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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.master.cleaner;<a name="line.18"></a>
<span class="sourceLineNo">019</span><a name="line.19"></a>
<span class="sourceLineNo">020</span>import static org.junit.Assert.assertArrayEquals;<a name="line.20"></a>
<span class="sourceLineNo">021</span>import static org.junit.Assert.assertFalse;<a name="line.21"></a>
<span class="sourceLineNo">022</span>import static org.mockito.ArgumentMatchers.any;<a name="line.22"></a>
<span class="sourceLineNo">023</span>import static org.mockito.ArgumentMatchers.anyList;<a name="line.23"></a>
<span class="sourceLineNo">024</span>import static org.mockito.ArgumentMatchers.anyString;<a name="line.24"></a>
<span class="sourceLineNo">025</span>import static org.mockito.Mockito.mock;<a name="line.25"></a>
<span class="sourceLineNo">026</span>import static org.mockito.Mockito.never;<a name="line.26"></a>
<span class="sourceLineNo">027</span>import static org.mockito.Mockito.times;<a name="line.27"></a>
<span class="sourceLineNo">028</span>import static org.mockito.Mockito.verify;<a name="line.28"></a>
<span class="sourceLineNo">029</span>import static org.mockito.Mockito.when;<a name="line.29"></a>
<span class="sourceLineNo">030</span><a name="line.30"></a>
<span class="sourceLineNo">031</span>import java.io.IOException;<a name="line.31"></a>
<span class="sourceLineNo">032</span>import java.util.Arrays;<a name="line.32"></a>
<span class="sourceLineNo">033</span>import java.util.Collections;<a name="line.33"></a>
<span class="sourceLineNo">034</span>import java.util.List;<a name="line.34"></a>
<span class="sourceLineNo">035</span>import org.apache.hadoop.hbase.HBaseClassTestRule;<a name="line.35"></a>
<span class="sourceLineNo">036</span>import org.apache.hadoop.hbase.HBaseTestingUtil;<a name="line.36"></a>
<span class="sourceLineNo">037</span>import org.apache.hadoop.hbase.HConstants;<a name="line.37"></a>
<span class="sourceLineNo">038</span>import org.apache.hadoop.hbase.Stoppable;<a name="line.38"></a>
<span class="sourceLineNo">039</span>import org.apache.hadoop.hbase.TableName;<a name="line.39"></a>
<span class="sourceLineNo">040</span>import org.apache.hadoop.hbase.client.Delete;<a name="line.40"></a>
<span class="sourceLineNo">041</span>import org.apache.hadoop.hbase.client.Get;<a name="line.41"></a>
<span class="sourceLineNo">042</span>import org.apache.hadoop.hbase.client.Put;<a name="line.42"></a>
<span class="sourceLineNo">043</span>import org.apache.hadoop.hbase.client.RegionInfo;<a name="line.43"></a>
<span class="sourceLineNo">044</span>import org.apache.hadoop.hbase.client.RegionInfoBuilder;<a name="line.44"></a>
<span class="sourceLineNo">045</span>import org.apache.hadoop.hbase.client.Result;<a name="line.45"></a>
<span class="sourceLineNo">046</span>import org.apache.hadoop.hbase.client.ResultScanner;<a name="line.46"></a>
<span class="sourceLineNo">047</span>import org.apache.hadoop.hbase.client.Scan;<a name="line.47"></a>
<span class="sourceLineNo">048</span>import org.apache.hadoop.hbase.client.Table;<a name="line.48"></a>
<span class="sourceLineNo">049</span>import org.apache.hadoop.hbase.filter.FirstKeyOnlyFilter;<a name="line.49"></a>
<span class="sourceLineNo">050</span>import org.apache.hadoop.hbase.master.replication.ReplicationPeerManager;<a name="line.50"></a>
<span class="sourceLineNo">051</span>import org.apache.hadoop.hbase.replication.ReplicationBarrierFamilyFormat;<a name="line.51"></a>
<span class="sourceLineNo">052</span>import org.apache.hadoop.hbase.replication.ReplicationException;<a name="line.52"></a>
<span class="sourceLineNo">053</span>import org.apache.hadoop.hbase.replication.ReplicationQueueStorage;<a name="line.53"></a>
