toBytes("19999999"));<a name="line.224"></a> |
| <span class="sourceLineNo">225</span> assertArrayEquals(Bytes.toBytes("09999999"), splitPoint);<a name="line.225"></a> |
| <span class="sourceLineNo">226</span><a name="line.226"></a> |
| <span class="sourceLineNo">227</span> // Halfway between 79... and 99... should be 89....<a name="line.227"></a> |
| <span class="sourceLineNo">228</span> splitPoint = splitter.split(Bytes.toBytes("79999999"), lastRow);<a name="line.228"></a> |
| <span class="sourceLineNo">229</span> assertArrayEquals(Bytes.toBytes("89999999"), splitPoint);<a name="line.229"></a> |
| <span class="sourceLineNo">230</span><a name="line.230"></a> |
| <span class="sourceLineNo">231</span> // Check splitting region with multiple mappers per region<a name="line.231"></a> |
| <span class="sourceLineNo">232</span> byte[][] splits = splitter.split(Bytes.toBytes("00000000"), Bytes.toBytes("30000000"),<a name="line.232"></a> |
| <span class="sourceLineNo">233</span> 3, false);<a name="line.233"></a> |
| <span class="sourceLineNo">234</span> assertEquals(2, splits.length);<a name="line.234"></a> |
| <span class="sourceLineNo">235</span> assertArrayEquals(Bytes.toBytes("10000000"), splits[0]);<a name="line.235"></a> |
| <span class="sourceLineNo">236</span> assertArrayEquals(Bytes.toBytes("20000000"), splits[1]);<a name="line.236"></a> |
| <span class="sourceLineNo">237</span><a name="line.237"></a> |
| <span class="sourceLineNo">238</span> splits = splitter.split(Bytes.toBytes("00000000"), Bytes.toBytes("20000000"), 2, true);<a name="line.238"></a> |
| <span class="sourceLineNo">239</span> assertEquals(3, splits.length);<a name="line.239"></a> |
| <span class="sourceLineNo">240</span> assertArrayEquals(Bytes.toBytes("10000000"), splits[1]);<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> * Unit tests for the UniformSplit algorithm. Makes sure it divides up the space of<a name="line.244"></a> |
| <span class="sourceLineNo">245</span> * keys in the way that we expect.<a name="line.245"></a> |
| <span class="sourceLineNo">246</span> */<a name="line.246"></a> |
| <span class="sourceLineNo">247</span> @Test<a name="line.247"></a> |
| <span class="sourceLineNo">248</span> public void unitTestUniformSplit() {<a name="line.248"></a> |
| <span class="sourceLineNo">249</span> UniformSplit splitter = new UniformSplit();<a name="line.249"></a> |
| <span class="sourceLineNo">250</span><a name="line.250"></a> |
| <span class="sourceLineNo">251</span> // Check splitting while starting from scratch<a name="line.251"></a> |
| <span class="sourceLineNo">252</span> try {<a name="line.252"></a> |
| <span class="sourceLineNo">253</span> splitter.split(1);<a name="line.253"></a> |
| <span class="sourceLineNo">254</span> throw new AssertionError("Splitting into <2 regions should have thrown exception");<a name="line.254"></a> |
| <span class="sourceLineNo">255</span> } catch (IllegalArgumentException e) { }<a name="line.255"></a> |
| <span class="sourceLineNo">256</span><a name="line.256"></a> |
| <span class="sourceLineNo">257</span> byte[][] twoRegionsSplits = splitter.split(2);<a name="line.257"></a> |
| <span class="sourceLineNo">258</span> assertEquals(1, twoRegionsSplits.length);<a name="line.258"></a> |
| <span class="sourceLineNo">259</span> assertArrayEquals(twoRegionsSplits[0], new byte[] { (byte) 0x80, 0, 0, 0, 0, 0, 0, 0 });<a name="line.259"></a> |
| <span class="sourceLineNo">260</span><a name="line.260"></a> |
| <span class="sourceLineNo">261</span> byte[][] threeRegionsSplits = splitter.split(3);<a name="line.261"></a> |
| <span class="sourceLineNo">262</span> assertEquals(2, threeRegionsSplits.length);<a name="line.262"></a> |
| <span class="sourceLineNo">263</span> byte[] expectedSplit0 = new byte[] {0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55};<a name="line.263"></a> |
