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| <pre><span class="sourceLineNo">001</span>/**<a name="line.1"></a> |
| <span class="sourceLineNo">002</span> * Licensed to the Apache Software Foundation (ASF) under one<a name="line.2"></a> |
| <span class="sourceLineNo">003</span> * or more contributor license agreements. See the NOTICE file<a name="line.3"></a> |
| <span class="sourceLineNo">004</span> * distributed with this work for additional information<a name="line.4"></a> |
| <span class="sourceLineNo">005</span> * regarding copyright ownership. The ASF licenses this file<a name="line.5"></a> |
| <span class="sourceLineNo">006</span> * to you under the Apache License, Version 2.0 (the<a name="line.6"></a> |
| <span class="sourceLineNo">007</span> * "License"); you may not use this file except in compliance<a name="line.7"></a> |
| <span class="sourceLineNo">008</span> * with the License. You may obtain a copy of the License at<a name="line.8"></a> |
| <span class="sourceLineNo">009</span> *<a name="line.9"></a> |
| <span class="sourceLineNo">010</span> * http://www.apache.org/licenses/LICENSE-2.0<a name="line.10"></a> |
| <span class="sourceLineNo">011</span> *<a name="line.11"></a> |
| <span class="sourceLineNo">012</span> * Unless required by applicable law or agreed to in writing, software<a name="line.12"></a> |
| <span class="sourceLineNo">013</span> * distributed under the License is distributed on an "AS IS" BASIS,<a name="line.13"></a> |
| <span class="sourceLineNo">014</span> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.<a name="line.14"></a> |
| <span class="sourceLineNo">015</span> * See the License for the specific language governing permissions and<a name="line.15"></a> |
| <span class="sourceLineNo">016</span> * limitations under the License.<a name="line.16"></a> |
| <span class="sourceLineNo">017</span> */<a name="line.17"></a> |
| <span class="sourceLineNo">018</span>package org.apache.hadoop.hbase.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.assertTrue;<a name="line.21"></a> |
| <span class="sourceLineNo">022</span><a name="line.22"></a> |
| <span class="sourceLineNo">023</span>import java.util.ArrayList;<a name="line.23"></a> |
| <span class="sourceLineNo">024</span>import java.util.Collection;<a name="line.24"></a> |
| <span class="sourceLineNo">025</span>import java.util.Comparator;<a name="line.25"></a> |
| <span class="sourceLineNo">026</span>import java.util.List;<a name="line.26"></a> |
| <span class="sourceLineNo">027</span>import java.util.SortedSet;<a name="line.27"></a> |
| <span class="sourceLineNo">028</span>import java.util.UUID;<a name="line.28"></a> |
| <span class="sourceLineNo">029</span>import org.apache.hadoop.hbase.HBaseClassTestRule;<a name="line.29"></a> |
| <span class="sourceLineNo">030</span>import org.apache.hadoop.hbase.HBaseTestingUtility;<a name="line.30"></a> |
| <span class="sourceLineNo">031</span>import org.apache.hadoop.hbase.testclassification.MiscTests;<a name="line.31"></a> |
| <span class="sourceLineNo">032</span>import org.apache.hadoop.hbase.testclassification.SmallTests;<a name="line.32"></a> |
| <span class="sourceLineNo">033</span>import org.junit.ClassRule;<a name="line.33"></a> |
| <span class="sourceLineNo">034</span>import org.junit.Test;<a name="line.34"></a> |
| <span class="sourceLineNo">035</span>import org.junit.experimental.categories.Category;<a name="line.35"></a> |
| <span class="sourceLineNo">036</span>import org.slf4j.Logger;<a name="line.36"></a> |
| <span class="sourceLineNo">037</span>import org.slf4j.LoggerFactory;<a name="line.37"></a> |
| <span class="sourceLineNo">038</span><a name="line.38"></a> |
| <span class="sourceLineNo">039</span>import org.apache.hbase.thirdparty.com.google.common.collect.ComparisonChain;<a name="line.39"></a> |
| <span class="sourceLineNo">040</span>import org.apache.hbase.thirdparty.com.google.common.collect.Multimap;<a name="line.40"></a> |
| <span class="sourceLineNo">041</span><a name="line.41"></a> |
| <span class="sourceLineNo">042</span>@Category({MiscTests.class, SmallTests.class})<a name="line.42"></a> |
| <span class="sourceLineNo">043</span>public class TestRegionSplitCalculator {<a name="line.43"></a> |
| <span class="sourceLineNo">044</span><a name="line.44"></a> |
| <span class="sourceLineNo">045</span> @ClassRule<a name="line.45"></a> |
| <span class="sourceLineNo">046</span> public static final HBaseClassTestRule CLASS_RULE =<a name="line.46"></a> |
| <span class="sourceLineNo">047</span> HBaseClassTestRule.forClass(TestRegionSplitCalculator.class);<a name="line.47"></a> |
| <span class="sourceLineNo">048</span><a name="line.48"></a> |
| <span class="sourceLineNo">049</span> private static final Logger LOG = LoggerFactory.getLogger(TestRegionSplitCalculator.class);<a name="line.49"></a> |
