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| <pre><span class="source-line-no">001</span><span id="line-1">/*</span> |
| <span class="source-line-no">002</span><span id="line-2"> * Licensed to the Apache Software Foundation (ASF) under one</span> |
| <span class="source-line-no">003</span><span id="line-3"> * or more contributor license agreements. See the NOTICE file</span> |
| <span class="source-line-no">004</span><span id="line-4"> * distributed with this work for additional information</span> |
| <span class="source-line-no">005</span><span id="line-5"> * regarding copyright ownership. The ASF licenses this file</span> |
| <span class="source-line-no">006</span><span id="line-6"> * to you under the Apache License, Version 2.0 (the</span> |
| <span class="source-line-no">007</span><span id="line-7"> * "License"); you may not use this file except in compliance</span> |
| <span class="source-line-no">008</span><span id="line-8"> * with the License. You may obtain a copy of the License at</span> |
| <span class="source-line-no">009</span><span id="line-9"> *</span> |
| <span class="source-line-no">010</span><span id="line-10"> * http://www.apache.org/licenses/LICENSE-2.0</span> |
| <span class="source-line-no">011</span><span id="line-11"> *</span> |
| <span class="source-line-no">012</span><span id="line-12"> * Unless required by applicable law or agreed to in writing, software</span> |
| <span class="source-line-no">013</span><span id="line-13"> * distributed under the License is distributed on an "AS IS" BASIS,</span> |
| <span class="source-line-no">014</span><span id="line-14"> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span> |
| <span class="source-line-no">015</span><span id="line-15"> * See the License for the specific language governing permissions and</span> |
| <span class="source-line-no">016</span><span id="line-16"> * limitations under the License.</span> |
| <span class="source-line-no">017</span><span id="line-17"> */</span> |
| <span class="source-line-no">018</span><span id="line-18">package org.apache.hadoop.hbase.util;</span> |
| <span class="source-line-no">019</span><span id="line-19"></span> |
| <span class="source-line-no">020</span><span id="line-20">import static org.junit.Assert.assertEquals;</span> |
| <span class="source-line-no">021</span><span id="line-21">import static org.junit.Assert.assertTrue;</span> |
| <span class="source-line-no">022</span><span id="line-22"></span> |
| <span class="source-line-no">023</span><span id="line-23">import java.util.ArrayList;</span> |
| <span class="source-line-no">024</span><span id="line-24">import java.util.Collection;</span> |
| <span class="source-line-no">025</span><span id="line-25">import java.util.Comparator;</span> |
| <span class="source-line-no">026</span><span id="line-26">import java.util.List;</span> |
| <span class="source-line-no">027</span><span id="line-27">import java.util.SortedSet;</span> |
| <span class="source-line-no">028</span><span id="line-28">import java.util.UUID;</span> |
| <span class="source-line-no">029</span><span id="line-29">import org.apache.hadoop.hbase.HBaseClassTestRule;</span> |
| <span class="source-line-no">030</span><span id="line-30">import org.apache.hadoop.hbase.HBaseTestingUtil;</span> |
| <span class="source-line-no">031</span><span id="line-31">import org.apache.hadoop.hbase.testclassification.MiscTests;</span> |
| <span class="source-line-no">032</span><span id="line-32">import org.apache.hadoop.hbase.testclassification.SmallTests;</span> |
| <span class="source-line-no">033</span><span id="line-33">import org.junit.ClassRule;</span> |
| <span class="source-line-no">034</span><span id="line-34">import org.junit.Test;</span> |
| <span class="source-line-no">035</span><span id="line-35">import org.junit.experimental.categories.Category;</span> |
| <span class="source-line-no">036</span><span id="line-36">import org.slf4j.Logger;</span> |
| <span class="source-line-no">037</span><span id="line-37">import org.slf4j.LoggerFactory;</span> |
| <span class="source-line-no">038</span><span id="line-38"></span> |
| <span class="source-line-no">039</span><span id="line-39">import org.apache.hbase.thirdparty.com.google.common.collect.ComparisonChain;</span> |
| <span class="source-line-no">040</span><span id="line-40">import org.apache.hbase.thirdparty.com.google.common.collect.Multimap;</span> |
| <span class="source-line-no">041</span><span id="line-41"></span> |
| <span class="source-line-no">042</span><span id="line-42">@Category({ MiscTests.class, SmallTests.class })</span> |
| <span class="source-line-no">043</span><span id="line-43">public class TestRegionSplitCalculator {</span> |
| <span class="source-line-no">044</span><span id="line-44"></span> |
| <span class="source-line-no">045</span><span id="line-45"> @ClassRule</span> |
| <span class="source-line-no">046</span><span id="line-46"> public static final HBaseClassTestRule CLASS_RULE =</span> |