<span class="sourceLineNo">054</span>import org.apache.hadoop.hbase.testclassification.MasterTests;<a name="line.54"></a>
<span class="sourceLineNo">055</span>import org.apache.hadoop.hbase.testclassification.MediumTests;<a name="line.55"></a>
<span class="sourceLineNo">056</span>import org.apache.hadoop.hbase.util.Bytes;<a name="line.56"></a>
<span class="sourceLineNo">057</span>import org.apache.hadoop.hbase.util.EnvironmentEdgeManager;<a name="line.57"></a>
<span class="sourceLineNo">058</span>import org.junit.After;<a name="line.58"></a>
<span class="sourceLineNo">059</span>import org.junit.AfterClass;<a name="line.59"></a>
<span class="sourceLineNo">060</span>import org.junit.BeforeClass;<a name="line.60"></a>
<span class="sourceLineNo">061</span>import org.junit.ClassRule;<a name="line.61"></a>
<span class="sourceLineNo">062</span>import org.junit.Rule;<a name="line.62"></a>
<span class="sourceLineNo">063</span>import org.junit.Test;<a name="line.63"></a>
<span class="sourceLineNo">064</span>import org.junit.experimental.categories.Category;<a name="line.64"></a>
<span class="sourceLineNo">065</span>import org.junit.rules.TestName;<a name="line.65"></a>
<span class="sourceLineNo">066</span>import org.slf4j.Logger;<a name="line.66"></a>
<span class="sourceLineNo">067</span>import org.slf4j.LoggerFactory;<a name="line.67"></a>
<span class="sourceLineNo">068</span><a name="line.68"></a>
<span class="sourceLineNo">069</span>import org.apache.hbase.thirdparty.com.google.common.collect.Lists;<a name="line.69"></a>
<span class="sourceLineNo">070</span><a name="line.70"></a>
<span class="sourceLineNo">071</span>@Category({ MasterTests.class, MediumTests.class })<a name="line.71"></a>
<span class="sourceLineNo">072</span>public class TestReplicationBarrierCleaner {<a name="line.72"></a>
<span class="sourceLineNo">073</span><a name="line.73"></a>
<span class="sourceLineNo">074</span> @ClassRule<a name="line.74"></a>
<span class="sourceLineNo">075</span> public static final HBaseClassTestRule CLASS_RULE =<a name="line.75"></a>
<span class="sourceLineNo">076</span> HBaseClassTestRule.forClass(TestReplicationBarrierCleaner.class);<a name="line.76"></a>
<span class="sourceLineNo">077</span><a name="line.77"></a>
<span class="sourceLineNo">078</span> private static final Logger LOG = LoggerFactory.getLogger(TestHFileCleaner.class);<a name="line.78"></a>
<span class="sourceLineNo">079</span><a name="line.79"></a>
<span class="sourceLineNo">080</span> private static final HBaseTestingUtil UTIL = new HBaseTestingUtil();<a name="line.80"></a>
<span class="sourceLineNo">081</span><a name="line.81"></a>
<span class="sourceLineNo">082</span> @Rule<a name="line.82"></a>
<span class="sourceLineNo">083</span> public final TestName name = new TestName();<a name="line.83"></a>
<span class="sourceLineNo">084</span><a name="line.84"></a>
<span class="sourceLineNo">085</span> @BeforeClass<a name="line.85"></a>
<span class="sourceLineNo">086</span> public static void setUpBeforeClass() throws Exception {<a name="line.86"></a>
<span class="sourceLineNo">087</span> UTIL.startMiniCluster(1);<a name="line.87"></a>
<span class="sourceLineNo">088</span> }<a name="line.88"></a>
<span class="sourceLineNo">089</span><a name="line.89"></a>
<span class="sourceLineNo">090</span> @AfterClass<a name="line.90"></a>
<span class="sourceLineNo">091</span> public static void tearDownAfterClass() throws Exception {<a name="line.91"></a>
<span class="sourceLineNo">092</span> UTIL.shutdownMiniCluster();<a name="line.92"></a>
<span class="sourceLineNo">093</span> }<a name="line.93"></a>
<span class="sourceLineNo">094</span><a name="line.94"></a>
<span class="sourceLineNo">095</span> @After<a name="line.95"></a>
<span class="sourceLineNo">096</span> public void tearDown() throws IOException {<a name="line.96"></a>