| <span class="sourceLineNo">050</span> public static final HBaseTestingUtility TEST_UTIL = new HBaseTestingUtility();<a name="line.50"></a> |
| <span class="sourceLineNo">051</span> /**<a name="line.51"></a> |
| <span class="sourceLineNo">052</span> * This is range uses a user specified start and end keys. It also has an<a name="line.52"></a> |
| <span class="sourceLineNo">053</span> * extra tiebreaker so that different ranges with the same start/end key pair<a name="line.53"></a> |
| <span class="sourceLineNo">054</span> * count as different regions.<a name="line.54"></a> |
| <span class="sourceLineNo">055</span> */<a name="line.55"></a> |
| <span class="sourceLineNo">056</span> static class SimpleRange implements KeyRange {<a name="line.56"></a> |
| <span class="sourceLineNo">057</span> byte[] start, end;<a name="line.57"></a> |
| <span class="sourceLineNo">058</span> UUID tiebreaker;<a name="line.58"></a> |
| <span class="sourceLineNo">059</span><a name="line.59"></a> |
| <span class="sourceLineNo">060</span> SimpleRange(byte[] start, byte[] end) {<a name="line.60"></a> |
| <span class="sourceLineNo">061</span> this.start = start;<a name="line.61"></a> |
| <span class="sourceLineNo">062</span> this.end = end;<a name="line.62"></a> |
| <span class="sourceLineNo">063</span> this.tiebreaker = TEST_UTIL.getRandomUUID();<a name="line.63"></a> |
| <span class="sourceLineNo">064</span> }<a name="line.64"></a> |
| <span class="sourceLineNo">065</span><a name="line.65"></a> |
| <span class="sourceLineNo">066</span> @Override<a name="line.66"></a> |
| <span class="sourceLineNo">067</span> public byte[] getStartKey() {<a name="line.67"></a> |
| <span class="sourceLineNo">068</span> return start;<a name="line.68"></a> |
| <span class="sourceLineNo">069</span> }<a name="line.69"></a> |
| <span class="sourceLineNo">070</span><a name="line.70"></a> |
| <span class="sourceLineNo">071</span> @Override<a name="line.71"></a> |
| <span class="sourceLineNo">072</span> public byte[] getEndKey() {<a name="line.72"></a> |
| <span class="sourceLineNo">073</span> return end;<a name="line.73"></a> |
| <span class="sourceLineNo">074</span> }<a name="line.74"></a> |
| <span class="sourceLineNo">075</span><a name="line.75"></a> |
| <span class="sourceLineNo">076</span> @Override<a name="line.76"></a> |
| <span class="sourceLineNo">077</span> public String toString() {<a name="line.77"></a> |
| <span class="sourceLineNo">078</span> return "[" + Bytes.toString(start) + ", " + Bytes.toString(end) + "]";<a name="line.78"></a> |
| <span class="sourceLineNo">079</span> }<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> Comparator<SimpleRange> cmp = new Comparator<SimpleRange>() {<a name="line.82"></a> |
| <span class="sourceLineNo">083</span> @Override<a name="line.83"></a> |
| <span class="sourceLineNo">084</span> public int compare(SimpleRange sr1, SimpleRange sr2) {<a name="line.84"></a> |
| <span class="sourceLineNo">085</span> ComparisonChain cc = ComparisonChain.start();<a name="line.85"></a> |
| <span class="sourceLineNo">086</span> cc = cc.compare(sr1.getStartKey(), sr2.getStartKey(),<a name="line.86"></a> |
| <span class="sourceLineNo">087</span> Bytes.BYTES_COMPARATOR);<a name="line.87"></a> |
| <span class="sourceLineNo">088</span> cc = cc.compare(sr1.getEndKey(), sr2.getEndKey(),<a name="line.88"></a> |
| <span class="sourceLineNo">089</span> RegionSplitCalculator.BYTES_COMPARATOR);<a name="line.89"></a> |
| <span class="sourceLineNo">090</span> cc = cc.compare(sr1.tiebreaker, sr2.tiebreaker);<a name="line.90"></a> |
| <span class="sourceLineNo">091</span> return cc.result();<a name="line.91"></a> |
| <span class="sourceLineNo">092</span> }<a name="line.92"></a> |
| <span class="sourceLineNo">093</span> };<a name="line.93"></a> |
| <span class="sourceLineNo">094</span><a name="line.94"></a> |
| <span class="sourceLineNo">095</span> /**<a name="line.95"></a> |
| <span class="sourceLineNo">096</span> * Check the "depth" (number of regions included at a split) of a generated<a name="line.96"></a> |
| <span class="sourceLineNo">097</span> * split calculation<a name="line.97"></a> |
| <span class="sourceLineNo">098</span> */<a name="line.98"></a> |
| <span class="sourceLineNo">099</span> void checkDepths(SortedSet<byte[]> splits,<a name="line.99"></a> |
| <span class="sourceLineNo">100</span> Multimap<byte[], SimpleRange> regions, Integer... depths) {<a name="line.100"></a> |
| <span class="sourceLineNo">101</span> assertEquals(splits.size(), depths.length);<a name="line.101"></a> |
| <span class="sourceLineNo">102</span> int i = 0;<a name="line.102"></a> |
| <span class="sourceLineNo">103</span> for (byte[] k : splits) {<a name="line.103"></a> |
