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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.junit.Assert.assertEquals;<a name="line.20"></a>
<span class="sourceLineNo">021</span>import static org.junit.Assert.assertFalse;<a name="line.21"></a>
<span class="sourceLineNo">022</span>import static org.junit.Assert.assertNull;<a name="line.22"></a>
<span class="sourceLineNo">023</span>import static org.junit.Assert.assertTrue;<a name="line.23"></a>
<span class="sourceLineNo">024</span>import static org.junit.Assert.fail;<a name="line.24"></a>
<span class="sourceLineNo">025</span><a name="line.25"></a>
<span class="sourceLineNo">026</span>import java.io.IOException;<a name="line.26"></a>
<span class="sourceLineNo">027</span>import java.util.ArrayList;<a name="line.27"></a>
<span class="sourceLineNo">028</span>import java.util.Arrays;<a name="line.28"></a>
<span class="sourceLineNo">029</span>import java.util.Collections;<a name="line.29"></a>
<span class="sourceLineNo">030</span>import java.util.List;<a name="line.30"></a>
<span class="sourceLineNo">031</span>import java.util.Optional;<a name="line.31"></a>
<span class="sourceLineNo">032</span>import java.util.Random;<a name="line.32"></a>
<span class="sourceLineNo">033</span>import java.util.concurrent.CountDownLatch;<a name="line.33"></a>
<span class="sourceLineNo">034</span>import java.util.concurrent.ExecutorService;<a name="line.34"></a>
<span class="sourceLineNo">035</span>import java.util.concurrent.Executors;<a name="line.35"></a>
<span class="sourceLineNo">036</span>import java.util.concurrent.ThreadLocalRandom;<a name="line.36"></a>
<span class="sourceLineNo">037</span>import java.util.concurrent.TimeUnit;<a name="line.37"></a>
<span class="sourceLineNo">038</span>import java.util.concurrent.atomic.AtomicBoolean;<a name="line.38"></a>
<span class="sourceLineNo">039</span>import java.util.concurrent.atomic.AtomicInteger;<a name="line.39"></a>
<span class="sourceLineNo">040</span>import org.apache.hadoop.conf.Configuration;<a name="line.40"></a>
<span class="sourceLineNo">041</span>import org.apache.hadoop.hbase.Cell;<a name="line.41"></a>
<span class="sourceLineNo">042</span>import org.apache.hadoop.hbase.CellUtil;<a name="line.42"></a>
<span class="sourceLineNo">043</span>import org.apache.hadoop.hbase.Coprocessor;<a name="line.43"></a>
<span class="sourceLineNo">044</span>import org.apache.hadoop.hbase.HBaseClassTestRule;<a name="line.44"></a>
<span class="sourceLineNo">045</span>import org.apache.hadoop.hbase.HBaseTestingUtil;<a name="line.45"></a>
<span class="sourceLineNo">046</span>import org.apache.hadoop.hbase.HConstants;<a name="line.46"></a>
<span class="sourceLineNo">047</span>import org.apache.hadoop.hbase.HRegionLocation;<a name="line.47"></a>
<span class="sourceLineNo">048</span>import org.apache.hadoop.hbase.RegionMetrics;<a name="line.48"></a>
<span class="sourceLineNo">049</span>import org.apache.hadoop.hbase.ServerName;<a name="line.49"></a>
<span class="sourceLineNo">050</span>import org.apache.hadoop.hbase.TableName;<a name="line.50"></a>
<span class="sourceLineNo">051</span>import org.apache.hadoop.hbase.coprocessor.MultiRowMutationEndpoint;<a name="line.51"></a>
<span class="sourceLineNo">052</span>import org.apache.hadoop.hbase.coprocessor.ObserverContext;<a name="line.52"></a>
<span class="sourceLineNo">053</span>import org.apache.hadoop.hbase.coprocessor.RegionCoprocessor;<a name="line.53"></a>
<span class="sourceLineNo">054</span>import org.apache.hadoop.hbase.coprocessor.RegionCoprocessorEnvironment;<a name="line.54"></a>
<span class="sourceLineNo">055</span>import org.apache.hadoop.hbase.coprocessor.RegionObserver;<a name="line.55"></a>
<span class="sourceLineNo">056</span>import org.apache.hadoop.hbase.exceptions.UnknownProtocolException;<a name="line.56"></a>
<span class="sourceLineNo">057</span>import org.apache.hadoop.hbase.ipc.CoprocessorRpcUtils;<a name="line.57"></a>
<span class="sourceLineNo">058</span>import org.apache.hadoop.hbase.ipc.RpcClient;<a name="line.58"></a>
<span class="sourceLineNo">059</span>import org.apache.hadoop.hbase.ipc.RpcClientFactory;<a name="line.59"></a>
<span class="sourceLineNo">060</span>import org.apache.hadoop.hbase.ipc.ServerRpcController;<a name="line.60"></a>
<span class="sourceLineNo">061</span>import org.apache.hadoop.hbase.regionserver.HRegion;<a name="line.61"></a>
<span class="sourceLineNo">062</span>import org.apache.hadoop.hbase.regionserver.HRegionServer;<a name="line.62"></a>
<span class="sourceLineNo">063</span>import org.apache.hadoop.hbase.regionserver.MiniBatchOperationInProgress;<a name="line.63"></a>
<span class="sourceLineNo">064</span>import org.apache.hadoop.hbase.regionserver.RegionScanner;<a name="line.64"></a>
<span class="sourceLineNo">065</span>import org.apache.hadoop.hbase.testclassification.ClientTests;<a name="line.65"></a>
<span class="sourceLineNo">066</span>import org.apache.hadoop.hbase.testclassification.LargeTests;<a name="line.66"></a>
<span class="sourceLineNo">067</span>import org.apache.hadoop.hbase.util.Bytes;<a name="line.67"></a>
<span class="sourceLineNo">068</span>import org.apache.hadoop.hbase.util.EnvironmentEdgeManager;<a name="line.68"></a>
<span class="sourceLineNo">069</span>import org.junit.After;<a name="line.69"></a>
<span class="sourceLineNo">070</span>import org.junit.AfterClass;<a name="line.70"></a>
<span class="sourceLineNo">071</span>import org.junit.Assert;<a name="line.71"></a>
<span class="sourceLineNo">072</span>import org.junit.Before;<a name="line.72"></a>
<span class="sourceLineNo">073</span>import org.junit.BeforeClass;<a name="line.73"></a>
<span class="sourceLineNo">074</span>import org.junit.ClassRule;<a name="line.74"></a>
<span class="sourceLineNo">075</span>import org.junit.Rule;<a name="line.75"></a>
<span class="sourceLineNo">076</span>import org.junit.Test;<a name="line.76"></a>
<span class="sourceLineNo">077</span>import org.junit.experimental.categories.Category;<a name="line.77"></a>
<span class="sourceLineNo">078</span>import org.junit.rules.TestName;<a name="line.78"></a>
<span class="sourceLineNo">079</span>import org.slf4j.Logger;<a name="line.79"></a>
<span class="sourceLineNo">080</span>import org.slf4j.LoggerFactory;<a name="line.80"></a>
<span class="sourceLineNo">081</span><a name="line.81"></a>
<span class="sourceLineNo">082</span>import org.apache.hadoop.hbase.shaded.protobuf.ProtobufUtil;<a name="line.82"></a>
<span class="sourceLineNo">083</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.ClientProtos;<a name="line.83"></a>
<span class="sourceLineNo">084</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.MultiRowMutationProtos;<a name="line.84"></a>
<span class="sourceLineNo">085</span><a name="line.85"></a>
<span class="sourceLineNo">086</span>@Category({ LargeTests.class, ClientTests.class })<a name="line.86"></a>
<span class="sourceLineNo">087</span>public class TestFromClientSide3 {<a name="line.87"></a>
<span class="sourceLineNo">088</span><a name="line.88"></a>
<span class="sourceLineNo">089</span> @ClassRule<a name="line.89"></a>
<span class="sourceLineNo">090</span> public static final HBaseClassTestRule CLASS_RULE =<a name="line.90"></a>
<span class="sourceLineNo">091</span> HBaseClassTestRule.forClass(TestFromClientSide3.class);<a name="line.91"></a>
<span class="sourceLineNo">092</span><a name="line.92"></a>
<span class="sourceLineNo">093</span> private static final Logger LOG = LoggerFactory.getLogger(TestFromClientSide3.class);<a name="line.93"></a>
<span class="sourceLineNo">094</span> private final static HBaseTestingUtil TEST_UTIL = new HBaseTestingUtil();<a name="line.94"></a>
<span class="sourceLineNo">095</span> private static final int WAITTABLE_MILLIS = 10000;<a name="line.95"></a>
<span class="sourceLineNo">096</span> private static byte[] FAMILY = Bytes.toBytes("testFamily");<a name="line.96"></a>
<span class="sourceLineNo">097</span> private static int SLAVES = 3;<a name="line.97"></a>
<span class="sourceLineNo">098</span> private static final byte[] ROW = Bytes.toBytes("testRow");<a name="line.98"></a>
<span class="sourceLineNo">099</span> private static final byte[] ANOTHERROW = Bytes.toBytes("anotherrow");<a name="line.99"></a>
<span class="sourceLineNo">100</span> private static final byte[] QUALIFIER = Bytes.toBytes("testQualifier");<a name="line.100"></a>
<span class="sourceLineNo">101</span> private static final byte[] VALUE = Bytes.toBytes("testValue");<a name="line.101"></a>
<span class="sourceLineNo">102</span> private static final byte[] COL_QUAL = Bytes.toBytes("f1");<a name="line.102"></a>
<span class="sourceLineNo">103</span> private static final byte[] VAL_BYTES = Bytes.toBytes("v1");<a name="line.103"></a>
<span class="sourceLineNo">104</span> private static final byte[] ROW_BYTES = Bytes.toBytes("r1");<a name="line.104"></a>
<span class="sourceLineNo">105</span><a name="line.105"></a>
<span class="sourceLineNo">106</span> @Rule<a name="line.106"></a>
<span class="sourceLineNo">107</span> public TestName name = new TestName();<a name="line.107"></a>
<span class="sourceLineNo">108</span> private TableName tableName;<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> * @throws java.lang.Exception<a name="line.111"></a>
<span class="sourceLineNo">112</span> */<a name="line.112"></a>
<span class="sourceLineNo">113</span> @BeforeClass<a name="line.113"></a>
<span class="sourceLineNo">114</span> public static void setUpBeforeClass() throws Exception {<a name="line.114"></a>
<span class="sourceLineNo">115</span> TEST_UTIL.startMiniCluster(SLAVES);<a name="line.115"></a>
<span class="sourceLineNo">116</span> }<a name="line.116"></a>
<span class="sourceLineNo">117</span><a name="line.117"></a>
<span class="sourceLineNo">118</span> /**<a name="line.118"></a>
<span class="sourceLineNo">119</span> * @throws java.lang.Exception<a name="line.119"></a>
<span class="sourceLineNo">120</span> */<a name="line.120"></a>
<span class="sourceLineNo">121</span> @AfterClass<a name="line.121"></a>
<span class="sourceLineNo">122</span> public static void tearDownAfterClass() throws Exception {<a name="line.122"></a>
<span class="sourceLineNo">123</span> TEST_UTIL.shutdownMiniCluster();<a name="line.123"></a>
<span class="sourceLineNo">124</span> }<a name="line.124"></a>
<span class="sourceLineNo">125</span><a name="line.125"></a>
<span class="sourceLineNo">126</span> @Before<a name="line.126"></a>
<span class="sourceLineNo">127</span> public void setUp() throws Exception {<a name="line.127"></a>
<span class="sourceLineNo">128</span> tableName = TableName.valueOf(name.getMethodName());<a name="line.128"></a>
<span class="sourceLineNo">129</span> }<a name="line.129"></a>
<span class="sourceLineNo">130</span><a name="line.130"></a>
<span class="sourceLineNo">131</span> @After<a name="line.131"></a>
<span class="sourceLineNo">132</span> public void tearDown() throws Exception {<a name="line.132"></a>
<span class="sourceLineNo">133</span> for (TableDescriptor htd : TEST_UTIL.getAdmin().listTableDescriptors()) {<a name="line.133"></a>
<span class="sourceLineNo">134</span> LOG.info("Tear down, remove table=" + htd.getTableName());<a name="line.134"></a>
<span class="sourceLineNo">135</span> TEST_UTIL.deleteTable(htd.getTableName());<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><a name="line.138"></a>
<span class="sourceLineNo">139</span> private void randomCFPuts(Table table, byte[] row, byte[] family, int nPuts) throws Exception {<a name="line.139"></a>
<span class="sourceLineNo">140</span> Put put = new Put(row);<a name="line.140"></a>
<span class="sourceLineNo">141</span> Random rand = ThreadLocalRandom.current();<a name="line.141"></a>
<span class="sourceLineNo">142</span> for (int i = 0; i &lt; nPuts; i++) {<a name="line.142"></a>
<span class="sourceLineNo">143</span> byte[] qualifier = Bytes.toBytes(rand.nextInt());<a name="line.143"></a>
<span class="sourceLineNo">144</span> byte[] value = Bytes.toBytes(rand.nextInt());<a name="line.144"></a>
<span class="sourceLineNo">145</span> put.addColumn(family, qualifier, value);<a name="line.145"></a>
<span class="sourceLineNo">146</span> }<a name="line.146"></a>
<span class="sourceLineNo">147</span> table.put(put);<a name="line.147"></a>
<span class="sourceLineNo">148</span> }<a name="line.148"></a>
<span class="sourceLineNo">149</span><a name="line.149"></a>
<span class="sourceLineNo">150</span> private void performMultiplePutAndFlush(Admin admin, Table table, byte[] row, byte[] family,<a name="line.150"></a>
<span class="sourceLineNo">151</span> int nFlushes, int nPuts) throws Exception {<a name="line.151"></a>
<span class="sourceLineNo">152</span> for (int i = 0; i &lt; nFlushes; i++) {<a name="line.152"></a>
<span class="sourceLineNo">153</span> randomCFPuts(table, row, family, nPuts);<a name="line.153"></a>
<span class="sourceLineNo">154</span> admin.flush(table.getName());<a name="line.154"></a>
<span class="sourceLineNo">155</span> }<a name="line.155"></a>
<span class="sourceLineNo">156</span> }<a name="line.156"></a>
<span class="sourceLineNo">157</span><a name="line.157"></a>
<span class="sourceLineNo">158</span> private static List&lt;Cell&gt; toList(ResultScanner scanner) {<a name="line.158"></a>
<span class="sourceLineNo">159</span> try {<a name="line.159"></a>
<span class="sourceLineNo">160</span> List&lt;Cell&gt; cells = new ArrayList&lt;&gt;();<a name="line.160"></a>
<span class="sourceLineNo">161</span> for (Result r : scanner) {<a name="line.161"></a>
<span class="sourceLineNo">162</span> cells.addAll(r.listCells());<a name="line.162"></a>
<span class="sourceLineNo">163</span> }<a name="line.163"></a>
<span class="sourceLineNo">164</span> return cells;<a name="line.164"></a>
<span class="sourceLineNo">165</span> } finally {<a name="line.165"></a>
<span class="sourceLineNo">166</span> scanner.close();<a name="line.166"></a>
<span class="sourceLineNo">167</span> }<a name="line.167"></a>
<span class="sourceLineNo">168</span> }<a name="line.168"></a>
<span class="sourceLineNo">169</span><a name="line.169"></a>
<span class="sourceLineNo">170</span> @Test<a name="line.170"></a>
