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<pre><span class="source-line-no">001</span><span id="line-1">/*</span>
<span class="source-line-no">002</span><span id="line-2"> * Licensed to the Apache Software Foundation (ASF) under one</span>
<span class="source-line-no">003</span><span id="line-3"> * or more contributor license agreements. See the NOTICE file</span>
<span class="source-line-no">004</span><span id="line-4"> * distributed with this work for additional information</span>
<span class="source-line-no">005</span><span id="line-5"> * regarding copyright ownership. The ASF licenses this file</span>
<span class="source-line-no">006</span><span id="line-6"> * to you under the Apache License, Version 2.0 (the</span>
<span class="source-line-no">007</span><span id="line-7"> * "License"); you may not use this file except in compliance</span>
<span class="source-line-no">008</span><span id="line-8"> * with the License. You may obtain a copy of the License at</span>
<span class="source-line-no">009</span><span id="line-9"> *</span>
<span class="source-line-no">010</span><span id="line-10"> * http://www.apache.org/licenses/LICENSE-2.0</span>
<span class="source-line-no">011</span><span id="line-11"> *</span>
<span class="source-line-no">012</span><span id="line-12"> * Unless required by applicable law or agreed to in writing, software</span>
<span class="source-line-no">013</span><span id="line-13"> * distributed under the License is distributed on an "AS IS" BASIS,</span>
<span class="source-line-no">014</span><span id="line-14"> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span>
<span class="source-line-no">015</span><span id="line-15"> * See the License for the specific language governing permissions and</span>
<span class="source-line-no">016</span><span id="line-16"> * limitations under the License.</span>
<span class="source-line-no">017</span><span id="line-17"> */</span>
<span class="source-line-no">018</span><span id="line-18">package org.apache.hadoop.hbase.client;</span>
<span class="source-line-no">019</span><span id="line-19"></span>
<span class="source-line-no">020</span><span id="line-20">import java.io.IOException;</span>
<span class="source-line-no">021</span><span id="line-21">import java.util.Arrays;</span>
<span class="source-line-no">022</span><span id="line-22">import java.util.HashMap;</span>
<span class="source-line-no">023</span><span id="line-23">import java.util.List;</span>
<span class="source-line-no">024</span><span id="line-24">import java.util.Map;</span>
<span class="source-line-no">025</span><span id="line-25">import java.util.Optional;</span>
<span class="source-line-no">026</span><span id="line-26">import java.util.UUID;</span>
<span class="source-line-no">027</span><span id="line-27">import java.util.concurrent.ExecutorService;</span>
<span class="source-line-no">028</span><span id="line-28">import java.util.concurrent.Executors;</span>
<span class="source-line-no">029</span><span id="line-29">import org.apache.hadoop.conf.Configuration;</span>
<span class="source-line-no">030</span><span id="line-30">import org.apache.hadoop.hbase.AuthUtil;</span>
<span class="source-line-no">031</span><span id="line-31">import org.apache.hadoop.hbase.Cell;</span>
<span class="source-line-no">032</span><span id="line-32">import org.apache.hadoop.hbase.ExtendedCellScannable;</span>
<span class="source-line-no">033</span><span id="line-33">import org.apache.hadoop.hbase.ExtendedCellScanner;</span>
<span class="source-line-no">034</span><span id="line-34">import org.apache.hadoop.hbase.HBaseClassTestRule;</span>
<span class="source-line-no">035</span><span id="line-35">import org.apache.hadoop.hbase.HBaseTestingUtil;</span>
<span class="source-line-no">036</span><span id="line-36">import org.apache.hadoop.hbase.HConstants;</span>
<span class="source-line-no">037</span><span id="line-37">import org.apache.hadoop.hbase.SingleProcessHBaseCluster;</span>
<span class="source-line-no">038</span><span id="line-38">import org.apache.hadoop.hbase.TableName;</span>
<span class="source-line-no">039</span><span id="line-39">import org.apache.hadoop.hbase.coprocessor.ObserverContext;</span>
<span class="source-line-no">040</span><span id="line-40">import org.apache.hadoop.hbase.coprocessor.RegionCoprocessor;</span>
<span class="source-line-no">041</span><span id="line-41">import org.apache.hadoop.hbase.coprocessor.RegionCoprocessorEnvironment;</span>
<span class="source-line-no">042</span><span id="line-42">import org.apache.hadoop.hbase.coprocessor.RegionObserver;</span>
<span class="source-line-no">043</span><span id="line-43">import org.apache.hadoop.hbase.ipc.DelegatingHBaseRpcController;</span>
<span class="source-line-no">044</span><span id="line-44">import org.apache.hadoop.hbase.ipc.HBaseRpcController;</span>