| <span class="sourceLineNo">104</span> Collection<SimpleRange> rs = regions.get(k);<a name="line.104"></a> |
| <span class="sourceLineNo">105</span> int sz = rs == null ? 0 : rs.size();<a name="line.105"></a> |
| <span class="sourceLineNo">106</span> assertEquals((int) depths[i], sz);<a name="line.106"></a> |
| <span class="sourceLineNo">107</span> i++;<a name="line.107"></a> |
| <span class="sourceLineNo">108</span> }<a name="line.108"></a> |
| <span class="sourceLineNo">109</span> }<a name="line.109"></a> |
| <span class="sourceLineNo">110</span><a name="line.110"></a> |
| <span class="sourceLineNo">111</span> /**<a name="line.111"></a> |
| <span class="sourceLineNo">112</span> * This dumps data in a visually reasonable way for visual debugging. It has<a name="line.112"></a> |
| <span class="sourceLineNo">113</span> * the basic iteration structure.<a name="line.113"></a> |
| <span class="sourceLineNo">114</span> */<a name="line.114"></a> |
| <span class="sourceLineNo">115</span> String dump(SortedSet<byte[]> splits, Multimap<byte[], SimpleRange> regions) {<a name="line.115"></a> |
| <span class="sourceLineNo">116</span> // we display this way because the last end key should be displayed as well.<a name="line.116"></a> |
| <span class="sourceLineNo">117</span> StringBuilder sb = new StringBuilder();<a name="line.117"></a> |
| <span class="sourceLineNo">118</span> for (byte[] k : splits) {<a name="line.118"></a> |
| <span class="sourceLineNo">119</span> sb.append(Bytes.toString(k)).append(":\t");<a name="line.119"></a> |
| <span class="sourceLineNo">120</span> for (SimpleRange r : regions.get(k)) {<a name="line.120"></a> |
| <span class="sourceLineNo">121</span> sb.append(r.toString()).append("\t");<a name="line.121"></a> |
| <span class="sourceLineNo">122</span> }<a name="line.122"></a> |
| <span class="sourceLineNo">123</span> sb.append("\n");<a name="line.123"></a> |
| <span class="sourceLineNo">124</span> }<a name="line.124"></a> |
| <span class="sourceLineNo">125</span> String s = sb.toString();<a name="line.125"></a> |
| <span class="sourceLineNo">126</span> LOG.info("\n" + s);<a name="line.126"></a> |
| <span class="sourceLineNo">127</span> return s;<a name="line.127"></a> |
| <span class="sourceLineNo">128</span> }<a name="line.128"></a> |
| <span class="sourceLineNo">129</span><a name="line.129"></a> |
| <span class="sourceLineNo">130</span> @Test<a name="line.130"></a> |
| <span class="sourceLineNo">131</span> public void testSplitCalculator() {<a name="line.131"></a> |
| <span class="sourceLineNo">132</span> SimpleRange a = new SimpleRange(Bytes.toBytes("A"), Bytes.toBytes("B"));<a name="line.132"></a> |
| <span class="sourceLineNo">133</span> SimpleRange b = new SimpleRange(Bytes.toBytes("B"), Bytes.toBytes("C"));<a name="line.133"></a> |
| <span class="sourceLineNo">134</span> SimpleRange c = new SimpleRange(Bytes.toBytes("C"), Bytes.toBytes("D"));<a name="line.134"></a> |
| <span class="sourceLineNo">135</span> RegionSplitCalculator<SimpleRange> sc = new RegionSplitCalculator<>(cmp);<a name="line.135"></a> |
| <span class="sourceLineNo">136</span> sc.add(a);<a name="line.136"></a> |
| <span class="sourceLineNo">137</span> sc.add(b);<a name="line.137"></a> |
| <span class="sourceLineNo">138</span> sc.add(c);<a name="line.138"></a> |
| <span class="sourceLineNo">139</span><a name="line.139"></a> |
| <span class="sourceLineNo">140</span> Multimap<byte[], SimpleRange> regions = sc.calcCoverage();<a name="line.140"></a> |
| <span class="sourceLineNo">141</span> LOG.info("Standard");<a name="line.141"></a> |
| <span class="sourceLineNo">142</span> String res = dump(sc.getSplits(), regions);<a name="line.142"></a> |
| <span class="sourceLineNo">143</span> checkDepths(sc.getSplits(), regions, 1, 1, 1, 0);<a name="line.143"></a> |
| <span class="sourceLineNo">144</span> assertEquals("A:\t[A, B]\t\n" + "B:\t[B, C]\t\n" + "C:\t[C, D]\t\nD:\t\n", res);<a name="line.144"></a> |
| <span class="sourceLineNo">145</span> }<a name="line.145"></a> |
| <span class="sourceLineNo">146</span><a name="line.146"></a> |
| <span class="sourceLineNo">147</span> @Test<a name="line.147"></a> |
| <span class="sourceLineNo">148</span> public void testSplitCalculatorNoEdge() {<a name="line.148"></a> |
| <span class="sourceLineNo">149</span> RegionSplitCalculator<SimpleRange> sc = new RegionSplitCalculator<>(cmp);<a name="line.149"></a> |
| <span class="sourceLineNo">150</span><a name="line.150"></a> |
| <span class="sourceLineNo">151</span> Multimap<byte[], SimpleRange> regions = sc.calcCoverage();<a name="line.151"></a> |
| <span class="sourceLineNo">152</span> LOG.info("Empty");<a name="line.152"></a> |
| <span class="sourceLineNo">153</span> String res = dump(sc.getSplits(), regions);<a name="line.153"></a> |
