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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.coprocessor;<a name="line.18"></a> |
| <span class="sourceLineNo">019</span><a name="line.19"></a> |
| <span class="sourceLineNo">020</span>import java.io.IOException;<a name="line.20"></a> |
| <span class="sourceLineNo">021</span>import java.util.Optional;<a name="line.21"></a> |
| <span class="sourceLineNo">022</span>import junit.framework.TestCase;<a name="line.22"></a> |
| <span class="sourceLineNo">023</span>import org.apache.hadoop.conf.Configuration;<a name="line.23"></a> |
| <span class="sourceLineNo">024</span>import org.apache.hadoop.fs.Path;<a name="line.24"></a> |
| <span class="sourceLineNo">025</span>import org.apache.hadoop.hbase.Coprocessor;<a name="line.25"></a> |
| <span class="sourceLineNo">026</span>import org.apache.hadoop.hbase.HBaseClassTestRule;<a name="line.26"></a> |
| <span class="sourceLineNo">027</span>import org.apache.hadoop.hbase.HBaseTestingUtility;<a name="line.27"></a> |
| <span class="sourceLineNo">028</span>import org.apache.hadoop.hbase.TableName;<a name="line.28"></a> |
| <span class="sourceLineNo">029</span>import org.apache.hadoop.hbase.client.ColumnFamilyDescriptorBuilder;<a name="line.29"></a> |
| <span class="sourceLineNo">030</span>import org.apache.hadoop.hbase.client.Durability;<a name="line.30"></a> |
| <span class="sourceLineNo">031</span>import org.apache.hadoop.hbase.client.Put;<a name="line.31"></a> |
| <span class="sourceLineNo">032</span>import org.apache.hadoop.hbase.client.RegionInfo;<a name="line.32"></a> |
| <span class="sourceLineNo">033</span>import org.apache.hadoop.hbase.client.RegionInfoBuilder;<a name="line.33"></a> |
| <span class="sourceLineNo">034</span>import org.apache.hadoop.hbase.client.TableDescriptor;<a name="line.34"></a> |
| <span class="sourceLineNo">035</span>import org.apache.hadoop.hbase.client.TableDescriptorBuilder;<a name="line.35"></a> |
| <span class="sourceLineNo">036</span>import org.apache.hadoop.hbase.regionserver.ChunkCreator;<a name="line.36"></a> |
| <span class="sourceLineNo">037</span>import org.apache.hadoop.hbase.regionserver.HRegion;<a name="line.37"></a> |
| <span class="sourceLineNo">038</span>import org.apache.hadoop.hbase.regionserver.MemStoreLAB;<a name="line.38"></a> |
| <span class="sourceLineNo">039</span>import org.apache.hadoop.hbase.regionserver.RegionCoprocessorHost;<a name="line.39"></a> |
| <span class="sourceLineNo">040</span>import org.apache.hadoop.hbase.regionserver.RegionServerServices;<a name="line.40"></a> |
| <span class="sourceLineNo">041</span>import org.apache.hadoop.hbase.testclassification.CoprocessorTests;<a name="line.41"></a> |
| <span class="sourceLineNo">042</span>import org.apache.hadoop.hbase.testclassification.SmallTests;<a name="line.42"></a> |
| <span class="sourceLineNo">043</span>import org.apache.hadoop.hbase.util.Bytes;<a name="line.43"></a> |
| <span class="sourceLineNo">044</span>import org.apache.hadoop.hbase.wal.WALEdit;<a name="line.44"></a> |
| <span class="sourceLineNo">045</span>import org.junit.ClassRule;<a name="line.45"></a> |
| <span class="sourceLineNo">046</span>import org.junit.experimental.categories.Category;<a name="line.46"></a> |
| <span class="sourceLineNo">047</span>import org.mockito.Mockito;<a name="line.47"></a> |
| <span class="sourceLineNo">048</span><a name="line.48"></a> |
| <span class="sourceLineNo">049</span>@Category({CoprocessorTests.class, SmallTests.class})<a name="line.49"></a> |
| <span class="sourceLineNo">050</span>public class TestRegionObserverStacking extends TestCase {<a name="line.50"></a> |
| <span class="sourceLineNo">051</span><a name="line.51"></a> |
| <span class="sourceLineNo">052</span> @ClassRule<a name="line.52"></a> |
| <span class="sourceLineNo">053</span> public static final HBaseClassTestRule CLASS_RULE =<a name="line.53"></a> |