| <span class="source-line-no">047</span><span id="line-47"> HBaseClassTestRule.forClass(TestRegionSplitCalculator.class);</span> |
| <span class="source-line-no">048</span><span id="line-48"></span> |
| <span class="source-line-no">049</span><span id="line-49"> private static final Logger LOG = LoggerFactory.getLogger(TestRegionSplitCalculator.class);</span> |
| <span class="source-line-no">050</span><span id="line-50"> public static final HBaseTestingUtil TEST_UTIL = new HBaseTestingUtil();</span> |
| <span class="source-line-no">051</span><span id="line-51"></span> |
| <span class="source-line-no">052</span><span id="line-52"> /**</span> |
| <span class="source-line-no">053</span><span id="line-53"> * This is range uses a user specified start and end keys. It also has an extra tiebreaker so that</span> |
| <span class="source-line-no">054</span><span id="line-54"> * different ranges with the same start/end key pair count as different regions.</span> |
| <span class="source-line-no">055</span><span id="line-55"> */</span> |
| <span class="source-line-no">056</span><span id="line-56"> static class SimpleRange implements KeyRange {</span> |
| <span class="source-line-no">057</span><span id="line-57"> byte[] start, end;</span> |
| <span class="source-line-no">058</span><span id="line-58"> UUID tiebreaker;</span> |
| <span class="source-line-no">059</span><span id="line-59"></span> |
| <span class="source-line-no">060</span><span id="line-60"> SimpleRange(byte[] start, byte[] end) {</span> |
| <span class="source-line-no">061</span><span id="line-61"> this.start = start;</span> |
| <span class="source-line-no">062</span><span id="line-62"> this.end = end;</span> |
| <span class="source-line-no">063</span><span id="line-63"> this.tiebreaker = TEST_UTIL.getRandomUUID();</span> |
| <span class="source-line-no">064</span><span id="line-64"> }</span> |
| <span class="source-line-no">065</span><span id="line-65"></span> |
| <span class="source-line-no">066</span><span id="line-66"> @Override</span> |
| <span class="source-line-no">067</span><span id="line-67"> public byte[] getStartKey() {</span> |
| <span class="source-line-no">068</span><span id="line-68"> return start;</span> |
| <span class="source-line-no">069</span><span id="line-69"> }</span> |
| <span class="source-line-no">070</span><span id="line-70"></span> |
| <span class="source-line-no">071</span><span id="line-71"> @Override</span> |
| <span class="source-line-no">072</span><span id="line-72"> public byte[] getEndKey() {</span> |
| <span class="source-line-no">073</span><span id="line-73"> return end;</span> |
| <span class="source-line-no">074</span><span id="line-74"> }</span> |
| <span class="source-line-no">075</span><span id="line-75"></span> |
| <span class="source-line-no">076</span><span id="line-76"> @Override</span> |
| <span class="source-line-no">077</span><span id="line-77"> public String toString() {</span> |
| <span class="source-line-no">078</span><span id="line-78"> return "[" + Bytes.toString(start) + ", " + Bytes.toString(end) + "]";</span> |
| <span class="source-line-no">079</span><span id="line-79"> }</span> |
| <span class="source-line-no">080</span><span id="line-80"> }</span> |
| <span class="source-line-no">081</span><span id="line-81"></span> |
| <span class="source-line-no">082</span><span id="line-82"> Comparator<SimpleRange> cmp = new Comparator<SimpleRange>() {</span> |
| <span class="source-line-no">083</span><span id="line-83"> @Override</span> |
| <span class="source-line-no">084</span><span id="line-84"> public int compare(SimpleRange sr1, SimpleRange sr2) {</span> |
| <span class="source-line-no">085</span><span id="line-85"> ComparisonChain cc = ComparisonChain.start();</span> |
| <span class="source-line-no">086</span><span id="line-86"> cc = cc.compare(sr1.getStartKey(), sr2.getStartKey(), Bytes.BYTES_COMPARATOR);</span> |
| <span class="source-line-no">087</span><span id="line-87"> cc = cc.compare(sr1.getEndKey(), sr2.getEndKey(), RegionSplitCalculator.BYTES_COMPARATOR);</span> |
| <span class="source-line-no">088</span><span id="line-88"> cc = cc.compare(sr1.tiebreaker, sr2.tiebreaker);</span> |
| <span class="source-line-no">089</span><span id="line-89"> return cc.result();</span> |
| <span class="source-line-no">090</span><span id="line-90"> }</span> |
| <span class="source-line-no">091</span><span id="line-91"> };</span> |
| <span class="source-line-no">092</span><span id="line-92"></span> |
| <span class="source-line-no">093</span><span id="line-93"> /**</span> |
| <span class="source-line-no">094</span><span id="line-94"> * Check the "depth" (number of regions included at a split) of a generated split calculation</span> |
| <span class="source-line-no">095</span><span id="line-95"> */</span> |
| <span class="source-line-no">096</span><span id="line-96"> void checkDepths(SortedSet<byte[]> splits, Multimap<byte[], SimpleRange> regions,</span> |
| <span class="source-line-no">097</span><span id="line-97"> Integer... depths) {</span> |
| <span class="source-line-no">098</span><span id="line-98"> assertEquals(splits.size(), depths.length);</span> |