| <span class="sourceLineNo">154</span> checkDepths(sc.getSplits(), regions);<a name="line.154"></a> |
| <span class="sourceLineNo">155</span> assertEquals("", res);<a name="line.155"></a> |
| <span class="sourceLineNo">156</span> }<a name="line.156"></a> |
| <span class="sourceLineNo">157</span><a name="line.157"></a> |
| <span class="sourceLineNo">158</span> @Test<a name="line.158"></a> |
| <span class="sourceLineNo">159</span> public void testSplitCalculatorSingleEdge() {<a name="line.159"></a> |
| <span class="sourceLineNo">160</span> SimpleRange a = new SimpleRange(Bytes.toBytes("A"), Bytes.toBytes("B"));<a name="line.160"></a> |
| <span class="sourceLineNo">161</span> RegionSplitCalculator<SimpleRange> sc = new RegionSplitCalculator<>(cmp);<a name="line.161"></a> |
| <span class="sourceLineNo">162</span> sc.add(a);<a name="line.162"></a> |
| <span class="sourceLineNo">163</span><a name="line.163"></a> |
| <span class="sourceLineNo">164</span> Multimap<byte[], SimpleRange> regions = sc.calcCoverage();<a name="line.164"></a> |
| <span class="sourceLineNo">165</span> LOG.info("Single edge");<a name="line.165"></a> |
| <span class="sourceLineNo">166</span> String res = dump(sc.getSplits(), regions);<a name="line.166"></a> |
| <span class="sourceLineNo">167</span> checkDepths(sc.getSplits(), regions, 1, 0);<a name="line.167"></a> |
| <span class="sourceLineNo">168</span> assertEquals("A:\t[A, B]\t\n" + "B:\t\n", res);<a name="line.168"></a> |
| <span class="sourceLineNo">169</span> }<a name="line.169"></a> |
| <span class="sourceLineNo">170</span><a name="line.170"></a> |
| <span class="sourceLineNo">171</span> @Test<a name="line.171"></a> |
| <span class="sourceLineNo">172</span> public void testSplitCalculatorDegenerateEdge() {<a name="line.172"></a> |
| <span class="sourceLineNo">173</span> SimpleRange a = new SimpleRange(Bytes.toBytes("A"), Bytes.toBytes("A"));<a name="line.173"></a> |
| <span class="sourceLineNo">174</span> RegionSplitCalculator<SimpleRange> sc = new RegionSplitCalculator<>(cmp);<a name="line.174"></a> |
| <span class="sourceLineNo">175</span> sc.add(a);<a name="line.175"></a> |
| <span class="sourceLineNo">176</span><a name="line.176"></a> |
| <span class="sourceLineNo">177</span> Multimap<byte[], SimpleRange> regions = sc.calcCoverage();<a name="line.177"></a> |
| <span class="sourceLineNo">178</span> LOG.info("Single empty edge");<a name="line.178"></a> |
| <span class="sourceLineNo">179</span> String res = dump(sc.getSplits(), regions);<a name="line.179"></a> |
| <span class="sourceLineNo">180</span> checkDepths(sc.getSplits(), regions, 1);<a name="line.180"></a> |
| <span class="sourceLineNo">181</span> assertEquals("A:\t[A, A]\t\n", res);<a name="line.181"></a> |
| <span class="sourceLineNo">182</span> }<a name="line.182"></a> |
| <span class="sourceLineNo">183</span><a name="line.183"></a> |
| <span class="sourceLineNo">184</span> @Test<a name="line.184"></a> |
| <span class="sourceLineNo">185</span> public void testSplitCalculatorCoverSplit() {<a name="line.185"></a> |
| <span class="sourceLineNo">186</span> SimpleRange a = new SimpleRange(Bytes.toBytes("A"), Bytes.toBytes("B"));<a name="line.186"></a> |
| <span class="sourceLineNo">187</span> SimpleRange b = new SimpleRange(Bytes.toBytes("B"), Bytes.toBytes("C"));<a name="line.187"></a> |
| <span class="sourceLineNo">188</span> SimpleRange c = new SimpleRange(Bytes.toBytes("A"), Bytes.toBytes("C"));<a name="line.188"></a> |
| <span class="sourceLineNo">189</span> RegionSplitCalculator<SimpleRange> sc = new RegionSplitCalculator<>(cmp);<a name="line.189"></a> |
| <span class="sourceLineNo">190</span> sc.add(a);<a name="line.190"></a> |
| <span class="sourceLineNo">191</span> sc.add(b);<a name="line.191"></a> |
| <span class="sourceLineNo">192</span> sc.add(c);<a name="line.192"></a> |
| <span class="sourceLineNo">193</span><a name="line.193"></a> |
| <span class="sourceLineNo">194</span> Multimap<byte[], SimpleRange> regions = sc.calcCoverage();<a name="line.194"></a> |
| <span class="sourceLineNo">195</span> LOG.info("AC covers AB, BC");<a name="line.195"></a> |
| <span class="sourceLineNo">196</span> String res = dump(sc.getSplits(), regions);<a name="line.196"></a> |
| <span class="sourceLineNo">197</span> checkDepths(sc.getSplits(), regions, 2, 2, 0);<a name="line.197"></a> |
| <span class="sourceLineNo">198</span> assertEquals("A:\t[A, B]\t[A, C]\t\n" + "B:\t[A, C]\t[B, C]\t\n"<a name="line.198"></a> |
| <span class="sourceLineNo">199</span> + "C:\t\n", res);<a name="line.199"></a> |
| <span class="sourceLineNo">200</span> }<a name="line.200"></a> |
| <span class="sourceLineNo">201</span><a name="line.201"></a> |
| <span class="sourceLineNo">202</span> @Test<a name="line.202"></a> |