<span class="sourceLineNo">171</span> public void testScanAfterDeletingSpecifiedRow() throws IOException, InterruptedException {<a name="line.171"></a>
<span class="sourceLineNo">172</span> try (Table table = TEST_UTIL.createTable(tableName, new byte[][] { FAMILY })) {<a name="line.172"></a>
<span class="sourceLineNo">173</span> TEST_UTIL.waitTableAvailable(tableName, WAITTABLE_MILLIS);<a name="line.173"></a>
<span class="sourceLineNo">174</span> byte[] row = Bytes.toBytes("SpecifiedRow");<a name="line.174"></a>
<span class="sourceLineNo">175</span> byte[] value0 = Bytes.toBytes("value_0");<a name="line.175"></a>
<span class="sourceLineNo">176</span> byte[] value1 = Bytes.toBytes("value_1");<a name="line.176"></a>
<span class="sourceLineNo">177</span> Put put = new Put(row);<a name="line.177"></a>
<span class="sourceLineNo">178</span> put.addColumn(FAMILY, QUALIFIER, VALUE);<a name="line.178"></a>
<span class="sourceLineNo">179</span> table.put(put);<a name="line.179"></a>
<span class="sourceLineNo">180</span> Delete d = new Delete(row);<a name="line.180"></a>
<span class="sourceLineNo">181</span> table.delete(d);<a name="line.181"></a>
<span class="sourceLineNo">182</span> put = new Put(row);<a name="line.182"></a>
<span class="sourceLineNo">183</span> put.addColumn(FAMILY, null, value0);<a name="line.183"></a>
<span class="sourceLineNo">184</span> table.put(put);<a name="line.184"></a>
<span class="sourceLineNo">185</span> put = new Put(row);<a name="line.185"></a>
<span class="sourceLineNo">186</span> put.addColumn(FAMILY, null, value1);<a name="line.186"></a>
<span class="sourceLineNo">187</span> table.put(put);<a name="line.187"></a>
<span class="sourceLineNo">188</span> List&lt;Cell&gt; cells = toList(table.getScanner(new Scan()));<a name="line.188"></a>
<span class="sourceLineNo">189</span> assertEquals(1, cells.size());<a name="line.189"></a>
<span class="sourceLineNo">190</span> assertEquals("value_1", Bytes.toString(CellUtil.cloneValue(cells.get(0))));<a name="line.190"></a>
<span class="sourceLineNo">191</span><a name="line.191"></a>
<span class="sourceLineNo">192</span> cells = toList(table.getScanner(new Scan().addFamily(FAMILY)));<a name="line.192"></a>
<span class="sourceLineNo">193</span> assertEquals(1, cells.size());<a name="line.193"></a>
<span class="sourceLineNo">194</span> assertEquals("value_1", Bytes.toString(CellUtil.cloneValue(cells.get(0))));<a name="line.194"></a>
<span class="sourceLineNo">195</span><a name="line.195"></a>
<span class="sourceLineNo">196</span> cells = toList(table.getScanner(new Scan().addColumn(FAMILY, QUALIFIER)));<a name="line.196"></a>
<span class="sourceLineNo">197</span> assertEquals(0, cells.size());<a name="line.197"></a>
<span class="sourceLineNo">198</span><a name="line.198"></a>
<span class="sourceLineNo">199</span> TEST_UTIL.getAdmin().flush(tableName);<a name="line.199"></a>
<span class="sourceLineNo">200</span> cells = toList(table.getScanner(new Scan()));<a name="line.200"></a>
<span class="sourceLineNo">201</span> assertEquals(1, cells.size());<a name="line.201"></a>
<span class="sourceLineNo">202</span> assertEquals("value_1", Bytes.toString(CellUtil.cloneValue(cells.get(0))));<a name="line.202"></a>
<span class="sourceLineNo">203</span><a name="line.203"></a>
<span class="sourceLineNo">204</span> cells = toList(table.getScanner(new Scan().addFamily(FAMILY)));<a name="line.204"></a>
<span class="sourceLineNo">205</span> assertEquals(1, cells.size());<a name="line.205"></a>
<span class="sourceLineNo">206</span> assertEquals("value_1", Bytes.toString(CellUtil.cloneValue(cells.get(0))));<a name="line.206"></a>
<span class="sourceLineNo">207</span><a name="line.207"></a>
<span class="sourceLineNo">208</span> cells = toList(table.getScanner(new Scan().addColumn(FAMILY, QUALIFIER)));<a name="line.208"></a>
<span class="sourceLineNo">209</span> assertEquals(0, cells.size());<a name="line.209"></a>
<span class="sourceLineNo">210</span> }<a name="line.210"></a>
<span class="sourceLineNo">211</span> }<a name="line.211"></a>
<span class="sourceLineNo">212</span><a name="line.212"></a>
<span class="sourceLineNo">213</span> @Test<a name="line.213"></a>
<span class="sourceLineNo">214</span> public void testScanAfterDeletingSpecifiedRowV2() throws IOException, InterruptedException {<a name="line.214"></a>
<span class="sourceLineNo">215</span> try (Table table = TEST_UTIL.createTable(tableName, new byte[][] { FAMILY })) {<a name="line.215"></a>
<span class="sourceLineNo">216</span> TEST_UTIL.waitTableAvailable(tableName, WAITTABLE_MILLIS);<a name="line.216"></a>
<span class="sourceLineNo">217</span> byte[] row = Bytes.toBytes("SpecifiedRow");<a name="line.217"></a>
<span class="sourceLineNo">218</span> byte[] qual0 = Bytes.toBytes("qual0");<a name="line.218"></a>
<span class="sourceLineNo">219</span> byte[] qual1 = Bytes.toBytes("qual1");<a name="line.219"></a>
<span class="sourceLineNo">220</span> long now = EnvironmentEdgeManager.currentTime();<a name="line.220"></a>
<span class="sourceLineNo">221</span> Delete d = new Delete(row, now);<a name="line.221"></a>
<span class="sourceLineNo">222</span> table.delete(d);<a name="line.222"></a>
<span class="sourceLineNo">223</span><a name="line.223"></a>
<span class="sourceLineNo">224</span> Put put = new Put(row);<a name="line.224"></a>
<span class="sourceLineNo">225</span> put.addColumn(FAMILY, null, now + 1, VALUE);<a name="line.225"></a>
<span class="sourceLineNo">226</span> table.put(put);<a name="line.226"></a>
<span class="sourceLineNo">227</span><a name="line.227"></a>
<span class="sourceLineNo">228</span> put = new Put(row);<a name="line.228"></a>
<span class="sourceLineNo">229</span> put.addColumn(FAMILY, qual1, now + 2, qual1);<a name="line.229"></a>
<span class="sourceLineNo">230</span> table.put(put);<a name="line.230"></a>
<span class="sourceLineNo">231</span><a name="line.231"></a>
<span class="sourceLineNo">232</span> put = new Put(row);<a name="line.232"></a>
<span class="sourceLineNo">233</span> put.addColumn(FAMILY, qual0, now + 3, qual0);<a name="line.233"></a>
<span class="sourceLineNo">234</span> table.put(put);<a name="line.234"></a>
<span class="sourceLineNo">235</span><a name="line.235"></a>
<span class="sourceLineNo">236</span> Result r = table.get(new Get(row));<a name="line.236"></a>
<span class="sourceLineNo">237</span> assertEquals(r.toString(), 3, r.size());<a name="line.237"></a>
<span class="sourceLineNo">238</span> assertEquals("testValue", Bytes.toString(CellUtil.cloneValue(r.rawCells()[0])));<a name="line.238"></a>
<span class="sourceLineNo">239</span> assertEquals("qual0", Bytes.toString(CellUtil.cloneValue(r.rawCells()[1])));<a name="line.239"></a>
<span class="sourceLineNo">240</span> assertEquals("qual1", Bytes.toString(CellUtil.cloneValue(r.rawCells()[2])));<a name="line.240"></a>
<span class="sourceLineNo">241</span><a name="line.241"></a>
<span class="sourceLineNo">242</span> TEST_UTIL.getAdmin().flush(tableName);<a name="line.242"></a>
<span class="sourceLineNo">243</span> r = table.get(new Get(row));<a name="line.243"></a>
<span class="sourceLineNo">244</span> assertEquals(3, r.size());<a name="line.244"></a>
<span class="sourceLineNo">245</span> assertEquals("testValue", Bytes.toString(CellUtil.cloneValue(r.rawCells()[0])));<a name="line.245"></a>
<span class="sourceLineNo">246</span> assertEquals("qual0", Bytes.toString(CellUtil.cloneValue(r.rawCells()[1])));<a name="line.246"></a>
<span class="sourceLineNo">247</span> assertEquals("qual1", Bytes.toString(CellUtil.cloneValue(r.rawCells()[2])));<a name="line.247"></a>
<span class="sourceLineNo">248</span> }<a name="line.248"></a>
<span class="sourceLineNo">249</span> }<a name="line.249"></a>
<span class="sourceLineNo">250</span><a name="line.250"></a>
<span class="sourceLineNo">251</span> private int getStoreFileCount(Admin admin, ServerName serverName, RegionInfo region)<a name="line.251"></a>
<span class="sourceLineNo">252</span> throws IOException {<a name="line.252"></a>
<span class="sourceLineNo">253</span> for (RegionMetrics metrics : admin.getRegionMetrics(serverName, region.getTable())) {<a name="line.253"></a>
<span class="sourceLineNo">254</span> if (Bytes.equals(region.getRegionName(), metrics.getRegionName())) {<a name="line.254"></a>
<span class="sourceLineNo">255</span> return metrics.getStoreFileCount();<a name="line.255"></a>
<span class="sourceLineNo">256</span> }<a name="line.256"></a>
<span class="sourceLineNo">257</span> }<a name="line.257"></a>
<span class="sourceLineNo">258</span> return 0;<a name="line.258"></a>
<span class="sourceLineNo">259</span> }<a name="line.259"></a>
<span class="sourceLineNo">260</span><a name="line.260"></a>
<span class="sourceLineNo">261</span> // override the config settings at the CF level and ensure priority<a name="line.261"></a>
<span class="sourceLineNo">262</span> @Test<a name="line.262"></a>
<span class="sourceLineNo">263</span> public void testAdvancedConfigOverride() throws Exception {<a name="line.263"></a>
<span class="sourceLineNo">264</span> /*<a name="line.264"></a>
<span class="sourceLineNo">265</span> * Overall idea: (1) create 3 store files and issue a compaction. config's compaction.min == 3,<a name="line.265"></a>
<span class="sourceLineNo">266</span> * so should work. (2) Increase the compaction.min toggle in the HTD to 5 and modify table. If<a name="line.266"></a>
<span class="sourceLineNo">267</span> * we use the HTD value instead of the default config value, adding 3 files and issuing a<a name="line.267"></a>
<span class="sourceLineNo">268</span> * compaction SHOULD NOT work (3) Decrease the compaction.min toggle in the HCD to 2 and modify<a name="line.268"></a>
<span class="sourceLineNo">269</span> * table. The CF schema should override the Table schema and now cause a minor compaction.<a name="line.269"></a>
<span class="sourceLineNo">270</span> */<a name="line.270"></a>
<span class="sourceLineNo">271</span> TEST_UTIL.getConfiguration().setInt("hbase.hstore.compaction.min", 3);<a name="line.271"></a>
<span class="sourceLineNo">272</span><a name="line.272"></a>
<span class="sourceLineNo">273</span> final TableName tableName = TableName.valueOf(name.getMethodName());<a name="line.273"></a>
<span class="sourceLineNo">274</span> try (Table table = TEST_UTIL.createTable(tableName, FAMILY, 10)) {<a name="line.274"></a>
<span class="sourceLineNo">275</span> TEST_UTIL.waitTableAvailable(tableName, WAITTABLE_MILLIS);<a name="line.275"></a>
<span class="sourceLineNo">276</span> Admin admin = TEST_UTIL.getAdmin();<a name="line.276"></a>
<span class="sourceLineNo">277</span><a name="line.277"></a>
<span class="sourceLineNo">278</span> // Create 3 store files.<a name="line.278"></a>
<span class="sourceLineNo">279</span> byte[] row = Bytes.toBytes(ThreadLocalRandom.current().nextInt());<a name="line.279"></a>
<span class="sourceLineNo">280</span> performMultiplePutAndFlush(admin, table, row, FAMILY, 3, 100);<a name="line.280"></a>
<span class="sourceLineNo">281</span><a name="line.281"></a>
<span class="sourceLineNo">282</span> try (RegionLocator locator = TEST_UTIL.getConnection().getRegionLocator(tableName)) {<a name="line.282"></a>
<span class="sourceLineNo">283</span> // Verify we have multiple store files.<a name="line.283"></a>
<span class="sourceLineNo">284</span> HRegionLocation loc = locator.getRegionLocation(row, true);<a name="line.284"></a>
<span class="sourceLineNo">285</span> assertTrue(getStoreFileCount(admin, loc.getServerName(), loc.getRegion()) &gt; 1);<a name="line.285"></a>
<span class="sourceLineNo">286</span><a name="line.286"></a>
<span class="sourceLineNo">287</span> // Issue a compaction request<a name="line.287"></a>
<span class="sourceLineNo">288</span> admin.compact(tableName);<a name="line.288"></a>
<span class="sourceLineNo">289</span><a name="line.289"></a>
<span class="sourceLineNo">290</span> // poll wait for the compactions to happen<a name="line.290"></a>
<span class="sourceLineNo">291</span> for (int i = 0; i &lt; 10 * 1000 / 40; ++i) {<a name="line.291"></a>
<span class="sourceLineNo">292</span> // The number of store files after compaction should be lesser.<a name="line.292"></a>
<span class="sourceLineNo">293</span> loc = locator.getRegionLocation(row, true);<a name="line.293"></a>
<span class="sourceLineNo">294</span> if (!loc.getRegion().isOffline()) {<a name="line.294"></a>
<span class="sourceLineNo">295</span> if (getStoreFileCount(admin, loc.getServerName(), loc.getRegion()) &lt;= 1) {<a name="line.295"></a>
<span class="sourceLineNo">296</span> break;<a name="line.296"></a>
<span class="sourceLineNo">297</span> }<a name="line.297"></a>
<span class="sourceLineNo">298</span> }<a name="line.298"></a>
<span class="sourceLineNo">299</span> Thread.sleep(40);<a name="line.299"></a>
<span class="sourceLineNo">300</span> }<a name="line.300"></a>
<span class="sourceLineNo">301</span> // verify the compactions took place and that we didn't just time out<a name="line.301"></a>
<span class="sourceLineNo">302</span> assertTrue(getStoreFileCount(admin, loc.getServerName(), loc.getRegion()) &lt;= 1);<a name="line.302"></a>
<span class="sourceLineNo">303</span><a name="line.303"></a>
<span class="sourceLineNo">304</span> // change the compaction.min config option for this table to 5<a name="line.304"></a>
<span class="sourceLineNo">305</span> LOG.info("hbase.hstore.compaction.min should now be 5");<a name="line.305"></a>
<span class="sourceLineNo">306</span> TableDescriptor htd = TableDescriptorBuilder.newBuilder(table.getDescriptor())<a name="line.306"></a>
<span class="sourceLineNo">307</span> .setValue("hbase.hstore.compaction.min", String.valueOf(5)).build();<a name="line.307"></a>
<span class="sourceLineNo">308</span> admin.modifyTable(htd);<a name="line.308"></a>
<span class="sourceLineNo">309</span> LOG.info("alter status finished");<a name="line.309"></a>
<span class="sourceLineNo">310</span><a name="line.310"></a>
<span class="sourceLineNo">311</span> // Create 3 more store files.<a name="line.311"></a>
<span class="sourceLineNo">312</span> performMultiplePutAndFlush(admin, table, row, FAMILY, 3, 10);<a name="line.312"></a>