| <span class="source-line-no">099</span><span id="line-99"> int i = 0;</span> |
| <span class="source-line-no">100</span><span id="line-100"> for (byte[] k : splits) {</span> |
| <span class="source-line-no">101</span><span id="line-101"> Collection<SimpleRange> rs = regions.get(k);</span> |
| <span class="source-line-no">102</span><span id="line-102"> int sz = rs == null ? 0 : rs.size();</span> |
| <span class="source-line-no">103</span><span id="line-103"> assertEquals((int) depths[i], sz);</span> |
| <span class="source-line-no">104</span><span id="line-104"> i++;</span> |
| <span class="source-line-no">105</span><span id="line-105"> }</span> |
| <span class="source-line-no">106</span><span id="line-106"> }</span> |
| <span class="source-line-no">107</span><span id="line-107"></span> |
| <span class="source-line-no">108</span><span id="line-108"> /**</span> |
| <span class="source-line-no">109</span><span id="line-109"> * This dumps data in a visually reasonable way for visual debugging. It has the basic iteration</span> |
| <span class="source-line-no">110</span><span id="line-110"> * structure.</span> |
| <span class="source-line-no">111</span><span id="line-111"> */</span> |
| <span class="source-line-no">112</span><span id="line-112"> String dump(SortedSet<byte[]> splits, Multimap<byte[], SimpleRange> regions) {</span> |
| <span class="source-line-no">113</span><span id="line-113"> // we display this way because the last end key should be displayed as well.</span> |
| <span class="source-line-no">114</span><span id="line-114"> StringBuilder sb = new StringBuilder();</span> |
| <span class="source-line-no">115</span><span id="line-115"> for (byte[] k : splits) {</span> |
| <span class="source-line-no">116</span><span id="line-116"> sb.append(Bytes.toString(k)).append(":\t");</span> |
| <span class="source-line-no">117</span><span id="line-117"> for (SimpleRange r : regions.get(k)) {</span> |
| <span class="source-line-no">118</span><span id="line-118"> sb.append(r.toString()).append("\t");</span> |
| <span class="source-line-no">119</span><span id="line-119"> }</span> |
| <span class="source-line-no">120</span><span id="line-120"> sb.append("\n");</span> |
| <span class="source-line-no">121</span><span id="line-121"> }</span> |
| <span class="source-line-no">122</span><span id="line-122"> String s = sb.toString();</span> |
| <span class="source-line-no">123</span><span id="line-123"> LOG.info("\n" + s);</span> |
| <span class="source-line-no">124</span><span id="line-124"> return s;</span> |
| <span class="source-line-no">125</span><span id="line-125"> }</span> |
| <span class="source-line-no">126</span><span id="line-126"></span> |
| <span class="source-line-no">127</span><span id="line-127"> @Test</span> |
| <span class="source-line-no">128</span><span id="line-128"> public void testSplitCalculator() {</span> |
| <span class="source-line-no">129</span><span id="line-129"> SimpleRange a = new SimpleRange(Bytes.toBytes("A"), Bytes.toBytes("B"));</span> |
| <span class="source-line-no">130</span><span id="line-130"> SimpleRange b = new SimpleRange(Bytes.toBytes("B"), Bytes.toBytes("C"));</span> |
| <span class="source-line-no">131</span><span id="line-131"> SimpleRange c = new SimpleRange(Bytes.toBytes("C"), Bytes.toBytes("D"));</span> |
| <span class="source-line-no">132</span><span id="line-132"> RegionSplitCalculator<SimpleRange> sc = new RegionSplitCalculator<>(cmp);</span> |
| <span class="source-line-no">133</span><span id="line-133"> sc.add(a);</span> |
| <span class="source-line-no">134</span><span id="line-134"> sc.add(b);</span> |
| <span class="source-line-no">135</span><span id="line-135"> sc.add(c);</span> |
| <span class="source-line-no">136</span><span id="line-136"></span> |
| <span class="source-line-no">137</span><span id="line-137"> Multimap<byte[], SimpleRange> regions = sc.calcCoverage();</span> |
| <span class="source-line-no">138</span><span id="line-138"> LOG.info("Standard");</span> |
| <span class="source-line-no">139</span><span id="line-139"> String res = dump(sc.getSplits(), regions);</span> |
| <span class="source-line-no">140</span><span id="line-140"> checkDepths(sc.getSplits(), regions, 1, 1, 1, 0);</span> |
| <span class="source-line-no">141</span><span id="line-141"> assertEquals("A:\t[A, B]\t\n" + "B:\t[B, C]\t\n" + "C:\t[C, D]\t\nD:\t\n", res);</span> |
| <span class="source-line-no">142</span><span id="line-142"> }</span> |
| <span class="source-line-no">143</span><span id="line-143"></span> |
| <span class="source-line-no">144</span><span id="line-144"> @Test</span> |
| <span class="source-line-no">145</span><span id="line-145"> public void testSplitCalculatorNoEdge() {</span> |
| <span class="source-line-no">146</span><span id="line-146"> RegionSplitCalculator<SimpleRange> sc = new RegionSplitCalculator<>(cmp);</span> |
| <span class="source-line-no">147</span><span id="line-147"></span> |