<span class="sourceLineNo">097</span> try (Table table = UTIL.getConnection().getTable(TableName.META_TABLE_NAME);<a name="line.97"></a>
<span class="sourceLineNo">098</span> ResultScanner scanner = table.getScanner(new Scan().addFamily(HConstants.CATALOG_FAMILY)<a name="line.98"></a>
<span class="sourceLineNo">099</span> .addFamily(HConstants.REPLICATION_BARRIER_FAMILY).setFilter(new FirstKeyOnlyFilter()))) {<a name="line.99"></a>
<span class="sourceLineNo">100</span> for (;;) {<a name="line.100"></a>
<span class="sourceLineNo">101</span> Result result = scanner.next();<a name="line.101"></a>
<span class="sourceLineNo">102</span> if (result == null) {<a name="line.102"></a>
<span class="sourceLineNo">103</span> break;<a name="line.103"></a>
<span class="sourceLineNo">104</span> }<a name="line.104"></a>
<span class="sourceLineNo">105</span> TableName tableName = RegionInfo.getTable(result.getRow());<a name="line.105"></a>
<span class="sourceLineNo">106</span> if (!tableName.isSystemTable()) {<a name="line.106"></a>
<span class="sourceLineNo">107</span> table.delete(new Delete(result.getRow()));<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> }<a name="line.110"></a>
<span class="sourceLineNo">111</span> }<a name="line.111"></a>
<span class="sourceLineNo">112</span><a name="line.112"></a>
<span class="sourceLineNo">113</span> private ReplicationPeerManager create(ReplicationQueueStorage queueStorage,<a name="line.113"></a>
<span class="sourceLineNo">114</span> List&lt;String&gt; firstPeerIds, @SuppressWarnings("unchecked") List&lt;String&gt;... peerIds) {<a name="line.114"></a>
<span class="sourceLineNo">115</span> ReplicationPeerManager peerManager = mock(ReplicationPeerManager.class);<a name="line.115"></a>
<span class="sourceLineNo">116</span> if (queueStorage != null) {<a name="line.116"></a>
<span class="sourceLineNo">117</span> when(peerManager.getQueueStorage()).thenReturn(queueStorage);<a name="line.117"></a>
<span class="sourceLineNo">118</span> }<a name="line.118"></a>
<span class="sourceLineNo">119</span> if (peerIds.length == 0) {<a name="line.119"></a>
<span class="sourceLineNo">120</span> when(peerManager.getSerialPeerIdsBelongsTo(any(TableName.class))).thenReturn(firstPeerIds);<a name="line.120"></a>
<span class="sourceLineNo">121</span> } else {<a name="line.121"></a>
<span class="sourceLineNo">122</span> when(peerManager.getSerialPeerIdsBelongsTo(any(TableName.class))).thenReturn(firstPeerIds,<a name="line.122"></a>
<span class="sourceLineNo">123</span> peerIds);<a name="line.123"></a>
<span class="sourceLineNo">124</span> }<a name="line.124"></a>
<span class="sourceLineNo">125</span> return peerManager;<a name="line.125"></a>
<span class="sourceLineNo">126</span> }<a name="line.126"></a>
<span class="sourceLineNo">127</span><a name="line.127"></a>
<span class="sourceLineNo">128</span> private ReplicationQueueStorage create(Long lastPushedSeqId, Long... lastPushedSeqIds)<a name="line.128"></a>
<span class="sourceLineNo">129</span> throws ReplicationException {<a name="line.129"></a>
<span class="sourceLineNo">130</span> ReplicationQueueStorage queueStorage = mock(ReplicationQueueStorage.class);<a name="line.130"></a>
<span class="sourceLineNo">131</span> if (lastPushedSeqIds.length == 0) {<a name="line.131"></a>
<span class="sourceLineNo">132</span> when(queueStorage.getLastSequenceId(anyString(), anyString())).thenReturn(lastPushedSeqId);<a name="line.132"></a>
<span class="sourceLineNo">133</span> } else {<a name="line.133"></a>
<span class="sourceLineNo">134</span> when(queueStorage.getLastSequenceId(anyString(), anyString())).thenReturn(lastPushedSeqId,<a name="line.134"></a>
<span class="sourceLineNo">135</span> lastPushedSeqIds);<a name="line.135"></a>