<span class="sourceLineNo">313</span><a name="line.313"></a>
<span class="sourceLineNo">314</span> // Issue a compaction request<a name="line.314"></a>
<span class="sourceLineNo">315</span> admin.compact(tableName);<a name="line.315"></a>
<span class="sourceLineNo">316</span><a name="line.316"></a>
<span class="sourceLineNo">317</span> // This time, the compaction request should not happen<a name="line.317"></a>
<span class="sourceLineNo">318</span> Thread.sleep(10 * 1000);<a name="line.318"></a>
<span class="sourceLineNo">319</span> loc = locator.getRegionLocation(row, true);<a name="line.319"></a>
<span class="sourceLineNo">320</span> int sfCount = getStoreFileCount(admin, loc.getServerName(), loc.getRegion());<a name="line.320"></a>
<span class="sourceLineNo">321</span> assertTrue(sfCount &gt; 1);<a name="line.321"></a>
<span class="sourceLineNo">322</span><a name="line.322"></a>
<span class="sourceLineNo">323</span> // change an individual CF's config option to 2 &amp; online schema update<a name="line.323"></a>
<span class="sourceLineNo">324</span> LOG.info("hbase.hstore.compaction.min should now be 2");<a name="line.324"></a>
<span class="sourceLineNo">325</span> htd = TableDescriptorBuilder.newBuilder(htd)<a name="line.325"></a>
<span class="sourceLineNo">326</span> .modifyColumnFamily(ColumnFamilyDescriptorBuilder.newBuilder(htd.getColumnFamily(FAMILY))<a name="line.326"></a>
<span class="sourceLineNo">327</span> .setValue("hbase.hstore.compaction.min", String.valueOf(2)).build())<a name="line.327"></a>
<span class="sourceLineNo">328</span> .build();<a name="line.328"></a>
<span class="sourceLineNo">329</span> admin.modifyTable(htd);<a name="line.329"></a>
<span class="sourceLineNo">330</span> LOG.info("alter status finished");<a name="line.330"></a>
<span class="sourceLineNo">331</span><a name="line.331"></a>
<span class="sourceLineNo">332</span> // Issue a compaction request<a name="line.332"></a>
<span class="sourceLineNo">333</span> admin.compact(tableName);<a name="line.333"></a>
<span class="sourceLineNo">334</span><a name="line.334"></a>
<span class="sourceLineNo">335</span> // poll wait for the compactions to happen<a name="line.335"></a>
<span class="sourceLineNo">336</span> for (int i = 0; i &lt; 10 * 1000 / 40; ++i) {<a name="line.336"></a>
<span class="sourceLineNo">337</span> loc = locator.getRegionLocation(row, true);<a name="line.337"></a>
<span class="sourceLineNo">338</span> try {<a name="line.338"></a>
<span class="sourceLineNo">339</span> if (getStoreFileCount(admin, loc.getServerName(), loc.getRegion()) &lt; sfCount) {<a name="line.339"></a>
<span class="sourceLineNo">340</span> break;<a name="line.340"></a>
<span class="sourceLineNo">341</span> }<a name="line.341"></a>
<span class="sourceLineNo">342</span> } catch (Exception e) {<a name="line.342"></a>
<span class="sourceLineNo">343</span> LOG.debug("Waiting for region to come online: "<a name="line.343"></a>
<span class="sourceLineNo">344</span> + Bytes.toStringBinary(loc.getRegion().getRegionName()));<a name="line.344"></a>
<span class="sourceLineNo">345</span> }<a name="line.345"></a>
<span class="sourceLineNo">346</span> Thread.sleep(40);<a name="line.346"></a>
<span class="sourceLineNo">347</span> }<a name="line.347"></a>
<span class="sourceLineNo">348</span><a name="line.348"></a>
<span class="sourceLineNo">349</span> // verify the compaction took place and that we didn't just time out<a name="line.349"></a>
<span class="sourceLineNo">350</span> assertTrue(getStoreFileCount(admin, loc.getServerName(), loc.getRegion()) &lt; sfCount);<a name="line.350"></a>
<span class="sourceLineNo">351</span><a name="line.351"></a>
<span class="sourceLineNo">352</span> // Finally, ensure that we can remove a custom config value after we made it<a name="line.352"></a>
<span class="sourceLineNo">353</span> LOG.info("Removing CF config value");<a name="line.353"></a>
<span class="sourceLineNo">354</span> LOG.info("hbase.hstore.compaction.min should now be 5");<a name="line.354"></a>
<span class="sourceLineNo">355</span> htd = TableDescriptorBuilder.newBuilder(htd)<a name="line.355"></a>
<span class="sourceLineNo">356</span> .modifyColumnFamily(ColumnFamilyDescriptorBuilder.newBuilder(htd.getColumnFamily(FAMILY))<a name="line.356"></a>
<span class="sourceLineNo">357</span> .setValue("hbase.hstore.compaction.min", null).build())<a name="line.357"></a>
<span class="sourceLineNo">358</span> .build();<a name="line.358"></a>
<span class="sourceLineNo">359</span> admin.modifyTable(htd);<a name="line.359"></a>
<span class="sourceLineNo">360</span> LOG.info("alter status finished");<a name="line.360"></a>
<span class="sourceLineNo">361</span> assertNull(table.getDescriptor().getColumnFamily(FAMILY)<a name="line.361"></a>
<span class="sourceLineNo">362</span> .getValue(Bytes.toBytes("hbase.hstore.compaction.min")));<a name="line.362"></a>
<span class="sourceLineNo">363</span> }<a name="line.363"></a>
<span class="sourceLineNo">364</span> }<a name="line.364"></a>
<span class="sourceLineNo">365</span> }<a name="line.365"></a>
<span class="sourceLineNo">366</span><a name="line.366"></a>
<span class="sourceLineNo">367</span> @Test<a name="line.367"></a>
<span class="sourceLineNo">368</span> public void testHTableBatchWithEmptyPut() throws IOException, InterruptedException {<a name="line.368"></a>
<span class="sourceLineNo">369</span> try (Table table = TEST_UTIL.createTable(tableName, new byte[][] { FAMILY })) {<a name="line.369"></a>
<span class="sourceLineNo">370</span> TEST_UTIL.waitTableAvailable(tableName, WAITTABLE_MILLIS);<a name="line.370"></a>
<span class="sourceLineNo">371</span> List actions = (List) new ArrayList();<a name="line.371"></a>
<span class="sourceLineNo">372</span> Object[] results = new Object[2];<a name="line.372"></a>
<span class="sourceLineNo">373</span> // create an empty Put<a name="line.373"></a>
<span class="sourceLineNo">374</span> Put put1 = new Put(ROW);<a name="line.374"></a>
<span class="sourceLineNo">375</span> actions.add(put1);<a name="line.375"></a>
<span class="sourceLineNo">376</span><a name="line.376"></a>
<span class="sourceLineNo">377</span> Put put2 = new Put(ANOTHERROW);<a name="line.377"></a>
<span class="sourceLineNo">378</span> put2.addColumn(FAMILY, QUALIFIER, VALUE);<a name="line.378"></a>
<span class="sourceLineNo">379</span> actions.add(put2);<a name="line.379"></a>
<span class="sourceLineNo">380</span><a name="line.380"></a>
<span class="sourceLineNo">381</span> table.batch(actions, results);<a name="line.381"></a>
<span class="sourceLineNo">382</span> fail("Empty Put should have failed the batch call");<a name="line.382"></a>
<span class="sourceLineNo">383</span> } catch (IllegalArgumentException iae) {<a name="line.383"></a>
<span class="sourceLineNo">384</span> }<a name="line.384"></a>
<span class="sourceLineNo">385</span> }<a name="line.385"></a>
<span class="sourceLineNo">386</span><a name="line.386"></a>
<span class="sourceLineNo">387</span> // Test Table.batch with large amount of mutations against the same key.<a name="line.387"></a>
<span class="sourceLineNo">388</span> // It used to trigger read lock's "Maximum lock count exceeded" Error.<a name="line.388"></a>
<span class="sourceLineNo">389</span> @Test<a name="line.389"></a>
<span class="sourceLineNo">390</span> public void testHTableWithLargeBatch() throws IOException, InterruptedException {<a name="line.390"></a>
<span class="sourceLineNo">391</span> int sixtyFourK = 64 * 1024;<a name="line.391"></a>
<span class="sourceLineNo">392</span> List actions = new ArrayList();<a name="line.392"></a>
<span class="sourceLineNo">393</span> Object[] results = new Object[(sixtyFourK + 1) * 2];<a name="line.393"></a>
<span class="sourceLineNo">394</span><a name="line.394"></a>
<span class="sourceLineNo">395</span> try (Table table = TEST_UTIL.createTable(tableName, new byte[][] { FAMILY })) {<a name="line.395"></a>
<span class="sourceLineNo">396</span> TEST_UTIL.waitTableAvailable(tableName, WAITTABLE_MILLIS);<a name="line.396"></a>
<span class="sourceLineNo">397</span><a name="line.397"></a>
<span class="sourceLineNo">398</span> for (int i = 0; i &lt; sixtyFourK + 1; i++) {<a name="line.398"></a>
<span class="sourceLineNo">399</span> Put put1 = new Put(ROW);<a name="line.399"></a>
<span class="sourceLineNo">400</span> put1.addColumn(FAMILY, QUALIFIER, VALUE);<a name="line.400"></a>
<span class="sourceLineNo">401</span> actions.add(put1);<a name="line.401"></a>
<span class="sourceLineNo">402</span><a name="line.402"></a>
<span class="sourceLineNo">403</span> Put put2 = new Put(ANOTHERROW);<a name="line.403"></a>
<span class="sourceLineNo">404</span> put2.addColumn(FAMILY, QUALIFIER, VALUE);<a name="line.404"></a>
<span class="sourceLineNo">405</span> actions.add(put2);<a name="line.405"></a>
<span class="sourceLineNo">406</span> }<a name="line.406"></a>
<span class="sourceLineNo">407</span><a name="line.407"></a>
<span class="sourceLineNo">408</span> table.batch(actions, results);<a name="line.408"></a>
<span class="sourceLineNo">409</span> }<a name="line.409"></a>
<span class="sourceLineNo">410</span> }<a name="line.410"></a>
<span class="sourceLineNo">411</span><a name="line.411"></a>
<span class="sourceLineNo">412</span> @Test<a name="line.412"></a>
<span class="sourceLineNo">413</span> public void testBatchWithRowMutation() throws Exception {<a name="line.413"></a>
<span class="sourceLineNo">414</span> LOG.info("Starting testBatchWithRowMutation");<a name="line.414"></a>
<span class="sourceLineNo">415</span> byte[][] QUALIFIERS = new byte[][] { Bytes.toBytes("a"), Bytes.toBytes("b") };<a name="line.415"></a>
<span class="sourceLineNo">416</span><a name="line.416"></a>
<span class="sourceLineNo">417</span> try (Table table = TEST_UTIL.createTable(tableName, new byte[][] { FAMILY })) {<a name="line.417"></a>
<span class="sourceLineNo">418</span> TEST_UTIL.waitTableAvailable(tableName, WAITTABLE_MILLIS);<a name="line.418"></a>
<span class="sourceLineNo">419</span><a name="line.419"></a>
<span class="sourceLineNo">420</span> RowMutations arm = RowMutations<a name="line.420"></a>
<span class="sourceLineNo">421</span> .of(Collections.singletonList(new Put(ROW).addColumn(FAMILY, QUALIFIERS[0], VALUE)));<a name="line.421"></a>
<span class="sourceLineNo">422</span> Object[] batchResult = new Object[1];<a name="line.422"></a>
<span class="sourceLineNo">423</span> table.batch(Arrays.asList(arm), batchResult);<a name="line.423"></a>
<span class="sourceLineNo">424</span><a name="line.424"></a>
<span class="sourceLineNo">425</span> Get g = new Get(ROW);<a name="line.425"></a>
<span class="sourceLineNo">426</span> Result r = table.get(g);<a name="line.426"></a>
<span class="sourceLineNo">427</span> assertEquals(0, Bytes.compareTo(VALUE, r.getValue(FAMILY, QUALIFIERS[0])));<a name="line.427"></a>
<span class="sourceLineNo">428</span><a name="line.428"></a>
<span class="sourceLineNo">429</span> arm = RowMutations.of(Arrays.asList(new Put(ROW).addColumn(FAMILY, QUALIFIERS[1], VALUE),<a name="line.429"></a>
<span class="sourceLineNo">430</span> new Delete(ROW).addColumns(FAMILY, QUALIFIERS[0])));<a name="line.430"></a>
<span class="sourceLineNo">431</span> table.batch(Arrays.asList(arm), batchResult);<a name="line.431"></a>
<span class="sourceLineNo">432</span> r = table.get(g);<a name="line.432"></a>
<span class="sourceLineNo">433</span> assertEquals(0, Bytes.compareTo(VALUE, r.getValue(FAMILY, QUALIFIERS[1])));<a name="line.433"></a>
<span class="sourceLineNo">434</span> assertNull(r.getValue(FAMILY, QUALIFIERS[0]));<a name="line.434"></a>
<span class="sourceLineNo">435</span><a name="line.435"></a>
<span class="sourceLineNo">436</span> // Test that we get the correct remote exception for RowMutations from batch()<a name="line.436"></a>
<span class="sourceLineNo">437</span> try {<a name="line.437"></a>
<span class="sourceLineNo">438</span> arm = RowMutations.of(Collections.singletonList(<a name="line.438"></a>
<span class="sourceLineNo">439</span> new Put(ROW).addColumn(new byte[] { 'b', 'o', 'g', 'u', 's' }, QUALIFIERS[0], VALUE)));<a name="line.439"></a>
<span class="sourceLineNo">440</span> table.batch(Arrays.asList(arm), batchResult);<a name="line.440"></a>
<span class="sourceLineNo">441</span> fail("Expected RetriesExhaustedWithDetailsException with NoSuchColumnFamilyException");<a name="line.441"></a>
<span class="sourceLineNo">442</span> } catch (RetriesExhaustedException e) {<a name="line.442"></a>
<span class="sourceLineNo">443</span> String msg = e.getMessage();<a name="line.443"></a>
<span class="sourceLineNo">444</span> assertTrue(msg.contains("NoSuchColumnFamilyException"));<a name="line.444"></a>
<span class="sourceLineNo">445</span> }<a name="line.445"></a>
<span class="sourceLineNo">446</span> }<a name="line.446"></a>
<span class="sourceLineNo">447</span> }<a name="line.447"></a>
<span class="sourceLineNo">448</span><a name="line.448"></a>
<span class="sourceLineNo">449</span> @Test<a name="line.449"></a>
<span class="sourceLineNo">450</span> public void testBatchWithCheckAndMutate() throws Exception {<a name="line.450"></a>
<span class="sourceLineNo">451</span> try (Table table = TEST_UTIL.createTable(tableName, new byte[][] { FAMILY })) {<a name="line.451"></a>
<span class="sourceLineNo">452</span> byte[] row1 = Bytes.toBytes("row1");<a name="line.452"></a>
<span class="sourceLineNo">453</span> byte[] row2 = Bytes.toBytes("row2");<a name="line.453"></a>
<span class="sourceLineNo">454</span> byte[] row3 = Bytes.toBytes("row3");<a name="line.454"></a>
<span class="sourceLineNo">455</span> byte[] row4 = Bytes.toBytes("row4");<a name="line.455"></a>
<span class="sourceLineNo">456</span> byte[] row5 = Bytes.toBytes("row5");<a name="line.456"></a>
<span class="sourceLineNo">457</span> byte[] row6 = Bytes.toBytes("row6");<a name="line.457"></a>
<span class="sourceLineNo">458</span> byte[] row7 = Bytes.toBytes("row7");<a name="line.458"></a>
<span class="sourceLineNo">459</span><a name="line.459"></a>
<span class="sourceLineNo">460</span> table<a name="line.460"></a>
<span class="sourceLineNo">461</span> .put(Arrays.asList(new Put(row1).addColumn(FAMILY, Bytes.toBytes("A"), Bytes.toBytes("a")),<a name="line.461"></a>