<span class="source-line-no">045</span><span id="line-45">import org.apache.hadoop.hbase.ipc.RpcCall;</span>
<span class="source-line-no">046</span><span id="line-46">import org.apache.hadoop.hbase.ipc.RpcControllerFactory;</span>
<span class="source-line-no">047</span><span id="line-47">import org.apache.hadoop.hbase.ipc.RpcServer;</span>
<span class="source-line-no">048</span><span id="line-48">import org.apache.hadoop.hbase.regionserver.InternalScanner;</span>
<span class="source-line-no">049</span><span id="line-49">import org.apache.hadoop.hbase.testclassification.ClientTests;</span>
<span class="source-line-no">050</span><span id="line-50">import org.apache.hadoop.hbase.testclassification.MediumTests;</span>
<span class="source-line-no">051</span><span id="line-51">import org.apache.hadoop.hbase.util.Bytes;</span>
<span class="source-line-no">052</span><span id="line-52">import org.apache.hadoop.hbase.wal.WALEdit;</span>
<span class="source-line-no">053</span><span id="line-53">import org.junit.AfterClass;</span>
<span class="source-line-no">054</span><span id="line-54">import org.junit.BeforeClass;</span>
<span class="source-line-no">055</span><span id="line-55">import org.junit.ClassRule;</span>
<span class="source-line-no">056</span><span id="line-56">import org.junit.Test;</span>
<span class="source-line-no">057</span><span id="line-57">import org.junit.experimental.categories.Category;</span>
<span class="source-line-no">058</span><span id="line-58"></span>
<span class="source-line-no">059</span><span id="line-59">@Category({ ClientTests.class, MediumTests.class })</span>
<span class="source-line-no">060</span><span id="line-60">public class TestRequestAttributes {</span>
<span class="source-line-no">061</span><span id="line-61"></span>
<span class="source-line-no">062</span><span id="line-62"> @ClassRule</span>
<span class="source-line-no">063</span><span id="line-63"> public static final HBaseClassTestRule CLASS_RULE =</span>
<span class="source-line-no">064</span><span id="line-64"> HBaseClassTestRule.forClass(TestRequestAttributes.class);</span>
<span class="source-line-no">065</span><span id="line-65"></span>
<span class="source-line-no">066</span><span id="line-66"> private static final byte[] ROW_KEY1 = Bytes.toBytes("1");</span>
<span class="source-line-no">067</span><span id="line-67"> private static final byte[] ROW_KEY2A = Bytes.toBytes("2A");</span>
<span class="source-line-no">068</span><span id="line-68"> private static final byte[] ROW_KEY2B = Bytes.toBytes("2B");</span>
<span class="source-line-no">069</span><span id="line-69"> private static final byte[] ROW_KEY3 = Bytes.toBytes("3");</span>
<span class="source-line-no">070</span><span id="line-70"> private static final byte[] ROW_KEY4 = Bytes.toBytes("4");</span>
<span class="source-line-no">071</span><span id="line-71"> private static final byte[] ROW_KEY5 = Bytes.toBytes("5");</span>
<span class="source-line-no">072</span><span id="line-72"> private static final byte[] ROW_KEY6 = Bytes.toBytes("6");</span>
<span class="source-line-no">073</span><span id="line-73"> private static final byte[] ROW_KEY7 = Bytes.toBytes("7");</span>
<span class="source-line-no">074</span><span id="line-74"> private static final byte[] ROW_KEY8 = Bytes.toBytes("8");</span>
<span class="source-line-no">075</span><span id="line-75"> private static final Map&lt;String, byte[]&gt; CONNECTION_ATTRIBUTES = new HashMap&lt;&gt;();</span>
<span class="source-line-no">076</span><span id="line-76"> private static final Map&lt;String, byte[]&gt; REQUEST_ATTRIBUTES_SCAN = addRandomRequestAttributes();</span>
<span class="source-line-no">077</span><span id="line-77"> private static final Map&lt;byte[], Map&lt;String, byte[]&gt;&gt; ROW_KEY_TO_REQUEST_ATTRIBUTES =</span>
<span class="source-line-no">078</span><span id="line-78"> new HashMap&lt;&gt;();</span>
<span class="source-line-no">079</span><span id="line-79"> static {</span>
<span class="source-line-no">080</span><span id="line-80"> CONNECTION_ATTRIBUTES.put("clientId", Bytes.toBytes("foo"));</span>
<span class="source-line-no">081</span><span id="line-81"> ROW_KEY_TO_REQUEST_ATTRIBUTES.put(ROW_KEY1, addRandomRequestAttributes());</span>
<span class="source-line-no">082</span><span id="line-82"> Map&lt;String, byte[]&gt; requestAttributes2 = addRandomRequestAttributes();</span>
<span class="source-line-no">083</span><span id="line-83"> ROW_KEY_TO_REQUEST_ATTRIBUTES.put(ROW_KEY2A, requestAttributes2);</span>
<span class="source-line-no">084</span><span id="line-84"> ROW_KEY_TO_REQUEST_ATTRIBUTES.put(ROW_KEY2B, requestAttributes2);</span>
<span class="source-line-no">085</span><span id="line-85"> ROW_KEY_TO_REQUEST_ATTRIBUTES.put(ROW_KEY3, addRandomRequestAttributes());</span>
