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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.client;<a name="line.18"></a>
<span class="sourceLineNo">019</span><a name="line.19"></a>
<span class="sourceLineNo">020</span>import static org.hamcrest.MatcherAssert.assertThat;<a name="line.20"></a>
<span class="sourceLineNo">021</span>import static org.hamcrest.Matchers.greaterThan;<a name="line.21"></a>
<span class="sourceLineNo">022</span>import static org.hamcrest.Matchers.lessThan;<a name="line.22"></a>
<span class="sourceLineNo">023</span>import static org.junit.Assert.assertArrayEquals;<a name="line.23"></a>
<span class="sourceLineNo">024</span>import static org.junit.Assert.assertEquals;<a name="line.24"></a>
<span class="sourceLineNo">025</span>import static org.junit.Assert.assertFalse;<a name="line.25"></a>
<span class="sourceLineNo">026</span>import static org.junit.Assert.assertNull;<a name="line.26"></a>
<span class="sourceLineNo">027</span>import static org.junit.Assert.assertTrue;<a name="line.27"></a>
<span class="sourceLineNo">028</span>import static org.junit.Assert.fail;<a name="line.28"></a>
<span class="sourceLineNo">029</span><a name="line.29"></a>
<span class="sourceLineNo">030</span>import java.io.IOException;<a name="line.30"></a>
<span class="sourceLineNo">031</span>import java.nio.ByteBuffer;<a name="line.31"></a>
<span class="sourceLineNo">032</span>import java.util.ArrayList;<a name="line.32"></a>
<span class="sourceLineNo">033</span>import java.util.Arrays;<a name="line.33"></a>
<span class="sourceLineNo">034</span>import java.util.List;<a name="line.34"></a>
<span class="sourceLineNo">035</span>import org.apache.hadoop.hbase.ArrayBackedTag;<a name="line.35"></a>
<span class="sourceLineNo">036</span>import org.apache.hadoop.hbase.ByteBufferKeyValue;<a name="line.36"></a>
<span class="sourceLineNo">037</span>import org.apache.hadoop.hbase.Cell;<a name="line.37"></a>
<span class="sourceLineNo">038</span>import org.apache.hadoop.hbase.CellComparator;<a name="line.38"></a>
<span class="sourceLineNo">039</span>import org.apache.hadoop.hbase.CellScanner;<a name="line.39"></a>
<span class="sourceLineNo">040</span>import org.apache.hadoop.hbase.CellUtil;<a name="line.40"></a>
<span class="sourceLineNo">041</span>import org.apache.hadoop.hbase.HBaseClassTestRule;<a name="line.41"></a>
<span class="sourceLineNo">042</span>import org.apache.hadoop.hbase.KeyValue;<a name="line.42"></a>
<span class="sourceLineNo">043</span>import org.apache.hadoop.hbase.Tag;<a name="line.43"></a>
<span class="sourceLineNo">044</span>import org.apache.hadoop.hbase.testclassification.ClientTests;<a name="line.44"></a>
<span class="sourceLineNo">045</span>import org.apache.hadoop.hbase.testclassification.SmallTests;<a name="line.45"></a>
<span class="sourceLineNo">046</span>import org.apache.hadoop.hbase.util.ByteBufferUtils;<a name="line.46"></a>
<span class="sourceLineNo">047</span>import org.apache.hadoop.hbase.util.Bytes;<a name="line.47"></a>
<span class="sourceLineNo">048</span>import org.junit.ClassRule;<a name="line.48"></a>
<span class="sourceLineNo">049</span>import org.junit.Test;<a name="line.49"></a>
<span class="sourceLineNo">050</span>import org.junit.experimental.categories.Category;<a name="line.50"></a>
<span class="sourceLineNo">051</span>import org.slf4j.Logger;<a name="line.51"></a>
<span class="sourceLineNo">052</span>import org.slf4j.LoggerFactory;<a name="line.52"></a>
<span class="sourceLineNo">053</span><a name="line.53"></a>
<span class="sourceLineNo">054</span>@Category({ SmallTests.class, ClientTests.class })<a name="line.54"></a>
<span class="sourceLineNo">055</span>public class TestResult {<a name="line.55"></a>
<span class="sourceLineNo">056</span><a name="line.56"></a>
<span class="sourceLineNo">057</span> @ClassRule<a name="line.57"></a>
<span class="sourceLineNo">058</span> public static final HBaseClassTestRule CLASS_RULE = HBaseClassTestRule.forClass(TestResult.class);<a name="line.58"></a>
<span class="sourceLineNo">059</span><a name="line.59"></a>
<span class="sourceLineNo">060</span> private static final Logger LOG = LoggerFactory.getLogger(TestResult.class.getName());<a name="line.60"></a>
<span class="sourceLineNo">061</span><a name="line.61"></a>
<span class="sourceLineNo">062</span> static KeyValue[] genKVs(final byte[] row, final byte[] family, final byte[] value,<a name="line.62"></a>
<span class="sourceLineNo">063</span> final long timestamp, final int cols) {<a name="line.63"></a>
<span class="sourceLineNo">064</span> KeyValue[] kvs = new KeyValue[cols];<a name="line.64"></a>
<span class="sourceLineNo">065</span><a name="line.65"></a>
<span class="sourceLineNo">066</span> for (int i = 0; i &lt; cols; i++) {<a name="line.66"></a>
<span class="sourceLineNo">067</span> kvs[i] =<a name="line.67"></a>
<span class="sourceLineNo">068</span> new KeyValue(row, family, Bytes.toBytes(i), timestamp, Bytes.add(value, Bytes.toBytes(i)));<a name="line.68"></a>
<span class="sourceLineNo">069</span> }<a name="line.69"></a>
<span class="sourceLineNo">070</span> return kvs;<a name="line.70"></a>
<span class="sourceLineNo">071</span> }<a name="line.71"></a>
<span class="sourceLineNo">072</span><a name="line.72"></a>
<span class="sourceLineNo">073</span> static final byte[] row = Bytes.toBytes("row");<a name="line.73"></a>
<span class="sourceLineNo">074</span> static final byte[] family = Bytes.toBytes("family");<a name="line.74"></a>
<span class="sourceLineNo">075</span> static final byte[] value = Bytes.toBytes("value");<a name="line.75"></a>
<span class="sourceLineNo">076</span> static final byte[] qual = Bytes.toBytes("qual");<a name="line.76"></a>
