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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 static org.junit.Assert.assertArrayEquals;</span> |
| <span class="source-line-no">021</span><span id="line-21">import static org.junit.Assert.assertEquals;</span> |
| <span class="source-line-no">022</span><span id="line-22">import static org.junit.Assert.assertNull;</span> |
| <span class="source-line-no">023</span><span id="line-23"></span> |
| <span class="source-line-no">024</span><span id="line-24">import java.io.IOException;</span> |
| <span class="source-line-no">025</span><span id="line-25">import org.apache.hadoop.hbase.HBaseClassTestRule;</span> |
| <span class="source-line-no">026</span><span id="line-26">import org.apache.hadoop.hbase.HBaseTestingUtil;</span> |
| <span class="source-line-no">027</span><span id="line-27">import org.apache.hadoop.hbase.TableName;</span> |
| <span class="source-line-no">028</span><span id="line-28">import org.apache.hadoop.hbase.regionserver.HRegionServer;</span> |
| <span class="source-line-no">029</span><span id="line-29">import org.apache.hadoop.hbase.testclassification.ClientTests;</span> |
| <span class="source-line-no">030</span><span id="line-30">import org.apache.hadoop.hbase.testclassification.MediumTests;</span> |
| <span class="source-line-no">031</span><span id="line-31">import org.apache.hadoop.hbase.util.Bytes;</span> |
| <span class="source-line-no">032</span><span id="line-32">import org.junit.AfterClass;</span> |
| <span class="source-line-no">033</span><span id="line-33">import org.junit.Before;</span> |
| <span class="source-line-no">034</span><span id="line-34">import org.junit.BeforeClass;</span> |
| <span class="source-line-no">035</span><span id="line-35">import org.junit.ClassRule;</span> |
| <span class="source-line-no">036</span><span id="line-36">import org.junit.Rule;</span> |
| <span class="source-line-no">037</span><span id="line-37">import org.junit.Test;</span> |
| <span class="source-line-no">038</span><span id="line-38">import org.junit.experimental.categories.Category;</span> |
| <span class="source-line-no">039</span><span id="line-39">import org.junit.rules.TestName;</span> |
| <span class="source-line-no">040</span><span id="line-40"></span> |
| <span class="source-line-no">041</span><span id="line-41">@Category({ MediumTests.class, ClientTests.class })</span> |
| <span class="source-line-no">042</span><span id="line-42">public class TestMvccConsistentScanner {</span> |
| <span class="source-line-no">043</span><span id="line-43"></span> |
| <span class="source-line-no">044</span><span id="line-44"> @ClassRule</span> |
| <span class="source-line-no">045</span><span id="line-45"> public static final HBaseClassTestRule CLASS_RULE =</span> |
| <span class="source-line-no">046</span><span id="line-46"> HBaseClassTestRule.forClass(TestMvccConsistentScanner.class);</span> |
| <span class="source-line-no">047</span><span id="line-47"></span> |
| <span class="source-line-no">048</span><span id="line-48"> private static final HBaseTestingUtil UTIL = new HBaseTestingUtil();</span> |
| <span class="source-line-no">049</span><span id="line-49"></span> |
| <span class="source-line-no">050</span><span id="line-50"> private static Connection CONN;</span> |
| <span class="source-line-no">051</span><span id="line-51"></span> |
| <span class="source-line-no">052</span><span id="line-52"> private static final byte[] CF = Bytes.toBytes("cf");</span> |
| <span class="source-line-no">053</span><span id="line-53"></span> |
| <span class="source-line-no">054</span><span id="line-54"> private static final byte[] CQ1 = Bytes.toBytes("cq1");</span> |
| <span class="source-line-no">055</span><span id="line-55"></span> |
| <span class="source-line-no">056</span><span id="line-56"> private static final byte[] CQ2 = Bytes.toBytes("cq2");</span> |
| <span class="source-line-no">057</span><span id="line-57"></span> |
| <span class="source-line-no">058</span><span id="line-58"> private static final byte[] CQ3 = Bytes.toBytes("cq3");</span> |