| <span class="source-line-no">148</span><span id="line-148"> Multimap<byte[], SimpleRange> regions = sc.calcCoverage();</span> |
| <span class="source-line-no">149</span><span id="line-149"> LOG.info("Empty");</span> |
| <span class="source-line-no">150</span><span id="line-150"> String res = dump(sc.getSplits(), regions);</span> |
| <span class="source-line-no">151</span><span id="line-151"> checkDepths(sc.getSplits(), regions);</span> |
| <span class="source-line-no">152</span><span id="line-152"> assertEquals("", res);</span> |
| <span class="source-line-no">153</span><span id="line-153"> }</span> |
| <span class="source-line-no">154</span><span id="line-154"></span> |
| <span class="source-line-no">155</span><span id="line-155"> @Test</span> |
| <span class="source-line-no">156</span><span id="line-156"> public void testSplitCalculatorSingleEdge() {</span> |
| <span class="source-line-no">157</span><span id="line-157"> SimpleRange a = new SimpleRange(Bytes.toBytes("A"), Bytes.toBytes("B"));</span> |
| <span class="source-line-no">158</span><span id="line-158"> RegionSplitCalculator<SimpleRange> sc = new RegionSplitCalculator<>(cmp);</span> |
| <span class="source-line-no">159</span><span id="line-159"> sc.add(a);</span> |
| <span class="source-line-no">160</span><span id="line-160"></span> |
| <span class="source-line-no">161</span><span id="line-161"> Multimap<byte[], SimpleRange> regions = sc.calcCoverage();</span> |
| <span class="source-line-no">162</span><span id="line-162"> LOG.info("Single edge");</span> |
| <span class="source-line-no">163</span><span id="line-163"> String res = dump(sc.getSplits(), regions);</span> |
| <span class="source-line-no">164</span><span id="line-164"> checkDepths(sc.getSplits(), regions, 1, 0);</span> |
| <span class="source-line-no">165</span><span id="line-165"> assertEquals("A:\t[A, B]\t\n" + "B:\t\n", res);</span> |
| <span class="source-line-no">166</span><span id="line-166"> }</span> |
| <span class="source-line-no">167</span><span id="line-167"></span> |
| <span class="source-line-no">168</span><span id="line-168"> @Test</span> |
| <span class="source-line-no">169</span><span id="line-169"> public void testSplitCalculatorDegenerateEdge() {</span> |
| <span class="source-line-no">170</span><span id="line-170"> SimpleRange a = new SimpleRange(Bytes.toBytes("A"), Bytes.toBytes("A"));</span> |
| <span class="source-line-no">171</span><span id="line-171"> RegionSplitCalculator<SimpleRange> sc = new RegionSplitCalculator<>(cmp);</span> |
| <span class="source-line-no">172</span><span id="line-172"> sc.add(a);</span> |
| <span class="source-line-no">173</span><span id="line-173"></span> |
| <span class="source-line-no">174</span><span id="line-174"> Multimap<byte[], SimpleRange> regions = sc.calcCoverage();</span> |
| <span class="source-line-no">175</span><span id="line-175"> LOG.info("Single empty edge");</span> |
| <span class="source-line-no">176</span><span id="line-176"> String res = dump(sc.getSplits(), regions);</span> |
| <span class="source-line-no">177</span><span id="line-177"> checkDepths(sc.getSplits(), regions, 1);</span> |
| <span class="source-line-no">178</span><span id="line-178"> assertEquals("A:\t[A, A]\t\n", res);</span> |
| <span class="source-line-no">179</span><span id="line-179"> }</span> |
| <span class="source-line-no">180</span><span id="line-180"></span> |
| <span class="source-line-no">181</span><span id="line-181"> @Test</span> |
| <span class="source-line-no">182</span><span id="line-182"> public void testSplitCalculatorCoverSplit() {</span> |
| <span class="source-line-no">183</span><span id="line-183"> SimpleRange a = new SimpleRange(Bytes.toBytes("A"), Bytes.toBytes("B"));</span> |
| <span class="source-line-no">184</span><span id="line-184"> SimpleRange b = new SimpleRange(Bytes.toBytes("B"), Bytes.toBytes("C"));</span> |
| <span class="source-line-no">185</span><span id="line-185"> SimpleRange c = new SimpleRange(Bytes.toBytes("A"), Bytes.toBytes("C"));</span> |
| <span class="source-line-no">186</span><span id="line-186"> RegionSplitCalculator<SimpleRange> sc = new RegionSplitCalculator<>(cmp);</span> |
| <span class="source-line-no">187</span><span id="line-187"> sc.add(a);</span> |
| <span class="source-line-no">188</span><span id="line-188"> sc.add(b);</span> |
| <span class="source-line-no">189</span><span id="line-189"> sc.add(c);</span> |
| <span class="source-line-no">190</span><span id="line-190"></span> |
| <span class="source-line-no">191</span><span id="line-191"> Multimap<byte[], SimpleRange> regions = sc.calcCoverage();</span> |
| <span class="source-line-no">192</span><span id="line-192"> LOG.info("AC covers AB, BC");</span> |
| <span class="source-line-no">193</span><span id="line-193"> String res = dump(sc.getSplits(), regions);</span> |
| <span class="source-line-no">194</span><span id="line-194"> checkDepths(sc.getSplits(), regions, 2, 2, 0);</span> |
| <span class="source-line-no">195</span><span id="line-195"> assertEquals("A:\t[A, B]\t[A, C]\t\n" + "B:\t[A, C]\t[B, C]\t\n" + "C:\t\n", res);</span> |