<span class="sourceLineNo">077</span><a name="line.77"></a>
<span class="sourceLineNo">078</span> /**<a name="line.78"></a>
<span class="sourceLineNo">079</span> * Run some tests to ensure Result acts like a proper CellScanner.<a name="line.79"></a>
<span class="sourceLineNo">080</span> */<a name="line.80"></a>
<span class="sourceLineNo">081</span> @Test<a name="line.81"></a>
<span class="sourceLineNo">082</span> public void testResultAsCellScanner() throws IOException {<a name="line.82"></a>
<span class="sourceLineNo">083</span> Cell[] cells = genKVs(row, family, value, 1, 10);<a name="line.83"></a>
<span class="sourceLineNo">084</span> Arrays.sort(cells, CellComparator.getInstance());<a name="line.84"></a>
<span class="sourceLineNo">085</span> Result r = Result.create(cells);<a name="line.85"></a>
<span class="sourceLineNo">086</span> assertSame(r, cells);<a name="line.86"></a>
<span class="sourceLineNo">087</span> // Assert I run over same result multiple times.<a name="line.87"></a>
<span class="sourceLineNo">088</span> assertSame(r.cellScanner(), cells);<a name="line.88"></a>
<span class="sourceLineNo">089</span> assertSame(r.cellScanner(), cells);<a name="line.89"></a>
<span class="sourceLineNo">090</span> // Assert we are not creating new object when doing cellscanner<a name="line.90"></a>
<span class="sourceLineNo">091</span> assertTrue(r == r.cellScanner());<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> private void assertSame(final CellScanner cellScanner, final Cell[] cells) throws IOException {<a name="line.94"></a>
<span class="sourceLineNo">095</span> int count = 0;<a name="line.95"></a>
<span class="sourceLineNo">096</span> while (cellScanner.advance()) {<a name="line.96"></a>
<span class="sourceLineNo">097</span> assertTrue(cells[count].equals(cellScanner.current()));<a name="line.97"></a>
<span class="sourceLineNo">098</span> count++;<a name="line.98"></a>
<span class="sourceLineNo">099</span> }<a name="line.99"></a>
<span class="sourceLineNo">100</span> assertEquals(cells.length, count);<a name="line.100"></a>
<span class="sourceLineNo">101</span> }<a name="line.101"></a>
<span class="sourceLineNo">102</span><a name="line.102"></a>
<span class="sourceLineNo">103</span> @Test<a name="line.103"></a>
<span class="sourceLineNo">104</span> public void testBasicGetColumn() throws Exception {<a name="line.104"></a>
<span class="sourceLineNo">105</span> KeyValue[] kvs = genKVs(row, family, value, 1, 100);<a name="line.105"></a>
<span class="sourceLineNo">106</span><a name="line.106"></a>
<span class="sourceLineNo">107</span> Arrays.sort(kvs, CellComparator.getInstance());<a name="line.107"></a>
<span class="sourceLineNo">108</span><a name="line.108"></a>
<span class="sourceLineNo">109</span> Result r = Result.create(kvs);<a name="line.109"></a>
<span class="sourceLineNo">110</span><a name="line.110"></a>
<span class="sourceLineNo">111</span> for (int i = 0; i &lt; 100; ++i) {<a name="line.111"></a>
<span class="sourceLineNo">112</span> final byte[] qf = Bytes.toBytes(i);<a name="line.112"></a>
<span class="sourceLineNo">113</span><a name="line.113"></a>
<span class="sourceLineNo">114</span> List&lt;Cell&gt; ks = r.getColumnCells(family, qf);<a name="line.114"></a>
<span class="sourceLineNo">115</span> assertEquals(1, ks.size());<a name="line.115"></a>
<span class="sourceLineNo">116</span> assertTrue(CellUtil.matchingQualifier(ks.get(0), qf));<a name="line.116"></a>
<span class="sourceLineNo">117</span> assertEquals(ks.get(0), r.getColumnLatestCell(family, qf));<a name="line.117"></a>
<span class="sourceLineNo">118</span> }<a name="line.118"></a>
<span class="sourceLineNo">119</span> }<a name="line.119"></a>
<span class="sourceLineNo">120</span><a name="line.120"></a>
<span class="sourceLineNo">121</span> @Test<a name="line.121"></a>
<span class="sourceLineNo">122</span> public void testCurrentOnEmptyCell() throws IOException {<a name="line.122"></a>
<span class="sourceLineNo">123</span> Result r = Result.create(new Cell[0]);<a name="line.123"></a>
<span class="sourceLineNo">124</span> assertFalse(r.advance());<a name="line.124"></a>
<span class="sourceLineNo">125</span> assertNull(r.current());<a name="line.125"></a>
<span class="sourceLineNo">126</span> }<a name="line.126"></a>
<span class="sourceLineNo">127</span><a name="line.127"></a>
<span class="sourceLineNo">128</span> @Test<a name="line.128"></a>
<span class="sourceLineNo">129</span> public void testAdvanceMultipleOnEmptyCell() throws IOException {<a name="line.129"></a>
<span class="sourceLineNo">130</span> Result r = Result.create(new Cell[0]);<a name="line.130"></a>
<span class="sourceLineNo">131</span> // After HBASE-26688, advance of result with empty cell list will always return false.<a name="line.131"></a>
<span class="sourceLineNo">132</span> // Here 10 is an arbitrary number to test the logic.<a name="line.132"></a>
<span class="sourceLineNo">133</span> for (int i = 0; i &lt; 10; i++) {<a name="line.133"></a>
<span class="sourceLineNo">134</span> assertFalse(r.advance());<a name="line.134"></a>
<span class="sourceLineNo">135</span> }<a name="line.135"></a>
<span class="sourceLineNo">136</span> }<a name="line.136"></a>
<span class="sourceLineNo">137</span><a name="line.137"></a>
<span class="sourceLineNo">138</span> @Test<a name="line.138"></a>
<span class="sourceLineNo">139</span> public void testMultiVersionGetColumn() throws Exception {<a name="line.139"></a>
<span class="sourceLineNo">140</span> KeyValue[] kvs1 = genKVs(row, family, value, 1, 100);<a name="line.140"></a>