| <span class="sourceLineNo">203</span> public void testSplitCalculatorOverEndpoint() {<a name="line.203"></a> |
| <span class="sourceLineNo">204</span> SimpleRange a = new SimpleRange(Bytes.toBytes("A"), Bytes.toBytes("B"));<a name="line.204"></a> |
| <span class="sourceLineNo">205</span> SimpleRange b = new SimpleRange(Bytes.toBytes("B"), Bytes.toBytes("C"));<a name="line.205"></a> |
| <span class="sourceLineNo">206</span> SimpleRange c = new SimpleRange(Bytes.toBytes("B"), Bytes.toBytes("D"));<a name="line.206"></a> |
| <span class="sourceLineNo">207</span> RegionSplitCalculator<SimpleRange> sc = new RegionSplitCalculator<>(cmp);<a name="line.207"></a> |
| <span class="sourceLineNo">208</span> sc.add(a);<a name="line.208"></a> |
| <span class="sourceLineNo">209</span> sc.add(b);<a name="line.209"></a> |
| <span class="sourceLineNo">210</span> sc.add(c);<a name="line.210"></a> |
| <span class="sourceLineNo">211</span><a name="line.211"></a> |
| <span class="sourceLineNo">212</span> Multimap<byte[], SimpleRange> regions = sc.calcCoverage();<a name="line.212"></a> |
| <span class="sourceLineNo">213</span> LOG.info("AB, BD covers BC");<a name="line.213"></a> |
| <span class="sourceLineNo">214</span> String res = dump(sc.getSplits(), regions);<a name="line.214"></a> |
| <span class="sourceLineNo">215</span> checkDepths(sc.getSplits(), regions, 1, 2, 1, 0);<a name="line.215"></a> |
| <span class="sourceLineNo">216</span> assertEquals("A:\t[A, B]\t\n" + "B:\t[B, C]\t[B, D]\t\n"<a name="line.216"></a> |
| <span class="sourceLineNo">217</span> + "C:\t[B, D]\t\n" + "D:\t\n", res);<a name="line.217"></a> |
| <span class="sourceLineNo">218</span> }<a name="line.218"></a> |
| <span class="sourceLineNo">219</span><a name="line.219"></a> |
| <span class="sourceLineNo">220</span> @Test<a name="line.220"></a> |
| <span class="sourceLineNo">221</span> public void testSplitCalculatorHoles() {<a name="line.221"></a> |
| <span class="sourceLineNo">222</span> SimpleRange a = new SimpleRange(Bytes.toBytes("A"), Bytes.toBytes("B"));<a name="line.222"></a> |
| <span class="sourceLineNo">223</span> SimpleRange b = new SimpleRange(Bytes.toBytes("B"), Bytes.toBytes("C"));<a name="line.223"></a> |
| <span class="sourceLineNo">224</span> SimpleRange c = new SimpleRange(Bytes.toBytes("E"), Bytes.toBytes("F"));<a name="line.224"></a> |
| <span class="sourceLineNo">225</span> RegionSplitCalculator<SimpleRange> sc = new RegionSplitCalculator<>(cmp);<a name="line.225"></a> |
| <span class="sourceLineNo">226</span> sc.add(a);<a name="line.226"></a> |
| <span class="sourceLineNo">227</span> sc.add(b);<a name="line.227"></a> |
| <span class="sourceLineNo">228</span> sc.add(c);<a name="line.228"></a> |
| <span class="sourceLineNo">229</span><a name="line.229"></a> |
| <span class="sourceLineNo">230</span> Multimap<byte[], SimpleRange> regions = sc.calcCoverage();<a name="line.230"></a> |
| <span class="sourceLineNo">231</span> LOG.info("Hole between C and E");<a name="line.231"></a> |
| <span class="sourceLineNo">232</span> String res = dump(sc.getSplits(), regions);<a name="line.232"></a> |
| <span class="sourceLineNo">233</span> checkDepths(sc.getSplits(), regions, 1, 1, 0, 1, 0);<a name="line.233"></a> |
| <span class="sourceLineNo">234</span> assertEquals("A:\t[A, B]\t\n" + "B:\t[B, C]\t\n" + "C:\t\n"<a name="line.234"></a> |
| <span class="sourceLineNo">235</span> + "E:\t[E, F]\t\n" + "F:\t\n", res);<a name="line.235"></a> |
| <span class="sourceLineNo">236</span> }<a name="line.236"></a> |
| <span class="sourceLineNo">237</span><a name="line.237"></a> |
| <span class="sourceLineNo">238</span> @Test<a name="line.238"></a> |
| <span class="sourceLineNo">239</span> public void testSplitCalculatorOverreach() {<a name="line.239"></a> |
| <span class="sourceLineNo">240</span> SimpleRange a = new SimpleRange(Bytes.toBytes("A"), Bytes.toBytes("C"));<a name="line.240"></a> |
| <span class="sourceLineNo">241</span> SimpleRange b = new SimpleRange(Bytes.toBytes("B"), Bytes.toBytes("D"));<a name="line.241"></a> |
| <span class="sourceLineNo">242</span> RegionSplitCalculator<SimpleRange> sc = new RegionSplitCalculator<>(cmp);<a name="line.242"></a> |
| <span class="sourceLineNo">243</span> sc.add(a);<a name="line.243"></a> |
| <span class="sourceLineNo">244</span> sc.add(b);<a name="line.244"></a> |
| <span class="sourceLineNo">245</span><a name="line.245"></a> |
| <span class="sourceLineNo">246</span> Multimap<byte[], SimpleRange> regions = sc.calcCoverage();<a name="line.246"></a> |
| <span class="sourceLineNo">247</span> LOG.info("AC and BD overlap but share no start/end keys");<a name="line.247"></a> |
| <span class="sourceLineNo">248</span> String res = dump(sc.getSplits(), regions);<a name="line.248"></a> |
