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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 junit.framework.TestCase.assertTrue;</span> |
| <span class="source-line-no">021</span><span id="line-21"></span> |
| <span class="source-line-no">022</span><span id="line-22">import java.io.IOException;</span> |
| <span class="source-line-no">023</span><span id="line-23">import java.util.Arrays;</span> |
| <span class="source-line-no">024</span><span id="line-24">import java.util.Optional;</span> |
| <span class="source-line-no">025</span><span id="line-25">import org.apache.hadoop.hbase.Cell;</span> |
| <span class="source-line-no">026</span><span id="line-26">import org.apache.hadoop.hbase.CellBuilderType;</span> |
| <span class="source-line-no">027</span><span id="line-27">import org.apache.hadoop.hbase.CellUtil;</span> |
| <span class="source-line-no">028</span><span id="line-28">import org.apache.hadoop.hbase.CoprocessorEnvironment;</span> |
| <span class="source-line-no">029</span><span id="line-29">import org.apache.hadoop.hbase.ExtendedCellBuilderFactory;</span> |
| <span class="source-line-no">030</span><span id="line-30">import org.apache.hadoop.hbase.HBaseClassTestRule;</span> |
| <span class="source-line-no">031</span><span id="line-31">import org.apache.hadoop.hbase.HBaseTestingUtil;</span> |
| <span class="source-line-no">032</span><span id="line-32">import org.apache.hadoop.hbase.KeyValue;</span> |
| <span class="source-line-no">033</span><span id="line-33">import org.apache.hadoop.hbase.TableName;</span> |
| <span class="source-line-no">034</span><span id="line-34">import org.apache.hadoop.hbase.coprocessor.ObserverContext;</span> |
| <span class="source-line-no">035</span><span id="line-35">import org.apache.hadoop.hbase.coprocessor.RegionCoprocessor;</span> |
| <span class="source-line-no">036</span><span id="line-36">import org.apache.hadoop.hbase.coprocessor.RegionCoprocessorEnvironment;</span> |
| <span class="source-line-no">037</span><span id="line-37">import org.apache.hadoop.hbase.coprocessor.RegionObserver;</span> |
| <span class="source-line-no">038</span><span id="line-38">import org.apache.hadoop.hbase.testclassification.ClientTests;</span> |
| <span class="source-line-no">039</span><span id="line-39">import org.apache.hadoop.hbase.testclassification.MediumTests;</span> |
| <span class="source-line-no">040</span><span id="line-40">import org.apache.hadoop.hbase.util.Bytes;</span> |
| <span class="source-line-no">041</span><span id="line-41">import org.junit.AfterClass;</span> |
| <span class="source-line-no">042</span><span id="line-42">import org.junit.BeforeClass;</span> |
| <span class="source-line-no">043</span><span id="line-43">import org.junit.ClassRule;</span> |
| <span class="source-line-no">044</span><span id="line-44">import org.junit.Test;</span> |
| <span class="source-line-no">045</span><span id="line-45">import org.junit.experimental.categories.Category;</span> |
| <span class="source-line-no">046</span><span id="line-46"></span> |
| <span class="source-line-no">047</span><span id="line-47">@Category({ MediumTests.class, ClientTests.class })</span> |
| <span class="source-line-no">048</span><span id="line-48">public class TestResultFromCoprocessor {</span> |
| <span class="source-line-no">049</span><span id="line-49"></span> |
| <span class="source-line-no">050</span><span id="line-50"> @ClassRule</span> |
| <span class="source-line-no">051</span><span id="line-51"> public static final HBaseClassTestRule CLASS_RULE =</span> |
| <span class="source-line-no">052</span><span id="line-52"> HBaseClassTestRule.forClass(TestResultFromCoprocessor.class);</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 HBaseTestingUtil TEST_UTIL = new HBaseTestingUtil();</span> |
| <span class="source-line-no">055</span><span id="line-55"> private static final byte[] ROW = Bytes.toBytes("normal_row");</span> |
| <span class="source-line-no">056</span><span id="line-56"> private static final byte[] FAMILY = Bytes.toBytes("fm");</span> |
| <span class="source-line-no">057</span><span id="line-57"> private static final byte[] QUAL = Bytes.toBytes("qual");</span> |