<span class="sourceLineNo">141</span> KeyValue[] kvs2 = genKVs(row, family, value, 200, 100);<a name="line.141"></a>
<span class="sourceLineNo">142</span><a name="line.142"></a>
<span class="sourceLineNo">143</span> KeyValue[] kvs = new KeyValue[kvs1.length + kvs2.length];<a name="line.143"></a>
<span class="sourceLineNo">144</span> System.arraycopy(kvs1, 0, kvs, 0, kvs1.length);<a name="line.144"></a>
<span class="sourceLineNo">145</span> System.arraycopy(kvs2, 0, kvs, kvs1.length, kvs2.length);<a name="line.145"></a>
<span class="sourceLineNo">146</span><a name="line.146"></a>
<span class="sourceLineNo">147</span> Arrays.sort(kvs, CellComparator.getInstance());<a name="line.147"></a>
<span class="sourceLineNo">148</span><a name="line.148"></a>
<span class="sourceLineNo">149</span> Result r = Result.create(kvs);<a name="line.149"></a>
<span class="sourceLineNo">150</span> for (int i = 0; i &lt; 100; ++i) {<a name="line.150"></a>
<span class="sourceLineNo">151</span> final byte[] qf = Bytes.toBytes(i);<a name="line.151"></a>
<span class="sourceLineNo">152</span><a name="line.152"></a>
<span class="sourceLineNo">153</span> List&lt;Cell&gt; ks = r.getColumnCells(family, qf);<a name="line.153"></a>
<span class="sourceLineNo">154</span> assertEquals(2, ks.size());<a name="line.154"></a>
<span class="sourceLineNo">155</span> assertTrue(CellUtil.matchingQualifier(ks.get(0), qf));<a name="line.155"></a>
<span class="sourceLineNo">156</span> assertEquals(200, ks.get(0).getTimestamp());<a name="line.156"></a>
<span class="sourceLineNo">157</span> assertEquals(ks.get(0), r.getColumnLatestCell(family, qf));<a name="line.157"></a>
<span class="sourceLineNo">158</span> }<a name="line.158"></a>
<span class="sourceLineNo">159</span> }<a name="line.159"></a>
<span class="sourceLineNo">160</span><a name="line.160"></a>
<span class="sourceLineNo">161</span> @Test<a name="line.161"></a>
<span class="sourceLineNo">162</span> public void testBasicGetValue() throws Exception {<a name="line.162"></a>
<span class="sourceLineNo">163</span> KeyValue[] kvs = genKVs(row, family, value, 1, 100);<a name="line.163"></a>
<span class="sourceLineNo">164</span><a name="line.164"></a>
<span class="sourceLineNo">165</span> Arrays.sort(kvs, CellComparator.getInstance());<a name="line.165"></a>
<span class="sourceLineNo">166</span><a name="line.166"></a>
<span class="sourceLineNo">167</span> Result r = Result.create(kvs);<a name="line.167"></a>
<span class="sourceLineNo">168</span><a name="line.168"></a>
<span class="sourceLineNo">169</span> for (int i = 0; i &lt; 100; ++i) {<a name="line.169"></a>
<span class="sourceLineNo">170</span> final byte[] qf = Bytes.toBytes(i);<a name="line.170"></a>
<span class="sourceLineNo">171</span><a name="line.171"></a>
<span class="sourceLineNo">172</span> assertArrayEquals(Bytes.add(value, Bytes.toBytes(i)), r.getValue(family, qf));<a name="line.172"></a>
<span class="sourceLineNo">173</span> assertTrue(r.containsColumn(family, qf));<a name="line.173"></a>
<span class="sourceLineNo">174</span> }<a name="line.174"></a>
<span class="sourceLineNo">175</span> }<a name="line.175"></a>
<span class="sourceLineNo">176</span><a name="line.176"></a>
<span class="sourceLineNo">177</span> @Test<a name="line.177"></a>
<span class="sourceLineNo">178</span> public void testMultiVersionGetValue() throws Exception {<a name="line.178"></a>
<span class="sourceLineNo">179</span> KeyValue[] kvs1 = genKVs(row, family, value, 1, 100);<a name="line.179"></a>
<span class="sourceLineNo">180</span> KeyValue[] kvs2 = genKVs(row, family, value, 200, 100);<a name="line.180"></a>
<span class="sourceLineNo">181</span><a name="line.181"></a>
<span class="sourceLineNo">182</span> KeyValue[] kvs = new KeyValue[kvs1.length + kvs2.length];<a name="line.182"></a>
<span class="sourceLineNo">183</span> System.arraycopy(kvs1, 0, kvs, 0, kvs1.length);<a name="line.183"></a>
<span class="sourceLineNo">184</span> System.arraycopy(kvs2, 0, kvs, kvs1.length, kvs2.length);<a name="line.184"></a>
<span class="sourceLineNo">185</span><a name="line.185"></a>
<span class="sourceLineNo">186</span> Arrays.sort(kvs, CellComparator.getInstance());<a name="line.186"></a>
<span class="sourceLineNo">187</span><a name="line.187"></a>
<span class="sourceLineNo">188</span> Result r = Result.create(kvs);<a name="line.188"></a>
<span class="sourceLineNo">189</span> for (int i = 0; i &lt; 100; ++i) {<a name="line.189"></a>
<span class="sourceLineNo">190</span> final byte[] qf = Bytes.toBytes(i);<a name="line.190"></a>
<span class="sourceLineNo">191</span><a name="line.191"></a>
<span class="sourceLineNo">192</span> assertArrayEquals(Bytes.add(value, Bytes.toBytes(i)), r.getValue(family, qf));<a name="line.192"></a>
<span class="sourceLineNo">193</span> assertTrue(r.containsColumn(family, qf));<a name="line.193"></a>
<span class="sourceLineNo">194</span> }<a name="line.194"></a>
<span class="sourceLineNo">195</span> }<a name="line.195"></a>
<span class="sourceLineNo">196</span><a name="line.196"></a>
<span class="sourceLineNo">197</span> @Test<a name="line.197"></a>
<span class="sourceLineNo">198</span> public void testBasicLoadValue() throws Exception {<a name="line.198"></a>
<span class="sourceLineNo">199</span> KeyValue[] kvs = genKVs(row, family, value, 1, 100);<a name="line.199"></a>
<span class="sourceLineNo">200</span><a name="line.200"></a>
<span class="sourceLineNo">201</span> Arrays.sort(kvs, CellComparator.getInstance());<a name="line.201"></a>
<span class="sourceLineNo">202</span><a name="line.202"></a>
<span class="sourceLineNo">203</span> Result r = Result.create(kvs);<a name="line.203"></a>