| <span class="source-line-no">059</span><span id="line-59"> @Rule</span> |
| <span class="source-line-no">060</span><span id="line-60"> public TestName testName = new TestName();</span> |
| <span class="source-line-no">061</span><span id="line-61"></span> |
| <span class="source-line-no">062</span><span id="line-62"> private TableName tableName;</span> |
| <span class="source-line-no">063</span><span id="line-63"></span> |
| <span class="source-line-no">064</span><span id="line-64"> @BeforeClass</span> |
| <span class="source-line-no">065</span><span id="line-65"> public static void setUpBeforeClass() throws Exception {</span> |
| <span class="source-line-no">066</span><span id="line-66"> UTIL.startMiniCluster(2);</span> |
| <span class="source-line-no">067</span><span id="line-67"> CONN = ConnectionFactory.createConnection(UTIL.getConfiguration());</span> |
| <span class="source-line-no">068</span><span id="line-68"> }</span> |
| <span class="source-line-no">069</span><span id="line-69"></span> |
| <span class="source-line-no">070</span><span id="line-70"> @AfterClass</span> |
| <span class="source-line-no">071</span><span id="line-71"> public static void tearDownAfterClass() throws Exception {</span> |
| <span class="source-line-no">072</span><span id="line-72"> CONN.close();</span> |
| <span class="source-line-no">073</span><span id="line-73"> UTIL.shutdownMiniCluster();</span> |
| <span class="source-line-no">074</span><span id="line-74"> }</span> |
| <span class="source-line-no">075</span><span id="line-75"></span> |
| <span class="source-line-no">076</span><span id="line-76"> @Before</span> |
| <span class="source-line-no">077</span><span id="line-77"> public void setUp() throws IOException, InterruptedException {</span> |
| <span class="source-line-no">078</span><span id="line-78"> tableName = TableName.valueOf(testName.getMethodName().replaceAll("[^0-9a-zA-Z]", "_"));</span> |
| <span class="source-line-no">079</span><span id="line-79"> UTIL.createTable(tableName, CF);</span> |
| <span class="source-line-no">080</span><span id="line-80"> UTIL.waitTableAvailable(tableName);</span> |
| <span class="source-line-no">081</span><span id="line-81"> }</span> |
| <span class="source-line-no">082</span><span id="line-82"></span> |
| <span class="source-line-no">083</span><span id="line-83"> private void put(byte[] row, byte[] cq, byte[] value) throws IOException {</span> |
| <span class="source-line-no">084</span><span id="line-84"> try (Table table = CONN.getTable(tableName)) {</span> |
| <span class="source-line-no">085</span><span id="line-85"> table.put(new Put(row).addColumn(CF, cq, value));</span> |
| <span class="source-line-no">086</span><span id="line-86"> }</span> |
| <span class="source-line-no">087</span><span id="line-87"> }</span> |
| <span class="source-line-no">088</span><span id="line-88"></span> |
| <span class="source-line-no">089</span><span id="line-89"> private void move() throws IOException, InterruptedException {</span> |
| <span class="source-line-no">090</span><span id="line-90"> RegionInfo region =</span> |
| <span class="source-line-no">091</span><span id="line-91"> UTIL.getHBaseCluster().getRegions(tableName).stream().findAny().get().getRegionInfo();</span> |
| <span class="source-line-no">092</span><span id="line-92"> HRegionServer rs =</span> |
| <span class="source-line-no">093</span><span id="line-93"> UTIL.getHBaseCluster().getRegionServerThreads().stream().map(t -> t.getRegionServer())</span> |
| <span class="source-line-no">094</span><span id="line-94"> .filter(r -> !r.getOnlineTables().contains(tableName)).findAny().get();</span> |
| <span class="source-line-no">095</span><span id="line-95"> UTIL.getAdmin().move(region.getEncodedNameAsBytes(), rs.getServerName());</span> |
| <span class="source-line-no">096</span><span id="line-96"> while (UTIL.getRSForFirstRegionInTable(tableName) != rs) {</span> |
| <span class="source-line-no">097</span><span id="line-97"> Thread.sleep(100);</span> |
| <span class="source-line-no">098</span><span id="line-98"> }</span> |
