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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.replication;<a name="line.18"></a> |
| <span class="sourceLineNo">019</span><a name="line.19"></a> |
| <span class="sourceLineNo">020</span>import java.io.ByteArrayOutputStream;<a name="line.20"></a> |
| <span class="sourceLineNo">021</span>import java.io.IOException;<a name="line.21"></a> |
| <span class="sourceLineNo">022</span>import java.util.ArrayList;<a name="line.22"></a> |
| <span class="sourceLineNo">023</span>import java.util.Arrays;<a name="line.23"></a> |
| <span class="sourceLineNo">024</span>import java.util.Collections;<a name="line.24"></a> |
| <span class="sourceLineNo">025</span>import java.util.Iterator;<a name="line.25"></a> |
| <span class="sourceLineNo">026</span>import java.util.List;<a name="line.26"></a> |
| <span class="sourceLineNo">027</span>import java.util.stream.Collectors;<a name="line.27"></a> |
| <span class="sourceLineNo">028</span>import org.apache.hadoop.hbase.Cell;<a name="line.28"></a> |
| <span class="sourceLineNo">029</span>import org.apache.hadoop.hbase.Cell.Type;<a name="line.29"></a> |
| <span class="sourceLineNo">030</span>import org.apache.hadoop.hbase.CellBuilderFactory;<a name="line.30"></a> |
| <span class="sourceLineNo">031</span>import org.apache.hadoop.hbase.CellBuilderType;<a name="line.31"></a> |
| <span class="sourceLineNo">032</span>import org.apache.hadoop.hbase.ClientMetaTableAccessor;<a name="line.32"></a> |
| <span class="sourceLineNo">033</span>import org.apache.hadoop.hbase.ClientMetaTableAccessor.QueryType;<a name="line.33"></a> |
| <span class="sourceLineNo">034</span>import org.apache.hadoop.hbase.HConstants;<a name="line.34"></a> |
| <span class="sourceLineNo">035</span>import org.apache.hadoop.hbase.MetaTableAccessor;<a name="line.35"></a> |
| <span class="sourceLineNo">036</span>import org.apache.hadoop.hbase.TableName;<a name="line.36"></a> |
| <span class="sourceLineNo">037</span>import org.apache.hadoop.hbase.client.Connection;<a name="line.37"></a> |
| <span class="sourceLineNo">038</span>import org.apache.hadoop.hbase.client.Get;<a name="line.38"></a> |
| <span class="sourceLineNo">039</span>import org.apache.hadoop.hbase.client.Put;<a name="line.39"></a> |
| <span class="sourceLineNo">040</span>import org.apache.hadoop.hbase.client.RegionInfo;<a name="line.40"></a> |
| <span class="sourceLineNo">041</span>import org.apache.hadoop.hbase.client.Result;<a name="line.41"></a> |
| <span class="sourceLineNo">042</span>import org.apache.hadoop.hbase.client.ResultScanner;<a name="line.42"></a> |
| <span class="sourceLineNo">043</span>import org.apache.hadoop.hbase.client.Scan;<a name="line.43"></a> |
| <span class="sourceLineNo">044</span>import org.apache.hadoop.hbase.client.Table;<a name="line.44"></a> |
| <span class="sourceLineNo">045</span>import org.apache.hadoop.hbase.filter.FirstKeyOnlyFilter;<a name="line.45"></a> |
| <span class="sourceLineNo">046</span>import org.apache.hadoop.hbase.master.RegionState;<a name="line.46"></a> |
| <span class="sourceLineNo">047</span>import org.apache.hadoop.hbase.master.RegionState.State;<a name="line.47"></a> |
| <span class="sourceLineNo">048</span>import org.apache.hadoop.hbase.util.Bytes;<a name="line.48"></a> |
| <span class="sourceLineNo">049</span>import org.apache.hadoop.hbase.util.Pair;<a name="line.49"></a> |
| <span class="sourceLineNo">050</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.50"></a> |
| <span class="sourceLineNo">051</span><a name="line.51"></a> |
| <span class="sourceLineNo">052</span>import org.apache.hbase.thirdparty.com.google.common.annotations.VisibleForTesting;<a name="line.52"></a> |
| <span class="sourceLineNo">053</span><a name="line.53"></a> |
| <span class="sourceLineNo">054</span>/**<a name="line.54"></a> |
| <span class="sourceLineNo">055</span> * Helper class for storing replication barriers in family 'rep_barrier' of meta table.<a name="line.55"></a> |