| <span class="sourceLineNo">249</span> checkDepths(sc.getSplits(), regions, 1, 2, 1, 0);<a name="line.249"></a> |
| <span class="sourceLineNo">250</span> assertEquals("A:\t[A, C]\t\n" + "B:\t[A, C]\t[B, D]\t\n"<a name="line.250"></a> |
| <span class="sourceLineNo">251</span> + "C:\t[B, D]\t\n" + "D:\t\n", res);<a name="line.251"></a> |
| <span class="sourceLineNo">252</span> }<a name="line.252"></a> |
| <span class="sourceLineNo">253</span><a name="line.253"></a> |
| <span class="sourceLineNo">254</span> @Test<a name="line.254"></a> |
| <span class="sourceLineNo">255</span> public void testSplitCalculatorFloor() {<a name="line.255"></a> |
| <span class="sourceLineNo">256</span> SimpleRange a = new SimpleRange(Bytes.toBytes("A"), Bytes.toBytes("C"));<a name="line.256"></a> |
| <span class="sourceLineNo">257</span> SimpleRange b = new SimpleRange(Bytes.toBytes("A"), Bytes.toBytes("B"));<a name="line.257"></a> |
| <span class="sourceLineNo">258</span> RegionSplitCalculator<SimpleRange> sc = new RegionSplitCalculator<>(cmp);<a name="line.258"></a> |
| <span class="sourceLineNo">259</span> sc.add(a);<a name="line.259"></a> |
| <span class="sourceLineNo">260</span> sc.add(b);<a name="line.260"></a> |
| <span class="sourceLineNo">261</span><a name="line.261"></a> |
| <span class="sourceLineNo">262</span> Multimap<byte[], SimpleRange> regions = sc.calcCoverage();<a name="line.262"></a> |
| <span class="sourceLineNo">263</span> LOG.info("AC and AB overlap in the beginning");<a name="line.263"></a> |
| <span class="sourceLineNo">264</span> String res = dump(sc.getSplits(), regions);<a name="line.264"></a> |
| <span class="sourceLineNo">265</span> checkDepths(sc.getSplits(), regions, 2, 1, 0);<a name="line.265"></a> |
| <span class="sourceLineNo">266</span> assertEquals("A:\t[A, B]\t[A, C]\t\n" + "B:\t[A, C]\t\n" + "C:\t\n", res);<a name="line.266"></a> |
| <span class="sourceLineNo">267</span> }<a name="line.267"></a> |
| <span class="sourceLineNo">268</span><a name="line.268"></a> |
| <span class="sourceLineNo">269</span> @Test<a name="line.269"></a> |
| <span class="sourceLineNo">270</span> public void testSplitCalculatorCeil() {<a name="line.270"></a> |
| <span class="sourceLineNo">271</span> SimpleRange a = new SimpleRange(Bytes.toBytes("A"), Bytes.toBytes("C"));<a name="line.271"></a> |
| <span class="sourceLineNo">272</span> SimpleRange b = new SimpleRange(Bytes.toBytes("B"), Bytes.toBytes("C"));<a name="line.272"></a> |
| <span class="sourceLineNo">273</span> RegionSplitCalculator<SimpleRange> sc = new RegionSplitCalculator<>(cmp);<a name="line.273"></a> |
| <span class="sourceLineNo">274</span> sc.add(a);<a name="line.274"></a> |
| <span class="sourceLineNo">275</span> sc.add(b);<a name="line.275"></a> |
| <span class="sourceLineNo">276</span><a name="line.276"></a> |
| <span class="sourceLineNo">277</span> Multimap<byte[], SimpleRange> regions = sc.calcCoverage();<a name="line.277"></a> |
| <span class="sourceLineNo">278</span> LOG.info("AC and BC overlap in the end");<a name="line.278"></a> |
| <span class="sourceLineNo">279</span> String res = dump(sc.getSplits(), regions);<a name="line.279"></a> |
| <span class="sourceLineNo">280</span> checkDepths(sc.getSplits(), regions, 1, 2, 0);<a name="line.280"></a> |
| <span class="sourceLineNo">281</span> assertEquals("A:\t[A, C]\t\n" + "B:\t[A, C]\t[B, C]\t\n" + "C:\t\n", res);<a name="line.281"></a> |
| <span class="sourceLineNo">282</span> }<a name="line.282"></a> |
| <span class="sourceLineNo">283</span><a name="line.283"></a> |
| <span class="sourceLineNo">284</span> @Test<a name="line.284"></a> |
| <span class="sourceLineNo">285</span> public void testSplitCalculatorEq() {<a name="line.285"></a> |
| <span class="sourceLineNo">286</span> SimpleRange a = new SimpleRange(Bytes.toBytes("A"), Bytes.toBytes("C"));<a name="line.286"></a> |
| <span class="sourceLineNo">287</span> SimpleRange b = new SimpleRange(Bytes.toBytes("A"), Bytes.toBytes("C"));<a name="line.287"></a> |
| <span class="sourceLineNo">288</span><a name="line.288"></a> |
| <span class="sourceLineNo">289</span> LOG.info(a.tiebreaker + " - " + b.tiebreaker);<a name="line.289"></a> |
| <span class="sourceLineNo">290</span> RegionSplitCalculator<SimpleRange> sc = new RegionSplitCalculator<>(cmp);<a name="line.290"></a> |
| <span class="sourceLineNo">291</span> sc.add(a);<a name="line.291"></a> |
| <span class="sourceLineNo">292</span> sc.add(b);<a name="line.292"></a> |
| <span class="sourceLineNo">293</span><a name="line.293"></a> |
| <span class="sourceLineNo">294</span> Multimap<byte[], SimpleRange> regions = sc.calcCoverage();<a name="line.294"></a> |
| <span class="sourceLineNo">295</span> LOG.info("AC and AC overlap completely");<a name="line.295"></a> |
| <span class="sourceLineNo">296</span> String res = dump(sc.getSplits(), regions);<a name="line.296"></a> |