| <span class="source-line-no">058</span><span id="line-58"> private static final byte[] VALUE = Bytes.toBytes(100L);</span> |
| <span class="source-line-no">059</span><span id="line-59"> private static final byte[] FIXED_VALUE = Bytes.toBytes("fixed_value");</span> |
| <span class="source-line-no">060</span><span id="line-60"> private static final Cell FIXED_CELL = ExtendedCellBuilderFactory</span> |
| <span class="source-line-no">061</span><span id="line-61"> .create(CellBuilderType.DEEP_COPY).setRow(ROW).setFamily(FAMILY).setQualifier(QUAL)</span> |
| <span class="source-line-no">062</span><span id="line-62"> .setTimestamp(0).setType(KeyValue.Type.Put.getCode()).setValue(FIXED_VALUE).build();</span> |
| <span class="source-line-no">063</span><span id="line-63"> private static final Result FIXED_RESULT = Result.create(Arrays.asList(FIXED_CELL));</span> |
| <span class="source-line-no">064</span><span id="line-64"> private static final TableName TABLE_NAME = TableName.valueOf("TestResultFromCoprocessor");</span> |
| <span class="source-line-no">065</span><span id="line-65"></span> |
| <span class="source-line-no">066</span><span id="line-66"> @BeforeClass</span> |
| <span class="source-line-no">067</span><span id="line-67"> public static void setUpBeforeClass() throws Exception {</span> |
| <span class="source-line-no">068</span><span id="line-68"> TEST_UTIL.startMiniCluster(3);</span> |
| <span class="source-line-no">069</span><span id="line-69"> TableDescriptor desc =</span> |
| <span class="source-line-no">070</span><span id="line-70"> TableDescriptorBuilder.newBuilder(TABLE_NAME).setCoprocessor(MyObserver.class.getName())</span> |
| <span class="source-line-no">071</span><span id="line-71"> .setColumnFamily(ColumnFamilyDescriptorBuilder.of(FAMILY)).build();</span> |
| <span class="source-line-no">072</span><span id="line-72"> TEST_UTIL.getAdmin().createTable(desc);</span> |
| <span class="source-line-no">073</span><span id="line-73"> }</span> |
| <span class="source-line-no">074</span><span id="line-74"></span> |
| <span class="source-line-no">075</span><span id="line-75"> @AfterClass</span> |
| <span class="source-line-no">076</span><span id="line-76"> public static void tearDownAfterClass() throws Exception {</span> |
| <span class="source-line-no">077</span><span id="line-77"> TEST_UTIL.shutdownMiniCluster();</span> |
| <span class="source-line-no">078</span><span id="line-78"> }</span> |
| <span class="source-line-no">079</span><span id="line-79"></span> |
| <span class="source-line-no">080</span><span id="line-80"> @Test</span> |
| <span class="source-line-no">081</span><span id="line-81"> public void testAppend() throws IOException {</span> |
| <span class="source-line-no">082</span><span id="line-82"> try (Table t = TEST_UTIL.getConnection().getTable(TABLE_NAME)) {</span> |
| <span class="source-line-no">083</span><span id="line-83"> Put put = new Put(ROW);</span> |
| <span class="source-line-no">084</span><span id="line-84"> put.addColumn(FAMILY, QUAL, VALUE);</span> |
| <span class="source-line-no">085</span><span id="line-85"> t.put(put);</span> |
| <span class="source-line-no">086</span><span id="line-86"> assertRowAndValue(t.get(new Get(ROW)), ROW, VALUE);</span> |
| <span class="source-line-no">087</span><span id="line-87"> Append append = new Append(ROW);</span> |
| <span class="source-line-no">088</span><span id="line-88"> append.addColumn(FAMILY, QUAL, FIXED_VALUE);</span> |
| <span class="source-line-no">089</span><span id="line-89"> assertRowAndValue(t.append(append), ROW, FIXED_VALUE);</span> |
| <span class="source-line-no">090</span><span id="line-90"> assertRowAndValue(t.get(new Get(ROW)), ROW, Bytes.add(VALUE, FIXED_VALUE));</span> |
| <span class="source-line-no">091</span><span id="line-91"> }</span> |
| <span class="source-line-no">092</span><span id="line-92"> }</span> |
| <span class="source-line-no">093</span><span id="line-93"></span> |
| <span class="source-line-no">094</span><span id="line-94"> @Test</span> |
| <span class="source-line-no">095</span><span id="line-95"> public void testIncrement() throws IOException {</span> |
| <span class="source-line-no">096</span><span id="line-96"> try (Table t = TEST_UTIL.getConnection().getTable(TABLE_NAME)) {</span> |