| <span class="sourceLineNo">056</span> * <p/><a name="line.56"></a> |
| <span class="sourceLineNo">057</span> * See SerialReplicationChecker on how to make use of the barriers.<a name="line.57"></a> |
| <span class="sourceLineNo">058</span> */<a name="line.58"></a> |
| <span class="sourceLineNo">059</span>@InterfaceAudience.Private<a name="line.59"></a> |
| <span class="sourceLineNo">060</span>public final class ReplicationBarrierFamilyFormat {<a name="line.60"></a> |
| <span class="sourceLineNo">061</span><a name="line.61"></a> |
| <span class="sourceLineNo">062</span> @VisibleForTesting<a name="line.62"></a> |
| <span class="sourceLineNo">063</span> public static final byte[] REPLICATION_PARENT_QUALIFIER = Bytes.toBytes("parent");<a name="line.63"></a> |
| <span class="sourceLineNo">064</span><a name="line.64"></a> |
| <span class="sourceLineNo">065</span> private static final byte ESCAPE_BYTE = (byte) 0xFF;<a name="line.65"></a> |
| <span class="sourceLineNo">066</span><a name="line.66"></a> |
| <span class="sourceLineNo">067</span> private static final byte SEPARATED_BYTE = 0x00;<a name="line.67"></a> |
| <span class="sourceLineNo">068</span><a name="line.68"></a> |
| <span class="sourceLineNo">069</span> private ReplicationBarrierFamilyFormat() {<a name="line.69"></a> |
| <span class="sourceLineNo">070</span> }<a name="line.70"></a> |
| <span class="sourceLineNo">071</span><a name="line.71"></a> |
| <span class="sourceLineNo">072</span> public static void addReplicationBarrier(Put put, long openSeqNum) throws IOException {<a name="line.72"></a> |
| <span class="sourceLineNo">073</span> put.add(CellBuilderFactory.create(CellBuilderType.SHALLOW_COPY).setRow(put.getRow())<a name="line.73"></a> |
| <span class="sourceLineNo">074</span> .setFamily(HConstants.REPLICATION_BARRIER_FAMILY).setQualifier(HConstants.SEQNUM_QUALIFIER)<a name="line.74"></a> |
| <span class="sourceLineNo">075</span> .setTimestamp(put.getTimestamp()).setType(Type.Put).setValue(Bytes.toBytes(openSeqNum))<a name="line.75"></a> |
| <span class="sourceLineNo">076</span> .build());<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> private static void writeRegionName(ByteArrayOutputStream out, byte[] regionName) {<a name="line.79"></a> |
| <span class="sourceLineNo">080</span> for (byte b : regionName) {<a name="line.80"></a> |
| <span class="sourceLineNo">081</span> if (b == ESCAPE_BYTE) {<a name="line.81"></a> |
| <span class="sourceLineNo">082</span> out.write(ESCAPE_BYTE);<a name="line.82"></a> |
| <span class="sourceLineNo">083</span> }<a name="line.83"></a> |
| <span class="sourceLineNo">084</span> out.write(b);<a name="line.84"></a> |
| <span class="sourceLineNo">085</span> }<a name="line.85"></a> |
| <span class="sourceLineNo">086</span> }<a name="line.86"></a> |
| <span class="sourceLineNo">087</span><a name="line.87"></a> |
| <span class="sourceLineNo">088</span> @VisibleForTesting<a name="line.88"></a> |
| <span class="sourceLineNo">089</span> public static byte[] getParentsBytes(List<RegionInfo> parents) {<a name="line.89"></a> |
| <span class="sourceLineNo">090</span> ByteArrayOutputStream bos = new ByteArrayOutputStream();<a name="line.90"></a> |
| <span class="sourceLineNo">091</span> Iterator<RegionInfo> iter = parents.iterator();<a name="line.91"></a> |
| <span class="sourceLineNo">092</span> writeRegionName(bos, iter.next().getRegionName());<a name="line.92"></a> |
| <span class="sourceLineNo">093</span> while (iter.hasNext()) {<a name="line.93"></a> |
| <span class="sourceLineNo">094</span> bos.write(ESCAPE_BYTE);<a name="line.94"></a> |
| <span class="sourceLineNo">095</span> bos.write(SEPARATED_BYTE);<a name="line.95"></a> |
| <span class="sourceLineNo">096</span> writeRegionName(bos, iter.next().getRegionName());<a name="line.96"></a> |
| <span class="sourceLineNo">097</span> }<a name="line.97"></a> |