| <span class="source-line-no">196</span><span id="line-196"> }</span> |
| <span class="source-line-no">197</span><span id="line-197"></span> |
| <span class="source-line-no">198</span><span id="line-198"> @Test</span> |
| <span class="source-line-no">199</span><span id="line-199"> public void testSplitCalculatorOverEndpoint() {</span> |
| <span class="source-line-no">200</span><span id="line-200"> SimpleRange a = new SimpleRange(Bytes.toBytes("A"), Bytes.toBytes("B"));</span> |
| <span class="source-line-no">201</span><span id="line-201"> SimpleRange b = new SimpleRange(Bytes.toBytes("B"), Bytes.toBytes("C"));</span> |
| <span class="source-line-no">202</span><span id="line-202"> SimpleRange c = new SimpleRange(Bytes.toBytes("B"), Bytes.toBytes("D"));</span> |
| <span class="source-line-no">203</span><span id="line-203"> RegionSplitCalculator<SimpleRange> sc = new RegionSplitCalculator<>(cmp);</span> |
| <span class="source-line-no">204</span><span id="line-204"> sc.add(a);</span> |
| <span class="source-line-no">205</span><span id="line-205"> sc.add(b);</span> |
| <span class="source-line-no">206</span><span id="line-206"> sc.add(c);</span> |
| <span class="source-line-no">207</span><span id="line-207"></span> |
| <span class="source-line-no">208</span><span id="line-208"> Multimap<byte[], SimpleRange> regions = sc.calcCoverage();</span> |
| <span class="source-line-no">209</span><span id="line-209"> LOG.info("AB, BD covers BC");</span> |
| <span class="source-line-no">210</span><span id="line-210"> String res = dump(sc.getSplits(), regions);</span> |
| <span class="source-line-no">211</span><span id="line-211"> checkDepths(sc.getSplits(), regions, 1, 2, 1, 0);</span> |
| <span class="source-line-no">212</span><span id="line-212"> assertEquals("A:\t[A, B]\t\n" + "B:\t[B, C]\t[B, D]\t\n" + "C:\t[B, D]\t\n" + "D:\t\n", res);</span> |
| <span class="source-line-no">213</span><span id="line-213"> }</span> |
| <span class="source-line-no">214</span><span id="line-214"></span> |
| <span class="source-line-no">215</span><span id="line-215"> @Test</span> |
| <span class="source-line-no">216</span><span id="line-216"> public void testSplitCalculatorHoles() {</span> |
| <span class="source-line-no">217</span><span id="line-217"> SimpleRange a = new SimpleRange(Bytes.toBytes("A"), Bytes.toBytes("B"));</span> |
| <span class="source-line-no">218</span><span id="line-218"> SimpleRange b = new SimpleRange(Bytes.toBytes("B"), Bytes.toBytes("C"));</span> |
| <span class="source-line-no">219</span><span id="line-219"> SimpleRange c = new SimpleRange(Bytes.toBytes("E"), Bytes.toBytes("F"));</span> |
| <span class="source-line-no">220</span><span id="line-220"> RegionSplitCalculator<SimpleRange> sc = new RegionSplitCalculator<>(cmp);</span> |
| <span class="source-line-no">221</span><span id="line-221"> sc.add(a);</span> |
| <span class="source-line-no">222</span><span id="line-222"> sc.add(b);</span> |
| <span class="source-line-no">223</span><span id="line-223"> sc.add(c);</span> |
| <span class="source-line-no">224</span><span id="line-224"></span> |
| <span class="source-line-no">225</span><span id="line-225"> Multimap<byte[], SimpleRange> regions = sc.calcCoverage();</span> |
| <span class="source-line-no">226</span><span id="line-226"> LOG.info("Hole between C and E");</span> |
| <span class="source-line-no">227</span><span id="line-227"> String res = dump(sc.getSplits(), regions);</span> |
| <span class="source-line-no">228</span><span id="line-228"> checkDepths(sc.getSplits(), regions, 1, 1, 0, 1, 0);</span> |
| <span class="source-line-no">229</span><span id="line-229"> assertEquals("A:\t[A, B]\t\n" + "B:\t[B, C]\t\n" + "C:\t\n" + "E:\t[E, F]\t\n" + "F:\t\n", res);</span> |
| <span class="source-line-no">230</span><span id="line-230"> }</span> |
| <span class="source-line-no">231</span><span id="line-231"></span> |
| <span class="source-line-no">232</span><span id="line-232"> @Test</span> |
| <span class="source-line-no">233</span><span id="line-233"> public void testSplitCalculatorOverreach() {</span> |
| <span class="source-line-no">234</span><span id="line-234"> SimpleRange a = new SimpleRange(Bytes.toBytes("A"), Bytes.toBytes("C"));</span> |
| <span class="source-line-no">235</span><span id="line-235"> SimpleRange b = new SimpleRange(Bytes.toBytes("B"), Bytes.toBytes("D"));</span> |
| <span class="source-line-no">236</span><span id="line-236"> RegionSplitCalculator<SimpleRange> sc = new RegionSplitCalculator<>(cmp);</span> |
| <span class="source-line-no">237</span><span id="line-237"> sc.add(a);</span> |
| <span class="source-line-no">238</span><span id="line-238"> sc.add(b);</span> |
| <span class="source-line-no">239</span><span id="line-239"></span> |
| <span class="source-line-no">240</span><span id="line-240"> Multimap<byte[], SimpleRange> regions = sc.calcCoverage();</span> |
| <span class="source-line-no">241</span><span id="line-241"> LOG.info("AC and BD overlap but share no start/end keys");</span> |