| <span class="sourceLineNo">264</span> assertArrayEquals(expectedSplit0, threeRegionsSplits[0]);<a name="line.264"></a> |
| <span class="sourceLineNo">265</span> byte[] expectedSplit1 = new byte[] {(byte)0xAA, (byte)0xAA, (byte)0xAA, (byte)0xAA,<a name="line.265"></a> |
| <span class="sourceLineNo">266</span> (byte)0xAA, (byte)0xAA, (byte)0xAA, (byte)0xAA};<a name="line.266"></a> |
| <span class="sourceLineNo">267</span> assertArrayEquals(expectedSplit1, threeRegionsSplits[1]);<a name="line.267"></a> |
| <span class="sourceLineNo">268</span><a name="line.268"></a> |
| <span class="sourceLineNo">269</span> // Check splitting existing regions that have start and end points<a name="line.269"></a> |
| <span class="sourceLineNo">270</span> byte[] splitPoint = splitter.split(new byte[] {0x10}, new byte[] {0x30});<a name="line.270"></a> |
| <span class="sourceLineNo">271</span> assertArrayEquals(new byte[] { 0x20 }, splitPoint);<a name="line.271"></a> |
| <span class="sourceLineNo">272</span><a name="line.272"></a> |
| <span class="sourceLineNo">273</span> byte[] lastRow = new byte[] {xFF, xFF, xFF, xFF, xFF, xFF, xFF, xFF};<a name="line.273"></a> |
| <span class="sourceLineNo">274</span> assertArrayEquals(lastRow, splitter.lastRow());<a name="line.274"></a> |
| <span class="sourceLineNo">275</span> byte[] firstRow = ArrayUtils.EMPTY_BYTE_ARRAY;<a name="line.275"></a> |
| <span class="sourceLineNo">276</span> assertArrayEquals(firstRow, splitter.firstRow());<a name="line.276"></a> |
| <span class="sourceLineNo">277</span><a name="line.277"></a> |
| <span class="sourceLineNo">278</span> splitPoint = splitter.split(firstRow, new byte[] {0x20});<a name="line.278"></a> |
| <span class="sourceLineNo">279</span> assertArrayEquals(splitPoint, new byte[] { 0x10 });<a name="line.279"></a> |
| <span class="sourceLineNo">280</span><a name="line.280"></a> |
| <span class="sourceLineNo">281</span> splitPoint = splitter.split(new byte[] {(byte)0xdf, xFF, xFF, xFF, xFF,<a name="line.281"></a> |
| <span class="sourceLineNo">282</span> xFF, xFF, xFF}, lastRow);<a name="line.282"></a> |
| <span class="sourceLineNo">283</span> assertArrayEquals(splitPoint, new byte[] { (byte) 0xef, xFF, xFF, xFF, xFF, xFF, xFF, xFF});<a name="line.283"></a> |
| <span class="sourceLineNo">284</span><a name="line.284"></a> |
| <span class="sourceLineNo">285</span> splitPoint = splitter.split(new byte[] {'a', 'a', 'a'}, new byte[] {'a', 'a', 'b'});<a name="line.285"></a> |
| <span class="sourceLineNo">286</span> assertArrayEquals(splitPoint, new byte[] { 'a', 'a', 'a', (byte) 0x80 });<a name="line.286"></a> |
| <span class="sourceLineNo">287</span><a name="line.287"></a> |
| <span class="sourceLineNo">288</span> // Check splitting region with multiple mappers per region<a name="line.288"></a> |
| <span class="sourceLineNo">289</span> byte[][] splits = splitter.split(new byte[] {'a', 'a', 'a'}, new byte[] {'a', 'a', 'd'},<a name="line.289"></a> |
| <span class="sourceLineNo">290</span> 3, false);<a name="line.290"></a> |
| <span class="sourceLineNo">291</span> assertEquals(2, splits.length);<a name="line.291"></a> |
| <span class="sourceLineNo">292</span> assertArrayEquals(splits[0], new byte[]{'a', 'a', 'b'});<a name="line.292"></a> |
| <span class="sourceLineNo">293</span> assertArrayEquals(splits[1], new byte[]{'a', 'a', 'c'});<a name="line.293"></a> |
| <span class="sourceLineNo">294</span><a name="line.294"></a> |
| <span class="sourceLineNo">295</span> splits = splitter.split(new byte[] {'a', 'a', 'a'}, new byte[] {'a', 'a', 'e'}, 2, true);<a name="line.295"></a> |
| <span class="sourceLineNo">296</span> assertEquals(3, splits.length);<a name="line.296"></a> |