| <span class="sourceLineNo">098</span> return bos.toByteArray();<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> private static List<byte[]> parseParentsBytes(byte[] bytes) {<a name="line.101"></a> |
| <span class="sourceLineNo">102</span> List<byte[]> parents = new ArrayList<>();<a name="line.102"></a> |
| <span class="sourceLineNo">103</span> ByteArrayOutputStream bos = new ByteArrayOutputStream();<a name="line.103"></a> |
| <span class="sourceLineNo">104</span> for (int i = 0; i < bytes.length; i++) {<a name="line.104"></a> |
| <span class="sourceLineNo">105</span> if (bytes[i] == ESCAPE_BYTE) {<a name="line.105"></a> |
| <span class="sourceLineNo">106</span> i++;<a name="line.106"></a> |
| <span class="sourceLineNo">107</span> if (bytes[i] == SEPARATED_BYTE) {<a name="line.107"></a> |
| <span class="sourceLineNo">108</span> parents.add(bos.toByteArray());<a name="line.108"></a> |
| <span class="sourceLineNo">109</span> bos.reset();<a name="line.109"></a> |
| <span class="sourceLineNo">110</span> continue;<a name="line.110"></a> |
| <span class="sourceLineNo">111</span> }<a name="line.111"></a> |
| <span class="sourceLineNo">112</span> // fall through to append the byte<a name="line.112"></a> |
| <span class="sourceLineNo">113</span> }<a name="line.113"></a> |
| <span class="sourceLineNo">114</span> bos.write(bytes[i]);<a name="line.114"></a> |
| <span class="sourceLineNo">115</span> }<a name="line.115"></a> |
| <span class="sourceLineNo">116</span> if (bos.size() > 0) {<a name="line.116"></a> |
| <span class="sourceLineNo">117</span> parents.add(bos.toByteArray());<a name="line.117"></a> |
| <span class="sourceLineNo">118</span> }<a name="line.118"></a> |
| <span class="sourceLineNo">119</span> return parents;<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> public static void addReplicationParent(Put put, List<RegionInfo> parents) throws IOException {<a name="line.122"></a> |
| <span class="sourceLineNo">123</span> byte[] value = getParentsBytes(parents);<a name="line.123"></a> |
| <span class="sourceLineNo">124</span> put.add(CellBuilderFactory.create(CellBuilderType.SHALLOW_COPY).setRow(put.getRow())<a name="line.124"></a> |
| <span class="sourceLineNo">125</span> .setFamily(HConstants.REPLICATION_BARRIER_FAMILY).setQualifier(REPLICATION_PARENT_QUALIFIER)<a name="line.125"></a> |
| <span class="sourceLineNo">126</span> .setTimestamp(put.getTimestamp()).setType(Type.Put).setValue(value).build());<a name="line.126"></a> |
| <span class="sourceLineNo">127</span> }<a name="line.127"></a> |
| <span class="sourceLineNo">128</span><a name="line.128"></a> |
| <span class="sourceLineNo">129</span> public static Put makePutForReplicationBarrier(RegionInfo regionInfo, long openSeqNum, long ts)<a name="line.129"></a> |
| <span class="sourceLineNo">130</span> throws IOException {<a name="line.130"></a> |
| <span class="sourceLineNo">131</span> Put put = new Put(regionInfo.getRegionName(), ts);<a name="line.131"></a> |
| <span class="sourceLineNo">132</span> addReplicationBarrier(put, openSeqNum);<a name="line.132"></a> |
| <span class="sourceLineNo">133</span> return put;<a name="line.133"></a> |
| <span class="sourceLineNo">134</span> }<a name="line.134"></a> |
| <span class="sourceLineNo">135</span><a name="line.135"></a> |
| <span class="sourceLineNo">136</span> public static final class ReplicationBarrierResult {<a name="line.136"></a> |
| <span class="sourceLineNo">137</span> private final long[] barriers;<a name="line.137"></a> |
| <span class="sourceLineNo">138</span> private final RegionState.State state;<a name="line.138"></a> |
| <span class="sourceLineNo">139</span> private final List<byte[]> parentRegionNames;<a name="line.139"></a> |
| <span class="sourceLineNo">140</span><a name="line.140"></a> |
| <span class="sourceLineNo">141</span> ReplicationBarrierResult(long[] barriers, State state, List<byte[]> parentRegionNames) {<a name="line.141"></a> |
| <span class="sourceLineNo">142</span> this.barriers = barriers;<a name="line.142"></a> |