<span class="sourceLineNo">136</span> }<a name="line.136"></a>
<span class="sourceLineNo">137</span> return queueStorage;<a name="line.137"></a>
<span class="sourceLineNo">138</span> }<a name="line.138"></a>
<span class="sourceLineNo">139</span><a name="line.139"></a>
<span class="sourceLineNo">140</span> private ReplicationBarrierCleaner create(ReplicationPeerManager peerManager) throws IOException {<a name="line.140"></a>
<span class="sourceLineNo">141</span> return new ReplicationBarrierCleaner(UTIL.getConfiguration(), new WarnOnlyStoppable(),<a name="line.141"></a>
<span class="sourceLineNo">142</span> UTIL.getConnection(), peerManager);<a name="line.142"></a>
<span class="sourceLineNo">143</span> }<a name="line.143"></a>
<span class="sourceLineNo">144</span><a name="line.144"></a>
<span class="sourceLineNo">145</span> private void addBarrier(RegionInfo region, long... barriers) throws IOException {<a name="line.145"></a>
<span class="sourceLineNo">146</span> Put put = new Put(region.getRegionName(), EnvironmentEdgeManager.currentTime());<a name="line.146"></a>
<span class="sourceLineNo">147</span> for (int i = 0; i &lt; barriers.length; i++) {<a name="line.147"></a>
<span class="sourceLineNo">148</span> put.addColumn(HConstants.REPLICATION_BARRIER_FAMILY, HConstants.SEQNUM_QUALIFIER,<a name="line.148"></a>
<span class="sourceLineNo">149</span> put.getTimestamp() - barriers.length + i, Bytes.toBytes(barriers[i]));<a name="line.149"></a>
<span class="sourceLineNo">150</span> }<a name="line.150"></a>
<span class="sourceLineNo">151</span> try (Table table = UTIL.getConnection().getTable(TableName.META_TABLE_NAME)) {<a name="line.151"></a>
<span class="sourceLineNo">152</span> table.put(put);<a name="line.152"></a>
<span class="sourceLineNo">153</span> }<a name="line.153"></a>
<span class="sourceLineNo">154</span> }<a name="line.154"></a>
<span class="sourceLineNo">155</span><a name="line.155"></a>
<span class="sourceLineNo">156</span> private void fillCatalogFamily(RegionInfo region) throws IOException {<a name="line.156"></a>
<span class="sourceLineNo">157</span> try (Table table = UTIL.getConnection().getTable(TableName.META_TABLE_NAME)) {<a name="line.157"></a>
<span class="sourceLineNo">158</span> table.put(new Put(region.getRegionName()).addColumn(HConstants.CATALOG_FAMILY,<a name="line.158"></a>
<span class="sourceLineNo">159</span> Bytes.toBytes("whatever"), Bytes.toBytes("whatever")));<a name="line.159"></a>
<span class="sourceLineNo">160</span> }<a name="line.160"></a>
<span class="sourceLineNo">161</span> }<a name="line.161"></a>
<span class="sourceLineNo">162</span><a name="line.162"></a>
<span class="sourceLineNo">163</span> private void clearCatalogFamily(RegionInfo region) throws IOException {<a name="line.163"></a>
<span class="sourceLineNo">164</span> try (Table table = UTIL.getConnection().getTable(TableName.META_TABLE_NAME)) {<a name="line.164"></a>
<span class="sourceLineNo">165</span> table.delete(new Delete(region.getRegionName()).addFamily(HConstants.CATALOG_FAMILY));<a name="line.165"></a>
<span class="sourceLineNo">166</span> }<a name="line.166"></a>
<span class="sourceLineNo">167</span> }<a name="line.167"></a>
<span class="sourceLineNo">168</span><a name="line.168"></a>
<span class="sourceLineNo">169</span> @Test<a name="line.169"></a>
<span class="sourceLineNo">170</span> public void testNothing() throws IOException {<a name="line.170"></a>
<span class="sourceLineNo">171</span> ReplicationPeerManager peerManager = mock(ReplicationPeerManager.class);<a name="line.171"></a>
<span class="sourceLineNo">172</span> ReplicationBarrierCleaner cleaner = create(peerManager);<a name="line.172"></a>
<span class="sourceLineNo">173</span> cleaner.chore();<a name="line.173"></a>