| <span class="source-line-no">242</span><span id="line-242"> String res = dump(sc.getSplits(), regions);</span> |
| <span class="source-line-no">243</span><span id="line-243"> checkDepths(sc.getSplits(), regions, 1, 2, 1, 0);</span> |
| <span class="source-line-no">244</span><span id="line-244"> assertEquals("A:\t[A, C]\t\n" + "B:\t[A, C]\t[B, D]\t\n" + "C:\t[B, D]\t\n" + "D:\t\n", res);</span> |
| <span class="source-line-no">245</span><span id="line-245"> }</span> |
| <span class="source-line-no">246</span><span id="line-246"></span> |
| <span class="source-line-no">247</span><span id="line-247"> @Test</span> |
| <span class="source-line-no">248</span><span id="line-248"> public void testSplitCalculatorFloor() {</span> |
| <span class="source-line-no">249</span><span id="line-249"> SimpleRange a = new SimpleRange(Bytes.toBytes("A"), Bytes.toBytes("C"));</span> |
| <span class="source-line-no">250</span><span id="line-250"> SimpleRange b = new SimpleRange(Bytes.toBytes("A"), Bytes.toBytes("B"));</span> |
| <span class="source-line-no">251</span><span id="line-251"> RegionSplitCalculator<SimpleRange> sc = new RegionSplitCalculator<>(cmp);</span> |
| <span class="source-line-no">252</span><span id="line-252"> sc.add(a);</span> |
| <span class="source-line-no">253</span><span id="line-253"> sc.add(b);</span> |
| <span class="source-line-no">254</span><span id="line-254"></span> |
| <span class="source-line-no">255</span><span id="line-255"> Multimap<byte[], SimpleRange> regions = sc.calcCoverage();</span> |
| <span class="source-line-no">256</span><span id="line-256"> LOG.info("AC and AB overlap in the beginning");</span> |
| <span class="source-line-no">257</span><span id="line-257"> String res = dump(sc.getSplits(), regions);</span> |
| <span class="source-line-no">258</span><span id="line-258"> checkDepths(sc.getSplits(), regions, 2, 1, 0);</span> |
| <span class="source-line-no">259</span><span id="line-259"> assertEquals("A:\t[A, B]\t[A, C]\t\n" + "B:\t[A, C]\t\n" + "C:\t\n", res);</span> |
| <span class="source-line-no">260</span><span id="line-260"> }</span> |
| <span class="source-line-no">261</span><span id="line-261"></span> |
| <span class="source-line-no">262</span><span id="line-262"> @Test</span> |
| <span class="source-line-no">263</span><span id="line-263"> public void testSplitCalculatorCeil() {</span> |
| <span class="source-line-no">264</span><span id="line-264"> SimpleRange a = new SimpleRange(Bytes.toBytes("A"), Bytes.toBytes("C"));</span> |
| <span class="source-line-no">265</span><span id="line-265"> SimpleRange b = new SimpleRange(Bytes.toBytes("B"), Bytes.toBytes("C"));</span> |
| <span class="source-line-no">266</span><span id="line-266"> RegionSplitCalculator<SimpleRange> sc = new RegionSplitCalculator<>(cmp);</span> |
| <span class="source-line-no">267</span><span id="line-267"> sc.add(a);</span> |
| <span class="source-line-no">268</span><span id="line-268"> sc.add(b);</span> |
| <span class="source-line-no">269</span><span id="line-269"></span> |
| <span class="source-line-no">270</span><span id="line-270"> Multimap<byte[], SimpleRange> regions = sc.calcCoverage();</span> |
| <span class="source-line-no">271</span><span id="line-271"> LOG.info("AC and BC overlap in the end");</span> |
| <span class="source-line-no">272</span><span id="line-272"> String res = dump(sc.getSplits(), regions);</span> |
| <span class="source-line-no">273</span><span id="line-273"> checkDepths(sc.getSplits(), regions, 1, 2, 0);</span> |
| <span class="source-line-no">274</span><span id="line-274"> assertEquals("A:\t[A, C]\t\n" + "B:\t[A, C]\t[B, C]\t\n" + "C:\t\n", res);</span> |
| <span class="source-line-no">275</span><span id="line-275"> }</span> |
| <span class="source-line-no">276</span><span id="line-276"></span> |
| <span class="source-line-no">277</span><span id="line-277"> @Test</span> |
| <span class="source-line-no">278</span><span id="line-278"> public void testSplitCalculatorEq() {</span> |
| <span class="source-line-no">279</span><span id="line-279"> SimpleRange a = new SimpleRange(Bytes.toBytes("A"), Bytes.toBytes("C"));</span> |
| <span class="source-line-no">280</span><span id="line-280"> SimpleRange b = new SimpleRange(Bytes.toBytes("A"), Bytes.toBytes("C"));</span> |
| <span class="source-line-no">281</span><span id="line-281"></span> |
| <span class="source-line-no">282</span><span id="line-282"> LOG.info(a.tiebreaker + " - " + b.tiebreaker);</span> |
| <span class="source-line-no">283</span><span id="line-283"> RegionSplitCalculator<SimpleRange> sc = new RegionSplitCalculator<>(cmp);</span> |
| <span class="source-line-no">284</span><span id="line-284"> sc.add(a);</span> |
| <span class="source-line-no">285</span><span id="line-285"> sc.add(b);</span> |
| <span class="source-line-no">286</span><span id="line-286"></span> |
| <span class="source-line-no">287</span><span id="line-287"> Multimap<byte[], SimpleRange> regions = sc.calcCoverage();</span> |
| <span class="source-line-no">288</span><span id="line-288"> LOG.info("AC and AC overlap completely");</span> |