| <span class="sourceLineNo">143</span> this.state = state;<a name="line.143"></a> |
| <span class="sourceLineNo">144</span> this.parentRegionNames = parentRegionNames;<a name="line.144"></a> |
| <span class="sourceLineNo">145</span> }<a name="line.145"></a> |
| <span class="sourceLineNo">146</span><a name="line.146"></a> |
| <span class="sourceLineNo">147</span> public long[] getBarriers() {<a name="line.147"></a> |
| <span class="sourceLineNo">148</span> return barriers;<a name="line.148"></a> |
| <span class="sourceLineNo">149</span> }<a name="line.149"></a> |
| <span class="sourceLineNo">150</span><a name="line.150"></a> |
| <span class="sourceLineNo">151</span> public RegionState.State getState() {<a name="line.151"></a> |
| <span class="sourceLineNo">152</span> return state;<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> public List<byte[]> getParentRegionNames() {<a name="line.155"></a> |
| <span class="sourceLineNo">156</span> return parentRegionNames;<a name="line.156"></a> |
| <span class="sourceLineNo">157</span> }<a name="line.157"></a> |
| <span class="sourceLineNo">158</span><a name="line.158"></a> |
| <span class="sourceLineNo">159</span> @Override<a name="line.159"></a> |
| <span class="sourceLineNo">160</span> public String toString() {<a name="line.160"></a> |
| <span class="sourceLineNo">161</span> return "ReplicationBarrierResult [barriers=" + Arrays.toString(barriers) + ", state=" +<a name="line.161"></a> |
| <span class="sourceLineNo">162</span> state + ", parentRegionNames=" +<a name="line.162"></a> |
| <span class="sourceLineNo">163</span> parentRegionNames.stream().map(Bytes::toStringBinary).collect(Collectors.joining(", ")) +<a name="line.163"></a> |
| <span class="sourceLineNo">164</span> "]";<a name="line.164"></a> |
| <span class="sourceLineNo">165</span> }<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> private static long getReplicationBarrier(Cell c) {<a name="line.168"></a> |
| <span class="sourceLineNo">169</span> return Bytes.toLong(c.getValueArray(), c.getValueOffset(), c.getValueLength());<a name="line.169"></a> |
| <span class="sourceLineNo">170</span> }<a name="line.170"></a> |
| <span class="sourceLineNo">171</span><a name="line.171"></a> |
| <span class="sourceLineNo">172</span> public static long[] getReplicationBarriers(Result result) {<a name="line.172"></a> |
| <span class="sourceLineNo">173</span> return result.getColumnCells(HConstants.REPLICATION_BARRIER_FAMILY, HConstants.SEQNUM_QUALIFIER)<a name="line.173"></a> |
| <span class="sourceLineNo">174</span> .stream().mapToLong(ReplicationBarrierFamilyFormat::getReplicationBarrier).sorted().distinct()<a name="line.174"></a> |
| <span class="sourceLineNo">175</span> .toArray();<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> private static ReplicationBarrierResult getReplicationBarrierResult(Result result) {<a name="line.178"></a> |
| <span class="sourceLineNo">179</span> long[] barriers = getReplicationBarriers(result);<a name="line.179"></a> |
| <span class="sourceLineNo">180</span> byte[] stateBytes = result.getValue(HConstants.CATALOG_FAMILY, HConstants.STATE_QUALIFIER);<a name="line.180"></a> |
| <span class="sourceLineNo">181</span> RegionState.State state =<a name="line.181"></a> |
| <span class="sourceLineNo">182</span> stateBytes != null ? RegionState.State.valueOf(Bytes.toString(stateBytes)) : null;<a name="line.182"></a> |
| <span class="sourceLineNo">183</span> byte[] parentRegionsBytes =<a name="line.183"></a> |
| <span class="sourceLineNo">184</span> result.getValue(HConstants.REPLICATION_BARRIER_FAMILY, REPLICATION_PARENT_QUALIFIER);<a name="line.184"></a> |
| <span class="sourceLineNo">185</span> List<byte[]> parentRegionNames =<a name="line.185"></a> |
| <span class="sourceLineNo">186</span> parentRegionsBytes != null ? parseParentsBytes(parentRegionsBytes) : Collections.emptyList();<a name="line.186"></a> |