| <span class="sourceLineNo">297</span> checkDepths(sc.getSplits(), regions, 2, 0);<a name="line.297"></a> |
| <span class="sourceLineNo">298</span> assertEquals("A:\t[A, C]\t[A, C]\t\n" + "C:\t\n", res);<a name="line.298"></a> |
| <span class="sourceLineNo">299</span> }<a name="line.299"></a> |
| <span class="sourceLineNo">300</span><a name="line.300"></a> |
| <span class="sourceLineNo">301</span> @Test<a name="line.301"></a> |
| <span class="sourceLineNo">302</span> public void testSplitCalculatorBackwards() {<a name="line.302"></a> |
| <span class="sourceLineNo">303</span> SimpleRange a = new SimpleRange(Bytes.toBytes("C"), Bytes.toBytes("A"));<a name="line.303"></a> |
| <span class="sourceLineNo">304</span> RegionSplitCalculator<SimpleRange> sc = new RegionSplitCalculator<>(cmp);<a name="line.304"></a> |
| <span class="sourceLineNo">305</span> sc.add(a);<a name="line.305"></a> |
| <span class="sourceLineNo">306</span><a name="line.306"></a> |
| <span class="sourceLineNo">307</span> Multimap<byte[], SimpleRange> regions = sc.calcCoverage();<a name="line.307"></a> |
| <span class="sourceLineNo">308</span> LOG.info("CA is backwards");<a name="line.308"></a> |
| <span class="sourceLineNo">309</span> String res = dump(sc.getSplits(), regions);<a name="line.309"></a> |
| <span class="sourceLineNo">310</span> checkDepths(sc.getSplits(), regions); // expect nothing<a name="line.310"></a> |
| <span class="sourceLineNo">311</span> assertEquals("", res);<a name="line.311"></a> |
| <span class="sourceLineNo">312</span> }<a name="line.312"></a> |
| <span class="sourceLineNo">313</span><a name="line.313"></a> |
| <span class="sourceLineNo">314</span> @Test<a name="line.314"></a> |
| <span class="sourceLineNo">315</span> public void testComplex() {<a name="line.315"></a> |
| <span class="sourceLineNo">316</span> RegionSplitCalculator<SimpleRange> sc = new RegionSplitCalculator<>(cmp);<a name="line.316"></a> |
| <span class="sourceLineNo">317</span> sc.add(new SimpleRange(Bytes.toBytes("A"), Bytes.toBytes("Am")));<a name="line.317"></a> |
| <span class="sourceLineNo">318</span> sc.add(new SimpleRange(Bytes.toBytes("A"), Bytes.toBytes("C")));<a name="line.318"></a> |
| <span class="sourceLineNo">319</span> sc.add(new SimpleRange(Bytes.toBytes("Am"), Bytes.toBytes("C")));<a name="line.319"></a> |
| <span class="sourceLineNo">320</span> sc.add(new SimpleRange(Bytes.toBytes("D"), Bytes.toBytes("E")));<a name="line.320"></a> |
| <span class="sourceLineNo">321</span> sc.add(new SimpleRange(Bytes.toBytes("F"), Bytes.toBytes("G")));<a name="line.321"></a> |
| <span class="sourceLineNo">322</span> sc.add(new SimpleRange(Bytes.toBytes("B"), Bytes.toBytes("E")));<a name="line.322"></a> |
| <span class="sourceLineNo">323</span> sc.add(new SimpleRange(Bytes.toBytes("H"), Bytes.toBytes("I")));<a name="line.323"></a> |
| <span class="sourceLineNo">324</span> sc.add(new SimpleRange(Bytes.toBytes("A"), Bytes.toBytes("B")));<a name="line.324"></a> |
| <span class="sourceLineNo">325</span><a name="line.325"></a> |
| <span class="sourceLineNo">326</span> Multimap<byte[], SimpleRange> regions = sc.calcCoverage();<a name="line.326"></a> |
| <span class="sourceLineNo">327</span> LOG.info("Something fairly complex");<a name="line.327"></a> |
| <span class="sourceLineNo">328</span> String res = dump(sc.getSplits(), regions);<a name="line.328"></a> |
| <span class="sourceLineNo">329</span> checkDepths(sc.getSplits(), regions, 3, 3, 3, 1, 2, 0, 1, 0, 1, 0);<a name="line.329"></a> |
| <span class="sourceLineNo">330</span> assertEquals("A:\t[A, Am]\t[A, B]\t[A, C]\t\n"<a name="line.330"></a> |
| <span class="sourceLineNo">331</span> + "Am:\t[A, B]\t[A, C]\t[Am, C]\t\n"<a name="line.331"></a> |
| <span class="sourceLineNo">332</span> + "B:\t[A, C]\t[Am, C]\t[B, E]\t\n" + "C:\t[B, E]\t\n"<a name="line.332"></a> |
| <span class="sourceLineNo">333</span> + "D:\t[B, E]\t[D, E]\t\n" + "E:\t\n" + "F:\t[F, G]\t\n" + "G:\t\n"<a name="line.333"></a> |
| <span class="sourceLineNo">334</span> + "H:\t[H, I]\t\n" + "I:\t\n", res);<a name="line.334"></a> |
| <span class="sourceLineNo">335</span> }<a name="line.335"></a> |
| <span class="sourceLineNo">336</span><a name="line.336"></a> |
| <span class="sourceLineNo">337</span> @Test<a name="line.337"></a> |
| <span class="sourceLineNo">338</span> public void testBeginEndMarker() {<a name="line.338"></a> |
| <span class="sourceLineNo">339</span> RegionSplitCalculator<SimpleRange> sc = new RegionSplitCalculator<>(cmp);<a name="line.339"></a> |
| <span class="sourceLineNo">340</span> sc.add(new SimpleRange(Bytes.toBytes(""), Bytes.toBytes("A")));<a name="line.340"></a> |
| <span class="sourceLineNo">341</span> sc.add(new SimpleRange(Bytes.toBytes("A"), Bytes.toBytes("B")));<a name="line.341"></a> |