<span class="sourceLineNo">204</span> ByteBuffer loadValueBuffer = ByteBuffer.allocate(1024);<a name="line.204"></a>
<span class="sourceLineNo">205</span><a name="line.205"></a>
<span class="sourceLineNo">206</span> for (int i = 0; i &lt; 100; ++i) {<a name="line.206"></a>
<span class="sourceLineNo">207</span> final byte[] qf = Bytes.toBytes(i);<a name="line.207"></a>
<span class="sourceLineNo">208</span><a name="line.208"></a>
<span class="sourceLineNo">209</span> loadValueBuffer.clear();<a name="line.209"></a>
<span class="sourceLineNo">210</span> r.loadValue(family, qf, loadValueBuffer);<a name="line.210"></a>
<span class="sourceLineNo">211</span> loadValueBuffer.flip();<a name="line.211"></a>
<span class="sourceLineNo">212</span> assertEquals(loadValueBuffer, ByteBuffer.wrap(Bytes.add(value, Bytes.toBytes(i))));<a name="line.212"></a>
<span class="sourceLineNo">213</span> assertEquals(ByteBuffer.wrap(Bytes.add(value, Bytes.toBytes(i))),<a name="line.213"></a>
<span class="sourceLineNo">214</span> r.getValueAsByteBuffer(family, qf));<a name="line.214"></a>
<span class="sourceLineNo">215</span> }<a name="line.215"></a>
<span class="sourceLineNo">216</span> }<a name="line.216"></a>
<span class="sourceLineNo">217</span><a name="line.217"></a>
<span class="sourceLineNo">218</span> @Test<a name="line.218"></a>
<span class="sourceLineNo">219</span> public void testMultiVersionLoadValue() throws Exception {<a name="line.219"></a>
<span class="sourceLineNo">220</span> KeyValue[] kvs1 = genKVs(row, family, value, 1, 100);<a name="line.220"></a>
<span class="sourceLineNo">221</span> KeyValue[] kvs2 = genKVs(row, family, value, 200, 100);<a name="line.221"></a>
<span class="sourceLineNo">222</span><a name="line.222"></a>
<span class="sourceLineNo">223</span> KeyValue[] kvs = new KeyValue[kvs1.length + kvs2.length];<a name="line.223"></a>
<span class="sourceLineNo">224</span> System.arraycopy(kvs1, 0, kvs, 0, kvs1.length);<a name="line.224"></a>
<span class="sourceLineNo">225</span> System.arraycopy(kvs2, 0, kvs, kvs1.length, kvs2.length);<a name="line.225"></a>
<span class="sourceLineNo">226</span><a name="line.226"></a>
<span class="sourceLineNo">227</span> Arrays.sort(kvs, CellComparator.getInstance());<a name="line.227"></a>
<span class="sourceLineNo">228</span><a name="line.228"></a>
<span class="sourceLineNo">229</span> ByteBuffer loadValueBuffer = ByteBuffer.allocate(1024);<a name="line.229"></a>
<span class="sourceLineNo">230</span><a name="line.230"></a>
<span class="sourceLineNo">231</span> Result r = Result.create(kvs);<a name="line.231"></a>
<span class="sourceLineNo">232</span> for (int i = 0; i &lt; 100; ++i) {<a name="line.232"></a>
<span class="sourceLineNo">233</span> final byte[] qf = Bytes.toBytes(i);<a name="line.233"></a>
<span class="sourceLineNo">234</span><a name="line.234"></a>
<span class="sourceLineNo">235</span> loadValueBuffer.clear();<a name="line.235"></a>
<span class="sourceLineNo">236</span> r.loadValue(family, qf, loadValueBuffer);<a name="line.236"></a>
<span class="sourceLineNo">237</span> loadValueBuffer.flip();<a name="line.237"></a>
<span class="sourceLineNo">238</span> assertEquals(loadValueBuffer, ByteBuffer.wrap(Bytes.add(value, Bytes.toBytes(i))));<a name="line.238"></a>
<span class="sourceLineNo">239</span> assertEquals(ByteBuffer.wrap(Bytes.add(value, Bytes.toBytes(i))),<a name="line.239"></a>
<span class="sourceLineNo">240</span> r.getValueAsByteBuffer(family, qf));<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> /**<a name="line.244"></a>
<span class="sourceLineNo">245</span> * Verify that Result.compareResults(...) behaves correctly.<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 testCompareResults() throws Exception {<a name="line.248"></a>
<span class="sourceLineNo">249</span> byte[] value1 = Bytes.toBytes("value1");<a name="line.249"></a>
<span class="sourceLineNo">250</span> byte[] qual = Bytes.toBytes("qual");<a name="line.250"></a>
<span class="sourceLineNo">251</span><a name="line.251"></a>
<span class="sourceLineNo">252</span> KeyValue kv1 = new KeyValue(row, family, qual, value);<a name="line.252"></a>
<span class="sourceLineNo">253</span> KeyValue kv2 = new KeyValue(row, family, qual, value1);<a name="line.253"></a>
<span class="sourceLineNo">254</span><a name="line.254"></a>
<span class="sourceLineNo">255</span> Result r1 = Result.create(new KeyValue[] { kv1 });<a name="line.255"></a>
<span class="sourceLineNo">256</span> Result r2 = Result.create(new KeyValue[] { kv2 });<a name="line.256"></a>
<span class="sourceLineNo">257</span> // no exception thrown<a name="line.257"></a>
<span class="sourceLineNo">258</span> Result.compareResults(r1, r1);<a name="line.258"></a>
<span class="sourceLineNo">259</span> try {<a name="line.259"></a>
<span class="sourceLineNo">260</span> // these are different (HBASE-4800)<a name="line.260"></a>
<span class="sourceLineNo">261</span> Result.compareResults(r1, r2);<a name="line.261"></a>
<span class="sourceLineNo">262</span> fail();<a name="line.262"></a>
<span class="sourceLineNo">263</span> } catch (Exception x) {<a name="line.263"></a>
<span class="sourceLineNo">264</span> assertTrue(x.getMessage().startsWith("This result was different:"));<a name="line.264"></a>
<span class="sourceLineNo">265</span> }<a name="line.265"></a>
<span class="sourceLineNo">266</span> }<a name="line.266"></a>
<span class="sourceLineNo">267</span><a name="line.267"></a>
<span class="sourceLineNo">268</span> @Test<a name="line.268"></a>
<span class="sourceLineNo">269</span> public void testCompareResultsWithTags() throws Exception {<a name="line.269"></a>