| <span class="source-line-no">289</span><span id="line-289"> String res = dump(sc.getSplits(), regions);</span> |
| <span class="source-line-no">290</span><span id="line-290"> checkDepths(sc.getSplits(), regions, 2, 0);</span> |
| <span class="source-line-no">291</span><span id="line-291"> assertEquals("A:\t[A, C]\t[A, C]\t\n" + "C:\t\n", res);</span> |
| <span class="source-line-no">292</span><span id="line-292"> }</span> |
| <span class="source-line-no">293</span><span id="line-293"></span> |
| <span class="source-line-no">294</span><span id="line-294"> @Test</span> |
| <span class="source-line-no">295</span><span id="line-295"> public void testSplitCalculatorBackwards() {</span> |
| <span class="source-line-no">296</span><span id="line-296"> SimpleRange a = new SimpleRange(Bytes.toBytes("C"), Bytes.toBytes("A"));</span> |
| <span class="source-line-no">297</span><span id="line-297"> RegionSplitCalculator<SimpleRange> sc = new RegionSplitCalculator<>(cmp);</span> |
| <span class="source-line-no">298</span><span id="line-298"> sc.add(a);</span> |
| <span class="source-line-no">299</span><span id="line-299"></span> |
| <span class="source-line-no">300</span><span id="line-300"> Multimap<byte[], SimpleRange> regions = sc.calcCoverage();</span> |
| <span class="source-line-no">301</span><span id="line-301"> LOG.info("CA is backwards");</span> |
| <span class="source-line-no">302</span><span id="line-302"> String res = dump(sc.getSplits(), regions);</span> |
| <span class="source-line-no">303</span><span id="line-303"> checkDepths(sc.getSplits(), regions); // expect nothing</span> |
| <span class="source-line-no">304</span><span id="line-304"> assertEquals("", res);</span> |
| <span class="source-line-no">305</span><span id="line-305"> }</span> |
| <span class="source-line-no">306</span><span id="line-306"></span> |
| <span class="source-line-no">307</span><span id="line-307"> @Test</span> |
| <span class="source-line-no">308</span><span id="line-308"> public void testComplex() {</span> |
| <span class="source-line-no">309</span><span id="line-309"> RegionSplitCalculator<SimpleRange> sc = new RegionSplitCalculator<>(cmp);</span> |
| <span class="source-line-no">310</span><span id="line-310"> sc.add(new SimpleRange(Bytes.toBytes("A"), Bytes.toBytes("Am")));</span> |
| <span class="source-line-no">311</span><span id="line-311"> sc.add(new SimpleRange(Bytes.toBytes("A"), Bytes.toBytes("C")));</span> |
| <span class="source-line-no">312</span><span id="line-312"> sc.add(new SimpleRange(Bytes.toBytes("Am"), Bytes.toBytes("C")));</span> |
| <span class="source-line-no">313</span><span id="line-313"> sc.add(new SimpleRange(Bytes.toBytes("D"), Bytes.toBytes("E")));</span> |
| <span class="source-line-no">314</span><span id="line-314"> sc.add(new SimpleRange(Bytes.toBytes("F"), Bytes.toBytes("G")));</span> |
| <span class="source-line-no">315</span><span id="line-315"> sc.add(new SimpleRange(Bytes.toBytes("B"), Bytes.toBytes("E")));</span> |
| <span class="source-line-no">316</span><span id="line-316"> sc.add(new SimpleRange(Bytes.toBytes("H"), Bytes.toBytes("I")));</span> |
| <span class="source-line-no">317</span><span id="line-317"> sc.add(new SimpleRange(Bytes.toBytes("A"), Bytes.toBytes("B")));</span> |
| <span class="source-line-no">318</span><span id="line-318"></span> |
| <span class="source-line-no">319</span><span id="line-319"> Multimap<byte[], SimpleRange> regions = sc.calcCoverage();</span> |
| <span class="source-line-no">320</span><span id="line-320"> LOG.info("Something fairly complex");</span> |
| <span class="source-line-no">321</span><span id="line-321"> String res = dump(sc.getSplits(), regions);</span> |
| <span class="source-line-no">322</span><span id="line-322"> checkDepths(sc.getSplits(), regions, 3, 3, 3, 1, 2, 0, 1, 0, 1, 0);</span> |
| <span class="source-line-no">323</span><span id="line-323"> assertEquals("A:\t[A, Am]\t[A, B]\t[A, C]\t\n" + "Am:\t[A, B]\t[A, C]\t[Am, C]\t\n"</span> |
| <span class="source-line-no">324</span><span id="line-324"> + "B:\t[A, C]\t[Am, C]\t[B, E]\t\n" + "C:\t[B, E]\t\n" + "D:\t[B, E]\t[D, E]\t\n" + "E:\t\n"</span> |
| <span class="source-line-no">325</span><span id="line-325"> + "F:\t[F, G]\t\n" + "G:\t\n" + "H:\t[H, I]\t\n" + "I:\t\n", res);</span> |
| <span class="source-line-no">326</span><span id="line-326"> }</span> |
| <span class="source-line-no">327</span><span id="line-327"></span> |
| <span class="source-line-no">328</span><span id="line-328"> @Test</span> |
| <span class="source-line-no">329</span><span id="line-329"> public void testBeginEndMarker() {</span> |
| <span class="source-line-no">330</span><span id="line-330"> RegionSplitCalculator<SimpleRange> sc = new RegionSplitCalculator<>(cmp);</span> |
| <span class="source-line-no">331</span><span id="line-331"> sc.add(new SimpleRange(Bytes.toBytes(""), Bytes.toBytes("A")));</span> |
| <span class="source-line-no">332</span><span id="line-332"> sc.add(new SimpleRange(Bytes.toBytes("A"), Bytes.toBytes("B")));</span> |