| <span class="sourceLineNo">342</span> sc.add(new SimpleRange(Bytes.toBytes("B"), Bytes.toBytes("")));<a name="line.342"></a> |
| <span class="sourceLineNo">343</span><a name="line.343"></a> |
| <span class="sourceLineNo">344</span> Multimap<byte[], SimpleRange> regions = sc.calcCoverage();<a name="line.344"></a> |
| <span class="sourceLineNo">345</span> LOG.info("Special cases -- empty");<a name="line.345"></a> |
| <span class="sourceLineNo">346</span> String res = dump(sc.getSplits(), regions);<a name="line.346"></a> |
| <span class="sourceLineNo">347</span> checkDepths(sc.getSplits(), regions, 1, 1, 1, 0);<a name="line.347"></a> |
| <span class="sourceLineNo">348</span> assertEquals(":\t[, A]\t\n" + "A:\t[A, B]\t\n" + "B:\t[B, ]\t\n"<a name="line.348"></a> |
| <span class="sourceLineNo">349</span> + "null:\t\n", res);<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 testBigRanges() {<a name="line.353"></a> |
| <span class="sourceLineNo">354</span> SimpleRange ai = new SimpleRange(Bytes.toBytes("A"), Bytes.toBytes("I"));<a name="line.354"></a> |
| <span class="sourceLineNo">355</span> SimpleRange ae = new SimpleRange(Bytes.toBytes("A"), Bytes.toBytes("E"));<a name="line.355"></a> |
| <span class="sourceLineNo">356</span> SimpleRange ac = new SimpleRange(Bytes.toBytes("A"), Bytes.toBytes("C"));<a name="line.356"></a> |
| <span class="sourceLineNo">357</span><a name="line.357"></a> |
| <span class="sourceLineNo">358</span> Collection<SimpleRange> bigOverlap = new ArrayList<>(8);<a name="line.358"></a> |
| <span class="sourceLineNo">359</span> bigOverlap.add(new SimpleRange(Bytes.toBytes("A"), Bytes.toBytes("E")));<a name="line.359"></a> |
| <span class="sourceLineNo">360</span> bigOverlap.add(new SimpleRange(Bytes.toBytes("A"), Bytes.toBytes("C")));<a name="line.360"></a> |
| <span class="sourceLineNo">361</span> bigOverlap.add(new SimpleRange(Bytes.toBytes("A"), Bytes.toBytes("B")));<a name="line.361"></a> |
| <span class="sourceLineNo">362</span> bigOverlap.add(new SimpleRange(Bytes.toBytes("B"), Bytes.toBytes("C")));<a name="line.362"></a> |
| <span class="sourceLineNo">363</span> bigOverlap.add(new SimpleRange(Bytes.toBytes("E"), Bytes.toBytes("H")));<a name="line.363"></a> |
| <span class="sourceLineNo">364</span> bigOverlap.add(ai);<a name="line.364"></a> |
| <span class="sourceLineNo">365</span> bigOverlap.add(ae);<a name="line.365"></a> |
| <span class="sourceLineNo">366</span> bigOverlap.add(ac);<a name="line.366"></a> |
| <span class="sourceLineNo">367</span><a name="line.367"></a> |
| <span class="sourceLineNo">368</span> // Expect 1 range to be returned: ai<a name="line.368"></a> |
| <span class="sourceLineNo">369</span> List<SimpleRange> bigRanges = RegionSplitCalculator.findBigRanges(bigOverlap, 1);<a name="line.369"></a> |
| <span class="sourceLineNo">370</span> assertEquals(1, bigRanges.size());<a name="line.370"></a> |
| <span class="sourceLineNo">371</span> assertEquals(ai, bigRanges.get(0));<a name="line.371"></a> |
| <span class="sourceLineNo">372</span><a name="line.372"></a> |
| <span class="sourceLineNo">373</span> // Expect 3 ranges to be returned: ai, ae and ac<a name="line.373"></a> |
| <span class="sourceLineNo">374</span> bigRanges = RegionSplitCalculator.findBigRanges(bigOverlap, 3);<a name="line.374"></a> |
| <span class="sourceLineNo">375</span> assertEquals(3, bigRanges.size());<a name="line.375"></a> |
| <span class="sourceLineNo">376</span> assertEquals(ai, bigRanges.get(0));<a name="line.376"></a> |
| <span class="sourceLineNo">377</span><a name="line.377"></a> |
| <span class="sourceLineNo">378</span> SimpleRange r1 = bigRanges.get(1);<a name="line.378"></a> |
| <span class="sourceLineNo">379</span> SimpleRange r2 = bigRanges.get(2);<a name="line.379"></a> |
| <span class="sourceLineNo">380</span> assertEquals("A", Bytes.toString(r1.start));<a name="line.380"></a> |
| <span class="sourceLineNo">381</span> assertEquals("A", Bytes.toString(r2.start));<a name="line.381"></a> |
| <span class="sourceLineNo">382</span> String r1e = Bytes.toString(r1.end);<a name="line.382"></a> |
| <span class="sourceLineNo">383</span> String r2e = Bytes.toString(r2.end);<a name="line.383"></a> |
| <span class="sourceLineNo">384</span> assertTrue((r1e.equals("C") && r2e.equals("E"))<a name="line.384"></a> |
| <span class="sourceLineNo">385</span> || (r1e.equals("E") && r2e.equals("C")));<a name="line.385"></a> |
| <span class="sourceLineNo">386</span> }<a name="line.386"></a> |
| <span class="sourceLineNo">387</span><a name="line.387"></a> |
| <span class="sourceLineNo">388</span>}<a name="line.388"></a> |
| <span class="sourceLineNo">389</span><a name="line.389"></a> |
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| </html> |