<span class="sourceLineNo">270</span> Tag t1 = new ArrayBackedTag((byte) 1, Bytes.toBytes("TAG1"));<a name="line.270"></a>
<span class="sourceLineNo">271</span> Tag t2 = new ArrayBackedTag((byte) 2, Bytes.toBytes("TAG2"));<a name="line.271"></a>
<span class="sourceLineNo">272</span> // Both BB backed tags KV are null<a name="line.272"></a>
<span class="sourceLineNo">273</span> Result result1 = getByteBufferBackedTagResult(null);<a name="line.273"></a>
<span class="sourceLineNo">274</span> Result result2 = getByteBufferBackedTagResult(null);<a name="line.274"></a>
<span class="sourceLineNo">275</span> Result.compareResults(result1, result2);<a name="line.275"></a>
<span class="sourceLineNo">276</span><a name="line.276"></a>
<span class="sourceLineNo">277</span> // Test both byte buffer backed tags KeyValue<a name="line.277"></a>
<span class="sourceLineNo">278</span> result1 = getByteBufferBackedTagResult(t1);<a name="line.278"></a>
<span class="sourceLineNo">279</span> result2 = getByteBufferBackedTagResult(t1);<a name="line.279"></a>
<span class="sourceLineNo">280</span> Result.compareResults(result1, result2);<a name="line.280"></a>
<span class="sourceLineNo">281</span><a name="line.281"></a>
<span class="sourceLineNo">282</span> // Both array backed tags KV are null<a name="line.282"></a>
<span class="sourceLineNo">283</span> result1 = getArrayBackedTagResult(null);<a name="line.283"></a>
<span class="sourceLineNo">284</span> result2 = getArrayBackedTagResult(null);<a name="line.284"></a>
<span class="sourceLineNo">285</span> Result.compareResults(result1, result2);<a name="line.285"></a>
<span class="sourceLineNo">286</span><a name="line.286"></a>
<span class="sourceLineNo">287</span> // Test both array backed tags KeyValue<a name="line.287"></a>
<span class="sourceLineNo">288</span> result1 = getArrayBackedTagResult(t1);<a name="line.288"></a>
<span class="sourceLineNo">289</span> result2 = getArrayBackedTagResult(t1);<a name="line.289"></a>
<span class="sourceLineNo">290</span> Result.compareResults(result1, result2);<a name="line.290"></a>
<span class="sourceLineNo">291</span><a name="line.291"></a>
<span class="sourceLineNo">292</span> // left instance of byte buffer and right instance of array backed<a name="line.292"></a>
<span class="sourceLineNo">293</span> result1 = getByteBufferBackedTagResult(t1);<a name="line.293"></a>
<span class="sourceLineNo">294</span> result2 = getArrayBackedTagResult(t1);<a name="line.294"></a>
<span class="sourceLineNo">295</span> Result.compareResults(result1, result2);<a name="line.295"></a>
<span class="sourceLineNo">296</span><a name="line.296"></a>
<span class="sourceLineNo">297</span> // left instance of array backed and right instance of byte buffer backed.<a name="line.297"></a>
<span class="sourceLineNo">298</span> result1 = getArrayBackedTagResult(t1);<a name="line.298"></a>
<span class="sourceLineNo">299</span> result2 = getByteBufferBackedTagResult(t1);<a name="line.299"></a>
<span class="sourceLineNo">300</span> Result.compareResults(result1, result2);<a name="line.300"></a>
<span class="sourceLineNo">301</span><a name="line.301"></a>
<span class="sourceLineNo">302</span> // Left BB backed null tag and right BB backed non null tag<a name="line.302"></a>
<span class="sourceLineNo">303</span> result1 = getByteBufferBackedTagResult(null);<a name="line.303"></a>
<span class="sourceLineNo">304</span> result2 = getByteBufferBackedTagResult(t2);<a name="line.304"></a>
<span class="sourceLineNo">305</span> try {<a name="line.305"></a>
<span class="sourceLineNo">306</span> Result.compareResults(result1, result2);<a name="line.306"></a>
<span class="sourceLineNo">307</span> fail();<a name="line.307"></a>
<span class="sourceLineNo">308</span> } catch (Exception e) {<a name="line.308"></a>
<span class="sourceLineNo">309</span> // Expected<a name="line.309"></a>
<span class="sourceLineNo">310</span> }<a name="line.310"></a>
<span class="sourceLineNo">311</span><a name="line.311"></a>
<span class="sourceLineNo">312</span> // Left BB backed non null tag and right BB backed null tag<a name="line.312"></a>
<span class="sourceLineNo">313</span> result1 = getByteBufferBackedTagResult(t1);<a name="line.313"></a>
<span class="sourceLineNo">314</span> result2 = getByteBufferBackedTagResult(null);<a name="line.314"></a>
<span class="sourceLineNo">315</span> try {<a name="line.315"></a>
<span class="sourceLineNo">316</span> Result.compareResults(result1, result2);<a name="line.316"></a>
<span class="sourceLineNo">317</span> fail();<a name="line.317"></a>
<span class="sourceLineNo">318</span> } catch (Exception e) {<a name="line.318"></a>
<span class="sourceLineNo">319</span> // Expected<a name="line.319"></a>
<span class="sourceLineNo">320</span> }<a name="line.320"></a>
<span class="sourceLineNo">321</span><a name="line.321"></a>
<span class="sourceLineNo">322</span> // Both byte buffer backed tags KV are different<a name="line.322"></a>
<span class="sourceLineNo">323</span> result1 = getByteBufferBackedTagResult(t1);<a name="line.323"></a>
<span class="sourceLineNo">324</span> result2 = getByteBufferBackedTagResult(t2);<a name="line.324"></a>
<span class="sourceLineNo">325</span> try {<a name="line.325"></a>
<span class="sourceLineNo">326</span> Result.compareResults(result1, result2);<a name="line.326"></a>
<span class="sourceLineNo">327</span> fail();<a name="line.327"></a>
<span class="sourceLineNo">328</span> } catch (Exception e) {<a name="line.328"></a>
<span class="sourceLineNo">329</span> // Expected<a name="line.329"></a>
<span class="sourceLineNo">330</span> }<a name="line.330"></a>
<span class="sourceLineNo">331</span><a name="line.331"></a>