| <span class="source-line-no">333</span><span id="line-333"> sc.add(new SimpleRange(Bytes.toBytes("B"), Bytes.toBytes("")));</span> |
| <span class="source-line-no">334</span><span id="line-334"></span> |
| <span class="source-line-no">335</span><span id="line-335"> Multimap<byte[], SimpleRange> regions = sc.calcCoverage();</span> |
| <span class="source-line-no">336</span><span id="line-336"> LOG.info("Special cases -- empty");</span> |
| <span class="source-line-no">337</span><span id="line-337"> String res = dump(sc.getSplits(), regions);</span> |
| <span class="source-line-no">338</span><span id="line-338"> checkDepths(sc.getSplits(), regions, 1, 1, 1, 0);</span> |
| <span class="source-line-no">339</span><span id="line-339"> assertEquals(":\t[, A]\t\n" + "A:\t[A, B]\t\n" + "B:\t[B, ]\t\n" + "null:\t\n", res);</span> |
| <span class="source-line-no">340</span><span id="line-340"> }</span> |
| <span class="source-line-no">341</span><span id="line-341"></span> |
| <span class="source-line-no">342</span><span id="line-342"> @Test</span> |
| <span class="source-line-no">343</span><span id="line-343"> public void testBigRanges() {</span> |
| <span class="source-line-no">344</span><span id="line-344"> SimpleRange ai = new SimpleRange(Bytes.toBytes("A"), Bytes.toBytes("I"));</span> |
| <span class="source-line-no">345</span><span id="line-345"> SimpleRange ae = new SimpleRange(Bytes.toBytes("A"), Bytes.toBytes("E"));</span> |
| <span class="source-line-no">346</span><span id="line-346"> SimpleRange ac = new SimpleRange(Bytes.toBytes("A"), Bytes.toBytes("C"));</span> |
| <span class="source-line-no">347</span><span id="line-347"></span> |
| <span class="source-line-no">348</span><span id="line-348"> Collection<SimpleRange> bigOverlap = new ArrayList<>(8);</span> |
| <span class="source-line-no">349</span><span id="line-349"> bigOverlap.add(new SimpleRange(Bytes.toBytes("A"), Bytes.toBytes("E")));</span> |
| <span class="source-line-no">350</span><span id="line-350"> bigOverlap.add(new SimpleRange(Bytes.toBytes("A"), Bytes.toBytes("C")));</span> |
| <span class="source-line-no">351</span><span id="line-351"> bigOverlap.add(new SimpleRange(Bytes.toBytes("A"), Bytes.toBytes("B")));</span> |
| <span class="source-line-no">352</span><span id="line-352"> bigOverlap.add(new SimpleRange(Bytes.toBytes("B"), Bytes.toBytes("C")));</span> |
| <span class="source-line-no">353</span><span id="line-353"> bigOverlap.add(new SimpleRange(Bytes.toBytes("E"), Bytes.toBytes("H")));</span> |
| <span class="source-line-no">354</span><span id="line-354"> bigOverlap.add(ai);</span> |
| <span class="source-line-no">355</span><span id="line-355"> bigOverlap.add(ae);</span> |
| <span class="source-line-no">356</span><span id="line-356"> bigOverlap.add(ac);</span> |
| <span class="source-line-no">357</span><span id="line-357"></span> |
| <span class="source-line-no">358</span><span id="line-358"> // Expect 1 range to be returned: ai</span> |
| <span class="source-line-no">359</span><span id="line-359"> List<SimpleRange> bigRanges = RegionSplitCalculator.findBigRanges(bigOverlap, 1);</span> |
| <span class="source-line-no">360</span><span id="line-360"> assertEquals(1, bigRanges.size());</span> |
| <span class="source-line-no">361</span><span id="line-361"> assertEquals(ai, bigRanges.get(0));</span> |
| <span class="source-line-no">362</span><span id="line-362"></span> |
| <span class="source-line-no">363</span><span id="line-363"> // Expect 3 ranges to be returned: ai, ae and ac</span> |
| <span class="source-line-no">364</span><span id="line-364"> bigRanges = RegionSplitCalculator.findBigRanges(bigOverlap, 3);</span> |
| <span class="source-line-no">365</span><span id="line-365"> assertEquals(3, bigRanges.size());</span> |
| <span class="source-line-no">366</span><span id="line-366"> assertEquals(ai, bigRanges.get(0));</span> |
| <span class="source-line-no">367</span><span id="line-367"></span> |
| <span class="source-line-no">368</span><span id="line-368"> SimpleRange r1 = bigRanges.get(1);</span> |
| <span class="source-line-no">369</span><span id="line-369"> SimpleRange r2 = bigRanges.get(2);</span> |
| <span class="source-line-no">370</span><span id="line-370"> assertEquals("A", Bytes.toString(r1.start));</span> |
| <span class="source-line-no">371</span><span id="line-371"> assertEquals("A", Bytes.toString(r2.start));</span> |
| <span class="source-line-no">372</span><span id="line-372"> String r1e = Bytes.toString(r1.end);</span> |
| <span class="source-line-no">373</span><span id="line-373"> String r2e = Bytes.toString(r2.end);</span> |
| <span class="source-line-no">374</span><span id="line-374"> assertTrue((r1e.equals("C") && r2e.equals("E")) || (r1e.equals("E") && r2e.equals("C")));</span> |
| <span class="source-line-no">375</span><span id="line-375"> }</span> |
| <span class="source-line-no">376</span><span id="line-376"></span> |
| <span class="source-line-no">377</span><span id="line-377">}</span> |
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