| <span class="source-line-no">097</span><span id="line-97"> Put put = new Put(ROW);</span> |
| <span class="source-line-no">098</span><span id="line-98"> put.addColumn(FAMILY, QUAL, VALUE);</span> |
| <span class="source-line-no">099</span><span id="line-99"> t.put(put);</span> |
| <span class="source-line-no">100</span><span id="line-100"> assertRowAndValue(t.get(new Get(ROW)), ROW, VALUE);</span> |
| <span class="source-line-no">101</span><span id="line-101"> Increment inc = new Increment(ROW);</span> |
| <span class="source-line-no">102</span><span id="line-102"> inc.addColumn(FAMILY, QUAL, 99);</span> |
| <span class="source-line-no">103</span><span id="line-103"> assertRowAndValue(t.increment(inc), ROW, FIXED_VALUE);</span> |
| <span class="source-line-no">104</span><span id="line-104"> assertRowAndValue(t.get(new Get(ROW)), ROW, Bytes.toBytes(199L));</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"></span> |
| <span class="source-line-no">108</span><span id="line-108"> private static void assertRowAndValue(Result r, byte[] row, byte[] value) {</span> |
| <span class="source-line-no">109</span><span id="line-109"> for (Cell c : r.rawCells()) {</span> |
| <span class="source-line-no">110</span><span id="line-110"> assertTrue(Bytes.equals(CellUtil.cloneRow(c), row));</span> |
| <span class="source-line-no">111</span><span id="line-111"> assertTrue(Bytes.equals(CellUtil.cloneValue(c), value));</span> |
| <span class="source-line-no">112</span><span id="line-112"> }</span> |
| <span class="source-line-no">113</span><span id="line-113"> }</span> |
| <span class="source-line-no">114</span><span id="line-114"></span> |
| <span class="source-line-no">115</span><span id="line-115"> public static class MyObserver implements RegionCoprocessor, RegionObserver {</span> |
| <span class="source-line-no">116</span><span id="line-116"> @Override</span> |
| <span class="source-line-no">117</span><span id="line-117"> public Optional<RegionObserver> getRegionObserver() {</span> |
| <span class="source-line-no">118</span><span id="line-118"> return Optional.of(this);</span> |
| <span class="source-line-no">119</span><span id="line-119"> }</span> |
| <span class="source-line-no">120</span><span id="line-120"></span> |
| <span class="source-line-no">121</span><span id="line-121"> @Override</span> |
| <span class="source-line-no">122</span><span id="line-122"> public Result postAppend(final ObserverContext<RegionCoprocessorEnvironment> c,</span> |
| <span class="source-line-no">123</span><span id="line-123"> final Append append, final Result result) {</span> |
| <span class="source-line-no">124</span><span id="line-124"> return FIXED_RESULT;</span> |
| <span class="source-line-no">125</span><span id="line-125"> }</span> |
| <span class="source-line-no">126</span><span id="line-126"></span> |
| <span class="source-line-no">127</span><span id="line-127"> @Override</span> |
| <span class="source-line-no">128</span><span id="line-128"> public Result postIncrement(final ObserverContext<RegionCoprocessorEnvironment> c,</span> |
| <span class="source-line-no">129</span><span id="line-129"> final Increment increment, final Result result) {</span> |
| <span class="source-line-no">130</span><span id="line-130"> return FIXED_RESULT;</span> |
| <span class="source-line-no">131</span><span id="line-131"> }</span> |
| <span class="source-line-no">132</span><span id="line-132"></span> |
| <span class="source-line-no">133</span><span id="line-133"> @Override</span> |
| <span class="source-line-no">134</span><span id="line-134"> public void start(CoprocessorEnvironment env) throws IOException {</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"> @Override</span> |
| <span class="source-line-no">138</span><span id="line-138"> public void stop(CoprocessorEnvironment env) throws IOException {</span> |
| <span class="source-line-no">139</span><span id="line-139"> }</span> |
| <span class="source-line-no">140</span><span id="line-140"> }</span> |
| <span class="source-line-no">141</span><span id="line-141"></span> |
| <span class="source-line-no">142</span><span id="line-142">}</span> |
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