<span class="sourceLineNo">174</span> verify(peerManager, never()).getSerialPeerIdsBelongsTo(any(TableName.class));<a name="line.174"></a>
<span class="sourceLineNo">175</span> verify(peerManager, never()).getQueueStorage();<a name="line.175"></a>
<span class="sourceLineNo">176</span> }<a name="line.176"></a>
<span class="sourceLineNo">177</span><a name="line.177"></a>
<span class="sourceLineNo">178</span> @Test<a name="line.178"></a>
<span class="sourceLineNo">179</span> public void testCleanNoPeers() throws IOException {<a name="line.179"></a>
<span class="sourceLineNo">180</span> TableName tableName1 = TableName.valueOf(name.getMethodName() + "_1");<a name="line.180"></a>
<span class="sourceLineNo">181</span> RegionInfo region11 =<a name="line.181"></a>
<span class="sourceLineNo">182</span> RegionInfoBuilder.newBuilder(tableName1).setEndKey(Bytes.toBytes(1)).build();<a name="line.182"></a>
<span class="sourceLineNo">183</span> addBarrier(region11, 10, 20, 30, 40, 50, 60);<a name="line.183"></a>
<span class="sourceLineNo">184</span> fillCatalogFamily(region11);<a name="line.184"></a>
<span class="sourceLineNo">185</span> RegionInfo region12 =<a name="line.185"></a>
<span class="sourceLineNo">186</span> RegionInfoBuilder.newBuilder(tableName1).setStartKey(Bytes.toBytes(1)).build();<a name="line.186"></a>
<span class="sourceLineNo">187</span> addBarrier(region12, 20, 30, 40, 50, 60, 70);<a name="line.187"></a>
<span class="sourceLineNo">188</span> fillCatalogFamily(region12);<a name="line.188"></a>
<span class="sourceLineNo">189</span><a name="line.189"></a>
<span class="sourceLineNo">190</span> TableName tableName2 = TableName.valueOf(name.getMethodName() + "_2");<a name="line.190"></a>
<span class="sourceLineNo">191</span> RegionInfo region21 =<a name="line.191"></a>
<span class="sourceLineNo">192</span> RegionInfoBuilder.newBuilder(tableName2).setEndKey(Bytes.toBytes(1)).build();<a name="line.192"></a>
<span class="sourceLineNo">193</span> addBarrier(region21, 100, 200, 300, 400);<a name="line.193"></a>
<span class="sourceLineNo">194</span> fillCatalogFamily(region21);<a name="line.194"></a>
<span class="sourceLineNo">195</span> RegionInfo region22 =<a name="line.195"></a>
<span class="sourceLineNo">196</span> RegionInfoBuilder.newBuilder(tableName2).setStartKey(Bytes.toBytes(1)).build();<a name="line.196"></a>
<span class="sourceLineNo">197</span> addBarrier(region22, 200, 300, 400, 500, 600);<a name="line.197"></a>
<span class="sourceLineNo">198</span> fillCatalogFamily(region22);<a name="line.198"></a>
<span class="sourceLineNo">199</span><a name="line.199"></a>
<span class="sourceLineNo">200</span> @SuppressWarnings("unchecked")<a name="line.200"></a>
<span class="sourceLineNo">201</span> ReplicationPeerManager peerManager =<a name="line.201"></a>
<span class="sourceLineNo">202</span> create(null, Collections.emptyList(), Collections.emptyList());<a name="line.202"></a>
<span class="sourceLineNo">203</span> ReplicationBarrierCleaner cleaner = create(peerManager);<a name="line.203"></a>
<span class="sourceLineNo">204</span> cleaner.chore();<a name="line.204"></a>
<span class="sourceLineNo">205</span><a name="line.205"></a>
<span class="sourceLineNo">206</span> // should never call this method<a name="line.206"></a>
<span class="sourceLineNo">207</span> verify(peerManager, never()).getQueueStorage();<a name="line.207"></a>
<span class="sourceLineNo">208</span> // should only be called twice although we have 4 regions to clean<a name="line.208"></a>
<span class="sourceLineNo">209</span> verify(peerManager, times(2)).getSerialPeerIdsBelongsTo(any(TableName.class));<a name="line.209"></a>
<span class="sourceLineNo">210</span><a name="line.210"></a>
<span class="sourceLineNo">211</span> assertArrayEquals(new long[] { 60 }, ReplicationBarrierFamilyFormat<a name="line.211"></a>
