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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.coprocessor;</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.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.Optional;</span> |
| <span class="source-line-no">024</span><span id="line-24">import org.apache.hadoop.conf.Configuration;</span> |
| <span class="source-line-no">025</span><span id="line-25">import org.apache.hadoop.fs.Path;</span> |
| <span class="source-line-no">026</span><span id="line-26">import org.apache.hadoop.hbase.Coprocessor;</span> |
| <span class="source-line-no">027</span><span id="line-27">import org.apache.hadoop.hbase.HBaseClassTestRule;</span> |
| <span class="source-line-no">028</span><span id="line-28">import org.apache.hadoop.hbase.HBaseTestingUtil;</span> |
| <span class="source-line-no">029</span><span id="line-29">import org.apache.hadoop.hbase.TableName;</span> |
| <span class="source-line-no">030</span><span id="line-30">import org.apache.hadoop.hbase.client.ColumnFamilyDescriptorBuilder;</span> |
| <span class="source-line-no">031</span><span id="line-31">import org.apache.hadoop.hbase.client.Durability;</span> |
| <span class="source-line-no">032</span><span id="line-32">import org.apache.hadoop.hbase.client.Put;</span> |
| <span class="source-line-no">033</span><span id="line-33">import org.apache.hadoop.hbase.client.RegionInfo;</span> |
| <span class="source-line-no">034</span><span id="line-34">import org.apache.hadoop.hbase.client.RegionInfoBuilder;</span> |
| <span class="source-line-no">035</span><span id="line-35">import org.apache.hadoop.hbase.client.TableDescriptor;</span> |
| <span class="source-line-no">036</span><span id="line-36">import org.apache.hadoop.hbase.client.TableDescriptorBuilder;</span> |
| <span class="source-line-no">037</span><span id="line-37">import org.apache.hadoop.hbase.regionserver.ChunkCreator;</span> |
| <span class="source-line-no">038</span><span id="line-38">import org.apache.hadoop.hbase.regionserver.HRegion;</span> |
| <span class="source-line-no">039</span><span id="line-39">import org.apache.hadoop.hbase.regionserver.MemStoreLAB;</span> |
| <span class="source-line-no">040</span><span id="line-40">import org.apache.hadoop.hbase.regionserver.RegionCoprocessorHost;</span> |
| <span class="source-line-no">041</span><span id="line-41">import org.apache.hadoop.hbase.regionserver.RegionServerServices;</span> |
| <span class="source-line-no">042</span><span id="line-42">import org.apache.hadoop.hbase.testclassification.CoprocessorTests;</span> |
| <span class="source-line-no">043</span><span id="line-43">import org.apache.hadoop.hbase.testclassification.SmallTests;</span> |
| <span class="source-line-no">044</span><span id="line-44">import org.apache.hadoop.hbase.util.Bytes;</span> |
| <span class="source-line-no">045</span><span id="line-45">import org.apache.hadoop.hbase.util.EnvironmentEdgeManager;</span> |
| <span class="source-line-no">046</span><span id="line-46">import org.apache.hadoop.hbase.util.Threads;</span> |
| <span class="source-line-no">047</span><span id="line-47">import org.apache.hadoop.hbase.wal.WALEdit;</span> |
| <span class="source-line-no">048</span><span id="line-48">import org.junit.ClassRule;</span> |
| <span class="source-line-no">049</span><span id="line-49">import org.junit.Test;</span> |
| <span class="source-line-no">050</span><span id="line-50">import org.junit.experimental.categories.Category;</span> |
| <span class="source-line-no">051</span><span id="line-51">import org.mockito.Mockito;</span> |
| <span class="source-line-no">052</span><span id="line-52"></span> |
| <span class="source-line-no">053</span><span id="line-53">@Category({ CoprocessorTests.class, SmallTests.class })</span> |
| <span class="source-line-no">054</span><span id="line-54">public class TestRegionObserverStacking {</span> |
| <span class="source-line-no">055</span><span id="line-55"></span> |
| <span class="source-line-no">056</span><span id="line-56"> @ClassRule</span> |
| <span class="source-line-no">057</span><span id="line-57"> public static final HBaseClassTestRule CLASS_RULE =</span> |
| <span class="source-line-no">058</span><span id="line-58"> HBaseClassTestRule.forClass(TestRegionObserverStacking.class);</span> |
| <span class="source-line-no">059</span><span id="line-59"></span> |
| <span class="source-line-no">060</span><span id="line-60"> private static HBaseTestingUtil TEST_UTIL = new HBaseTestingUtil();</span> |
| <span class="source-line-no">061</span><span id="line-61"> static final Path DIR = TEST_UTIL.getDataTestDir();</span> |
| <span class="source-line-no">062</span><span id="line-62"></span> |
| <span class="source-line-no">063</span><span id="line-63"> public static class ObserverA implements RegionCoprocessor, RegionObserver {</span> |
| <span class="source-line-no">064</span><span id="line-64"> long id;</span> |
| <span class="source-line-no">065</span><span id="line-65"></span> |