<span class="source-line-no">086</span><span id="line-86"> ROW_KEY_TO_REQUEST_ATTRIBUTES.put(ROW_KEY4, addRandomRequestAttributes());</span>
<span class="source-line-no">087</span><span id="line-87"> ROW_KEY_TO_REQUEST_ATTRIBUTES.put(ROW_KEY5, addRandomRequestAttributes());</span>
<span class="source-line-no">088</span><span id="line-88"> ROW_KEY_TO_REQUEST_ATTRIBUTES.put(ROW_KEY6, addRandomRequestAttributes());</span>
<span class="source-line-no">089</span><span id="line-89"> ROW_KEY_TO_REQUEST_ATTRIBUTES.put(ROW_KEY7, addRandomRequestAttributes());</span>
<span class="source-line-no">090</span><span id="line-90"> ROW_KEY_TO_REQUEST_ATTRIBUTES.put(ROW_KEY8, new HashMap&lt;String, byte[]&gt;());</span>
<span class="source-line-no">091</span><span id="line-91"> }</span>
<span class="source-line-no">092</span><span id="line-92"> private static final ExecutorService EXECUTOR_SERVICE = Executors.newFixedThreadPool(100);</span>
<span class="source-line-no">093</span><span id="line-93"> private static final byte[] FAMILY = Bytes.toBytes("0");</span>
<span class="source-line-no">094</span><span id="line-94"> private static final TableName TABLE_NAME = TableName.valueOf("testRequestAttributes");</span>
<span class="source-line-no">095</span><span id="line-95"></span>
<span class="source-line-no">096</span><span id="line-96"> private static final HBaseTestingUtil TEST_UTIL = new HBaseTestingUtil();</span>
<span class="source-line-no">097</span><span id="line-97"> private static SingleProcessHBaseCluster cluster;</span>
<span class="source-line-no">098</span><span id="line-98"></span>
<span class="source-line-no">099</span><span id="line-99"> @BeforeClass</span>
<span class="source-line-no">100</span><span id="line-100"> public static void setUp() throws Exception {</span>
<span class="source-line-no">101</span><span id="line-101"> cluster = TEST_UTIL.startMiniCluster(1);</span>
<span class="source-line-no">102</span><span id="line-102"> Table table = TEST_UTIL.createTable(TABLE_NAME, new byte[][] { FAMILY }, 1,</span>
<span class="source-line-no">103</span><span id="line-103"> HConstants.DEFAULT_BLOCKSIZE, AttributesCoprocessor.class.getName());</span>
<span class="source-line-no">104</span><span id="line-104"> table.close();</span>
<span class="source-line-no">105</span><span id="line-105"> }</span>
<span class="source-line-no">106</span><span id="line-106"></span>
<span class="source-line-no">107</span><span id="line-107"> @AfterClass</span>
<span class="source-line-no">108</span><span id="line-108"> public static void afterClass() throws Exception {</span>
<span class="source-line-no">109</span><span id="line-109"> cluster.close();</span>
<span class="source-line-no">110</span><span id="line-110"> TEST_UTIL.shutdownMiniCluster();</span>
<span class="source-line-no">111</span><span id="line-111"> }</span>
<span class="source-line-no">112</span><span id="line-112"></span>
<span class="source-line-no">113</span><span id="line-113"> @Test</span>
<span class="source-line-no">114</span><span id="line-114"> public void testRequestAttributesGet() throws IOException {</span>
<span class="source-line-no">115</span><span id="line-115"> Configuration conf = TEST_UTIL.getConfiguration();</span>
<span class="source-line-no">116</span><span id="line-116"> try (</span>
<span class="source-line-no">117</span><span id="line-117"> Connection conn = ConnectionFactory.createConnection(conf, null, AuthUtil.loginClient(conf),</span>
<span class="source-line-no">118</span><span id="line-118"> CONNECTION_ATTRIBUTES);</span>
<span class="source-line-no">119</span><span id="line-119"> Table table = configureRequestAttributes(conn.getTableBuilder(TABLE_NAME, EXECUTOR_SERVICE),</span>
<span class="source-line-no">120</span><span id="line-120"> ROW_KEY_TO_REQUEST_ATTRIBUTES.get(ROW_KEY1)).build()) {</span>
<span class="source-line-no">121</span><span id="line-121"></span>
<span class="source-line-no">122</span><span id="line-122"> table.get(new Get(ROW_KEY1));</span>
<span class="source-line-no">123</span><span id="line-123"> }</span>
<span class="source-line-no">124</span><span id="line-124"> }</span>
<span class="source-line-no">125</span><span id="line-125"></span>
<span class="source-line-no">126</span><span id="line-126"> @Test</span>
<span class="source-line-no">127</span><span id="line-127"> public void testRequestAttributesMultiGet() throws IOException {</span>
<span class="source-line-no">128</span><span id="line-128"> Configuration conf = TEST_UTIL.getConfiguration();</span>
<span class="source-line-no">129</span><span id="line-129"> try (</span>
<span class="source-line-no">130</span><span id="line-130"> Connection conn = ConnectionFactory.createConnection(conf, null, AuthUtil.loginClient(conf),</span>