<span class="sourceLineNo">212</span> .getReplicationBarriers(UTIL.getConnection(), region11.getRegionName()));<a name="line.212"></a>
<span class="sourceLineNo">213</span> assertArrayEquals(new long[] { 70 }, ReplicationBarrierFamilyFormat<a name="line.213"></a>
<span class="sourceLineNo">214</span> .getReplicationBarriers(UTIL.getConnection(), region12.getRegionName()));<a name="line.214"></a>
<span class="sourceLineNo">215</span><a name="line.215"></a>
<span class="sourceLineNo">216</span> assertArrayEquals(new long[] { 400 }, ReplicationBarrierFamilyFormat<a name="line.216"></a>
<span class="sourceLineNo">217</span> .getReplicationBarriers(UTIL.getConnection(), region21.getRegionName()));<a name="line.217"></a>
<span class="sourceLineNo">218</span> assertArrayEquals(new long[] { 600 }, ReplicationBarrierFamilyFormat<a name="line.218"></a>
<span class="sourceLineNo">219</span> .getReplicationBarriers(UTIL.getConnection(), region22.getRegionName()));<a name="line.219"></a>
<span class="sourceLineNo">220</span> }<a name="line.220"></a>
<span class="sourceLineNo">221</span><a name="line.221"></a>
<span class="sourceLineNo">222</span> @Test<a name="line.222"></a>
<span class="sourceLineNo">223</span> public void testDeleteBarriers() throws IOException, ReplicationException {<a name="line.223"></a>
<span class="sourceLineNo">224</span> TableName tableName = TableName.valueOf(name.getMethodName());<a name="line.224"></a>
<span class="sourceLineNo">225</span> RegionInfo region = RegionInfoBuilder.newBuilder(tableName).build();<a name="line.225"></a>
<span class="sourceLineNo">226</span> addBarrier(region, 10, 20, 30, 40, 50, 60);<a name="line.226"></a>
<span class="sourceLineNo">227</span> // two peers<a name="line.227"></a>
<span class="sourceLineNo">228</span> ReplicationQueueStorage queueStorage = create(-1L, 2L, 15L, 25L, 20L, 25L, 65L, 55L, 70L, 70L);<a name="line.228"></a>
<span class="sourceLineNo">229</span> List&lt;String&gt; peerIds = Lists.newArrayList("1", "2");<a name="line.229"></a>
<span class="sourceLineNo">230</span><a name="line.230"></a>
<span class="sourceLineNo">231</span> @SuppressWarnings("unchecked")<a name="line.231"></a>
<span class="sourceLineNo">232</span> ReplicationPeerManager peerManager =<a name="line.232"></a>
<span class="sourceLineNo">233</span> create(queueStorage, peerIds, peerIds, peerIds, peerIds, peerIds);<a name="line.233"></a>
<span class="sourceLineNo">234</span> ReplicationBarrierCleaner cleaner = create(peerManager);<a name="line.234"></a>
<span class="sourceLineNo">235</span><a name="line.235"></a>
<span class="sourceLineNo">236</span> // beyond the first barrier, no deletion<a name="line.236"></a>
<span class="sourceLineNo">237</span> cleaner.chore();<a name="line.237"></a>
<span class="sourceLineNo">238</span> assertArrayEquals(new long[] { 10, 20, 30, 40, 50, 60 }, ReplicationBarrierFamilyFormat<a name="line.238"></a>
<span class="sourceLineNo">239</span> .getReplicationBarriers(UTIL.getConnection(), region.getRegionName()));<a name="line.239"></a>
<span class="sourceLineNo">240</span><a name="line.240"></a>
<span class="sourceLineNo">241</span> // in the first range, still no deletion<a name="line.241"></a>
<span class="sourceLineNo">242</span> cleaner.chore();<a name="line.242"></a>
<span class="sourceLineNo">243</span> assertArrayEquals(new long[] { 10, 20, 30, 40, 50, 60 }, ReplicationBarrierFamilyFormat<a name="line.243"></a>
<span class="sourceLineNo">244</span> .getReplicationBarriers(UTIL.getConnection(), region.getRegionName()));<a name="line.244"></a>
<span class="sourceLineNo">245</span><a name="line.245"></a>
<span class="sourceLineNo">246</span> // in the second range, 10 is deleted<a name="line.246"></a>