| <span class="source-line-no">099</span><span id="line-99"> }</span> |
| <span class="source-line-no">100</span><span id="line-100"></span> |
| <span class="source-line-no">101</span><span id="line-101"> @Test</span> |
| <span class="source-line-no">102</span><span id="line-102"> public void testRowAtomic() throws IOException, InterruptedException {</span> |
| <span class="source-line-no">103</span><span id="line-103"> byte[] row = Bytes.toBytes("row");</span> |
| <span class="source-line-no">104</span><span id="line-104"> put(row, CQ1, Bytes.toBytes(1));</span> |
| <span class="source-line-no">105</span><span id="line-105"> put(row, CQ2, Bytes.toBytes(2));</span> |
| <span class="source-line-no">106</span><span id="line-106"> try (Table table = CONN.getTable(tableName);</span> |
| <span class="source-line-no">107</span><span id="line-107"> ResultScanner scanner = table.getScanner(new Scan().setBatch(1).setCaching(1))) {</span> |
| <span class="source-line-no">108</span><span id="line-108"> Result result = scanner.next();</span> |
| <span class="source-line-no">109</span><span id="line-109"> assertEquals(1, result.rawCells().length);</span> |
| <span class="source-line-no">110</span><span id="line-110"> assertEquals(1, Bytes.toInt(result.getValue(CF, CQ1)));</span> |
| <span class="source-line-no">111</span><span id="line-111"> move();</span> |
| <span class="source-line-no">112</span><span id="line-112"> put(row, CQ3, Bytes.toBytes(3));</span> |
| <span class="source-line-no">113</span><span id="line-113"> result = scanner.next();</span> |
| <span class="source-line-no">114</span><span id="line-114"> assertEquals(1, result.rawCells().length);</span> |
| <span class="source-line-no">115</span><span id="line-115"> assertEquals(2, Bytes.toInt(result.getValue(CF, CQ2)));</span> |
| <span class="source-line-no">116</span><span id="line-116"> assertNull(scanner.next());</span> |
| <span class="source-line-no">117</span><span id="line-117"> }</span> |
| <span class="source-line-no">118</span><span id="line-118"> }</span> |
| <span class="source-line-no">119</span><span id="line-119"></span> |
| <span class="source-line-no">120</span><span id="line-120"> @Test</span> |
| <span class="source-line-no">121</span><span id="line-121"> public void testCrossRowAtomicInRegion() throws IOException, InterruptedException {</span> |
| <span class="source-line-no">122</span><span id="line-122"> put(Bytes.toBytes("row1"), CQ1, Bytes.toBytes(1));</span> |
| <span class="source-line-no">123</span><span id="line-123"> put(Bytes.toBytes("row2"), CQ1, Bytes.toBytes(2));</span> |
| <span class="source-line-no">124</span><span id="line-124"> try (Table table = CONN.getTable(tableName);</span> |
| <span class="source-line-no">125</span><span id="line-125"> ResultScanner scanner = table.getScanner(new Scan().setCaching(1))) {</span> |
| <span class="source-line-no">126</span><span id="line-126"> Result result = scanner.next();</span> |
| <span class="source-line-no">127</span><span id="line-127"> assertArrayEquals(Bytes.toBytes("row1"), result.getRow());</span> |
| <span class="source-line-no">128</span><span id="line-128"> assertEquals(1, Bytes.toInt(result.getValue(CF, CQ1)));</span> |
| <span class="source-line-no">129</span><span id="line-129"> move();</span> |
| <span class="source-line-no">130</span><span id="line-130"> put(Bytes.toBytes("row3"), CQ1, Bytes.toBytes(3));</span> |
| <span class="source-line-no">131</span><span id="line-131"> result = scanner.next();</span> |
| <span class="source-line-no">132</span><span id="line-132"> assertArrayEquals(Bytes.toBytes("row2"), result.getRow());</span> |
| <span class="source-line-no">133</span><span id="line-133"> assertEquals(2, Bytes.toInt(result.getValue(CF, CQ1)));</span> |
| <span class="source-line-no">134</span><span id="line-134"> assertNull(scanner.next());</span> |
| <span class="source-line-no">135</span><span id="line-135"> }</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> |
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