| <span class="sourceLineNo">297</span> assertArrayEquals(splits[1], new byte[] { 'a', 'a', 'c'});<a name="line.297"></a> |
| <span class="sourceLineNo">298</span> }<a name="line.298"></a> |
| <span class="sourceLineNo">299</span><a name="line.299"></a> |
| <span class="sourceLineNo">300</span> @Test<a name="line.300"></a> |
| <span class="sourceLineNo">301</span> public void testUserInput() {<a name="line.301"></a> |
| <span class="sourceLineNo">302</span> SplitAlgorithm algo = new HexStringSplit();<a name="line.302"></a> |
| <span class="sourceLineNo">303</span> assertFalse(splitFailsPrecondition(algo)); // default settings are fine<a name="line.303"></a> |
| <span class="sourceLineNo">304</span> assertFalse(splitFailsPrecondition(algo, "00", "AA")); // custom is fine<a name="line.304"></a> |
| <span class="sourceLineNo">305</span> assertTrue(splitFailsPrecondition(algo, "AA", "00")); // range error<a name="line.305"></a> |
| <span class="sourceLineNo">306</span> assertTrue(splitFailsPrecondition(algo, "AA", "AA")); // range error<a name="line.306"></a> |
| <span class="sourceLineNo">307</span> assertFalse(splitFailsPrecondition(algo, "0", "2", 3)); // should be fine<a name="line.307"></a> |
| <span class="sourceLineNo">308</span> assertFalse(splitFailsPrecondition(algo, "0", "A", 11)); // should be fine<a name="line.308"></a> |
| <span class="sourceLineNo">309</span> assertTrue(splitFailsPrecondition(algo, "0", "A", 12)); // too granular<a name="line.309"></a> |
| <span class="sourceLineNo">310</span><a name="line.310"></a> |
| <span class="sourceLineNo">311</span> algo = new DecimalStringSplit();<a name="line.311"></a> |
| <span class="sourceLineNo">312</span> assertFalse(splitFailsPrecondition(algo)); // default settings are fine<a name="line.312"></a> |
| <span class="sourceLineNo">313</span> assertFalse(splitFailsPrecondition(algo, "00", "99")); // custom is fine<a name="line.313"></a> |
| <span class="sourceLineNo">314</span> assertTrue(splitFailsPrecondition(algo, "99", "00")); // range error<a name="line.314"></a> |
| <span class="sourceLineNo">315</span> assertTrue(splitFailsPrecondition(algo, "99", "99")); // range error<a name="line.315"></a> |
| <span class="sourceLineNo">316</span> assertFalse(splitFailsPrecondition(algo, "0", "2", 3)); // should be fine<a name="line.316"></a> |
| <span class="sourceLineNo">317</span> assertFalse(splitFailsPrecondition(algo, "0", "9", 10)); // should be fine<a name="line.317"></a> |
| <span class="sourceLineNo">318</span> assertTrue(splitFailsPrecondition(algo, "0", "9", 11)); // too granular<a name="line.318"></a> |
| <span class="sourceLineNo">319</span><a name="line.319"></a> |
| <span class="sourceLineNo">320</span> algo = new UniformSplit();<a name="line.320"></a> |
| <span class="sourceLineNo">321</span> assertFalse(splitFailsPrecondition(algo)); // default settings are fine<a name="line.321"></a> |
| <span class="sourceLineNo">322</span> assertFalse(splitFailsPrecondition(algo, "\\x00", "\\xAA")); // custom is fine<a name="line.322"></a> |
| <span class="sourceLineNo">323</span> assertTrue(splitFailsPrecondition(algo, "\\xAA", "\\x00")); // range error<a name="line.323"></a> |
| <span class="sourceLineNo">324</span> assertTrue(splitFailsPrecondition(algo, "\\xAA", "\\xAA")); // range error<a name="line.324"></a> |
| <span class="sourceLineNo">325</span> assertFalse(splitFailsPrecondition(algo, "\\x00", "\\x02", 3)); // should be fine<a name="line.325"></a> |
| <span class="sourceLineNo">326</span> assertFalse(splitFailsPrecondition(algo, "\\x00", "\\x0A", 11)); // should be fine<a name="line.326"></a> |
| <span class="sourceLineNo">327</span> assertFalse(splitFailsPrecondition(algo, "\\x00", "\\x0A", 12)); // should be fine<a name="line.327"></a> |
| <span class="sourceLineNo">328</span> }<a name="line.328"></a> |