| <span class="sourceLineNo">187</span> return new ReplicationBarrierResult(barriers, state, parentRegionNames);<a name="line.187"></a> |
| <span class="sourceLineNo">188</span> }<a name="line.188"></a> |
| <span class="sourceLineNo">189</span><a name="line.189"></a> |
| <span class="sourceLineNo">190</span> public static ReplicationBarrierResult getReplicationBarrierResult(Connection conn,<a name="line.190"></a> |
| <span class="sourceLineNo">191</span> TableName tableName, byte[] row, byte[] encodedRegionName) throws IOException {<a name="line.191"></a> |
| <span class="sourceLineNo">192</span> byte[] metaStartKey = RegionInfo.createRegionName(tableName, row, HConstants.NINES, false);<a name="line.192"></a> |
| <span class="sourceLineNo">193</span> byte[] metaStopKey =<a name="line.193"></a> |
| <span class="sourceLineNo">194</span> RegionInfo.createRegionName(tableName, HConstants.EMPTY_START_ROW, "", false);<a name="line.194"></a> |
| <span class="sourceLineNo">195</span> Scan scan = new Scan().withStartRow(metaStartKey).withStopRow(metaStopKey)<a name="line.195"></a> |
| <span class="sourceLineNo">196</span> .addColumn(HConstants.CATALOG_FAMILY, HConstants.STATE_QUALIFIER)<a name="line.196"></a> |
| <span class="sourceLineNo">197</span> .addFamily(HConstants.REPLICATION_BARRIER_FAMILY).readAllVersions().setReversed(true)<a name="line.197"></a> |
| <span class="sourceLineNo">198</span> .setCaching(10);<a name="line.198"></a> |
| <span class="sourceLineNo">199</span> try (Table table = conn.getTable(TableName.META_TABLE_NAME);<a name="line.199"></a> |
| <span class="sourceLineNo">200</span> ResultScanner scanner = table.getScanner(scan)) {<a name="line.200"></a> |
| <span class="sourceLineNo">201</span> for (Result result;;) {<a name="line.201"></a> |
| <span class="sourceLineNo">202</span> result = scanner.next();<a name="line.202"></a> |
| <span class="sourceLineNo">203</span> if (result == null) {<a name="line.203"></a> |
| <span class="sourceLineNo">204</span> return new ReplicationBarrierResult(new long[0], null, Collections.emptyList());<a name="line.204"></a> |
| <span class="sourceLineNo">205</span> }<a name="line.205"></a> |
| <span class="sourceLineNo">206</span> byte[] regionName = result.getRow();<a name="line.206"></a> |
| <span class="sourceLineNo">207</span> // TODO: we may look up a region which has already been split or merged so we need to check<a name="line.207"></a> |
| <span class="sourceLineNo">208</span> // whether the encoded name matches. Need to find a way to quit earlier when there is no<a name="line.208"></a> |
| <span class="sourceLineNo">209</span> // record for the given region, for now it will scan to the end of the table.<a name="line.209"></a> |
| <span class="sourceLineNo">210</span> if (!Bytes.equals(encodedRegionName,<a name="line.210"></a> |
| <span class="sourceLineNo">211</span> Bytes.toBytes(RegionInfo.encodeRegionName(regionName)))) {<a name="line.211"></a> |
| <span class="sourceLineNo">212</span> continue;<a name="line.212"></a> |
| <span class="sourceLineNo">213</span> }<a name="line.213"></a> |
| <span class="sourceLineNo">214</span> return getReplicationBarrierResult(result);<a name="line.214"></a> |
| <span class="sourceLineNo">215</span> }<a name="line.215"></a> |
| <span class="sourceLineNo">216</span> }<a name="line.216"></a> |
| <span class="sourceLineNo">217</span> }<a name="line.217"></a> |
| <span class="sourceLineNo">218</span><a name="line.218"></a> |
| <span class="sourceLineNo">219</span> public static long[] getReplicationBarriers(Connection conn, byte[] regionName)<a name="line.219"></a> |
| <span class="sourceLineNo">220</span> throws IOException {<a name="line.220"></a> |
| <span class="sourceLineNo">221</span> try (Table table = conn.getTable(TableName.META_TABLE_NAME)) {<a name="line.221"></a> |
| <span class="sourceLineNo">222</span> Result result = table.get(new Get(regionName)<a name="line.222"></a> |