<span class="sourceLineNo">247</span> cleaner.chore();<a name="line.247"></a>
<span class="sourceLineNo">248</span> assertArrayEquals(new long[] { 20, 30, 40, 50, 60 }, ReplicationBarrierFamilyFormat<a name="line.248"></a>
<span class="sourceLineNo">249</span> .getReplicationBarriers(UTIL.getConnection(), region.getRegionName()));<a name="line.249"></a>
<span class="sourceLineNo">250</span><a name="line.250"></a>
<span class="sourceLineNo">251</span> // between 50 and 60, so the barriers before 50 will be deleted<a name="line.251"></a>
<span class="sourceLineNo">252</span> cleaner.chore();<a name="line.252"></a>
<span class="sourceLineNo">253</span> assertArrayEquals(new long[] { 50, 60 }, ReplicationBarrierFamilyFormat<a name="line.253"></a>
<span class="sourceLineNo">254</span> .getReplicationBarriers(UTIL.getConnection(), region.getRegionName()));<a name="line.254"></a>
<span class="sourceLineNo">255</span><a name="line.255"></a>
<span class="sourceLineNo">256</span> // in the last open range, 50 is deleted<a name="line.256"></a>
<span class="sourceLineNo">257</span> cleaner.chore();<a name="line.257"></a>
<span class="sourceLineNo">258</span> assertArrayEquals(new long[] { 60 }, ReplicationBarrierFamilyFormat<a name="line.258"></a>
<span class="sourceLineNo">259</span> .getReplicationBarriers(UTIL.getConnection(), region.getRegionName()));<a name="line.259"></a>
<span class="sourceLineNo">260</span> }<a name="line.260"></a>
<span class="sourceLineNo">261</span><a name="line.261"></a>
<span class="sourceLineNo">262</span> @Test<a name="line.262"></a>
<span class="sourceLineNo">263</span> public void testDeleteRowForDeletedRegion() throws IOException, ReplicationException {<a name="line.263"></a>
<span class="sourceLineNo">264</span> TableName tableName = TableName.valueOf(name.getMethodName());<a name="line.264"></a>
<span class="sourceLineNo">265</span> RegionInfo region = RegionInfoBuilder.newBuilder(tableName).build();<a name="line.265"></a>
<span class="sourceLineNo">266</span> addBarrier(region, 40, 50, 60);<a name="line.266"></a>
<span class="sourceLineNo">267</span> fillCatalogFamily(region);<a name="line.267"></a>
<span class="sourceLineNo">268</span><a name="line.268"></a>
<span class="sourceLineNo">269</span> String peerId = "1";<a name="line.269"></a>
<span class="sourceLineNo">270</span> ReplicationQueueStorage queueStorage = create(59L);<a name="line.270"></a>
<span class="sourceLineNo">271</span> @SuppressWarnings("unchecked")<a name="line.271"></a>
<span class="sourceLineNo">272</span> ReplicationPeerManager peerManager = create(queueStorage, Lists.newArrayList(peerId));<a name="line.272"></a>
<span class="sourceLineNo">273</span> ReplicationBarrierCleaner cleaner = create(peerManager);<a name="line.273"></a>
<span class="sourceLineNo">274</span><a name="line.274"></a>
<span class="sourceLineNo">275</span> // we have something in catalog family, so only delete 40<a name="line.275"></a>
<span class="sourceLineNo">276</span> cleaner.chore();<a name="line.276"></a>
<span class="sourceLineNo">277</span> assertArrayEquals(new long[] { 50, 60 }, ReplicationBarrierFamilyFormat<a name="line.277"></a>
<span class="sourceLineNo">278</span> .getReplicationBarriers(UTIL.getConnection(), region.getRegionName()));<a name="line.278"></a>
<span class="sourceLineNo">279</span> verify(queueStorage, never()).removeLastSequenceIds(anyString(), anyList());<a name="line.279"></a>
<span class="sourceLineNo">280</span><a name="line.280"></a>
<span class="sourceLineNo">281</span> // No catalog family, then we should remove the whole row<a name="line.281"></a>
<span class="sourceLineNo">282</span> clearCatalogFamily(region);<a name="line.282"></a>
<span class="sourceLineNo">283</span> cleaner.chore();<a name="line.283"></a>