| <span class="sourceLineNo">329</span><a name="line.329"></a> |
| <span class="sourceLineNo">330</span> private boolean splitFailsPrecondition(SplitAlgorithm algo) {<a name="line.330"></a> |
| <span class="sourceLineNo">331</span> return splitFailsPrecondition(algo, 100);<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> private boolean splitFailsPrecondition(SplitAlgorithm algo, String firstRow,<a name="line.334"></a> |
| <span class="sourceLineNo">335</span> String lastRow) {<a name="line.335"></a> |
| <span class="sourceLineNo">336</span> return splitFailsPrecondition(algo, firstRow, lastRow, 100);<a name="line.336"></a> |
| <span class="sourceLineNo">337</span> }<a name="line.337"></a> |
| <span class="sourceLineNo">338</span><a name="line.338"></a> |
| <span class="sourceLineNo">339</span> private boolean splitFailsPrecondition(SplitAlgorithm algo, String firstRow,<a name="line.339"></a> |
| <span class="sourceLineNo">340</span> String lastRow, int numRegions) {<a name="line.340"></a> |
| <span class="sourceLineNo">341</span> algo.setFirstRow(firstRow);<a name="line.341"></a> |
| <span class="sourceLineNo">342</span> algo.setLastRow(lastRow);<a name="line.342"></a> |
| <span class="sourceLineNo">343</span> return splitFailsPrecondition(algo, numRegions);<a name="line.343"></a> |
| <span class="sourceLineNo">344</span> }<a name="line.344"></a> |
| <span class="sourceLineNo">345</span><a name="line.345"></a> |
| <span class="sourceLineNo">346</span> private boolean splitFailsPrecondition(SplitAlgorithm algo, int numRegions) {<a name="line.346"></a> |
| <span class="sourceLineNo">347</span> try {<a name="line.347"></a> |
| <span class="sourceLineNo">348</span> byte[][] s = algo.split(numRegions);<a name="line.348"></a> |
| <span class="sourceLineNo">349</span> LOG.debug("split algo = " + algo);<a name="line.349"></a> |
| <span class="sourceLineNo">350</span> if (s != null) {<a name="line.350"></a> |
| <span class="sourceLineNo">351</span> StringBuilder sb = new StringBuilder();<a name="line.351"></a> |
| <span class="sourceLineNo">352</span> for (byte[] b : s) {<a name="line.352"></a> |
| <span class="sourceLineNo">353</span> sb.append(Bytes.toStringBinary(b) + " ");<a name="line.353"></a> |
| <span class="sourceLineNo">354</span> }<a name="line.354"></a> |
| <span class="sourceLineNo">355</span> LOG.debug(sb.toString());<a name="line.355"></a> |
| <span class="sourceLineNo">356</span> }<a name="line.356"></a> |
| <span class="sourceLineNo">357</span> return false;<a name="line.357"></a> |
| <span class="sourceLineNo">358</span> } catch (IllegalArgumentException e) {<a name="line.358"></a> |
| <span class="sourceLineNo">359</span> return true;<a name="line.359"></a> |
| <span class="sourceLineNo">360</span> } catch (IllegalStateException e) {<a name="line.360"></a> |
| <span class="sourceLineNo">361</span> return true;<a name="line.361"></a> |
| <span class="sourceLineNo">362</span> } catch (IndexOutOfBoundsException e) {<a name="line.362"></a> |
| <span class="sourceLineNo">363</span> return true;<a name="line.363"></a> |
| <span class="sourceLineNo">364</span> }<a name="line.364"></a> |
| <span class="sourceLineNo">365</span> }<a name="line.365"></a> |
| <span class="sourceLineNo">366</span><a name="line.366"></a> |
| <span class="sourceLineNo">367</span> /**<a name="line.367"></a> |
| <span class="sourceLineNo">368</span> * Creates a pre-split table with expectedBounds.size()+1 regions, then<a name="line.368"></a> |
| <span class="sourceLineNo">369</span> * verifies that the region boundaries are the same as the expected<a name="line.369"></a> |
| <span class="sourceLineNo">370</span> * region boundaries in expectedBounds.<a name="line.370"></a> |