<span class="source-line-no">131</span><span id="line-131"> CONNECTION_ATTRIBUTES);</span>
<span class="source-line-no">132</span><span id="line-132"> Table table = configureRequestAttributes(conn.getTableBuilder(TABLE_NAME, EXECUTOR_SERVICE),</span>
<span class="source-line-no">133</span><span id="line-133"> ROW_KEY_TO_REQUEST_ATTRIBUTES.get(ROW_KEY2A)).build()) {</span>
<span class="source-line-no">134</span><span id="line-134"> List&lt;Get&gt; gets = List.of(new Get(ROW_KEY2A), new Get(ROW_KEY2B));</span>
<span class="source-line-no">135</span><span id="line-135"> table.get(gets);</span>
<span class="source-line-no">136</span><span id="line-136"> }</span>
<span class="source-line-no">137</span><span id="line-137"> }</span>
<span class="source-line-no">138</span><span id="line-138"></span>
<span class="source-line-no">139</span><span id="line-139"> @Test</span>
<span class="source-line-no">140</span><span id="line-140"> public void testRequestAttributesScan() throws IOException {</span>
<span class="source-line-no">141</span><span id="line-141"> Configuration conf = TEST_UTIL.getConfiguration();</span>
<span class="source-line-no">142</span><span id="line-142"> try (</span>
<span class="source-line-no">143</span><span id="line-143"> Connection conn = ConnectionFactory.createConnection(conf, null, AuthUtil.loginClient(conf),</span>
<span class="source-line-no">144</span><span id="line-144"> CONNECTION_ATTRIBUTES);</span>
<span class="source-line-no">145</span><span id="line-145"> Table table = configureRequestAttributes(conn.getTableBuilder(TABLE_NAME, EXECUTOR_SERVICE),</span>
<span class="source-line-no">146</span><span id="line-146"> REQUEST_ATTRIBUTES_SCAN).build()) {</span>
<span class="source-line-no">147</span><span id="line-147"> ResultScanner scanner = table.getScanner(new Scan());</span>
<span class="source-line-no">148</span><span id="line-148"> scanner.next();</span>
<span class="source-line-no">149</span><span id="line-149"> }</span>
<span class="source-line-no">150</span><span id="line-150"> }</span>
<span class="source-line-no">151</span><span id="line-151"></span>
<span class="source-line-no">152</span><span id="line-152"> @Test</span>
<span class="source-line-no">153</span><span id="line-153"> public void testRequestAttributesPut() throws IOException {</span>
<span class="source-line-no">154</span><span id="line-154"> Configuration conf = TEST_UTIL.getConfiguration();</span>
<span class="source-line-no">155</span><span id="line-155"> try (</span>
<span class="source-line-no">156</span><span id="line-156"> Connection conn = ConnectionFactory.createConnection(conf, null, AuthUtil.loginClient(conf),</span>
<span class="source-line-no">157</span><span id="line-157"> CONNECTION_ATTRIBUTES);</span>
<span class="source-line-no">158</span><span id="line-158"> Table table = configureRequestAttributes(conn.getTableBuilder(TABLE_NAME, EXECUTOR_SERVICE),</span>
<span class="source-line-no">159</span><span id="line-159"> ROW_KEY_TO_REQUEST_ATTRIBUTES.get(ROW_KEY3)).build()) {</span>
<span class="source-line-no">160</span><span id="line-160"> Put put = new Put(ROW_KEY3);</span>
<span class="source-line-no">161</span><span id="line-161"> put.addColumn(FAMILY, Bytes.toBytes("c"), Bytes.toBytes("v"));</span>
<span class="source-line-no">162</span><span id="line-162"> table.put(put);</span>
<span class="source-line-no">163</span><span id="line-163"> }</span>
<span class="source-line-no">164</span><span id="line-164"> }</span>
<span class="source-line-no">165</span><span id="line-165"></span>
<span class="source-line-no">166</span><span id="line-166"> @Test</span>
<span class="source-line-no">167</span><span id="line-167"> public void testRequestAttributesMultiPut() throws IOException {</span>
<span class="source-line-no">168</span><span id="line-168"> Configuration conf = TEST_UTIL.getConfiguration();</span>
<span class="source-line-no">169</span><span id="line-169"> try (</span>
<span class="source-line-no">170</span><span id="line-170"> Connection conn = ConnectionFactory.createConnection(conf, null, AuthUtil.loginClient(conf),</span>
<span class="source-line-no">171</span><span id="line-171"> CONNECTION_ATTRIBUTES);</span>
<span class="source-line-no">172</span><span id="line-172"> Table table = configureRequestAttributes(conn.getTableBuilder(TABLE_NAME, EXECUTOR_SERVICE),</span>
<span class="source-line-no">173</span><span id="line-173"> ROW_KEY_TO_REQUEST_ATTRIBUTES.get(ROW_KEY4)).build()) {</span>
<span class="source-line-no">174</span><span id="line-174"> Put put1 = new Put(ROW_KEY4);</span>
<span class="source-line-no">175</span><span id="line-175"> put1.addColumn(FAMILY, Bytes.toBytes("c1"), Bytes.toBytes("v1"));</span>
<span class="source-line-no">176</span><span id="line-176"> Put put2 = new Put(ROW_KEY4);</span>