<span class="sourceLineNo">284</span> try (Table table = UTIL.getConnection().getTable(TableName.META_TABLE_NAME)) {<a name="line.284"></a>
<span class="sourceLineNo">285</span> assertFalse(table<a name="line.285"></a>
<span class="sourceLineNo">286</span> .exists(new Get(region.getRegionName()).addFamily(HConstants.REPLICATION_BARRIER_FAMILY)));<a name="line.286"></a>
<span class="sourceLineNo">287</span> }<a name="line.287"></a>
<span class="sourceLineNo">288</span> verify(queueStorage, times(1)).removeLastSequenceIds(peerId,<a name="line.288"></a>
<span class="sourceLineNo">289</span> Arrays.asList(region.getEncodedName()));<a name="line.289"></a>
<span class="sourceLineNo">290</span> }<a name="line.290"></a>
<span class="sourceLineNo">291</span><a name="line.291"></a>
<span class="sourceLineNo">292</span> @Test<a name="line.292"></a>
<span class="sourceLineNo">293</span> public void testDeleteRowForDeletedRegionNoPeers() throws IOException {<a name="line.293"></a>
<span class="sourceLineNo">294</span> TableName tableName = TableName.valueOf(name.getMethodName());<a name="line.294"></a>
<span class="sourceLineNo">295</span> RegionInfo region = RegionInfoBuilder.newBuilder(tableName).build();<a name="line.295"></a>
<span class="sourceLineNo">296</span> addBarrier(region, 40, 50, 60);<a name="line.296"></a>
<span class="sourceLineNo">297</span><a name="line.297"></a>
<span class="sourceLineNo">298</span> ReplicationPeerManager peerManager = mock(ReplicationPeerManager.class);<a name="line.298"></a>
<span class="sourceLineNo">299</span> ReplicationBarrierCleaner cleaner = create(peerManager);<a name="line.299"></a>
<span class="sourceLineNo">300</span> cleaner.chore();<a name="line.300"></a>
<span class="sourceLineNo">301</span><a name="line.301"></a>
<span class="sourceLineNo">302</span> verify(peerManager, times(1)).getSerialPeerIdsBelongsTo(tableName);<a name="line.302"></a>
<span class="sourceLineNo">303</span> // There are no peers, and no catalog family for this region either, so we should remove the<a name="line.303"></a>
<span class="sourceLineNo">304</span> // barriers. And since there is no catalog family, after we delete the barrier family, the whole<a name="line.304"></a>
<span class="sourceLineNo">305</span> // row is deleted.<a name="line.305"></a>
<span class="sourceLineNo">306</span> try (Table table = UTIL.getConnection().getTable(TableName.META_TABLE_NAME)) {<a name="line.306"></a>
<span class="sourceLineNo">307</span> assertFalse(table.exists(new Get(region.getRegionName())));<a name="line.307"></a>
<span class="sourceLineNo">308</span> }<a name="line.308"></a>
<span class="sourceLineNo">309</span> }<a name="line.309"></a>
<span class="sourceLineNo">310</span><a name="line.310"></a>
<span class="sourceLineNo">311</span> private static class WarnOnlyStoppable implements Stoppable {<a name="line.311"></a>
<span class="sourceLineNo">312</span> @Override<a name="line.312"></a>
<span class="sourceLineNo">313</span> public void stop(String why) {<a name="line.313"></a>
<span class="sourceLineNo">314</span> LOG.warn("TestReplicationBarrierCleaner received stop, ignoring. Reason: " + why);<a name="line.314"></a>
<span class="sourceLineNo">315</span> }<a name="line.315"></a>
<span class="sourceLineNo">316</span><a name="line.316"></a>
<span class="sourceLineNo">317</span> @Override<a name="line.317"></a>
<span class="sourceLineNo">318</span> public boolean isStopped() {<a name="line.318"></a>
<span class="sourceLineNo">319</span> return false;<a name="line.319"></a>
<span class="sourceLineNo">320</span> }<a name="line.320"></a>
<span class="sourceLineNo">321</span> }<a name="line.321"></a>
<span class="sourceLineNo">322</span>}<a name="line.322"></a>
</pre>
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