<span class="sourceLineNo">462</span> new Put(row2).addColumn(FAMILY, Bytes.toBytes("B"), Bytes.toBytes("b")),<a name="line.462"></a>
<span class="sourceLineNo">463</span> new Put(row3).addColumn(FAMILY, Bytes.toBytes("C"), Bytes.toBytes("c")),<a name="line.463"></a>
<span class="sourceLineNo">464</span> new Put(row4).addColumn(FAMILY, Bytes.toBytes("D"), Bytes.toBytes("d")),<a name="line.464"></a>
<span class="sourceLineNo">465</span> new Put(row5).addColumn(FAMILY, Bytes.toBytes("E"), Bytes.toBytes("e")),<a name="line.465"></a>
<span class="sourceLineNo">466</span> new Put(row6).addColumn(FAMILY, Bytes.toBytes("F"), Bytes.toBytes(10L)),<a name="line.466"></a>
<span class="sourceLineNo">467</span> new Put(row7).addColumn(FAMILY, Bytes.toBytes("G"), Bytes.toBytes("g"))));<a name="line.467"></a>
<span class="sourceLineNo">468</span><a name="line.468"></a>
<span class="sourceLineNo">469</span> CheckAndMutate checkAndMutate1 =<a name="line.469"></a>
<span class="sourceLineNo">470</span> CheckAndMutate.newBuilder(row1).ifEquals(FAMILY, Bytes.toBytes("A"), Bytes.toBytes("a"))<a name="line.470"></a>
<span class="sourceLineNo">471</span> .build(new RowMutations(row1)<a name="line.471"></a>
<span class="sourceLineNo">472</span> .add(new Put(row1).addColumn(FAMILY, Bytes.toBytes("B"), Bytes.toBytes("g")))<a name="line.472"></a>
<span class="sourceLineNo">473</span> .add(new Delete(row1).addColumns(FAMILY, Bytes.toBytes("A")))<a name="line.473"></a>
<span class="sourceLineNo">474</span> .add(new Increment(row1).addColumn(FAMILY, Bytes.toBytes("C"), 3L))<a name="line.474"></a>
<span class="sourceLineNo">475</span> .add(new Append(row1).addColumn(FAMILY, Bytes.toBytes("D"), Bytes.toBytes("d"))));<a name="line.475"></a>
<span class="sourceLineNo">476</span> Get get = new Get(row2).addColumn(FAMILY, Bytes.toBytes("B"));<a name="line.476"></a>
<span class="sourceLineNo">477</span> RowMutations mutations =<a name="line.477"></a>
<span class="sourceLineNo">478</span> new RowMutations(row3).add(new Delete(row3).addColumns(FAMILY, Bytes.toBytes("C")))<a name="line.478"></a>
<span class="sourceLineNo">479</span> .add(new Put(row3).addColumn(FAMILY, Bytes.toBytes("F"), Bytes.toBytes("f")))<a name="line.479"></a>
<span class="sourceLineNo">480</span> .add(new Increment(row3).addColumn(FAMILY, Bytes.toBytes("A"), 5L))<a name="line.480"></a>
<span class="sourceLineNo">481</span> .add(new Append(row3).addColumn(FAMILY, Bytes.toBytes("B"), Bytes.toBytes("b")));<a name="line.481"></a>
<span class="sourceLineNo">482</span> CheckAndMutate checkAndMutate2 =<a name="line.482"></a>
<span class="sourceLineNo">483</span> CheckAndMutate.newBuilder(row4).ifEquals(FAMILY, Bytes.toBytes("D"), Bytes.toBytes("a"))<a name="line.483"></a>
<span class="sourceLineNo">484</span> .build(new Put(row4).addColumn(FAMILY, Bytes.toBytes("E"), Bytes.toBytes("h")));<a name="line.484"></a>
<span class="sourceLineNo">485</span> Put put = new Put(row5).addColumn(FAMILY, Bytes.toBytes("E"), Bytes.toBytes("f"));<a name="line.485"></a>
<span class="sourceLineNo">486</span> CheckAndMutate checkAndMutate3 =<a name="line.486"></a>
<span class="sourceLineNo">487</span> CheckAndMutate.newBuilder(row6).ifEquals(FAMILY, Bytes.toBytes("F"), Bytes.toBytes(10L))<a name="line.487"></a>
<span class="sourceLineNo">488</span> .build(new Increment(row6).addColumn(FAMILY, Bytes.toBytes("F"), 1));<a name="line.488"></a>
<span class="sourceLineNo">489</span> CheckAndMutate checkAndMutate4 =<a name="line.489"></a>
<span class="sourceLineNo">490</span> CheckAndMutate.newBuilder(row7).ifEquals(FAMILY, Bytes.toBytes("G"), Bytes.toBytes("g"))<a name="line.490"></a>
<span class="sourceLineNo">491</span> .build(new Append(row7).addColumn(FAMILY, Bytes.toBytes("G"), Bytes.toBytes("g")));<a name="line.491"></a>
<span class="sourceLineNo">492</span><a name="line.492"></a>
<span class="sourceLineNo">493</span> List&lt;Row&gt; actions = Arrays.asList(checkAndMutate1, get, mutations, checkAndMutate2, put,<a name="line.493"></a>
<span class="sourceLineNo">494</span> checkAndMutate3, checkAndMutate4);<a name="line.494"></a>
<span class="sourceLineNo">495</span> Object[] results = new Object[actions.size()];<a name="line.495"></a>
<span class="sourceLineNo">496</span> table.batch(actions, results);<a name="line.496"></a>
<span class="sourceLineNo">497</span><a name="line.497"></a>
<span class="sourceLineNo">498</span> CheckAndMutateResult checkAndMutateResult = (CheckAndMutateResult) results[0];<a name="line.498"></a>
<span class="sourceLineNo">499</span> assertTrue(checkAndMutateResult.isSuccess());<a name="line.499"></a>
<span class="sourceLineNo">500</span> assertEquals(3L,<a name="line.500"></a>
<span class="sourceLineNo">501</span> Bytes.toLong(checkAndMutateResult.getResult().getValue(FAMILY, Bytes.toBytes("C"))));<a name="line.501"></a>
<span class="sourceLineNo">502</span> assertEquals("d",<a name="line.502"></a>
<span class="sourceLineNo">503</span> Bytes.toString(checkAndMutateResult.getResult().getValue(FAMILY, Bytes.toBytes("D"))));<a name="line.503"></a>
<span class="sourceLineNo">504</span><a name="line.504"></a>
<span class="sourceLineNo">505</span> assertEquals("b", Bytes.toString(((Result) results[1]).getValue(FAMILY, Bytes.toBytes("B"))));<a name="line.505"></a>
<span class="sourceLineNo">506</span><a name="line.506"></a>
<span class="sourceLineNo">507</span> Result result = (Result) results[2];<a name="line.507"></a>
<span class="sourceLineNo">508</span> assertTrue(result.getExists());<a name="line.508"></a>
<span class="sourceLineNo">509</span> assertEquals(5L, Bytes.toLong(result.getValue(FAMILY, Bytes.toBytes("A"))));<a name="line.509"></a>
<span class="sourceLineNo">510</span> assertEquals("b", Bytes.toString(result.getValue(FAMILY, Bytes.toBytes("B"))));<a name="line.510"></a>
<span class="sourceLineNo">511</span><a name="line.511"></a>
<span class="sourceLineNo">512</span> checkAndMutateResult = (CheckAndMutateResult) results[3];<a name="line.512"></a>
<span class="sourceLineNo">513</span> assertFalse(checkAndMutateResult.isSuccess());<a name="line.513"></a>
<span class="sourceLineNo">514</span> assertNull(checkAndMutateResult.getResult());<a name="line.514"></a>
<span class="sourceLineNo">515</span><a name="line.515"></a>
<span class="sourceLineNo">516</span> assertTrue(((Result) results[4]).isEmpty());<a name="line.516"></a>
<span class="sourceLineNo">517</span><a name="line.517"></a>
<span class="sourceLineNo">518</span> checkAndMutateResult = (CheckAndMutateResult) results[5];<a name="line.518"></a>
<span class="sourceLineNo">519</span> assertTrue(checkAndMutateResult.isSuccess());<a name="line.519"></a>
<span class="sourceLineNo">520</span> assertEquals(11,<a name="line.520"></a>
<span class="sourceLineNo">521</span> Bytes.toLong(checkAndMutateResult.getResult().getValue(FAMILY, Bytes.toBytes("F"))));<a name="line.521"></a>
<span class="sourceLineNo">522</span><a name="line.522"></a>
<span class="sourceLineNo">523</span> checkAndMutateResult = (CheckAndMutateResult) results[6];<a name="line.523"></a>
<span class="sourceLineNo">524</span> assertTrue(checkAndMutateResult.isSuccess());<a name="line.524"></a>
<span class="sourceLineNo">525</span> assertEquals("gg",<a name="line.525"></a>
<span class="sourceLineNo">526</span> Bytes.toString(checkAndMutateResult.getResult().getValue(FAMILY, Bytes.toBytes("G"))));<a name="line.526"></a>
<span class="sourceLineNo">527</span><a name="line.527"></a>
<span class="sourceLineNo">528</span> result = table.get(new Get(row1));<a name="line.528"></a>
<span class="sourceLineNo">529</span> assertEquals("g", Bytes.toString(result.getValue(FAMILY, Bytes.toBytes("B"))));<a name="line.529"></a>
<span class="sourceLineNo">530</span> assertNull(result.getValue(FAMILY, Bytes.toBytes("A")));<a name="line.530"></a>
<span class="sourceLineNo">531</span> assertEquals(3L, Bytes.toLong(result.getValue(FAMILY, Bytes.toBytes("C"))));<a name="line.531"></a>
<span class="sourceLineNo">532</span> assertEquals("d", Bytes.toString(result.getValue(FAMILY, Bytes.toBytes("D"))));<a name="line.532"></a>
<span class="sourceLineNo">533</span><a name="line.533"></a>
<span class="sourceLineNo">534</span> result = table.get(new Get(row3));<a name="line.534"></a>
<span class="sourceLineNo">535</span> assertNull(result.getValue(FAMILY, Bytes.toBytes("C")));<a name="line.535"></a>
<span class="sourceLineNo">536</span> assertEquals("f", Bytes.toString(result.getValue(FAMILY, Bytes.toBytes("F"))));<a name="line.536"></a>
<span class="sourceLineNo">537</span> assertNull(Bytes.toString(result.getValue(FAMILY, Bytes.toBytes("C"))));<a name="line.537"></a>
<span class="sourceLineNo">538</span> assertEquals(5L, Bytes.toLong(result.getValue(FAMILY, Bytes.toBytes("A"))));<a name="line.538"></a>
<span class="sourceLineNo">539</span> assertEquals("b", Bytes.toString(result.getValue(FAMILY, Bytes.toBytes("B"))));<a name="line.539"></a>
<span class="sourceLineNo">540</span><a name="line.540"></a>
<span class="sourceLineNo">541</span> result = table.get(new Get(row4));<a name="line.541"></a>
<span class="sourceLineNo">542</span> assertEquals("d", Bytes.toString(result.getValue(FAMILY, Bytes.toBytes("D"))));<a name="line.542"></a>
<span class="sourceLineNo">543</span><a name="line.543"></a>
<span class="sourceLineNo">544</span> result = table.get(new Get(row5));<a name="line.544"></a>
<span class="sourceLineNo">545</span> assertEquals("f", Bytes.toString(result.getValue(FAMILY, Bytes.toBytes("E"))));<a name="line.545"></a>
<span class="sourceLineNo">546</span><a name="line.546"></a>
<span class="sourceLineNo">547</span> result = table.get(new Get(row6));<a name="line.547"></a>
<span class="sourceLineNo">548</span> assertEquals(11, Bytes.toLong(result.getValue(FAMILY, Bytes.toBytes("F"))));<a name="line.548"></a>
<span class="sourceLineNo">549</span><a name="line.549"></a>
<span class="sourceLineNo">550</span> result = table.get(new Get(row7));<a name="line.550"></a>
<span class="sourceLineNo">551</span> assertEquals("gg", Bytes.toString(result.getValue(FAMILY, Bytes.toBytes("G"))));<a name="line.551"></a>
<span class="sourceLineNo">552</span> }<a name="line.552"></a>
<span class="sourceLineNo">553</span> }<a name="line.553"></a>
<span class="sourceLineNo">554</span><a name="line.554"></a>
<span class="sourceLineNo">555</span> @Test<a name="line.555"></a>
<span class="sourceLineNo">556</span> public void testHTableExistsMethodSingleRegionSingleGet()<a name="line.556"></a>
<span class="sourceLineNo">557</span> throws IOException, InterruptedException {<a name="line.557"></a>
<span class="sourceLineNo">558</span> try (Table table = TEST_UTIL.createTable(tableName, new byte[][] { FAMILY })) {<a name="line.558"></a>
<span class="sourceLineNo">559</span> TEST_UTIL.waitTableAvailable(tableName, WAITTABLE_MILLIS);<a name="line.559"></a>
<span class="sourceLineNo">560</span><a name="line.560"></a>
<span class="sourceLineNo">561</span> // Test with a single region table.<a name="line.561"></a>
<span class="sourceLineNo">562</span> Put put = new Put(ROW);<a name="line.562"></a>
<span class="sourceLineNo">563</span> put.addColumn(FAMILY, QUALIFIER, VALUE);<a name="line.563"></a>
<span class="sourceLineNo">564</span><a name="line.564"></a>
<span class="sourceLineNo">565</span> Get get = new Get(ROW);<a name="line.565"></a>
<span class="sourceLineNo">566</span><a name="line.566"></a>
<span class="sourceLineNo">567</span> boolean exist = table.exists(get);<a name="line.567"></a>
<span class="sourceLineNo">568</span> assertFalse(exist);<a name="line.568"></a>
<span class="sourceLineNo">569</span><a name="line.569"></a>
<span class="sourceLineNo">570</span> table.put(put);<a name="line.570"></a>
<span class="sourceLineNo">571</span><a name="line.571"></a>
<span class="sourceLineNo">572</span> exist = table.exists(get);<a name="line.572"></a>
<span class="sourceLineNo">573</span> assertTrue(exist);<a name="line.573"></a>
<span class="sourceLineNo">574</span> }<a name="line.574"></a>
<span class="sourceLineNo">575</span> }<a name="line.575"></a>
<span class="sourceLineNo">576</span><a name="line.576"></a>
<span class="sourceLineNo">577</span> @Test<a name="line.577"></a>
<span class="sourceLineNo">578</span> public void testHTableExistsMethodSingleRegionMultipleGets()<a name="line.578"></a>
<span class="sourceLineNo">579</span> throws IOException, InterruptedException {<a name="line.579"></a>
<span class="sourceLineNo">580</span> try (Table table = TEST_UTIL.createTable(tableName, new byte[][] { FAMILY })) {<a name="line.580"></a>
<span class="sourceLineNo">581</span> TEST_UTIL.waitTableAvailable(tableName, WAITTABLE_MILLIS);<a name="line.581"></a>
<span class="sourceLineNo">582</span><a name="line.582"></a>
<span class="sourceLineNo">583</span> Put put = new Put(ROW);<a name="line.583"></a>
<span class="sourceLineNo">584</span> put.addColumn(FAMILY, QUALIFIER, VALUE);<a name="line.584"></a>
<span class="sourceLineNo">585</span> table.put(put);<a name="line.585"></a>
<span class="sourceLineNo">586</span><a name="line.586"></a>
<span class="sourceLineNo">587</span> List&lt;Get&gt; gets = new ArrayList&lt;&gt;();<a name="line.587"></a>
<span class="sourceLineNo">588</span> gets.add(new Get(ROW));<a name="line.588"></a>
<span class="sourceLineNo">589</span> gets.add(new Get(ANOTHERROW));<a name="line.589"></a>
<span class="sourceLineNo">590</span><a name="line.590"></a>
<span class="sourceLineNo">591</span> boolean[] results = table.exists(gets);<a name="line.591"></a>
<span class="sourceLineNo">592</span> assertTrue(results[0]);<a name="line.592"></a>
<span class="sourceLineNo">593</span> assertFalse(results[1]);<a name="line.593"></a>
<span class="sourceLineNo">594</span> }<a name="line.594"></a>
<span class="sourceLineNo">595</span> }<a name="line.595"></a>
<span class="sourceLineNo">596</span><a name="line.596"></a>
<span class="sourceLineNo">597</span> @Test<a name="line.597"></a>
<span class="sourceLineNo">598</span> public void testHTableExistsBeforeGet() throws IOException, InterruptedException {<a name="line.598"></a>