<span class="source-line-no">177</span><span id="line-177"> put2.addColumn(FAMILY, Bytes.toBytes("c2"), Bytes.toBytes("v2"));</span>
<span class="source-line-no">178</span><span id="line-178"> table.put(List.of(put1, put2));</span>
<span class="source-line-no">179</span><span id="line-179"> }</span>
<span class="source-line-no">180</span><span id="line-180"> }</span>
<span class="source-line-no">181</span><span id="line-181"></span>
<span class="source-line-no">182</span><span id="line-182"> @Test</span>
<span class="source-line-no">183</span><span id="line-183"> public void testRequestAttributesBufferedMutate() throws IOException, InterruptedException {</span>
<span class="source-line-no">184</span><span id="line-184"> Configuration conf = TEST_UTIL.getConfiguration();</span>
<span class="source-line-no">185</span><span id="line-185"> try (</span>
<span class="source-line-no">186</span><span id="line-186"> Connection conn = ConnectionFactory.createConnection(conf, null, AuthUtil.loginClient(conf),</span>
<span class="source-line-no">187</span><span id="line-187"> CONNECTION_ATTRIBUTES);</span>
<span class="source-line-no">188</span><span id="line-188"> BufferedMutator bufferedMutator =</span>
<span class="source-line-no">189</span><span id="line-189"> conn.getBufferedMutator(configureRequestAttributes(new BufferedMutatorParams(TABLE_NAME),</span>
<span class="source-line-no">190</span><span id="line-190"> ROW_KEY_TO_REQUEST_ATTRIBUTES.get(ROW_KEY5)));) {</span>
<span class="source-line-no">191</span><span id="line-191"> Put put = new Put(ROW_KEY5);</span>
<span class="source-line-no">192</span><span id="line-192"> put.addColumn(FAMILY, Bytes.toBytes("c"), Bytes.toBytes("v"));</span>
<span class="source-line-no">193</span><span id="line-193"> bufferedMutator.mutate(put);</span>
<span class="source-line-no">194</span><span id="line-194"> bufferedMutator.flush();</span>
<span class="source-line-no">195</span><span id="line-195"> }</span>
<span class="source-line-no">196</span><span id="line-196"> }</span>
<span class="source-line-no">197</span><span id="line-197"></span>
<span class="source-line-no">198</span><span id="line-198"> @Test</span>
<span class="source-line-no">199</span><span id="line-199"> public void testRequestAttributesExists() throws IOException {</span>
<span class="source-line-no">200</span><span id="line-200"> Configuration conf = TEST_UTIL.getConfiguration();</span>
<span class="source-line-no">201</span><span id="line-201"> try (</span>
<span class="source-line-no">202</span><span id="line-202"> Connection conn = ConnectionFactory.createConnection(conf, null, AuthUtil.loginClient(conf),</span>
<span class="source-line-no">203</span><span id="line-203"> CONNECTION_ATTRIBUTES);</span>
<span class="source-line-no">204</span><span id="line-204"> Table table = configureRequestAttributes(conn.getTableBuilder(TABLE_NAME, EXECUTOR_SERVICE),</span>
<span class="source-line-no">205</span><span id="line-205"> ROW_KEY_TO_REQUEST_ATTRIBUTES.get(ROW_KEY6)).build()) {</span>
<span class="source-line-no">206</span><span id="line-206"></span>
<span class="source-line-no">207</span><span id="line-207"> table.exists(new Get(ROW_KEY6));</span>
<span class="source-line-no">208</span><span id="line-208"> }</span>
<span class="source-line-no">209</span><span id="line-209"> }</span>
<span class="source-line-no">210</span><span id="line-210"></span>
<span class="source-line-no">211</span><span id="line-211"> @Test</span>
<span class="source-line-no">212</span><span id="line-212"> public void testRequestAttributesFromRpcController() throws IOException, InterruptedException {</span>
<span class="source-line-no">213</span><span id="line-213"> Configuration conf = TEST_UTIL.getConfiguration();</span>
<span class="source-line-no">214</span><span id="line-214"> conf.setClass(RpcControllerFactory.CUSTOM_CONTROLLER_CONF_KEY,</span>
<span class="source-line-no">215</span><span id="line-215"> RequestMetadataControllerFactory.class, RpcControllerFactory.class);</span>
<span class="source-line-no">216</span><span id="line-216"> try (</span>
<span class="source-line-no">217</span><span id="line-217"> Connection conn = ConnectionFactory.createConnection(conf, null, AuthUtil.loginClient(conf),</span>
<span class="source-line-no">218</span><span id="line-218"> CONNECTION_ATTRIBUTES);</span>
<span class="source-line-no">219</span><span id="line-219"> BufferedMutator bufferedMutator = conn.getBufferedMutator(TABLE_NAME);) {</span>
<span class="source-line-no">220</span><span id="line-220"> Put put = new Put(ROW_KEY7);</span>
<span class="source-line-no">221</span><span id="line-221"> put.addColumn(FAMILY, Bytes.toBytes("c"), Bytes.toBytes("v"));</span>