| <span class="sourceLineNo">223</span> .addColumn(HConstants.REPLICATION_BARRIER_FAMILY, HConstants.SEQNUM_QUALIFIER)<a name="line.223"></a> |
| <span class="sourceLineNo">224</span> .readAllVersions());<a name="line.224"></a> |
| <span class="sourceLineNo">225</span> return getReplicationBarriers(result);<a name="line.225"></a> |
| <span class="sourceLineNo">226</span> }<a name="line.226"></a> |
| <span class="sourceLineNo">227</span> }<a name="line.227"></a> |
| <span class="sourceLineNo">228</span><a name="line.228"></a> |
| <span class="sourceLineNo">229</span> public static List<Pair<String, Long>> getTableEncodedRegionNameAndLastBarrier(Connection conn,<a name="line.229"></a> |
| <span class="sourceLineNo">230</span> TableName tableName) throws IOException {<a name="line.230"></a> |
| <span class="sourceLineNo">231</span> List<Pair<String, Long>> list = new ArrayList<>();<a name="line.231"></a> |
| <span class="sourceLineNo">232</span> MetaTableAccessor.scanMeta(conn,<a name="line.232"></a> |
| <span class="sourceLineNo">233</span> ClientMetaTableAccessor.getTableStartRowForMeta(tableName, QueryType.REPLICATION),<a name="line.233"></a> |
| <span class="sourceLineNo">234</span> ClientMetaTableAccessor.getTableStopRowForMeta(tableName, QueryType.REPLICATION),<a name="line.234"></a> |
| <span class="sourceLineNo">235</span> QueryType.REPLICATION, r -> {<a name="line.235"></a> |
| <span class="sourceLineNo">236</span> byte[] value =<a name="line.236"></a> |
| <span class="sourceLineNo">237</span> r.getValue(HConstants.REPLICATION_BARRIER_FAMILY, HConstants.SEQNUM_QUALIFIER);<a name="line.237"></a> |
| <span class="sourceLineNo">238</span> if (value == null) {<a name="line.238"></a> |
| <span class="sourceLineNo">239</span> return true;<a name="line.239"></a> |
| <span class="sourceLineNo">240</span> }<a name="line.240"></a> |
| <span class="sourceLineNo">241</span> long lastBarrier = Bytes.toLong(value);<a name="line.241"></a> |
| <span class="sourceLineNo">242</span> String encodedRegionName = RegionInfo.encodeRegionName(r.getRow());<a name="line.242"></a> |
| <span class="sourceLineNo">243</span> list.add(Pair.newPair(encodedRegionName, lastBarrier));<a name="line.243"></a> |
| <span class="sourceLineNo">244</span> return true;<a name="line.244"></a> |
| <span class="sourceLineNo">245</span> });<a name="line.245"></a> |
| <span class="sourceLineNo">246</span> return list;<a name="line.246"></a> |
| <span class="sourceLineNo">247</span> }<a name="line.247"></a> |
| <span class="sourceLineNo">248</span><a name="line.248"></a> |
| <span class="sourceLineNo">249</span> public static List<String> getTableEncodedRegionNamesForSerialReplication(Connection conn,<a name="line.249"></a> |
| <span class="sourceLineNo">250</span> TableName tableName) throws IOException {<a name="line.250"></a> |
| <span class="sourceLineNo">251</span> List<String> list = new ArrayList<>();<a name="line.251"></a> |
| <span class="sourceLineNo">252</span> MetaTableAccessor.scanMeta(conn,<a name="line.252"></a> |
| <span class="sourceLineNo">253</span> ClientMetaTableAccessor.getTableStartRowForMeta(tableName, QueryType.REPLICATION),<a name="line.253"></a> |
| <span class="sourceLineNo">254</span> ClientMetaTableAccessor.getTableStopRowForMeta(tableName, QueryType.REPLICATION),<a name="line.254"></a> |
| <span class="sourceLineNo">255</span> QueryType.REPLICATION, new FirstKeyOnlyFilter(), Integer.MAX_VALUE, r -> {<a name="line.255"></a> |
| <span class="sourceLineNo">256</span> list.add(RegionInfo.encodeRegionName(r.getRow()));<a name="line.256"></a> |
| <span class="sourceLineNo">257</span> return true;<a name="line.257"></a> |
| <span class="sourceLineNo">258</span> });<a name="line.258"></a> |
| <span class="sourceLineNo">259</span> return list;<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> |
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| </pre> |
| </div> |
| </body> |
| </html> |