<span class="sourceLineNo">599</span> try (Table table = TEST_UTIL.createTable(tableName, new byte[][] { FAMILY })) {<a name="line.599"></a>
<span class="sourceLineNo">600</span> TEST_UTIL.waitTableAvailable(tableName, WAITTABLE_MILLIS);<a name="line.600"></a>
<span class="sourceLineNo">601</span><a name="line.601"></a>
<span class="sourceLineNo">602</span> Put put = new Put(ROW);<a name="line.602"></a>
<span class="sourceLineNo">603</span> put.addColumn(FAMILY, QUALIFIER, VALUE);<a name="line.603"></a>
<span class="sourceLineNo">604</span> table.put(put);<a name="line.604"></a>
<span class="sourceLineNo">605</span><a name="line.605"></a>
<span class="sourceLineNo">606</span> Get get = new Get(ROW);<a name="line.606"></a>
<span class="sourceLineNo">607</span><a name="line.607"></a>
<span class="sourceLineNo">608</span> boolean exist = table.exists(get);<a name="line.608"></a>
<span class="sourceLineNo">609</span> assertEquals(true, exist);<a name="line.609"></a>
<span class="sourceLineNo">610</span><a name="line.610"></a>
<span class="sourceLineNo">611</span> Result result = table.get(get);<a name="line.611"></a>
<span class="sourceLineNo">612</span> assertEquals(false, result.isEmpty());<a name="line.612"></a>
<span class="sourceLineNo">613</span> assertTrue(Bytes.equals(VALUE, result.getValue(FAMILY, QUALIFIER)));<a name="line.613"></a>
<span class="sourceLineNo">614</span> }<a name="line.614"></a>
<span class="sourceLineNo">615</span> }<a name="line.615"></a>
<span class="sourceLineNo">616</span><a name="line.616"></a>
<span class="sourceLineNo">617</span> @Test<a name="line.617"></a>
<span class="sourceLineNo">618</span> public void testHTableExistsAllBeforeGet() throws IOException, InterruptedException {<a name="line.618"></a>
<span class="sourceLineNo">619</span> try (Table table = TEST_UTIL.createTable(tableName, new byte[][] { FAMILY })) {<a name="line.619"></a>
<span class="sourceLineNo">620</span> TEST_UTIL.waitTableAvailable(tableName, WAITTABLE_MILLIS);<a name="line.620"></a>
<span class="sourceLineNo">621</span><a name="line.621"></a>
<span class="sourceLineNo">622</span> final byte[] ROW2 = Bytes.add(ROW, Bytes.toBytes("2"));<a name="line.622"></a>
<span class="sourceLineNo">623</span> Put put = new Put(ROW);<a name="line.623"></a>
<span class="sourceLineNo">624</span> put.addColumn(FAMILY, QUALIFIER, VALUE);<a name="line.624"></a>
<span class="sourceLineNo">625</span> table.put(put);<a name="line.625"></a>
<span class="sourceLineNo">626</span> put = new Put(ROW2);<a name="line.626"></a>
<span class="sourceLineNo">627</span> put.addColumn(FAMILY, QUALIFIER, VALUE);<a name="line.627"></a>
<span class="sourceLineNo">628</span> table.put(put);<a name="line.628"></a>
<span class="sourceLineNo">629</span><a name="line.629"></a>
<span class="sourceLineNo">630</span> Get get = new Get(ROW);<a name="line.630"></a>
<span class="sourceLineNo">631</span> Get get2 = new Get(ROW2);<a name="line.631"></a>
<span class="sourceLineNo">632</span> ArrayList&lt;Get&gt; getList = new ArrayList(2);<a name="line.632"></a>
<span class="sourceLineNo">633</span> getList.add(get);<a name="line.633"></a>
<span class="sourceLineNo">634</span> getList.add(get2);<a name="line.634"></a>
<span class="sourceLineNo">635</span><a name="line.635"></a>
<span class="sourceLineNo">636</span> boolean[] exists = table.exists(getList);<a name="line.636"></a>
<span class="sourceLineNo">637</span> assertEquals(true, exists[0]);<a name="line.637"></a>
<span class="sourceLineNo">638</span> assertEquals(true, exists[1]);<a name="line.638"></a>
<span class="sourceLineNo">639</span><a name="line.639"></a>
<span class="sourceLineNo">640</span> Result[] result = table.get(getList);<a name="line.640"></a>
<span class="sourceLineNo">641</span> assertEquals(false, result[0].isEmpty());<a name="line.641"></a>
<span class="sourceLineNo">642</span> assertTrue(Bytes.equals(VALUE, result[0].getValue(FAMILY, QUALIFIER)));<a name="line.642"></a>
<span class="sourceLineNo">643</span> assertEquals(false, result[1].isEmpty());<a name="line.643"></a>
<span class="sourceLineNo">644</span> assertTrue(Bytes.equals(VALUE, result[1].getValue(FAMILY, QUALIFIER)));<a name="line.644"></a>
<span class="sourceLineNo">645</span> }<a name="line.645"></a>
<span class="sourceLineNo">646</span> }<a name="line.646"></a>
<span class="sourceLineNo">647</span><a name="line.647"></a>
<span class="sourceLineNo">648</span> @Test<a name="line.648"></a>
<span class="sourceLineNo">649</span> public void testHTableExistsMethodMultipleRegionsSingleGet() throws Exception {<a name="line.649"></a>
<span class="sourceLineNo">650</span> try (Table table = TEST_UTIL.createTable(tableName, new byte[][] { FAMILY }, 1,<a name="line.650"></a>
<span class="sourceLineNo">651</span> new byte[] { 0x00 }, new byte[] { (byte) 0xff }, 255)) {<a name="line.651"></a>
<span class="sourceLineNo">652</span> TEST_UTIL.waitTableAvailable(tableName, WAITTABLE_MILLIS);<a name="line.652"></a>
<span class="sourceLineNo">653</span><a name="line.653"></a>
<span class="sourceLineNo">654</span> Put put = new Put(ROW);<a name="line.654"></a>
<span class="sourceLineNo">655</span> put.addColumn(FAMILY, QUALIFIER, VALUE);<a name="line.655"></a>
<span class="sourceLineNo">656</span><a name="line.656"></a>
<span class="sourceLineNo">657</span> Get get = new Get(ROW);<a name="line.657"></a>
<span class="sourceLineNo">658</span><a name="line.658"></a>
<span class="sourceLineNo">659</span> boolean exist = table.exists(get);<a name="line.659"></a>
<span class="sourceLineNo">660</span> assertFalse(exist);<a name="line.660"></a>
<span class="sourceLineNo">661</span><a name="line.661"></a>
<span class="sourceLineNo">662</span> table.put(put);<a name="line.662"></a>
<span class="sourceLineNo">663</span><a name="line.663"></a>
<span class="sourceLineNo">664</span> exist = table.exists(get);<a name="line.664"></a>
<span class="sourceLineNo">665</span> assertTrue(exist);<a name="line.665"></a>
<span class="sourceLineNo">666</span> }<a name="line.666"></a>
<span class="sourceLineNo">667</span> }<a name="line.667"></a>
<span class="sourceLineNo">668</span><a name="line.668"></a>
<span class="sourceLineNo">669</span> @Test<a name="line.669"></a>
<span class="sourceLineNo">670</span> public void testHTableExistsMethodMultipleRegionsMultipleGets() throws Exception {<a name="line.670"></a>
<span class="sourceLineNo">671</span> try (Table table = TEST_UTIL.createTable(tableName, new byte[][] { FAMILY }, 1,<a name="line.671"></a>
<span class="sourceLineNo">672</span> new byte[] { 0x00 }, new byte[] { (byte) 0xff }, 255)) {<a name="line.672"></a>
<span class="sourceLineNo">673</span> TEST_UTIL.waitTableAvailable(tableName, WAITTABLE_MILLIS);<a name="line.673"></a>
<span class="sourceLineNo">674</span><a name="line.674"></a>
<span class="sourceLineNo">675</span> Put put = new Put(ROW);<a name="line.675"></a>
<span class="sourceLineNo">676</span> put.addColumn(FAMILY, QUALIFIER, VALUE);<a name="line.676"></a>
<span class="sourceLineNo">677</span> table.put(put);<a name="line.677"></a>
<span class="sourceLineNo">678</span><a name="line.678"></a>
<span class="sourceLineNo">679</span> List&lt;Get&gt; gets = new ArrayList&lt;&gt;();<a name="line.679"></a>
<span class="sourceLineNo">680</span> gets.add(new Get(ANOTHERROW));<a name="line.680"></a>
<span class="sourceLineNo">681</span> gets.add(new Get(Bytes.add(ROW, new byte[] { 0x00 })));<a name="line.681"></a>
<span class="sourceLineNo">682</span> gets.add(new Get(ROW));<a name="line.682"></a>
<span class="sourceLineNo">683</span> gets.add(new Get(Bytes.add(ANOTHERROW, new byte[] { 0x00 })));<a name="line.683"></a>
<span class="sourceLineNo">684</span><a name="line.684"></a>
<span class="sourceLineNo">685</span> LOG.info("Calling exists");<a name="line.685"></a>
<span class="sourceLineNo">686</span> boolean[] results = table.exists(gets);<a name="line.686"></a>
<span class="sourceLineNo">687</span> assertFalse(results[0]);<a name="line.687"></a>
<span class="sourceLineNo">688</span> assertFalse(results[1]);<a name="line.688"></a>
<span class="sourceLineNo">689</span> assertTrue(results[2]);<a name="line.689"></a>
<span class="sourceLineNo">690</span> assertFalse(results[3]);<a name="line.690"></a>
<span class="sourceLineNo">691</span><a name="line.691"></a>
<span class="sourceLineNo">692</span> // Test with the first region.<a name="line.692"></a>
<span class="sourceLineNo">693</span> put = new Put(new byte[] { 0x00 });<a name="line.693"></a>
<span class="sourceLineNo">694</span> put.addColumn(FAMILY, QUALIFIER, VALUE);<a name="line.694"></a>
<span class="sourceLineNo">695</span> table.put(put);<a name="line.695"></a>
<span class="sourceLineNo">696</span><a name="line.696"></a>
<span class="sourceLineNo">697</span> gets = new ArrayList&lt;&gt;();<a name="line.697"></a>
<span class="sourceLineNo">698</span> gets.add(new Get(new byte[] { 0x00 }));<a name="line.698"></a>
<span class="sourceLineNo">699</span> gets.add(new Get(new byte[] { 0x00, 0x00 }));<a name="line.699"></a>
<span class="sourceLineNo">700</span> results = table.exists(gets);<a name="line.700"></a>
<span class="sourceLineNo">701</span> assertTrue(results[0]);<a name="line.701"></a>
<span class="sourceLineNo">702</span> assertFalse(results[1]);<a name="line.702"></a>
<span class="sourceLineNo">703</span><a name="line.703"></a>
<span class="sourceLineNo">704</span> // Test with the last region<a name="line.704"></a>
<span class="sourceLineNo">705</span> put = new Put(new byte[] { (byte) 0xff, (byte) 0xff });<a name="line.705"></a>
<span class="sourceLineNo">706</span> put.addColumn(FAMILY, QUALIFIER, VALUE);<a name="line.706"></a>
<span class="sourceLineNo">707</span> table.put(put);<a name="line.707"></a>
<span class="sourceLineNo">708</span><a name="line.708"></a>
<span class="sourceLineNo">709</span> gets = new ArrayList&lt;&gt;();<a name="line.709"></a>
<span class="sourceLineNo">710</span> gets.add(new Get(new byte[] { (byte) 0xff }));<a name="line.710"></a>
<span class="sourceLineNo">711</span> gets.add(new Get(new byte[] { (byte) 0xff, (byte) 0xff }));<a name="line.711"></a>
<span class="sourceLineNo">712</span> gets.add(new Get(new byte[] { (byte) 0xff, (byte) 0xff, (byte) 0xff }));<a name="line.712"></a>
<span class="sourceLineNo">713</span> results = table.exists(gets);<a name="line.713"></a>
<span class="sourceLineNo">714</span> assertFalse(results[0]);<a name="line.714"></a>
<span class="sourceLineNo">715</span> assertTrue(results[1]);<a name="line.715"></a>
<span class="sourceLineNo">716</span> assertFalse(results[2]);<a name="line.716"></a>
<span class="sourceLineNo">717</span> }<a name="line.717"></a>
<span class="sourceLineNo">718</span> }<a name="line.718"></a>
<span class="sourceLineNo">719</span><a name="line.719"></a>
<span class="sourceLineNo">720</span> @Test<a name="line.720"></a>
<span class="sourceLineNo">721</span> public void testGetEmptyRow() throws Exception {<a name="line.721"></a>
<span class="sourceLineNo">722</span> // Create a table and put in 1 row<a name="line.722"></a>
<span class="sourceLineNo">723</span> try (Table table = TEST_UTIL.createTable(tableName, new byte[][] { FAMILY })) {<a name="line.723"></a>
<span class="sourceLineNo">724</span> TEST_UTIL.waitTableAvailable(tableName, WAITTABLE_MILLIS);<a name="line.724"></a>
<span class="sourceLineNo">725</span><a name="line.725"></a>
<span class="sourceLineNo">726</span> Put put = new Put(ROW_BYTES);<a name="line.726"></a>
<span class="sourceLineNo">727</span> put.addColumn(FAMILY, COL_QUAL, VAL_BYTES);<a name="line.727"></a>
<span class="sourceLineNo">728</span> table.put(put);<a name="line.728"></a>
<span class="sourceLineNo">729</span><a name="line.729"></a>
<span class="sourceLineNo">730</span> // Try getting the row with an empty row key<a name="line.730"></a>
<span class="sourceLineNo">731</span> Result res = null;<a name="line.731"></a>
<span class="sourceLineNo">732</span> try {<a name="line.732"></a>
<span class="sourceLineNo">733</span> res = table.get(new Get(new byte[0]));<a name="line.733"></a>
<span class="sourceLineNo">734</span> fail();<a name="line.734"></a>
<span class="sourceLineNo">735</span> } catch (IllegalArgumentException e) {<a name="line.735"></a>
<span class="sourceLineNo">736</span> // Expected.<a name="line.736"></a>
<span class="sourceLineNo">737</span> }<a name="line.737"></a>
<span class="sourceLineNo">738</span> assertTrue(res == null);<a name="line.738"></a>
<span class="sourceLineNo">739</span> res = table.get(new Get(Bytes.toBytes("r1-not-exist")));<a name="line.739"></a>
<span class="sourceLineNo">740</span> assertTrue(res.isEmpty() == true);<a name="line.740"></a>
<span class="sourceLineNo">741</span> res = table.get(new Get(ROW_BYTES));<a name="line.741"></a>
<span class="sourceLineNo">742</span> assertTrue(Arrays.equals(res.getValue(FAMILY, COL_QUAL), VAL_BYTES));<a name="line.742"></a>
<span class="sourceLineNo">743</span> }<a name="line.743"></a>
<span class="sourceLineNo">744</span> }<a name="line.744"></a>
<span class="sourceLineNo">745</span><a name="line.745"></a>
<span class="sourceLineNo">746</span> @Test<a name="line.746"></a>
<span class="sourceLineNo">747</span> public void testConnectionDefaultUsesCodec() throws Exception {<a name="line.747"></a>
<span class="sourceLineNo">748</span> try (<a name="line.748"></a>
<span class="sourceLineNo">749</span> RpcClient client = RpcClientFactory.createClient(TEST_UTIL.getConfiguration(), "cluster")) {<a name="line.749"></a>
<span class="sourceLineNo">750</span> assertTrue(client.hasCellBlockSupport());<a name="line.750"></a>
<span class="sourceLineNo">751</span> }<a name="line.751"></a>
<span class="sourceLineNo">752</span> }<a name="line.752"></a>
<span class="sourceLineNo">753</span><a name="line.753"></a>
<span class="sourceLineNo">754</span> @Test<a name="line.754"></a>
<span class="sourceLineNo">755</span> public void testPutWithPreBatchMutate() throws Exception {<a name="line.755"></a>
<span class="sourceLineNo">756</span> testPreBatchMutate(tableName, () -&gt; {<a name="line.756"></a>
<span class="sourceLineNo">757</span> try (Table t = TEST_UTIL.getConnection().getTable(tableName)) {<a name="line.757"></a>