| <span class="sourceLineNo">054</span> HBaseClassTestRule.forClass(TestRegionObserverStacking.class);<a name="line.54"></a> |
| <span class="sourceLineNo">055</span><a name="line.55"></a> |
| <span class="sourceLineNo">056</span> private static HBaseTestingUtility TEST_UTIL<a name="line.56"></a> |
| <span class="sourceLineNo">057</span> = new HBaseTestingUtility();<a name="line.57"></a> |
| <span class="sourceLineNo">058</span> static final Path DIR = TEST_UTIL.getDataTestDir();<a name="line.58"></a> |
| <span class="sourceLineNo">059</span><a name="line.59"></a> |
| <span class="sourceLineNo">060</span> public static class ObserverA implements RegionCoprocessor, RegionObserver {<a name="line.60"></a> |
| <span class="sourceLineNo">061</span> long id;<a name="line.61"></a> |
| <span class="sourceLineNo">062</span><a name="line.62"></a> |
| <span class="sourceLineNo">063</span> @Override<a name="line.63"></a> |
| <span class="sourceLineNo">064</span> public Optional<RegionObserver> getRegionObserver() {<a name="line.64"></a> |
| <span class="sourceLineNo">065</span> return Optional.of(this);<a name="line.65"></a> |
| <span class="sourceLineNo">066</span> }<a name="line.66"></a> |
| <span class="sourceLineNo">067</span><a name="line.67"></a> |
| <span class="sourceLineNo">068</span> @Override<a name="line.68"></a> |
| <span class="sourceLineNo">069</span> public void postPut(final ObserverContext<RegionCoprocessorEnvironment> c,<a name="line.69"></a> |
| <span class="sourceLineNo">070</span> final Put put, final WALEdit edit,<a name="line.70"></a> |
| <span class="sourceLineNo">071</span> final Durability durability)<a name="line.71"></a> |
| <span class="sourceLineNo">072</span> throws IOException {<a name="line.72"></a> |
| <span class="sourceLineNo">073</span> id = System.currentTimeMillis();<a name="line.73"></a> |
| <span class="sourceLineNo">074</span> try {<a name="line.74"></a> |
| <span class="sourceLineNo">075</span> Thread.sleep(10);<a name="line.75"></a> |
| <span class="sourceLineNo">076</span> } catch (InterruptedException ex) {<a name="line.76"></a> |
| <span class="sourceLineNo">077</span> }<a name="line.77"></a> |
| <span class="sourceLineNo">078</span> }<a name="line.78"></a> |
| <span class="sourceLineNo">079</span> }<a name="line.79"></a> |
| <span class="sourceLineNo">080</span><a name="line.80"></a> |
| <span class="sourceLineNo">081</span> public static class ObserverB implements RegionCoprocessor, RegionObserver {<a name="line.81"></a> |
| <span class="sourceLineNo">082</span> long id;<a name="line.82"></a> |
| <span class="sourceLineNo">083</span><a name="line.83"></a> |
| <span class="sourceLineNo">084</span> @Override<a name="line.84"></a> |
| <span class="sourceLineNo">085</span> public Optional<RegionObserver> getRegionObserver() {<a name="line.85"></a> |
| <span class="sourceLineNo">086</span> return Optional.of(this);<a name="line.86"></a> |
| <span class="sourceLineNo">087</span> }<a name="line.87"></a> |
| <span class="sourceLineNo">088</span><a name="line.88"></a> |
| <span class="sourceLineNo">089</span> @Override<a name="line.89"></a> |
| <span class="sourceLineNo">090</span> public void postPut(final ObserverContext<RegionCoprocessorEnvironment> c,<a name="line.90"></a> |
| <span class="sourceLineNo">091</span> final Put put, final WALEdit edit,<a name="line.91"></a> |
| <span class="sourceLineNo">092</span> final Durability durability)<a name="line.92"></a> |
| <span class="sourceLineNo">093</span> throws IOException {<a name="line.93"></a> |
| <span class="sourceLineNo">094</span> id = System.currentTimeMillis();<a name="line.94"></a> |
| <span class="sourceLineNo">095</span> try {<a name="line.95"></a> |
| <span class="sourceLineNo">096</span> Thread.sleep(10);<a name="line.96"></a> |