<span class="sourceLineNo">332</span> // Left array backed non null tag and right array backed null tag<a name="line.332"></a>
<span class="sourceLineNo">333</span> result1 = getArrayBackedTagResult(t1);<a name="line.333"></a>
<span class="sourceLineNo">334</span> result2 = getArrayBackedTagResult(null);<a name="line.334"></a>
<span class="sourceLineNo">335</span> try {<a name="line.335"></a>
<span class="sourceLineNo">336</span> Result.compareResults(result1, result2);<a name="line.336"></a>
<span class="sourceLineNo">337</span> fail();<a name="line.337"></a>
<span class="sourceLineNo">338</span> } catch (Exception e) {<a name="line.338"></a>
<span class="sourceLineNo">339</span> // Expected<a name="line.339"></a>
<span class="sourceLineNo">340</span> }<a name="line.340"></a>
<span class="sourceLineNo">341</span><a name="line.341"></a>
<span class="sourceLineNo">342</span> // Left array backed null tag and right array backed non null tag<a name="line.342"></a>
<span class="sourceLineNo">343</span> result1 = getByteBufferBackedTagResult(null);<a name="line.343"></a>
<span class="sourceLineNo">344</span> result2 = getByteBufferBackedTagResult(t2);<a name="line.344"></a>
<span class="sourceLineNo">345</span> try {<a name="line.345"></a>
<span class="sourceLineNo">346</span> Result.compareResults(result1, result2);<a name="line.346"></a>
<span class="sourceLineNo">347</span> fail();<a name="line.347"></a>
<span class="sourceLineNo">348</span> } catch (Exception e) {<a name="line.348"></a>
<span class="sourceLineNo">349</span> // Expected<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> // Both array backed tags KV are different<a name="line.352"></a>
<span class="sourceLineNo">353</span> result1 = getArrayBackedTagResult(t1);<a name="line.353"></a>
<span class="sourceLineNo">354</span> result2 = getArrayBackedTagResult(t2);<a name="line.354"></a>
<span class="sourceLineNo">355</span> try {<a name="line.355"></a>
<span class="sourceLineNo">356</span> Result.compareResults(result1, result2);<a name="line.356"></a>
<span class="sourceLineNo">357</span> fail();<a name="line.357"></a>
<span class="sourceLineNo">358</span> } catch (Exception e) {<a name="line.358"></a>
<span class="sourceLineNo">359</span> // Expected<a name="line.359"></a>
<span class="sourceLineNo">360</span> }<a name="line.360"></a>
<span class="sourceLineNo">361</span><a name="line.361"></a>
<span class="sourceLineNo">362</span> // left instance of byte buffer and right instance of array backed are different<a name="line.362"></a>
<span class="sourceLineNo">363</span> result1 = getByteBufferBackedTagResult(t1);<a name="line.363"></a>
<span class="sourceLineNo">364</span> result2 = getArrayBackedTagResult(t2);<a name="line.364"></a>
<span class="sourceLineNo">365</span> try {<a name="line.365"></a>
<span class="sourceLineNo">366</span> Result.compareResults(result1, result2);<a name="line.366"></a>
<span class="sourceLineNo">367</span> fail();<a name="line.367"></a>
<span class="sourceLineNo">368</span> } catch (Exception e) {<a name="line.368"></a>
<span class="sourceLineNo">369</span> // Expected<a name="line.369"></a>
<span class="sourceLineNo">370</span> }<a name="line.370"></a>
<span class="sourceLineNo">371</span><a name="line.371"></a>
<span class="sourceLineNo">372</span> // left instance of array backed and right instance of byte buffer backed are different<a name="line.372"></a>
<span class="sourceLineNo">373</span> result1 = getArrayBackedTagResult(t1);<a name="line.373"></a>
<span class="sourceLineNo">374</span> result2 = getByteBufferBackedTagResult(t2);<a name="line.374"></a>
<span class="sourceLineNo">375</span> try {<a name="line.375"></a>
<span class="sourceLineNo">376</span> Result.compareResults(result1, result2);<a name="line.376"></a>
<span class="sourceLineNo">377</span> fail();<a name="line.377"></a>
<span class="sourceLineNo">378</span> } catch (Exception e) {<a name="line.378"></a>
<span class="sourceLineNo">379</span> // Expected<a name="line.379"></a>
<span class="sourceLineNo">380</span> }<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 testCompareResultMemoryUsage() {<a name="line.384"></a>
<span class="sourceLineNo">385</span> List&lt;Cell&gt; cells1 = new ArrayList&lt;&gt;();<a name="line.385"></a>
<span class="sourceLineNo">386</span> for (long i = 0; i &lt; 100; i++) {<a name="line.386"></a>
<span class="sourceLineNo">387</span> cells1.add(new KeyValue(row, family, Bytes.toBytes(i), value));<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>
<span class="sourceLineNo">390</span> List&lt;Cell&gt; cells2 = new ArrayList&lt;&gt;();<a name="line.390"></a>
<span class="sourceLineNo">391</span> for (long i = 0; i &lt; 100; i++) {<a name="line.391"></a>
<span class="sourceLineNo">392</span> cells2.add(new KeyValue(row, family, Bytes.toBytes(i), Bytes.toBytes(i)));<a name="line.392"></a>
<span class="sourceLineNo">393</span> }<a name="line.393"></a>
<span class="sourceLineNo">394</span><a name="line.394"></a>
<span class="sourceLineNo">395</span> Result r1 = Result.create(cells1);<a name="line.395"></a>
<span class="sourceLineNo">396</span> Result r2 = Result.create(cells2);<a name="line.396"></a>
<span class="sourceLineNo">397</span> try {<a name="line.397"></a>
<span class="sourceLineNo">398</span> Result.compareResults(r1, r2);<a name="line.398"></a>
<span class="sourceLineNo">399</span> fail();<a name="line.399"></a>
<span class="sourceLineNo">400</span> } catch (Exception x) {<a name="line.400"></a>
<span class="sourceLineNo">401</span> assertTrue(x.getMessage().startsWith("This result was different:"));<a name="line.401"></a>