| <span class="source-line-no">066</span><span id="line-66"> @Override</span> |
| <span class="source-line-no">067</span><span id="line-67"> public Optional<RegionObserver> getRegionObserver() {</span> |
| <span class="source-line-no">068</span><span id="line-68"> return Optional.of(this);</span> |
| <span class="source-line-no">069</span><span id="line-69"> }</span> |
| <span class="source-line-no">070</span><span id="line-70"></span> |
| <span class="source-line-no">071</span><span id="line-71"> @Override</span> |
| <span class="source-line-no">072</span><span id="line-72"> public void postPut(final ObserverContext<RegionCoprocessorEnvironment> c, final Put put,</span> |
| <span class="source-line-no">073</span><span id="line-73"> final WALEdit edit, final Durability durability) throws IOException {</span> |
| <span class="source-line-no">074</span><span id="line-74"> id = EnvironmentEdgeManager.currentTime();</span> |
| <span class="source-line-no">075</span><span id="line-75"> Threads.sleepWithoutInterrupt(10);</span> |
| <span class="source-line-no">076</span><span id="line-76"> }</span> |
| <span class="source-line-no">077</span><span id="line-77"> }</span> |
| <span class="source-line-no">078</span><span id="line-78"></span> |
| <span class="source-line-no">079</span><span id="line-79"> public static class ObserverB implements RegionCoprocessor, RegionObserver {</span> |
| <span class="source-line-no">080</span><span id="line-80"> long id;</span> |
| <span class="source-line-no">081</span><span id="line-81"></span> |
| <span class="source-line-no">082</span><span id="line-82"> @Override</span> |
| <span class="source-line-no">083</span><span id="line-83"> public Optional<RegionObserver> getRegionObserver() {</span> |
| <span class="source-line-no">084</span><span id="line-84"> return Optional.of(this);</span> |
| <span class="source-line-no">085</span><span id="line-85"> }</span> |
| <span class="source-line-no">086</span><span id="line-86"></span> |
| <span class="source-line-no">087</span><span id="line-87"> @Override</span> |
| <span class="source-line-no">088</span><span id="line-88"> public void postPut(final ObserverContext<RegionCoprocessorEnvironment> c, final Put put,</span> |
| <span class="source-line-no">089</span><span id="line-89"> final WALEdit edit, final Durability durability) throws IOException {</span> |
| <span class="source-line-no">090</span><span id="line-90"> id = EnvironmentEdgeManager.currentTime();</span> |
| <span class="source-line-no">091</span><span id="line-91"> Threads.sleepWithoutInterrupt(10);</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"></span> |
| <span class="source-line-no">095</span><span id="line-95"> public static class ObserverC implements RegionCoprocessor, RegionObserver {</span> |
| <span class="source-line-no">096</span><span id="line-96"> long id;</span> |
| <span class="source-line-no">097</span><span id="line-97"></span> |
| <span class="source-line-no">098</span><span id="line-98"> @Override</span> |
| <span class="source-line-no">099</span><span id="line-99"> public Optional<RegionObserver> getRegionObserver() {</span> |
| <span class="source-line-no">100</span><span id="line-100"> return Optional.of(this);</span> |
| <span class="source-line-no">101</span><span id="line-101"> }</span> |
| <span class="source-line-no">102</span><span id="line-102"></span> |
| <span class="source-line-no">103</span><span id="line-103"> @Override</span> |
| <span class="source-line-no">104</span><span id="line-104"> public void postPut(final ObserverContext<RegionCoprocessorEnvironment> c, final Put put,</span> |
| <span class="source-line-no">105</span><span id="line-105"> final WALEdit edit, final Durability durability) throws IOException {</span> |
| <span class="source-line-no">106</span><span id="line-106"> id = EnvironmentEdgeManager.currentTime();</span> |
| <span class="source-line-no">107</span><span id="line-107"> Threads.sleepWithoutInterrupt(10);</span> |
| <span class="source-line-no">108</span><span id="line-108"> }</span> |
| <span class="source-line-no">109</span><span id="line-109"> }</span> |
| <span class="source-line-no">110</span><span id="line-110"></span> |
| <span class="source-line-no">111</span><span id="line-111"> HRegion initHRegion(byte[] tableName, String callingMethod, Configuration conf,</span> |
| <span class="source-line-no">112</span><span id="line-112"> byte[]... families) throws IOException {</span> |
| <span class="source-line-no">113</span><span id="line-113"> TableDescriptorBuilder builder =</span> |
| <span class="source-line-no">114</span><span id="line-114"> TableDescriptorBuilder.newBuilder(TableName.valueOf(tableName));</span> |
| <span class="source-line-no">115</span><span id="line-115"> for (byte[] family : families) {</span> |
| <span class="source-line-no">116</span><span id="line-116"> builder.setColumnFamily(ColumnFamilyDescriptorBuilder.of(family));</span> |