| <span class="sourceLineNo">097</span> } catch (InterruptedException ex) {<a name="line.97"></a> |
| <span class="sourceLineNo">098</span> }<a name="line.98"></a> |
| <span class="sourceLineNo">099</span> }<a name="line.99"></a> |
| <span class="sourceLineNo">100</span> }<a name="line.100"></a> |
| <span class="sourceLineNo">101</span><a name="line.101"></a> |
| <span class="sourceLineNo">102</span> public static class ObserverC implements RegionCoprocessor, RegionObserver {<a name="line.102"></a> |
| <span class="sourceLineNo">103</span> long id;<a name="line.103"></a> |
| <span class="sourceLineNo">104</span><a name="line.104"></a> |
| <span class="sourceLineNo">105</span> @Override<a name="line.105"></a> |
| <span class="sourceLineNo">106</span> public Optional<RegionObserver> getRegionObserver() {<a name="line.106"></a> |
| <span class="sourceLineNo">107</span> return Optional.of(this);<a name="line.107"></a> |
| <span class="sourceLineNo">108</span> }<a name="line.108"></a> |
| <span class="sourceLineNo">109</span><a name="line.109"></a> |
| <span class="sourceLineNo">110</span> @Override<a name="line.110"></a> |
| <span class="sourceLineNo">111</span> public void postPut(final ObserverContext<RegionCoprocessorEnvironment> c,<a name="line.111"></a> |
| <span class="sourceLineNo">112</span> final Put put, final WALEdit edit,<a name="line.112"></a> |
| <span class="sourceLineNo">113</span> final Durability durability)<a name="line.113"></a> |
| <span class="sourceLineNo">114</span> throws IOException {<a name="line.114"></a> |
| <span class="sourceLineNo">115</span> id = System.currentTimeMillis();<a name="line.115"></a> |
| <span class="sourceLineNo">116</span> try {<a name="line.116"></a> |
| <span class="sourceLineNo">117</span> Thread.sleep(10);<a name="line.117"></a> |
| <span class="sourceLineNo">118</span> } catch (InterruptedException ex) {<a name="line.118"></a> |
| <span class="sourceLineNo">119</span> }<a name="line.119"></a> |
| <span class="sourceLineNo">120</span> }<a name="line.120"></a> |
| <span class="sourceLineNo">121</span> }<a name="line.121"></a> |
| <span class="sourceLineNo">122</span><a name="line.122"></a> |
| <span class="sourceLineNo">123</span> HRegion initHRegion(byte[] tableName, String callingMethod, Configuration conf,<a name="line.123"></a> |
| <span class="sourceLineNo">124</span> byte[]... families) throws IOException {<a name="line.124"></a> |
| <span class="sourceLineNo">125</span> TableDescriptorBuilder builder =<a name="line.125"></a> |
| <span class="sourceLineNo">126</span> TableDescriptorBuilder.newBuilder(TableName.valueOf(tableName));<a name="line.126"></a> |
| <span class="sourceLineNo">127</span> for (byte[] family : families) {<a name="line.127"></a> |
| <span class="sourceLineNo">128</span> builder.setColumnFamily(ColumnFamilyDescriptorBuilder.of(family));<a name="line.128"></a> |
| <span class="sourceLineNo">129</span> }<a name="line.129"></a> |
| <span class="sourceLineNo">130</span> TableDescriptor tableDescriptor = builder.build();<a name="line.130"></a> |
| <span class="sourceLineNo">131</span> ChunkCreator.initialize(MemStoreLAB.CHUNK_SIZE_DEFAULT, false, 0, 0,<a name="line.131"></a> |
| <span class="sourceLineNo">132</span> 0, null, MemStoreLAB.INDEX_CHUNK_SIZE_PERCENTAGE_DEFAULT);<a name="line.132"></a> |
| <span class="sourceLineNo">133</span> RegionInfo info = RegionInfoBuilder.newBuilder(tableDescriptor.getTableName()).build();<a name="line.133"></a> |
| <span class="sourceLineNo">134</span> Path path = new Path(DIR + callingMethod);<a name="line.134"></a> |
| <span class="sourceLineNo">135</span> HRegion r = HBaseTestingUtility.createRegionAndWAL(info, path, conf, tableDescriptor);<a name="line.135"></a> |
| <span class="sourceLineNo">136</span> // this following piece is a hack. currently a coprocessorHost<a name="line.136"></a> |