<span class="sourceLineNo">758</span> Put put = new Put(ROW);<a name="line.758"></a>
<span class="sourceLineNo">759</span> put.addColumn(FAMILY, QUALIFIER, VALUE);<a name="line.759"></a>
<span class="sourceLineNo">760</span> t.put(put);<a name="line.760"></a>
<span class="sourceLineNo">761</span> } catch (IOException ex) {<a name="line.761"></a>
<span class="sourceLineNo">762</span> throw new RuntimeException(ex);<a name="line.762"></a>
<span class="sourceLineNo">763</span> }<a name="line.763"></a>
<span class="sourceLineNo">764</span> });<a name="line.764"></a>
<span class="sourceLineNo">765</span> }<a name="line.765"></a>
<span class="sourceLineNo">766</span><a name="line.766"></a>
<span class="sourceLineNo">767</span> @Test<a name="line.767"></a>
<span class="sourceLineNo">768</span> public void testRowMutationsWithPreBatchMutate() throws Exception {<a name="line.768"></a>
<span class="sourceLineNo">769</span> testPreBatchMutate(tableName, () -&gt; {<a name="line.769"></a>
<span class="sourceLineNo">770</span> try (Table t = TEST_UTIL.getConnection().getTable(tableName)) {<a name="line.770"></a>
<span class="sourceLineNo">771</span> RowMutations rm = new RowMutations(ROW, 1);<a name="line.771"></a>
<span class="sourceLineNo">772</span> Put put = new Put(ROW);<a name="line.772"></a>
<span class="sourceLineNo">773</span> put.addColumn(FAMILY, QUALIFIER, VALUE);<a name="line.773"></a>
<span class="sourceLineNo">774</span> rm.add(put);<a name="line.774"></a>
<span class="sourceLineNo">775</span> t.mutateRow(rm);<a name="line.775"></a>
<span class="sourceLineNo">776</span> } catch (IOException ex) {<a name="line.776"></a>
<span class="sourceLineNo">777</span> throw new RuntimeException(ex);<a name="line.777"></a>
<span class="sourceLineNo">778</span> }<a name="line.778"></a>
<span class="sourceLineNo">779</span> });<a name="line.779"></a>
<span class="sourceLineNo">780</span> }<a name="line.780"></a>
<span class="sourceLineNo">781</span><a name="line.781"></a>
<span class="sourceLineNo">782</span> private void testPreBatchMutate(TableName tableName, Runnable rn) throws Exception {<a name="line.782"></a>
<span class="sourceLineNo">783</span> TableDescriptor tableDescriptor = TableDescriptorBuilder.newBuilder(tableName)<a name="line.783"></a>
<span class="sourceLineNo">784</span> .setColumnFamily(ColumnFamilyDescriptorBuilder.of(FAMILY))<a name="line.784"></a>
<span class="sourceLineNo">785</span> .setCoprocessor(WaitingForScanObserver.class.getName()).build();<a name="line.785"></a>
<span class="sourceLineNo">786</span> TEST_UTIL.getAdmin().createTable(tableDescriptor);<a name="line.786"></a>
<span class="sourceLineNo">787</span> // Don't use waitTableAvailable(), because the scanner will mess up the co-processor<a name="line.787"></a>
<span class="sourceLineNo">788</span><a name="line.788"></a>
<span class="sourceLineNo">789</span> ExecutorService service = Executors.newFixedThreadPool(2);<a name="line.789"></a>
<span class="sourceLineNo">790</span> service.execute(rn);<a name="line.790"></a>
<span class="sourceLineNo">791</span> final List&lt;Cell&gt; cells = new ArrayList&lt;&gt;();<a name="line.791"></a>
<span class="sourceLineNo">792</span> service.execute(() -&gt; {<a name="line.792"></a>
<span class="sourceLineNo">793</span> try {<a name="line.793"></a>
<span class="sourceLineNo">794</span> // waiting for update.<a name="line.794"></a>
<span class="sourceLineNo">795</span> TimeUnit.SECONDS.sleep(3);<a name="line.795"></a>
<span class="sourceLineNo">796</span> try (Table t = TEST_UTIL.getConnection().getTable(tableName)) {<a name="line.796"></a>
<span class="sourceLineNo">797</span> Scan scan = new Scan();<a name="line.797"></a>
<span class="sourceLineNo">798</span> try (ResultScanner scanner = t.getScanner(scan)) {<a name="line.798"></a>
<span class="sourceLineNo">799</span> for (Result r : scanner) {<a name="line.799"></a>
<span class="sourceLineNo">800</span> cells.addAll(Arrays.asList(r.rawCells()));<a name="line.800"></a>
<span class="sourceLineNo">801</span> }<a name="line.801"></a>
<span class="sourceLineNo">802</span> }<a name="line.802"></a>
<span class="sourceLineNo">803</span> }<a name="line.803"></a>
<span class="sourceLineNo">804</span> } catch (IOException | InterruptedException ex) {<a name="line.804"></a>
<span class="sourceLineNo">805</span> throw new RuntimeException(ex);<a name="line.805"></a>
<span class="sourceLineNo">806</span> }<a name="line.806"></a>
<span class="sourceLineNo">807</span> });<a name="line.807"></a>
<span class="sourceLineNo">808</span> service.shutdown();<a name="line.808"></a>
<span class="sourceLineNo">809</span> service.awaitTermination(Long.MAX_VALUE, TimeUnit.DAYS);<a name="line.809"></a>
<span class="sourceLineNo">810</span> assertEquals("The write is blocking by RegionObserver#postBatchMutate"<a name="line.810"></a>
<span class="sourceLineNo">811</span> + ", so the data is invisible to reader", 0, cells.size());<a name="line.811"></a>
<span class="sourceLineNo">812</span> TEST_UTIL.deleteTable(tableName);<a name="line.812"></a>
<span class="sourceLineNo">813</span> }<a name="line.813"></a>
<span class="sourceLineNo">814</span><a name="line.814"></a>
<span class="sourceLineNo">815</span> @Test<a name="line.815"></a>
<span class="sourceLineNo">816</span> public void testLockLeakWithDelta() throws Exception, Throwable {<a name="line.816"></a>
<span class="sourceLineNo">817</span> TableDescriptor tableDescriptor = TableDescriptorBuilder.newBuilder(tableName)<a name="line.817"></a>
<span class="sourceLineNo">818</span> .setColumnFamily(ColumnFamilyDescriptorBuilder.of(FAMILY))<a name="line.818"></a>
<span class="sourceLineNo">819</span> .setCoprocessor(WaitingForMultiMutationsObserver.class.getName())<a name="line.819"></a>
<span class="sourceLineNo">820</span> .setValue("hbase.rowlock.wait.duration", String.valueOf(5000)).build();<a name="line.820"></a>
<span class="sourceLineNo">821</span> TEST_UTIL.getAdmin().createTable(tableDescriptor);<a name="line.821"></a>
<span class="sourceLineNo">822</span> TEST_UTIL.waitTableAvailable(tableName, WAITTABLE_MILLIS);<a name="line.822"></a>
<span class="sourceLineNo">823</span><a name="line.823"></a>
<span class="sourceLineNo">824</span> // new a connection for lower retry number.<a name="line.824"></a>
<span class="sourceLineNo">825</span> Configuration copy = new Configuration(TEST_UTIL.getConfiguration());<a name="line.825"></a>
<span class="sourceLineNo">826</span> copy.setInt(HConstants.HBASE_CLIENT_RETRIES_NUMBER, 2);<a name="line.826"></a>
<span class="sourceLineNo">827</span> try (Connection con = ConnectionFactory.createConnection(copy)) {<a name="line.827"></a>
<span class="sourceLineNo">828</span> HRegion region = (HRegion) find(tableName);<a name="line.828"></a>
<span class="sourceLineNo">829</span> region.setTimeoutForWriteLock(10);<a name="line.829"></a>
<span class="sourceLineNo">830</span> ExecutorService putService = Executors.newSingleThreadExecutor();<a name="line.830"></a>
<span class="sourceLineNo">831</span> putService.execute(() -&gt; {<a name="line.831"></a>
<span class="sourceLineNo">832</span> try (Table table = con.getTable(tableName)) {<a name="line.832"></a>
<span class="sourceLineNo">833</span> Put put = new Put(ROW);<a name="line.833"></a>
<span class="sourceLineNo">834</span> put.addColumn(FAMILY, QUALIFIER, VALUE);<a name="line.834"></a>
<span class="sourceLineNo">835</span> // the put will be blocked by WaitingForMultiMutationsObserver.<a name="line.835"></a>
<span class="sourceLineNo">836</span> table.put(put);<a name="line.836"></a>
<span class="sourceLineNo">837</span> } catch (IOException ex) {<a name="line.837"></a>
<span class="sourceLineNo">838</span> throw new RuntimeException(ex);<a name="line.838"></a>
<span class="sourceLineNo">839</span> }<a name="line.839"></a>
<span class="sourceLineNo">840</span> });<a name="line.840"></a>
<span class="sourceLineNo">841</span> ExecutorService appendService = Executors.newSingleThreadExecutor();<a name="line.841"></a>
<span class="sourceLineNo">842</span> appendService.execute(() -&gt; {<a name="line.842"></a>
<span class="sourceLineNo">843</span> Append append = new Append(ROW);<a name="line.843"></a>
<span class="sourceLineNo">844</span> append.addColumn(FAMILY, QUALIFIER, VALUE);<a name="line.844"></a>
<span class="sourceLineNo">845</span> try (Table table = con.getTable(tableName)) {<a name="line.845"></a>
<span class="sourceLineNo">846</span> table.append(append);<a name="line.846"></a>
<span class="sourceLineNo">847</span> fail("The APPEND should fail because the target lock is blocked by previous put");<a name="line.847"></a>
<span class="sourceLineNo">848</span> } catch (Exception ex) {<a name="line.848"></a>
<span class="sourceLineNo">849</span> }<a name="line.849"></a>
<span class="sourceLineNo">850</span> });<a name="line.850"></a>
<span class="sourceLineNo">851</span> appendService.shutdown();<a name="line.851"></a>
<span class="sourceLineNo">852</span> appendService.awaitTermination(Long.MAX_VALUE, TimeUnit.DAYS);<a name="line.852"></a>
<span class="sourceLineNo">853</span> WaitingForMultiMutationsObserver observer =<a name="line.853"></a>
<span class="sourceLineNo">854</span> find(tableName, WaitingForMultiMutationsObserver.class);<a name="line.854"></a>
<span class="sourceLineNo">855</span> observer.latch.countDown();<a name="line.855"></a>
<span class="sourceLineNo">856</span> putService.shutdown();<a name="line.856"></a>
<span class="sourceLineNo">857</span> putService.awaitTermination(Long.MAX_VALUE, TimeUnit.DAYS);<a name="line.857"></a>
<span class="sourceLineNo">858</span> try (Table table = con.getTable(tableName)) {<a name="line.858"></a>
<span class="sourceLineNo">859</span> Result r = table.get(new Get(ROW));<a name="line.859"></a>
<span class="sourceLineNo">860</span> assertFalse(r.isEmpty());<a name="line.860"></a>
<span class="sourceLineNo">861</span> assertTrue(Bytes.equals(r.getValue(FAMILY, QUALIFIER), VALUE));<a name="line.861"></a>
<span class="sourceLineNo">862</span> }<a name="line.862"></a>
<span class="sourceLineNo">863</span> }<a name="line.863"></a>
<span class="sourceLineNo">864</span> HRegion region = (HRegion) find(tableName);<a name="line.864"></a>
<span class="sourceLineNo">865</span> int readLockCount = region.getReadLockCount();<a name="line.865"></a>
<span class="sourceLineNo">866</span> LOG.info("readLockCount:" + readLockCount);<a name="line.866"></a>
<span class="sourceLineNo">867</span> assertEquals(0, readLockCount);<a name="line.867"></a>
<span class="sourceLineNo">868</span> }<a name="line.868"></a>
<span class="sourceLineNo">869</span><a name="line.869"></a>
<span class="sourceLineNo">870</span> @Test<a name="line.870"></a>
<span class="sourceLineNo">871</span> public void testMultiRowMutations() throws Exception, Throwable {<a name="line.871"></a>
<span class="sourceLineNo">872</span> TableDescriptor tableDescriptor = TableDescriptorBuilder.newBuilder(tableName)<a name="line.872"></a>
<span class="sourceLineNo">873</span> .setColumnFamily(ColumnFamilyDescriptorBuilder.of(FAMILY))<a name="line.873"></a>
<span class="sourceLineNo">874</span> .setCoprocessor(MultiRowMutationEndpoint.class.getName())<a name="line.874"></a>
<span class="sourceLineNo">875</span> .setCoprocessor(WaitingForMultiMutationsObserver.class.getName())<a name="line.875"></a>
<span class="sourceLineNo">876</span> .setValue("hbase.rowlock.wait.duration", String.valueOf(5000)).build();<a name="line.876"></a>
<span class="sourceLineNo">877</span> TEST_UTIL.getAdmin().createTable(tableDescriptor);<a name="line.877"></a>
<span class="sourceLineNo">878</span> TEST_UTIL.waitTableAvailable(tableName, WAITTABLE_MILLIS);<a name="line.878"></a>
<span class="sourceLineNo">879</span><a name="line.879"></a>
<span class="sourceLineNo">880</span> // new a connection for lower retry number.<a name="line.880"></a>
<span class="sourceLineNo">881</span> Configuration copy = new Configuration(TEST_UTIL.getConfiguration());<a name="line.881"></a>
<span class="sourceLineNo">882</span> copy.setInt(HConstants.HBASE_CLIENT_RETRIES_NUMBER, 2);<a name="line.882"></a>
<span class="sourceLineNo">883</span> try (Connection con = ConnectionFactory.createConnection(copy)) {<a name="line.883"></a>
<span class="sourceLineNo">884</span> byte[] row = Bytes.toBytes("ROW-0");<a name="line.884"></a>
<span class="sourceLineNo">885</span> byte[] rowLocked = Bytes.toBytes("ROW-1");<a name="line.885"></a>
<span class="sourceLineNo">886</span> byte[] value0 = Bytes.toBytes("VALUE-0");<a name="line.886"></a>
<span class="sourceLineNo">887</span> byte[] value1 = Bytes.toBytes("VALUE-1");<a name="line.887"></a>
<span class="sourceLineNo">888</span> byte[] value2 = Bytes.toBytes("VALUE-2");<a name="line.888"></a>
<span class="sourceLineNo">889</span> assertNoLocks(tableName);<a name="line.889"></a>
<span class="sourceLineNo">890</span> ExecutorService putService = Executors.newSingleThreadExecutor();<a name="line.890"></a>
<span class="sourceLineNo">891</span> putService.execute(() -&gt; {<a name="line.891"></a>
<span class="sourceLineNo">892</span> try (Table table = con.getTable(tableName)) {<a name="line.892"></a>
<span class="sourceLineNo">893</span> Put put0 = new Put(rowLocked);<a name="line.893"></a>
<span class="sourceLineNo">894</span> put0.addColumn(FAMILY, QUALIFIER, value0);<a name="line.894"></a>
<span class="sourceLineNo">895</span> // the put will be blocked by WaitingForMultiMutationsObserver.<a name="line.895"></a>
<span class="sourceLineNo">896</span> table.put(put0);<a name="line.896"></a>
<span class="sourceLineNo">897</span> } catch (IOException ex) {<a name="line.897"></a>
<span class="sourceLineNo">898</span> throw new RuntimeException(ex);<a name="line.898"></a>
<span class="sourceLineNo">899</span> }<a name="line.899"></a>
<span class="sourceLineNo">900</span> });<a name="line.900"></a>
<span class="sourceLineNo">901</span> ExecutorService cpService = Executors.newSingleThreadExecutor();<a name="line.901"></a>
<span class="sourceLineNo">902</span> AtomicBoolean exceptionDuringMutateRows = new AtomicBoolean();<a name="line.902"></a>