<span class="sourceLineNo">402</span> assertThat(x.getMessage().length(), greaterThan(100));<a name="line.402"></a>
<span class="sourceLineNo">403</span> }<a name="line.403"></a>
<span class="sourceLineNo">404</span><a name="line.404"></a>
<span class="sourceLineNo">405</span> try {<a name="line.405"></a>
<span class="sourceLineNo">406</span> Result.compareResults(r1, r2, false);<a name="line.406"></a>
<span class="sourceLineNo">407</span> fail();<a name="line.407"></a>
<span class="sourceLineNo">408</span> } catch (Exception x) {<a name="line.408"></a>
<span class="sourceLineNo">409</span> assertEquals("This result was different: row=row", x.getMessage());<a name="line.409"></a>
<span class="sourceLineNo">410</span> assertThat(x.getMessage().length(), lessThan(100));<a name="line.410"></a>
<span class="sourceLineNo">411</span> }<a name="line.411"></a>
<span class="sourceLineNo">412</span> }<a name="line.412"></a>
<span class="sourceLineNo">413</span><a name="line.413"></a>
<span class="sourceLineNo">414</span> private Result getArrayBackedTagResult(Tag tag) {<a name="line.414"></a>
<span class="sourceLineNo">415</span> List&lt;Tag&gt; tags = null;<a name="line.415"></a>
<span class="sourceLineNo">416</span> if (tag != null) {<a name="line.416"></a>
<span class="sourceLineNo">417</span> tags = Arrays.asList(tag);<a name="line.417"></a>
<span class="sourceLineNo">418</span> }<a name="line.418"></a>
<span class="sourceLineNo">419</span> KeyValue kvCell = new KeyValue(row, family, qual, 0L, KeyValue.Type.Put, value, tags);<a name="line.419"></a>
<span class="sourceLineNo">420</span> return Result.create(new Cell[] { kvCell });<a name="line.420"></a>
<span class="sourceLineNo">421</span> }<a name="line.421"></a>
<span class="sourceLineNo">422</span><a name="line.422"></a>
<span class="sourceLineNo">423</span> private Result getByteBufferBackedTagResult(Tag tag) {<a name="line.423"></a>
<span class="sourceLineNo">424</span> List&lt;Tag&gt; tags = null;<a name="line.424"></a>
<span class="sourceLineNo">425</span> if (tag != null) {<a name="line.425"></a>
<span class="sourceLineNo">426</span> tags = Arrays.asList(tag);<a name="line.426"></a>
<span class="sourceLineNo">427</span> }<a name="line.427"></a>
<span class="sourceLineNo">428</span> KeyValue kvCell = new KeyValue(row, family, qual, 0L, KeyValue.Type.Put, value, tags);<a name="line.428"></a>
<span class="sourceLineNo">429</span> ByteBuffer buf = ByteBuffer.allocateDirect(kvCell.getBuffer().length);<a name="line.429"></a>
<span class="sourceLineNo">430</span> ByteBufferUtils.copyFromArrayToBuffer(buf, kvCell.getBuffer(), 0, kvCell.getBuffer().length);<a name="line.430"></a>
<span class="sourceLineNo">431</span> ByteBufferKeyValue bbKV = new ByteBufferKeyValue(buf, 0, buf.capacity(), 0L);<a name="line.431"></a>
<span class="sourceLineNo">432</span> return Result.create(new Cell[] { bbKV });<a name="line.432"></a>
<span class="sourceLineNo">433</span> }<a name="line.433"></a>
<span class="sourceLineNo">434</span><a name="line.434"></a>
<span class="sourceLineNo">435</span> /**<a name="line.435"></a>
<span class="sourceLineNo">436</span> * Verifies that one can't modify instance of EMPTY_RESULT.<a name="line.436"></a>
<span class="sourceLineNo">437</span> */<a name="line.437"></a>
<span class="sourceLineNo">438</span> @Test<a name="line.438"></a>
<span class="sourceLineNo">439</span> public void testEmptyResultIsReadonly() {<a name="line.439"></a>
<span class="sourceLineNo">440</span> Result emptyResult = Result.EMPTY_RESULT;<a name="line.440"></a>
<span class="sourceLineNo">441</span> Result otherResult = new Result();<a name="line.441"></a>
<span class="sourceLineNo">442</span><a name="line.442"></a>
<span class="sourceLineNo">443</span> try {<a name="line.443"></a>
<span class="sourceLineNo">444</span> emptyResult.copyFrom(otherResult);<a name="line.444"></a>
<span class="sourceLineNo">445</span> fail("UnsupportedOperationException should have been thrown!");<a name="line.445"></a>
<span class="sourceLineNo">446</span> } catch (UnsupportedOperationException ex) {<a name="line.446"></a>
<span class="sourceLineNo">447</span> LOG.debug("As expected: " + ex.getMessage());<a name="line.447"></a>
<span class="sourceLineNo">448</span> }<a name="line.448"></a>
<span class="sourceLineNo">449</span> try {<a name="line.449"></a>
<span class="sourceLineNo">450</span> emptyResult.setExists(true);<a name="line.450"></a>
<span class="sourceLineNo">451</span> fail("UnsupportedOperationException should have been thrown!");<a name="line.451"></a>
<span class="sourceLineNo">452</span> } catch (UnsupportedOperationException ex) {<a name="line.452"></a>
<span class="sourceLineNo">453</span> LOG.debug("As expected: " + ex.getMessage());<a name="line.453"></a>
<span class="sourceLineNo">454</span> }<a name="line.454"></a>
<span class="sourceLineNo">455</span> }<a name="line.455"></a>
<span class="sourceLineNo">456</span><a name="line.456"></a>
<span class="sourceLineNo">457</span> /**<a name="line.457"></a>
<span class="sourceLineNo">458</span> * Microbenchmark that compares {@link Result#getValue} and {@link Result#loadValue} performance.<a name="line.458"></a>
<span class="sourceLineNo">459</span> */<a name="line.459"></a>
<span class="sourceLineNo">460</span> public void doReadBenchmark() throws Exception {<a name="line.460"></a>
<span class="sourceLineNo">461</span><a name="line.461"></a>
<span class="sourceLineNo">462</span> final int n = 5;<a name="line.462"></a>
<span class="sourceLineNo">463</span> final int m = 100000000;<a name="line.463"></a>
<span class="sourceLineNo">464</span><a name="line.464"></a>