| <span class="source-line-no">117</span><span id="line-117"> }</span> |
| <span class="source-line-no">118</span><span id="line-118"> TableDescriptor tableDescriptor = builder.build();</span> |
| <span class="source-line-no">119</span><span id="line-119"> ChunkCreator.initialize(MemStoreLAB.CHUNK_SIZE_DEFAULT, false, 0, 0, 0, null,</span> |
| <span class="source-line-no">120</span><span id="line-120"> MemStoreLAB.INDEX_CHUNK_SIZE_PERCENTAGE_DEFAULT);</span> |
| <span class="source-line-no">121</span><span id="line-121"> RegionInfo info = RegionInfoBuilder.newBuilder(tableDescriptor.getTableName()).build();</span> |
| <span class="source-line-no">122</span><span id="line-122"> Path path = new Path(DIR + callingMethod);</span> |
| <span class="source-line-no">123</span><span id="line-123"> HRegion r = HBaseTestingUtil.createRegionAndWAL(info, path, conf, tableDescriptor);</span> |
| <span class="source-line-no">124</span><span id="line-124"> // this following piece is a hack. currently a coprocessorHost</span> |
| <span class="source-line-no">125</span><span id="line-125"> // is secretly loaded at OpenRegionHandler. we don't really</span> |
| <span class="source-line-no">126</span><span id="line-126"> // start a region server here, so just manually create cphost</span> |
| <span class="source-line-no">127</span><span id="line-127"> // and set it to region.</span> |
| <span class="source-line-no">128</span><span id="line-128"> RegionCoprocessorHost host =</span> |
| <span class="source-line-no">129</span><span id="line-129"> new RegionCoprocessorHost(r, Mockito.mock(RegionServerServices.class), conf);</span> |
| <span class="source-line-no">130</span><span id="line-130"> r.setCoprocessorHost(host);</span> |
| <span class="source-line-no">131</span><span id="line-131"> return r;</span> |
| <span class="source-line-no">132</span><span id="line-132"> }</span> |
| <span class="source-line-no">133</span><span id="line-133"></span> |
| <span class="source-line-no">134</span><span id="line-134"> @Test</span> |
| <span class="source-line-no">135</span><span id="line-135"> public void testRegionObserverStacking() throws Exception {</span> |
| <span class="source-line-no">136</span><span id="line-136"> byte[] ROW = Bytes.toBytes("testRow");</span> |
| <span class="source-line-no">137</span><span id="line-137"> byte[] TABLE = Bytes.toBytes(this.getClass().getSimpleName());</span> |
| <span class="source-line-no">138</span><span id="line-138"> byte[] A = Bytes.toBytes("A");</span> |
| <span class="source-line-no">139</span><span id="line-139"> byte[][] FAMILIES = new byte[][] { A };</span> |
| <span class="source-line-no">140</span><span id="line-140"></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"> HRegion region = initHRegion(TABLE, getClass().getName(), conf, FAMILIES);</span> |
| <span class="source-line-no">143</span><span id="line-143"> RegionCoprocessorHost h = region.getCoprocessorHost();</span> |
| <span class="source-line-no">144</span><span id="line-144"> h.load(ObserverA.class, Coprocessor.PRIORITY_HIGHEST, conf);</span> |
| <span class="source-line-no">145</span><span id="line-145"> h.load(ObserverB.class, Coprocessor.PRIORITY_USER, conf);</span> |
| <span class="source-line-no">146</span><span id="line-146"> h.load(ObserverC.class, Coprocessor.PRIORITY_LOWEST, conf);</span> |
| <span class="source-line-no">147</span><span id="line-147"></span> |
| <span class="source-line-no">148</span><span id="line-148"> Put put = new Put(ROW);</span> |
| <span class="source-line-no">149</span><span id="line-149"> put.addColumn(A, A, A);</span> |
| <span class="source-line-no">150</span><span id="line-150"> region.put(put);</span> |
| <span class="source-line-no">151</span><span id="line-151"></span> |
| <span class="source-line-no">152</span><span id="line-152"> Coprocessor c = h.findCoprocessor(ObserverA.class.getName());</span> |
| <span class="source-line-no">153</span><span id="line-153"> long idA = ((ObserverA) c).id;</span> |
| <span class="source-line-no">154</span><span id="line-154"> c = h.findCoprocessor(ObserverB.class.getName());</span> |
| <span class="source-line-no">155</span><span id="line-155"> long idB = ((ObserverB) c).id;</span> |
| <span class="source-line-no">156</span><span id="line-156"> c = h.findCoprocessor(ObserverC.class.getName());</span> |
| <span class="source-line-no">157</span><span id="line-157"> long idC = ((ObserverC) c).id;</span> |
| <span class="source-line-no">158</span><span id="line-158"></span> |
| <span class="source-line-no">159</span><span id="line-159"> assertTrue(idA < idB);</span> |
| <span class="source-line-no">160</span><span id="line-160"> assertTrue(idB < idC);</span> |
| <span class="source-line-no">161</span><span id="line-161"> HBaseTestingUtil.closeRegionAndWAL(region);</span> |
| <span class="source-line-no">162</span><span id="line-162"> }</span> |
| <span class="source-line-no">163</span><span id="line-163">}</span> |
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