<span class="sourceLineNo">903</span> cpService.execute(() -&gt; {<a name="line.903"></a>
<span class="sourceLineNo">904</span> Put put1 = new Put(row);<a name="line.904"></a>
<span class="sourceLineNo">905</span> Put put2 = new Put(rowLocked);<a name="line.905"></a>
<span class="sourceLineNo">906</span> put1.addColumn(FAMILY, QUALIFIER, value1);<a name="line.906"></a>
<span class="sourceLineNo">907</span> put2.addColumn(FAMILY, QUALIFIER, value2);<a name="line.907"></a>
<span class="sourceLineNo">908</span> try (Table table = con.getTable(tableName)) {<a name="line.908"></a>
<span class="sourceLineNo">909</span> MultiRowMutationProtos.MutateRowsRequest request =<a name="line.909"></a>
<span class="sourceLineNo">910</span> MultiRowMutationProtos.MutateRowsRequest.newBuilder()<a name="line.910"></a>
<span class="sourceLineNo">911</span> .addMutationRequest(<a name="line.911"></a>
<span class="sourceLineNo">912</span> ProtobufUtil.toMutation(ClientProtos.MutationProto.MutationType.PUT, put1))<a name="line.912"></a>
<span class="sourceLineNo">913</span> .addMutationRequest(<a name="line.913"></a>
<span class="sourceLineNo">914</span> ProtobufUtil.toMutation(ClientProtos.MutationProto.MutationType.PUT, put2))<a name="line.914"></a>
<span class="sourceLineNo">915</span> .build();<a name="line.915"></a>
<span class="sourceLineNo">916</span> table.coprocessorService(MultiRowMutationProtos.MultiRowMutationService.class, ROW, ROW,<a name="line.916"></a>
<span class="sourceLineNo">917</span> (MultiRowMutationProtos.MultiRowMutationService exe) -&gt; {<a name="line.917"></a>
<span class="sourceLineNo">918</span> ServerRpcController controller = new ServerRpcController();<a name="line.918"></a>
<span class="sourceLineNo">919</span> CoprocessorRpcUtils.BlockingRpcCallback&lt;<a name="line.919"></a>
<span class="sourceLineNo">920</span> MultiRowMutationProtos.MutateRowsResponse&gt; rpcCallback =<a name="line.920"></a>
<span class="sourceLineNo">921</span> new CoprocessorRpcUtils.BlockingRpcCallback&lt;&gt;();<a name="line.921"></a>
<span class="sourceLineNo">922</span> exe.mutateRows(controller, request, rpcCallback);<a name="line.922"></a>
<span class="sourceLineNo">923</span> if (<a name="line.923"></a>
<span class="sourceLineNo">924</span> controller.failedOnException()<a name="line.924"></a>
<span class="sourceLineNo">925</span> &amp;&amp; !(controller.getFailedOn() instanceof UnknownProtocolException)<a name="line.925"></a>
<span class="sourceLineNo">926</span> ) {<a name="line.926"></a>
<span class="sourceLineNo">927</span> exceptionDuringMutateRows.set(true);<a name="line.927"></a>
<span class="sourceLineNo">928</span> }<a name="line.928"></a>
<span class="sourceLineNo">929</span> return rpcCallback.get();<a name="line.929"></a>
<span class="sourceLineNo">930</span> });<a name="line.930"></a>
<span class="sourceLineNo">931</span> } catch (Throwable ex) {<a name="line.931"></a>
<span class="sourceLineNo">932</span> LOG.error("encountered " + ex);<a name="line.932"></a>
<span class="sourceLineNo">933</span> }<a name="line.933"></a>
<span class="sourceLineNo">934</span> });<a name="line.934"></a>
<span class="sourceLineNo">935</span> cpService.shutdown();<a name="line.935"></a>
<span class="sourceLineNo">936</span> cpService.awaitTermination(Long.MAX_VALUE, TimeUnit.DAYS);<a name="line.936"></a>
<span class="sourceLineNo">937</span> WaitingForMultiMutationsObserver observer =<a name="line.937"></a>
<span class="sourceLineNo">938</span> find(tableName, WaitingForMultiMutationsObserver.class);<a name="line.938"></a>
<span class="sourceLineNo">939</span> observer.latch.countDown();<a name="line.939"></a>
<span class="sourceLineNo">940</span> putService.shutdown();<a name="line.940"></a>
<span class="sourceLineNo">941</span> putService.awaitTermination(Long.MAX_VALUE, TimeUnit.DAYS);<a name="line.941"></a>
<span class="sourceLineNo">942</span> try (Table table = con.getTable(tableName)) {<a name="line.942"></a>
<span class="sourceLineNo">943</span> Get g0 = new Get(row);<a name="line.943"></a>
<span class="sourceLineNo">944</span> Get g1 = new Get(rowLocked);<a name="line.944"></a>
<span class="sourceLineNo">945</span> Result r0 = table.get(g0);<a name="line.945"></a>
<span class="sourceLineNo">946</span> Result r1 = table.get(g1);<a name="line.946"></a>
<span class="sourceLineNo">947</span> assertTrue(r0.isEmpty());<a name="line.947"></a>
<span class="sourceLineNo">948</span> assertFalse(r1.isEmpty());<a name="line.948"></a>
<span class="sourceLineNo">949</span> assertTrue(Bytes.equals(r1.getValue(FAMILY, QUALIFIER), value0));<a name="line.949"></a>
<span class="sourceLineNo">950</span> }<a name="line.950"></a>
<span class="sourceLineNo">951</span> assertNoLocks(tableName);<a name="line.951"></a>
<span class="sourceLineNo">952</span> if (!exceptionDuringMutateRows.get()) {<a name="line.952"></a>
<span class="sourceLineNo">953</span> fail("This cp should fail because the target lock is blocked by previous put");<a name="line.953"></a>
<span class="sourceLineNo">954</span> }<a name="line.954"></a>
<span class="sourceLineNo">955</span> }<a name="line.955"></a>
<span class="sourceLineNo">956</span> }<a name="line.956"></a>
<span class="sourceLineNo">957</span><a name="line.957"></a>
<span class="sourceLineNo">958</span> /**<a name="line.958"></a>
<span class="sourceLineNo">959</span> * A test case for issue HBASE-17482 After combile seqid with mvcc readpoint, seqid/mvcc is<a name="line.959"></a>
<span class="sourceLineNo">960</span> * acquired and stamped onto cells in the append thread, a countdown latch is used to ensure that<a name="line.960"></a>
<span class="sourceLineNo">961</span> * happened before cells can be put into memstore. But the MVCCPreAssign patch(HBASE-16698) make<a name="line.961"></a>
<span class="sourceLineNo">962</span> * the seqid/mvcc acquirement in handler thread and stamping in append thread No countdown latch<a name="line.962"></a>
<span class="sourceLineNo">963</span> * to assure cells in memstore are stamped with seqid/mvcc. If cells without mvcc(A.K.A mvcc=0)<a name="line.963"></a>
<span class="sourceLineNo">964</span> * are put into memstore, then a scanner with a smaller readpoint can see these data, which<a name="line.964"></a>
<span class="sourceLineNo">965</span> * disobey the multi version concurrency control rules. This test case is to reproduce this<a name="line.965"></a>
<span class="sourceLineNo">966</span> * scenario.<a name="line.966"></a>
<span class="sourceLineNo">967</span> */<a name="line.967"></a>
<span class="sourceLineNo">968</span> @Test<a name="line.968"></a>
<span class="sourceLineNo">969</span> public void testMVCCUsingMVCCPreAssign() throws IOException, InterruptedException {<a name="line.969"></a>
<span class="sourceLineNo">970</span> try (Table table = TEST_UTIL.createTable(tableName, new byte[][] { FAMILY })) {<a name="line.970"></a>
<span class="sourceLineNo">971</span> TEST_UTIL.waitTableAvailable(tableName, WAITTABLE_MILLIS);<a name="line.971"></a>
<span class="sourceLineNo">972</span> // put two row first to init the scanner<a name="line.972"></a>
<span class="sourceLineNo">973</span> Put put = new Put(Bytes.toBytes("0"));<a name="line.973"></a>
<span class="sourceLineNo">974</span> put.addColumn(FAMILY, Bytes.toBytes(""), Bytes.toBytes("0"));<a name="line.974"></a>
<span class="sourceLineNo">975</span> table.put(put);<a name="line.975"></a>
<span class="sourceLineNo">976</span> put = new Put(Bytes.toBytes("00"));<a name="line.976"></a>
<span class="sourceLineNo">977</span> put.addColumn(FAMILY, Bytes.toBytes(""), Bytes.toBytes("0"));<a name="line.977"></a>
<span class="sourceLineNo">978</span> table.put(put);<a name="line.978"></a>
<span class="sourceLineNo">979</span> Scan scan = new Scan();<a name="line.979"></a>
<span class="sourceLineNo">980</span> scan.setTimeRange(0, Long.MAX_VALUE);<a name="line.980"></a>
<span class="sourceLineNo">981</span> scan.setCaching(1);<a name="line.981"></a>
<span class="sourceLineNo">982</span> ResultScanner scanner = table.getScanner(scan);<a name="line.982"></a>
<span class="sourceLineNo">983</span> int rowNum = scanner.next() != null ? 1 : 0;<a name="line.983"></a>
<span class="sourceLineNo">984</span> // the started scanner shouldn't see the rows put below<a name="line.984"></a>
<span class="sourceLineNo">985</span> for (int i = 1; i &lt; 1000; i++) {<a name="line.985"></a>
<span class="sourceLineNo">986</span> put = new Put(Bytes.toBytes(String.valueOf(i)));<a name="line.986"></a>
<span class="sourceLineNo">987</span> put.setDurability(Durability.ASYNC_WAL);<a name="line.987"></a>
<span class="sourceLineNo">988</span> put.addColumn(FAMILY, Bytes.toBytes(""), Bytes.toBytes(i));<a name="line.988"></a>
<span class="sourceLineNo">989</span> table.put(put);<a name="line.989"></a>
<span class="sourceLineNo">990</span> }<a name="line.990"></a>
<span class="sourceLineNo">991</span> for (Result result : scanner) {<a name="line.991"></a>
<span class="sourceLineNo">992</span> rowNum++;<a name="line.992"></a>
<span class="sourceLineNo">993</span> }<a name="line.993"></a>
<span class="sourceLineNo">994</span> // scanner should only see two rows<a name="line.994"></a>
<span class="sourceLineNo">995</span> assertEquals(2, rowNum);<a name="line.995"></a>
<span class="sourceLineNo">996</span> scanner = table.getScanner(scan);<a name="line.996"></a>
<span class="sourceLineNo">997</span> rowNum = 0;<a name="line.997"></a>
<span class="sourceLineNo">998</span> for (Result result : scanner) {<a name="line.998"></a>
<span class="sourceLineNo">999</span> rowNum++;<a name="line.999"></a>
<span class="sourceLineNo">1000</span> }<a name="line.1000"></a>
<span class="sourceLineNo">1001</span> // the new scanner should see all rows<a name="line.1001"></a>
<span class="sourceLineNo">1002</span> assertEquals(1001, rowNum);<a name="line.1002"></a>
<span class="sourceLineNo">1003</span> }<a name="line.1003"></a>
<span class="sourceLineNo">1004</span> }<a name="line.1004"></a>
<span class="sourceLineNo">1005</span><a name="line.1005"></a>
<span class="sourceLineNo">1006</span> @Test<a name="line.1006"></a>
<span class="sourceLineNo">1007</span> public void testPutThenGetWithMultipleThreads() throws Exception {<a name="line.1007"></a>
<span class="sourceLineNo">1008</span> final int THREAD_NUM = 20;<a name="line.1008"></a>
<span class="sourceLineNo">1009</span> final int ROUND_NUM = 10;<a name="line.1009"></a>
<span class="sourceLineNo">1010</span> for (int round = 0; round &lt; ROUND_NUM; round++) {<a name="line.1010"></a>
<span class="sourceLineNo">1011</span> ArrayList&lt;Thread&gt; threads = new ArrayList&lt;&gt;(THREAD_NUM);<a name="line.1011"></a>
<span class="sourceLineNo">1012</span> final AtomicInteger successCnt = new AtomicInteger(0);<a name="line.1012"></a>
<span class="sourceLineNo">1013</span> try (Table ht = TEST_UTIL.createTable(tableName, FAMILY)) {<a name="line.1013"></a>
<span class="sourceLineNo">1014</span> TEST_UTIL.waitTableAvailable(tableName, WAITTABLE_MILLIS);<a name="line.1014"></a>
<span class="sourceLineNo">1015</span><a name="line.1015"></a>
<span class="sourceLineNo">1016</span> for (int i = 0; i &lt; THREAD_NUM; i++) {<a name="line.1016"></a>
<span class="sourceLineNo">1017</span> final int index = i;<a name="line.1017"></a>
<span class="sourceLineNo">1018</span> Thread t = new Thread(new Runnable() {<a name="line.1018"></a>
<span class="sourceLineNo">1019</span><a name="line.1019"></a>
<span class="sourceLineNo">1020</span> @Override<a name="line.1020"></a>
<span class="sourceLineNo">1021</span> public void run() {<a name="line.1021"></a>
<span class="sourceLineNo">1022</span> final byte[] row = Bytes.toBytes("row-" + index);<a name="line.1022"></a>
<span class="sourceLineNo">1023</span> final byte[] value = Bytes.toBytes("v" + index);<a name="line.1023"></a>
<span class="sourceLineNo">1024</span> try {<a name="line.1024"></a>
<span class="sourceLineNo">1025</span> Put put = new Put(row);<a name="line.1025"></a>
<span class="sourceLineNo">1026</span> put.addColumn(FAMILY, QUALIFIER, value);<a name="line.1026"></a>
<span class="sourceLineNo">1027</span> ht.put(put);<a name="line.1027"></a>
<span class="sourceLineNo">1028</span> Get get = new Get(row);<a name="line.1028"></a>
<span class="sourceLineNo">1029</span> Result result = ht.get(get);<a name="line.1029"></a>
<span class="sourceLineNo">1030</span> byte[] returnedValue = result.getValue(FAMILY, QUALIFIER);<a name="line.1030"></a>
<span class="sourceLineNo">1031</span> if (Bytes.equals(value, returnedValue)) {<a name="line.1031"></a>
<span class="sourceLineNo">1032</span> successCnt.getAndIncrement();<a name="line.1032"></a>
<span class="sourceLineNo">1033</span> } else {<a name="line.1033"></a>
<span class="sourceLineNo">1034</span> LOG.error("Should be equal but not, original value: " + Bytes.toString(value)<a name="line.1034"></a>
<span class="sourceLineNo">1035</span> + ", returned value: "<a name="line.1035"></a>
<span class="sourceLineNo">1036</span> + (returnedValue == null ? "null" : Bytes.toString(returnedValue)));<a name="line.1036"></a>
<span class="sourceLineNo">1037</span> }<a name="line.1037"></a>
<span class="sourceLineNo">1038</span> } catch (Throwable e) {<a name="line.1038"></a>
<span class="sourceLineNo">1039</span> // do nothing<a name="line.1039"></a>
<span class="sourceLineNo">1040</span> }<a name="line.1040"></a>
<span class="sourceLineNo">1041</span> }<a name="line.1041"></a>
<span class="sourceLineNo">1042</span> });<a name="line.1042"></a>
<span class="sourceLineNo">1043</span> threads.add(t);<a name="line.1043"></a>
<span class="sourceLineNo">1044</span> }<a name="line.1044"></a>
<span class="sourceLineNo">1045</span> for (Thread t : threads) {<a name="line.1045"></a>
<span class="sourceLineNo">1046</span> t.start();<a name="line.1046"></a>
<span class="sourceLineNo">1047</span> }<a name="line.1047"></a>
<span class="sourceLineNo">1048</span> for (Thread t : threads) {<a name="line.1048"></a>
<span class="sourceLineNo">1049</span> t.join();<a name="line.1049"></a>
<span class="sourceLineNo">1050</span> }<a name="line.1050"></a>