<span class="sourceLineNo">465</span> StringBuilder valueSB = new StringBuilder();<a name="line.465"></a>
<span class="sourceLineNo">466</span> for (int i = 0; i &lt; 100; i++) {<a name="line.466"></a>
<span class="sourceLineNo">467</span> valueSB.append((byte) (Math.random() * 10));<a name="line.467"></a>
<span class="sourceLineNo">468</span> }<a name="line.468"></a>
<span class="sourceLineNo">469</span><a name="line.469"></a>
<span class="sourceLineNo">470</span> StringBuilder rowSB = new StringBuilder();<a name="line.470"></a>
<span class="sourceLineNo">471</span> for (int i = 0; i &lt; 50; i++) {<a name="line.471"></a>
<span class="sourceLineNo">472</span> rowSB.append((byte) (Math.random() * 10));<a name="line.472"></a>
<span class="sourceLineNo">473</span> }<a name="line.473"></a>
<span class="sourceLineNo">474</span><a name="line.474"></a>
<span class="sourceLineNo">475</span> KeyValue[] kvs =<a name="line.475"></a>
<span class="sourceLineNo">476</span> genKVs(Bytes.toBytes(rowSB.toString()), family, Bytes.toBytes(valueSB.toString()), 1, n);<a name="line.476"></a>
<span class="sourceLineNo">477</span> Arrays.sort(kvs, CellComparator.getInstance());<a name="line.477"></a>
<span class="sourceLineNo">478</span> ByteBuffer loadValueBuffer = ByteBuffer.allocate(1024);<a name="line.478"></a>
<span class="sourceLineNo">479</span> Result r = Result.create(kvs);<a name="line.479"></a>
<span class="sourceLineNo">480</span><a name="line.480"></a>
<span class="sourceLineNo">481</span> byte[][] qfs = new byte[n][Bytes.SIZEOF_INT];<a name="line.481"></a>
<span class="sourceLineNo">482</span> for (int i = 0; i &lt; n; ++i) {<a name="line.482"></a>
<span class="sourceLineNo">483</span> System.arraycopy(qfs[i], 0, Bytes.toBytes(i), 0, Bytes.SIZEOF_INT);<a name="line.483"></a>
<span class="sourceLineNo">484</span> }<a name="line.484"></a>
<span class="sourceLineNo">485</span><a name="line.485"></a>
<span class="sourceLineNo">486</span> // warm up<a name="line.486"></a>
<span class="sourceLineNo">487</span> for (int k = 0; k &lt; 100000; k++) {<a name="line.487"></a>
<span class="sourceLineNo">488</span> for (int i = 0; i &lt; n; ++i) {<a name="line.488"></a>
<span class="sourceLineNo">489</span> r.getValue(family, qfs[i]);<a name="line.489"></a>
<span class="sourceLineNo">490</span> loadValueBuffer.clear();<a name="line.490"></a>
<span class="sourceLineNo">491</span> r.loadValue(family, qfs[i], loadValueBuffer);<a name="line.491"></a>
<span class="sourceLineNo">492</span> loadValueBuffer.flip();<a name="line.492"></a>
<span class="sourceLineNo">493</span> }<a name="line.493"></a>
<span class="sourceLineNo">494</span> }<a name="line.494"></a>
<span class="sourceLineNo">495</span><a name="line.495"></a>
<span class="sourceLineNo">496</span> System.gc();<a name="line.496"></a>
<span class="sourceLineNo">497</span> long start = System.nanoTime();<a name="line.497"></a>
<span class="sourceLineNo">498</span> for (int k = 0; k &lt; m; k++) {<a name="line.498"></a>
<span class="sourceLineNo">499</span> for (int i = 0; i &lt; n; ++i) {<a name="line.499"></a>
<span class="sourceLineNo">500</span> loadValueBuffer.clear();<a name="line.500"></a>
<span class="sourceLineNo">501</span> r.loadValue(family, qfs[i], loadValueBuffer);<a name="line.501"></a>
<span class="sourceLineNo">502</span> loadValueBuffer.flip();<a name="line.502"></a>
<span class="sourceLineNo">503</span> }<a name="line.503"></a>
<span class="sourceLineNo">504</span> }<a name="line.504"></a>
<span class="sourceLineNo">505</span> long stop = System.nanoTime();<a name="line.505"></a>
<span class="sourceLineNo">506</span> System.out.println("loadValue(): " + (stop - start));<a name="line.506"></a>
<span class="sourceLineNo">507</span><a name="line.507"></a>
<span class="sourceLineNo">508</span> System.gc();<a name="line.508"></a>
<span class="sourceLineNo">509</span> start = System.nanoTime();<a name="line.509"></a>
<span class="sourceLineNo">510</span> for (int k = 0; k &lt; m; k++) {<a name="line.510"></a>
<span class="sourceLineNo">511</span> for (int i = 0; i &lt; n; i++) {<a name="line.511"></a>
<span class="sourceLineNo">512</span> r.getValue(family, qfs[i]);<a name="line.512"></a>
<span class="sourceLineNo">513</span> }<a name="line.513"></a>
<span class="sourceLineNo">514</span> }<a name="line.514"></a>
<span class="sourceLineNo">515</span> stop = System.nanoTime();<a name="line.515"></a>
<span class="sourceLineNo">516</span> System.out.println("getValue(): " + (stop - start));<a name="line.516"></a>
<span class="sourceLineNo">517</span> }<a name="line.517"></a>
<span class="sourceLineNo">518</span><a name="line.518"></a>
<span class="sourceLineNo">519</span> /**<a name="line.519"></a>
<span class="sourceLineNo">520</span> * Calls non-functional test methods.<a name="line.520"></a>
<span class="sourceLineNo">521</span> */<a name="line.521"></a>
<span class="sourceLineNo">522</span> public static void main(String[] args) {<a name="line.522"></a>
<span class="sourceLineNo">523</span> TestResult testResult = new TestResult();<a name="line.523"></a>
<span class="sourceLineNo">524</span> try {<a name="line.524"></a>
<span class="sourceLineNo">525</span> testResult.doReadBenchmark();<a name="line.525"></a>
<span class="sourceLineNo">526</span> } catch (Exception e) {<a name="line.526"></a>
<span class="sourceLineNo">527</span> LOG.error("Unexpected exception", e);<a name="line.527"></a>
<span class="sourceLineNo">528</span> }<a name="line.528"></a>
<span class="sourceLineNo">529</span> }<a name="line.529"></a>
<span class="sourceLineNo">530</span>}<a name="line.530"></a>
</pre>
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