| <span class="sourceLineNo">371</span> * @throws Various junit assertions<a name="line.371"></a> |
| <span class="sourceLineNo">372</span> */<a name="line.372"></a> |
| <span class="sourceLineNo">373</span> private void preSplitTableAndVerify(List<byte[]> expectedBounds,<a name="line.373"></a> |
| <span class="sourceLineNo">374</span> String splitClass, TableName tableName) throws Exception {<a name="line.374"></a> |
| <span class="sourceLineNo">375</span> final int numRegions = expectedBounds.size()-1;<a name="line.375"></a> |
| <span class="sourceLineNo">376</span> final Configuration conf = UTIL.getConfiguration();<a name="line.376"></a> |
| <span class="sourceLineNo">377</span> conf.setInt("split.count", numRegions);<a name="line.377"></a> |
| <span class="sourceLineNo">378</span> SplitAlgorithm splitAlgo = RegionSplitter.newSplitAlgoInstance(conf, splitClass);<a name="line.378"></a> |
| <span class="sourceLineNo">379</span> RegionSplitter.createPresplitTable(tableName, splitAlgo, new String[] { CF_NAME }, conf);<a name="line.379"></a> |
| <span class="sourceLineNo">380</span> verifyBounds(expectedBounds, tableName);<a name="line.380"></a> |
| <span class="sourceLineNo">381</span> }<a name="line.381"></a> |
| <span class="sourceLineNo">382</span><a name="line.382"></a> |
| <span class="sourceLineNo">383</span> @Test<a name="line.383"></a> |
| <span class="sourceLineNo">384</span> public void noopRollingSplit() throws Exception {<a name="line.384"></a> |
| <span class="sourceLineNo">385</span> final List<byte[]> expectedBounds = new ArrayList<>(1);<a name="line.385"></a> |
| <span class="sourceLineNo">386</span> expectedBounds.add(ArrayUtils.EMPTY_BYTE_ARRAY);<a name="line.386"></a> |
| <span class="sourceLineNo">387</span> rollingSplitAndVerify(TableName.valueOf(TestRegionSplitter.class.getSimpleName()),<a name="line.387"></a> |
| <span class="sourceLineNo">388</span> "UniformSplit", expectedBounds);<a name="line.388"></a> |
| <span class="sourceLineNo">389</span> }<a name="line.389"></a> |
| <span class="sourceLineNo">390</span><a name="line.390"></a> |
| <span class="sourceLineNo">391</span> private void rollingSplitAndVerify(TableName tableName, String splitClass,<a name="line.391"></a> |
| <span class="sourceLineNo">392</span> List<byte[]> expectedBounds) throws Exception {<a name="line.392"></a> |
| <span class="sourceLineNo">393</span> final Configuration conf = UTIL.getConfiguration();<a name="line.393"></a> |
| <span class="sourceLineNo">394</span><a name="line.394"></a> |
| <span class="sourceLineNo">395</span> // Set this larger than the number of splits so RegionSplitter won't block<a name="line.395"></a> |
| <span class="sourceLineNo">396</span> conf.setInt("split.outstanding", 5);<a name="line.396"></a> |
| <span class="sourceLineNo">397</span> SplitAlgorithm splitAlgo = RegionSplitter.newSplitAlgoInstance(conf, splitClass);<a name="line.397"></a> |
| <span class="sourceLineNo">398</span> RegionSplitter.rollingSplit(tableName, splitAlgo, conf);<a name="line.398"></a> |
| <span class="sourceLineNo">399</span> verifyBounds(expectedBounds, tableName);<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> private void verifyBounds(List<byte[]> expectedBounds, TableName tableName)<a name="line.402"></a> |
| <span class="sourceLineNo">403</span> throws Exception {<a name="line.403"></a> |
| <span class="sourceLineNo">404</span> // Get region boundaries from the cluster and verify their endpoints<a name="line.404"></a> |
| <span class="sourceLineNo">405</span> final int numRegions = expectedBounds.size()-1;<a name="line.405"></a> |
| <span class="sourceLineNo">406</span> try (Table table = UTIL.getConnection().getTable(tableName);<a name="line.406"></a> |
| <span class="sourceLineNo">407</span> RegionLocator locator = UTIL.getConnection().getRegionLocator(tableName)) {<a name="line.407"></a> |