<span class="source-line-no">222</span><span id="line-222"> bufferedMutator.mutate(put);</span>
<span class="source-line-no">223</span><span id="line-223"> bufferedMutator.flush();</span>
<span class="source-line-no">224</span><span id="line-224"> }</span>
<span class="source-line-no">225</span><span id="line-225"> conf.unset(RpcControllerFactory.CUSTOM_CONTROLLER_CONF_KEY);</span>
<span class="source-line-no">226</span><span id="line-226"> }</span>
<span class="source-line-no">227</span><span id="line-227"></span>
<span class="source-line-no">228</span><span id="line-228"> @Test</span>
<span class="source-line-no">229</span><span id="line-229"> public void testNoRequestAttributes() throws IOException {</span>
<span class="source-line-no">230</span><span id="line-230"> Configuration conf = TEST_UTIL.getConfiguration();</span>
<span class="source-line-no">231</span><span id="line-231"> try (Connection conn = ConnectionFactory.createConnection(conf, null,</span>
<span class="source-line-no">232</span><span id="line-232"> AuthUtil.loginClient(conf), CONNECTION_ATTRIBUTES)) {</span>
<span class="source-line-no">233</span><span id="line-233"> TableBuilder tableBuilder = conn.getTableBuilder(TABLE_NAME, null);</span>
<span class="source-line-no">234</span><span id="line-234"> try (Table table = tableBuilder.build()) {</span>
<span class="source-line-no">235</span><span id="line-235"> table.get(new Get(ROW_KEY8));</span>
<span class="source-line-no">236</span><span id="line-236"> }</span>
<span class="source-line-no">237</span><span id="line-237"> }</span>
<span class="source-line-no">238</span><span id="line-238"> }</span>
<span class="source-line-no">239</span><span id="line-239"></span>
<span class="source-line-no">240</span><span id="line-240"> private static Map&lt;String, byte[]&gt; addRandomRequestAttributes() {</span>
<span class="source-line-no">241</span><span id="line-241"> Map&lt;String, byte[]&gt; requestAttributes = new HashMap&lt;&gt;();</span>
<span class="source-line-no">242</span><span id="line-242"> int j = Math.max(2, (int) (10 * Math.random()));</span>
<span class="source-line-no">243</span><span id="line-243"> for (int i = 0; i &lt; j; i++) {</span>
<span class="source-line-no">244</span><span id="line-244"> requestAttributes.put(String.valueOf(i), Bytes.toBytes(UUID.randomUUID().toString()));</span>
<span class="source-line-no">245</span><span id="line-245"> }</span>
<span class="source-line-no">246</span><span id="line-246"> return requestAttributes;</span>
<span class="source-line-no">247</span><span id="line-247"> }</span>
<span class="source-line-no">248</span><span id="line-248"></span>
<span class="source-line-no">249</span><span id="line-249"> private static TableBuilder configureRequestAttributes(TableBuilder tableBuilder,</span>
<span class="source-line-no">250</span><span id="line-250"> Map&lt;String, byte[]&gt; requestAttributes) {</span>
<span class="source-line-no">251</span><span id="line-251"> requestAttributes.forEach(tableBuilder::setRequestAttribute);</span>
<span class="source-line-no">252</span><span id="line-252"> return tableBuilder;</span>
<span class="source-line-no">253</span><span id="line-253"> }</span>
<span class="source-line-no">254</span><span id="line-254"></span>
<span class="source-line-no">255</span><span id="line-255"> private static BufferedMutatorParams configureRequestAttributes(BufferedMutatorParams params,</span>
<span class="source-line-no">256</span><span id="line-256"> Map&lt;String, byte[]&gt; requestAttributes) {</span>
<span class="source-line-no">257</span><span id="line-257"> requestAttributes.forEach(params::setRequestAttribute);</span>
<span class="source-line-no">258</span><span id="line-258"> return params;</span>
<span class="source-line-no">259</span><span id="line-259"> }</span>
<span class="source-line-no">260</span><span id="line-260"></span>
<span class="source-line-no">261</span><span id="line-261"> public static class RequestMetadataControllerFactory extends RpcControllerFactory {</span>
<span class="source-line-no">262</span><span id="line-262"></span>
<span class="source-line-no">263</span><span id="line-263"> public RequestMetadataControllerFactory(Configuration conf) {</span>
<span class="source-line-no">264</span><span id="line-264"> super(conf);</span>
<span class="source-line-no">265</span><span id="line-265"> }</span>
<span class="source-line-no">266</span><span id="line-266"></span>
<span class="source-line-no">267</span><span id="line-267"> @Override</span>
<span class="source-line-no">268</span><span id="line-268"> public HBaseRpcController newController() {</span>
<span class="source-line-no">269</span><span id="line-269"> return new RequestMetadataController(super.newController());</span>
<span class="source-line-no">270</span><span id="line-270"> }</span>