<span class="sourceLineNo">1051</span> assertEquals("Not equal in round " + round, THREAD_NUM, successCnt.get());<a name="line.1051"></a>
<span class="sourceLineNo">1052</span> }<a name="line.1052"></a>
<span class="sourceLineNo">1053</span> TEST_UTIL.deleteTable(tableName);<a name="line.1053"></a>
<span class="sourceLineNo">1054</span> }<a name="line.1054"></a>
<span class="sourceLineNo">1055</span> }<a name="line.1055"></a>
<span class="sourceLineNo">1056</span><a name="line.1056"></a>
<span class="sourceLineNo">1057</span> private static void assertNoLocks(final TableName tableName)<a name="line.1057"></a>
<span class="sourceLineNo">1058</span> throws IOException, InterruptedException {<a name="line.1058"></a>
<span class="sourceLineNo">1059</span> HRegion region = (HRegion) find(tableName);<a name="line.1059"></a>
<span class="sourceLineNo">1060</span> assertEquals(0, region.getLockedRows().size());<a name="line.1060"></a>
<span class="sourceLineNo">1061</span> }<a name="line.1061"></a>
<span class="sourceLineNo">1062</span><a name="line.1062"></a>
<span class="sourceLineNo">1063</span> private static HRegion find(final TableName tableName) throws IOException, InterruptedException {<a name="line.1063"></a>
<span class="sourceLineNo">1064</span> HRegionServer rs = TEST_UTIL.getRSForFirstRegionInTable(tableName);<a name="line.1064"></a>
<span class="sourceLineNo">1065</span> List&lt;HRegion&gt; regions = rs.getRegions(tableName);<a name="line.1065"></a>
<span class="sourceLineNo">1066</span> assertEquals(1, regions.size());<a name="line.1066"></a>
<span class="sourceLineNo">1067</span> return regions.get(0);<a name="line.1067"></a>
<span class="sourceLineNo">1068</span> }<a name="line.1068"></a>
<span class="sourceLineNo">1069</span><a name="line.1069"></a>
<span class="sourceLineNo">1070</span> private static &lt;T extends RegionObserver&gt; T find(final TableName tableName, Class&lt;T&gt; clz)<a name="line.1070"></a>
<span class="sourceLineNo">1071</span> throws IOException, InterruptedException {<a name="line.1071"></a>
<span class="sourceLineNo">1072</span> HRegion region = find(tableName);<a name="line.1072"></a>
<span class="sourceLineNo">1073</span> Coprocessor cp = region.getCoprocessorHost().findCoprocessor(clz.getName());<a name="line.1073"></a>
<span class="sourceLineNo">1074</span> assertTrue("The cp instance should be " + clz.getName() + ", current instance is "<a name="line.1074"></a>
<span class="sourceLineNo">1075</span> + cp.getClass().getName(), clz.isInstance(cp));<a name="line.1075"></a>
<span class="sourceLineNo">1076</span> return clz.cast(cp);<a name="line.1076"></a>
<span class="sourceLineNo">1077</span> }<a name="line.1077"></a>
<span class="sourceLineNo">1078</span><a name="line.1078"></a>
<span class="sourceLineNo">1079</span> public static class WaitingForMultiMutationsObserver<a name="line.1079"></a>
<span class="sourceLineNo">1080</span> implements RegionCoprocessor, RegionObserver {<a name="line.1080"></a>
<span class="sourceLineNo">1081</span> final CountDownLatch latch = new CountDownLatch(1);<a name="line.1081"></a>
<span class="sourceLineNo">1082</span><a name="line.1082"></a>
<span class="sourceLineNo">1083</span> @Override<a name="line.1083"></a>
<span class="sourceLineNo">1084</span> public Optional&lt;RegionObserver&gt; getRegionObserver() {<a name="line.1084"></a>
<span class="sourceLineNo">1085</span> return Optional.of(this);<a name="line.1085"></a>
<span class="sourceLineNo">1086</span> }<a name="line.1086"></a>
<span class="sourceLineNo">1087</span><a name="line.1087"></a>
<span class="sourceLineNo">1088</span> @Override<a name="line.1088"></a>
<span class="sourceLineNo">1089</span> public void postBatchMutate(final ObserverContext&lt;RegionCoprocessorEnvironment&gt; c,<a name="line.1089"></a>
<span class="sourceLineNo">1090</span> final MiniBatchOperationInProgress&lt;Mutation&gt; miniBatchOp) throws IOException {<a name="line.1090"></a>
<span class="sourceLineNo">1091</span> try {<a name="line.1091"></a>
<span class="sourceLineNo">1092</span> latch.await();<a name="line.1092"></a>
<span class="sourceLineNo">1093</span> } catch (InterruptedException ex) {<a name="line.1093"></a>
<span class="sourceLineNo">1094</span> throw new IOException(ex);<a name="line.1094"></a>
<span class="sourceLineNo">1095</span> }<a name="line.1095"></a>
<span class="sourceLineNo">1096</span> }<a name="line.1096"></a>
<span class="sourceLineNo">1097</span> }<a name="line.1097"></a>
<span class="sourceLineNo">1098</span><a name="line.1098"></a>
<span class="sourceLineNo">1099</span> public static class WaitingForScanObserver implements RegionCoprocessor, RegionObserver {<a name="line.1099"></a>
<span class="sourceLineNo">1100</span> private final CountDownLatch latch = new CountDownLatch(1);<a name="line.1100"></a>
<span class="sourceLineNo">1101</span><a name="line.1101"></a>
<span class="sourceLineNo">1102</span> @Override<a name="line.1102"></a>
<span class="sourceLineNo">1103</span> public Optional&lt;RegionObserver&gt; getRegionObserver() {<a name="line.1103"></a>
<span class="sourceLineNo">1104</span> return Optional.of(this);<a name="line.1104"></a>
<span class="sourceLineNo">1105</span> }<a name="line.1105"></a>
<span class="sourceLineNo">1106</span><a name="line.1106"></a>
<span class="sourceLineNo">1107</span> @Override<a name="line.1107"></a>
<span class="sourceLineNo">1108</span> public void postBatchMutate(final ObserverContext&lt;RegionCoprocessorEnvironment&gt; c,<a name="line.1108"></a>
<span class="sourceLineNo">1109</span> final MiniBatchOperationInProgress&lt;Mutation&gt; miniBatchOp) throws IOException {<a name="line.1109"></a>
<span class="sourceLineNo">1110</span> try {<a name="line.1110"></a>
<span class="sourceLineNo">1111</span> // waiting for scanner<a name="line.1111"></a>
<span class="sourceLineNo">1112</span> latch.await();<a name="line.1112"></a>
<span class="sourceLineNo">1113</span> } catch (InterruptedException ex) {<a name="line.1113"></a>
<span class="sourceLineNo">1114</span> throw new IOException(ex);<a name="line.1114"></a>
<span class="sourceLineNo">1115</span> }<a name="line.1115"></a>
<span class="sourceLineNo">1116</span> }<a name="line.1116"></a>
<span class="sourceLineNo">1117</span><a name="line.1117"></a>
<span class="sourceLineNo">1118</span> @Override<a name="line.1118"></a>
<span class="sourceLineNo">1119</span> public RegionScanner postScannerOpen(final ObserverContext&lt;RegionCoprocessorEnvironment&gt; e,<a name="line.1119"></a>
<span class="sourceLineNo">1120</span> final Scan scan, final RegionScanner s) throws IOException {<a name="line.1120"></a>
<span class="sourceLineNo">1121</span> latch.countDown();<a name="line.1121"></a>
<span class="sourceLineNo">1122</span> return s;<a name="line.1122"></a>
<span class="sourceLineNo">1123</span> }<a name="line.1123"></a>
<span class="sourceLineNo">1124</span> }<a name="line.1124"></a>
<span class="sourceLineNo">1125</span><a name="line.1125"></a>
<span class="sourceLineNo">1126</span> static byte[] generateHugeValue(int size) {<a name="line.1126"></a>
<span class="sourceLineNo">1127</span> Random rand = ThreadLocalRandom.current();<a name="line.1127"></a>
<span class="sourceLineNo">1128</span> byte[] value = new byte[size];<a name="line.1128"></a>
<span class="sourceLineNo">1129</span> for (int i = 0; i &lt; value.length; i++) {<a name="line.1129"></a>
<span class="sourceLineNo">1130</span> value[i] = (byte) rand.nextInt(256);<a name="line.1130"></a>
<span class="sourceLineNo">1131</span> }<a name="line.1131"></a>
<span class="sourceLineNo">1132</span> return value;<a name="line.1132"></a>
<span class="sourceLineNo">1133</span> }<a name="line.1133"></a>
<span class="sourceLineNo">1134</span><a name="line.1134"></a>
<span class="sourceLineNo">1135</span> @Test<a name="line.1135"></a>
<span class="sourceLineNo">1136</span> public void testScanWithBatchSizeReturnIncompleteCells()<a name="line.1136"></a>
<span class="sourceLineNo">1137</span> throws IOException, InterruptedException {<a name="line.1137"></a>
<span class="sourceLineNo">1138</span> TableDescriptor hd = TableDescriptorBuilder.newBuilder(tableName)<a name="line.1138"></a>
<span class="sourceLineNo">1139</span> .setColumnFamily(ColumnFamilyDescriptorBuilder.newBuilder(FAMILY).setMaxVersions(3).build())<a name="line.1139"></a>
<span class="sourceLineNo">1140</span> .build();<a name="line.1140"></a>
<span class="sourceLineNo">1141</span> try (Table table = TEST_UTIL.createTable(hd, null)) {<a name="line.1141"></a>
<span class="sourceLineNo">1142</span> TEST_UTIL.waitTableAvailable(tableName, WAITTABLE_MILLIS);<a name="line.1142"></a>
<span class="sourceLineNo">1143</span><a name="line.1143"></a>
<span class="sourceLineNo">1144</span> Put put = new Put(ROW);<a name="line.1144"></a>
<span class="sourceLineNo">1145</span> put.addColumn(FAMILY, Bytes.toBytes(0), generateHugeValue(3 * 1024 * 1024));<a name="line.1145"></a>
<span class="sourceLineNo">1146</span> table.put(put);<a name="line.1146"></a>
<span class="sourceLineNo">1147</span><a name="line.1147"></a>
<span class="sourceLineNo">1148</span> put = new Put(ROW);<a name="line.1148"></a>
<span class="sourceLineNo">1149</span> put.addColumn(FAMILY, Bytes.toBytes(1), generateHugeValue(4 * 1024 * 1024));<a name="line.1149"></a>
<span class="sourceLineNo">1150</span> table.put(put);<a name="line.1150"></a>
<span class="sourceLineNo">1151</span><a name="line.1151"></a>
<span class="sourceLineNo">1152</span> for (int i = 2; i &lt; 5; i++) {<a name="line.1152"></a>
<span class="sourceLineNo">1153</span> for (int version = 0; version &lt; 2; version++) {<a name="line.1153"></a>
<span class="sourceLineNo">1154</span> put = new Put(ROW);<a name="line.1154"></a>
<span class="sourceLineNo">1155</span> put.addColumn(FAMILY, Bytes.toBytes(i), generateHugeValue(1024));<a name="line.1155"></a>
<span class="sourceLineNo">1156</span> table.put(put);<a name="line.1156"></a>
<span class="sourceLineNo">1157</span> }<a name="line.1157"></a>
<span class="sourceLineNo">1158</span> }<a name="line.1158"></a>
<span class="sourceLineNo">1159</span><a name="line.1159"></a>
<span class="sourceLineNo">1160</span> Scan scan = new Scan();<a name="line.1160"></a>
<span class="sourceLineNo">1161</span> scan.withStartRow(ROW).withStopRow(ROW, true).addFamily(FAMILY).setBatch(3)<a name="line.1161"></a>
<span class="sourceLineNo">1162</span> .setMaxResultSize(4 * 1024 * 1024);<a name="line.1162"></a>
<span class="sourceLineNo">1163</span> Result result;<a name="line.1163"></a>
<span class="sourceLineNo">1164</span> try (ResultScanner scanner = table.getScanner(scan)) {<a name="line.1164"></a>
<span class="sourceLineNo">1165</span> List&lt;Result&gt; list = new ArrayList&lt;&gt;();<a name="line.1165"></a>
<span class="sourceLineNo">1166</span> /*<a name="line.1166"></a>
<span class="sourceLineNo">1167</span> * The first scan rpc should return a result with 2 cells, because 3MB + 4MB &gt; 4MB; The<a name="line.1167"></a>
<span class="sourceLineNo">1168</span> * second scan rpc should return a result with 3 cells, because reach the batch limit = 3;<a name="line.1168"></a>
<span class="sourceLineNo">1169</span> * The mayHaveMoreCellsInRow in last result should be false in the scan rpc. BTW, the<a name="line.1169"></a>
<span class="sourceLineNo">1170</span> * moreResultsInRegion also would be false. Finally, the client should collect all the cells<a name="line.1170"></a>
<span class="sourceLineNo">1171</span> * into two result: 2+3 -&gt; 3+2;<a name="line.1171"></a>
<span class="sourceLineNo">1172</span> */<a name="line.1172"></a>
<span class="sourceLineNo">1173</span> while ((result = scanner.next()) != null) {<a name="line.1173"></a>
<span class="sourceLineNo">1174</span> list.add(result);<a name="line.1174"></a>
<span class="sourceLineNo">1175</span> }<a name="line.1175"></a>
<span class="sourceLineNo">1176</span><a name="line.1176"></a>
<span class="sourceLineNo">1177</span> Assert.assertEquals(5, list.stream().mapToInt(Result::size).sum());<a name="line.1177"></a>
<span class="sourceLineNo">1178</span> Assert.assertEquals(2, list.size());<a name="line.1178"></a>
<span class="sourceLineNo">1179</span> Assert.assertEquals(3, list.get(0).size());<a name="line.1179"></a>
<span class="sourceLineNo">1180</span> Assert.assertEquals(2, list.get(1).size());<a name="line.1180"></a>
<span class="sourceLineNo">1181</span> }<a name="line.1181"></a>
<span class="sourceLineNo">1182</span><a name="line.1182"></a>
<span class="sourceLineNo">1183</span> scan = new Scan();<a name="line.1183"></a>
<span class="sourceLineNo">1184</span> scan.withStartRow(ROW).withStopRow(ROW, true).addFamily(FAMILY).setBatch(2)<a name="line.1184"></a>
<span class="sourceLineNo">1185</span> .setMaxResultSize(4 * 1024 * 1024);<a name="line.1185"></a>
<span class="sourceLineNo">1186</span> try (ResultScanner scanner = table.getScanner(scan)) {<a name="line.1186"></a>
<span class="sourceLineNo">1187</span> List&lt;Result&gt; list = new ArrayList&lt;&gt;();<a name="line.1187"></a>
<span class="sourceLineNo">1188</span> while ((result = scanner.next()) != null) {<a name="line.1188"></a>
<span class="sourceLineNo">1189</span> list.add(result);<a name="line.1189"></a>
<span class="sourceLineNo">1190</span> }<a name="line.1190"></a>
<span class="sourceLineNo">1191</span> Assert.assertEquals(5, list.stream().mapToInt(Result::size).sum());<a name="line.1191"></a>
<span class="sourceLineNo">1192</span> Assert.assertEquals(3, list.size());<a name="line.1192"></a>
<span class="sourceLineNo">1193</span> Assert.assertEquals(2, list.get(0).size());<a name="line.1193"></a>
<span class="sourceLineNo">1194</span> Assert.assertEquals(2, list.get(1).size());<a name="line.1194"></a>
<span class="sourceLineNo">1195</span> Assert.assertEquals(1, list.get(2).size());<a name="line.1195"></a>
<span class="sourceLineNo">1196</span> }<a name="line.1196"></a>
<span class="sourceLineNo">1197</span> }<a name="line.1197"></a>
<span class="sourceLineNo">1198</span> }<a name="line.1198"></a>
<span class="sourceLineNo">1199</span>}<a name="line.1199"></a>
</pre>
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