| <span class="sourceLineNo">408</span> final List<HRegionLocation> regionInfoMap = locator.getAllRegionLocations();<a name="line.408"></a> |
| <span class="sourceLineNo">409</span> assertEquals(numRegions, regionInfoMap.size());<a name="line.409"></a> |
| <span class="sourceLineNo">410</span> for (HRegionLocation entry : regionInfoMap) {<a name="line.410"></a> |
| <span class="sourceLineNo">411</span> final RegionInfo regionInfo = entry.getRegion();<a name="line.411"></a> |
| <span class="sourceLineNo">412</span> byte[] regionStart = regionInfo.getStartKey();<a name="line.412"></a> |
| <span class="sourceLineNo">413</span> byte[] regionEnd = regionInfo.getEndKey();<a name="line.413"></a> |
| <span class="sourceLineNo">414</span><a name="line.414"></a> |
| <span class="sourceLineNo">415</span> // This region's start key should be one of the region boundaries<a name="line.415"></a> |
| <span class="sourceLineNo">416</span> int startBoundaryIndex = indexOfBytes(expectedBounds, regionStart);<a name="line.416"></a> |
| <span class="sourceLineNo">417</span> assertNotSame(-1, startBoundaryIndex);<a name="line.417"></a> |
| <span class="sourceLineNo">418</span><a name="line.418"></a> |
| <span class="sourceLineNo">419</span> // This region's end key should be the region boundary that comes<a name="line.419"></a> |
| <span class="sourceLineNo">420</span> // after the starting boundary.<a name="line.420"></a> |
| <span class="sourceLineNo">421</span> byte[] expectedRegionEnd = expectedBounds.get(startBoundaryIndex + 1);<a name="line.421"></a> |
| <span class="sourceLineNo">422</span> assertEquals(0, Bytes.compareTo(regionEnd, expectedRegionEnd));<a name="line.422"></a> |
| <span class="sourceLineNo">423</span> }<a name="line.423"></a> |
| <span class="sourceLineNo">424</span> }<a name="line.424"></a> |
| <span class="sourceLineNo">425</span> }<a name="line.425"></a> |
| <span class="sourceLineNo">426</span><a name="line.426"></a> |
| <span class="sourceLineNo">427</span> /**<a name="line.427"></a> |
| <span class="sourceLineNo">428</span> * List.indexOf() doesn't really work for a List&lt;byte[]>, because byte[]<a name="line.428"></a> |
| <span class="sourceLineNo">429</span> * doesn't override equals(). This method checks whether a list contains<a name="line.429"></a> |
| <span class="sourceLineNo">430</span> * a given element by checking each element using the byte array comparator.<a name="line.430"></a> |
| <span class="sourceLineNo">431</span> * @return the index of the first element that equals compareTo, or -1 if no elements are equal.<a name="line.431"></a> |
| <span class="sourceLineNo">432</span> */<a name="line.432"></a> |
| <span class="sourceLineNo">433</span> static private int indexOfBytes(List<byte[]> list, byte[] compareTo) {<a name="line.433"></a> |
| <span class="sourceLineNo">434</span> int listIndex = 0;<a name="line.434"></a> |
| <span class="sourceLineNo">435</span> for(byte[] elem: list) {<a name="line.435"></a> |
| <span class="sourceLineNo">436</span> if(Bytes.BYTES_COMPARATOR.compare(elem, compareTo) == 0) {<a name="line.436"></a> |
| <span class="sourceLineNo">437</span> return listIndex;<a name="line.437"></a> |
| <span class="sourceLineNo">438</span> }<a name="line.438"></a> |
| <span class="sourceLineNo">439</span> listIndex++;<a name="line.439"></a> |
| <span class="sourceLineNo">440</span> }<a name="line.440"></a> |
| <span class="sourceLineNo">441</span> return -1;<a name="line.441"></a> |
| <span class="sourceLineNo">442</span> }<a name="line.442"></a> |
| <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><a name="line.445"></a> |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| </pre> |
| </div> |
| </body> |
| </html> |