<span class="source-line-no">271</span><span id="line-271"></span>
<span class="source-line-no">272</span><span id="line-272"> @Override</span>
<span class="source-line-no">273</span><span id="line-273"> public HBaseRpcController newController(ExtendedCellScanner cellScanner) {</span>
<span class="source-line-no">274</span><span id="line-274"> return new RequestMetadataController(super.newController(null, cellScanner));</span>
<span class="source-line-no">275</span><span id="line-275"> }</span>
<span class="source-line-no">276</span><span id="line-276"></span>
<span class="source-line-no">277</span><span id="line-277"> @Override</span>
<span class="source-line-no">278</span><span id="line-278"> public HBaseRpcController newController(RegionInfo regionInfo,</span>
<span class="source-line-no">279</span><span id="line-279"> ExtendedCellScanner cellScanner) {</span>
<span class="source-line-no">280</span><span id="line-280"> return new RequestMetadataController(super.newController(regionInfo, cellScanner));</span>
<span class="source-line-no">281</span><span id="line-281"> }</span>
<span class="source-line-no">282</span><span id="line-282"></span>
<span class="source-line-no">283</span><span id="line-283"> @Override</span>
<span class="source-line-no">284</span><span id="line-284"> public HBaseRpcController newController(final List&lt;ExtendedCellScannable&gt; cellIterables) {</span>
<span class="source-line-no">285</span><span id="line-285"> return new RequestMetadataController(super.newController(null, cellIterables));</span>
<span class="source-line-no">286</span><span id="line-286"> }</span>
<span class="source-line-no">287</span><span id="line-287"></span>
<span class="source-line-no">288</span><span id="line-288"> @Override</span>
<span class="source-line-no">289</span><span id="line-289"> public HBaseRpcController newController(RegionInfo regionInfo,</span>
<span class="source-line-no">290</span><span id="line-290"> final List&lt;ExtendedCellScannable&gt; cellIterables) {</span>
<span class="source-line-no">291</span><span id="line-291"> return new RequestMetadataController(super.newController(regionInfo, cellIterables));</span>
<span class="source-line-no">292</span><span id="line-292"> }</span>
<span class="source-line-no">293</span><span id="line-293"></span>
<span class="source-line-no">294</span><span id="line-294"> public static class RequestMetadataController extends DelegatingHBaseRpcController {</span>
<span class="source-line-no">295</span><span id="line-295"> private final Map&lt;String, byte[]&gt; requestAttributes;</span>
<span class="source-line-no">296</span><span id="line-296"></span>
<span class="source-line-no">297</span><span id="line-297"> RequestMetadataController(HBaseRpcController delegate) {</span>
<span class="source-line-no">298</span><span id="line-298"> super(delegate);</span>
<span class="source-line-no">299</span><span id="line-299"> this.requestAttributes = ROW_KEY_TO_REQUEST_ATTRIBUTES.get(ROW_KEY7);</span>
<span class="source-line-no">300</span><span id="line-300"> }</span>
<span class="source-line-no">301</span><span id="line-301"></span>
<span class="source-line-no">302</span><span id="line-302"> @Override</span>
<span class="source-line-no">303</span><span id="line-303"> public Map&lt;String, byte[]&gt; getRequestAttributes() {</span>
<span class="source-line-no">304</span><span id="line-304"> return requestAttributes;</span>
<span class="source-line-no">305</span><span id="line-305"> }</span>
<span class="source-line-no">306</span><span id="line-306"> }</span>
<span class="source-line-no">307</span><span id="line-307"> }</span>
<span class="source-line-no">308</span><span id="line-308"></span>
<span class="source-line-no">309</span><span id="line-309"> public static class AttributesCoprocessor implements RegionObserver, RegionCoprocessor {</span>
<span class="source-line-no">310</span><span id="line-310"></span>
<span class="source-line-no">311</span><span id="line-311"> @Override</span>
<span class="source-line-no">312</span><span id="line-312"> public Optional&lt;RegionObserver&gt; getRegionObserver() {</span>
<span class="source-line-no">313</span><span id="line-313"> return Optional.of(this);</span>
<span class="source-line-no">314</span><span id="line-314"> }</span>
<span class="source-line-no">315</span><span id="line-315"></span>
<span class="source-line-no">316</span><span id="line-316"> @Override</span>
<span class="source-line-no">317</span><span id="line-317"> public void preGetOp(ObserverContext&lt;RegionCoprocessorEnvironment&gt; c, Get get,</span>
<span class="source-line-no">318</span><span id="line-318"> List&lt;Cell&gt; result) throws IOException {</span>