| <span class="sourceLineNo">137</span> // is secretly loaded at OpenRegionHandler. we don't really<a name="line.137"></a> |
| <span class="sourceLineNo">138</span> // start a region server here, so just manually create cphost<a name="line.138"></a> |
| <span class="sourceLineNo">139</span> // and set it to region.<a name="line.139"></a> |
| <span class="sourceLineNo">140</span> RegionCoprocessorHost host = new RegionCoprocessorHost(r,<a name="line.140"></a> |
| <span class="sourceLineNo">141</span> Mockito.mock(RegionServerServices.class), conf);<a name="line.141"></a> |
| <span class="sourceLineNo">142</span> r.setCoprocessorHost(host);<a name="line.142"></a> |
| <span class="sourceLineNo">143</span> return r;<a name="line.143"></a> |
| <span class="sourceLineNo">144</span> }<a name="line.144"></a> |
| <span class="sourceLineNo">145</span><a name="line.145"></a> |
| <span class="sourceLineNo">146</span> public void testRegionObserverStacking() throws Exception {<a name="line.146"></a> |
| <span class="sourceLineNo">147</span> byte[] ROW = Bytes.toBytes("testRow");<a name="line.147"></a> |
| <span class="sourceLineNo">148</span> byte[] TABLE = Bytes.toBytes(this.getClass().getSimpleName());<a name="line.148"></a> |
| <span class="sourceLineNo">149</span> byte[] A = Bytes.toBytes("A");<a name="line.149"></a> |
| <span class="sourceLineNo">150</span> byte[][] FAMILIES = new byte[][] { A } ;<a name="line.150"></a> |
| <span class="sourceLineNo">151</span><a name="line.151"></a> |
| <span class="sourceLineNo">152</span> Configuration conf = TEST_UTIL.getConfiguration();<a name="line.152"></a> |
| <span class="sourceLineNo">153</span> HRegion region = initHRegion(TABLE, getClass().getName(),<a name="line.153"></a> |
| <span class="sourceLineNo">154</span> conf, FAMILIES);<a name="line.154"></a> |
| <span class="sourceLineNo">155</span> RegionCoprocessorHost h = region.getCoprocessorHost();<a name="line.155"></a> |
| <span class="sourceLineNo">156</span> h.load(ObserverA.class, Coprocessor.PRIORITY_HIGHEST, conf);<a name="line.156"></a> |
| <span class="sourceLineNo">157</span> h.load(ObserverB.class, Coprocessor.PRIORITY_USER, conf);<a name="line.157"></a> |
| <span class="sourceLineNo">158</span> h.load(ObserverC.class, Coprocessor.PRIORITY_LOWEST, conf);<a name="line.158"></a> |
| <span class="sourceLineNo">159</span><a name="line.159"></a> |
| <span class="sourceLineNo">160</span> Put put = new Put(ROW);<a name="line.160"></a> |
| <span class="sourceLineNo">161</span> put.addColumn(A, A, A);<a name="line.161"></a> |
| <span class="sourceLineNo">162</span> region.put(put);<a name="line.162"></a> |
| <span class="sourceLineNo">163</span><a name="line.163"></a> |
| <span class="sourceLineNo">164</span> Coprocessor c = h.findCoprocessor(ObserverA.class.getName());<a name="line.164"></a> |
| <span class="sourceLineNo">165</span> long idA = ((ObserverA)c).id;<a name="line.165"></a> |
| <span class="sourceLineNo">166</span> c = h.findCoprocessor(ObserverB.class.getName());<a name="line.166"></a> |
| <span class="sourceLineNo">167</span> long idB = ((ObserverB)c).id;<a name="line.167"></a> |
| <span class="sourceLineNo">168</span> c = h.findCoprocessor(ObserverC.class.getName());<a name="line.168"></a> |
| <span class="sourceLineNo">169</span> long idC = ((ObserverC)c).id;<a name="line.169"></a> |
| <span class="sourceLineNo">170</span><a name="line.170"></a> |
| <span class="sourceLineNo">171</span> assertTrue(idA < idB);<a name="line.171"></a> |
| <span class="sourceLineNo">172</span> assertTrue(idB < idC);<a name="line.172"></a> |
| <span class="sourceLineNo">173</span> HBaseTestingUtility.closeRegionAndWAL(region);<a name="line.173"></a> |
| <span class="sourceLineNo">174</span> }<a name="line.174"></a> |
| <span class="sourceLineNo">175</span>}<a name="line.175"></a> |
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