<span class="source-line-no">319</span><span id="line-319"> if (!isValidRequestAttributes(getRequestAttributesForRowKey(get.getRow()))) {</span>
<span class="source-line-no">320</span><span id="line-320"> throw new IOException("Incorrect request attributes");</span>
<span class="source-line-no">321</span><span id="line-321"> }</span>
<span class="source-line-no">322</span><span id="line-322"> }</span>
<span class="source-line-no">323</span><span id="line-323"></span>
<span class="source-line-no">324</span><span id="line-324"> @Override</span>
<span class="source-line-no">325</span><span id="line-325"> public boolean preScannerNext(ObserverContext&lt;RegionCoprocessorEnvironment&gt; c,</span>
<span class="source-line-no">326</span><span id="line-326"> InternalScanner s, List&lt;Result&gt; result, int limit, boolean hasNext) throws IOException {</span>
<span class="source-line-no">327</span><span id="line-327"> if (!isValidRequestAttributes(REQUEST_ATTRIBUTES_SCAN)) {</span>
<span class="source-line-no">328</span><span id="line-328"> throw new IOException("Incorrect request attributes");</span>
<span class="source-line-no">329</span><span id="line-329"> }</span>
<span class="source-line-no">330</span><span id="line-330"> return hasNext;</span>
<span class="source-line-no">331</span><span id="line-331"> }</span>
<span class="source-line-no">332</span><span id="line-332"></span>
<span class="source-line-no">333</span><span id="line-333"> @Override</span>
<span class="source-line-no">334</span><span id="line-334"> public void prePut(ObserverContext&lt;RegionCoprocessorEnvironment&gt; c, Put put, WALEdit edit)</span>
<span class="source-line-no">335</span><span id="line-335"> throws IOException {</span>
<span class="source-line-no">336</span><span id="line-336"> if (!isValidRequestAttributes(getRequestAttributesForRowKey(put.getRow()))) {</span>
<span class="source-line-no">337</span><span id="line-337"> throw new IOException("Incorrect request attributes");</span>
<span class="source-line-no">338</span><span id="line-338"> }</span>
<span class="source-line-no">339</span><span id="line-339"> }</span>
<span class="source-line-no">340</span><span id="line-340"></span>
<span class="source-line-no">341</span><span id="line-341"> private Map&lt;String, byte[]&gt; getRequestAttributesForRowKey(byte[] rowKey) {</span>
<span class="source-line-no">342</span><span id="line-342"> for (byte[] byteArray : ROW_KEY_TO_REQUEST_ATTRIBUTES.keySet()) {</span>
<span class="source-line-no">343</span><span id="line-343"> if (Arrays.equals(byteArray, rowKey)) {</span>
<span class="source-line-no">344</span><span id="line-344"> return ROW_KEY_TO_REQUEST_ATTRIBUTES.get(byteArray);</span>
<span class="source-line-no">345</span><span id="line-345"> }</span>
<span class="source-line-no">346</span><span id="line-346"> }</span>
<span class="source-line-no">347</span><span id="line-347"> return null;</span>
<span class="source-line-no">348</span><span id="line-348"> }</span>
<span class="source-line-no">349</span><span id="line-349"></span>
<span class="source-line-no">350</span><span id="line-350"> private boolean isValidRequestAttributes(Map&lt;String, byte[]&gt; requestAttributes) {</span>
<span class="source-line-no">351</span><span id="line-351"> RpcCall rpcCall = RpcServer.getCurrentCall().get();</span>
<span class="source-line-no">352</span><span id="line-352"> Map&lt;String, byte[]&gt; attrs = rpcCall.getRequestAttributes();</span>
<span class="source-line-no">353</span><span id="line-353"> if (attrs.size() != requestAttributes.size()) {</span>
<span class="source-line-no">354</span><span id="line-354"> return false;</span>
<span class="source-line-no">355</span><span id="line-355"> }</span>
<span class="source-line-no">356</span><span id="line-356"> for (Map.Entry&lt;String, byte[]&gt; attr : attrs.entrySet()) {</span>
<span class="source-line-no">357</span><span id="line-357"> if (!requestAttributes.containsKey(attr.getKey())) {</span>
<span class="source-line-no">358</span><span id="line-358"> return false;</span>
<span class="source-line-no">359</span><span id="line-359"> }</span>
<span class="source-line-no">360</span><span id="line-360"> if (!Arrays.equals(requestAttributes.get(attr.getKey()), attr.getValue())) {</span>
<span class="source-line-no">361</span><span id="line-361"> return false;</span>
<span class="source-line-no">362</span><span id="line-362"> }</span>
<span class="source-line-no">363</span><span id="line-363"> }</span>
<span class="source-line-no">364</span><span id="line-364"> return true;</span>
<span class="source-line-no">365</span><span id="line-365"> }</span>
<span class="source-line-no">366</span><span id="line-366"> }</span>
<span class="source-line-no">367</span><span id="line-367">}</span>
</pre>
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