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+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
"http://www.w3.org/TR/html4/loose.dtd">
+<html lang="en">
+<head>
+<title>Source code</title>
+<link rel="stylesheet" type="text/css" href="../../../../../../stylesheet.css"
title="Style">
+</head>
+<body>
+<div class="sourceContainer">
+<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,<a name="line.12"></a>
+<span class="sourceLineNo">013</span> * software distributed under the License
is distributed on an<a name="line.13"></a>
+<span class="sourceLineNo">014</span> * "AS IS" BASIS, WITHOUT WARRANTIES OR
CONDITIONS OF ANY<a name="line.14"></a>
+<span class="sourceLineNo">015</span> * KIND, either express or implied. See
the License for the<a name="line.15"></a>
+<span class="sourceLineNo">016</span> * specific language governing
permissions and limitations<a name="line.16"></a>
+<span class="sourceLineNo">017</span> * under the License.<a
name="line.17"></a>
+<span class="sourceLineNo">018</span> */<a name="line.18"></a>
+<span class="sourceLineNo">019</span>package
org.apache.hadoop.hbase.coprocessor;<a name="line.19"></a>
+<span class="sourceLineNo">020</span><a name="line.20"></a>
+<span class="sourceLineNo">021</span>import com.google.protobuf.RpcCallback;<a
name="line.21"></a>
+<span class="sourceLineNo">022</span>import
com.google.protobuf.RpcController;<a name="line.22"></a>
+<span class="sourceLineNo">023</span>import com.google.protobuf.Service;<a
name="line.23"></a>
+<span class="sourceLineNo">024</span>import java.io.Closeable;<a
name="line.24"></a>
+<span class="sourceLineNo">025</span>import java.io.IOException;<a
name="line.25"></a>
+<span class="sourceLineNo">026</span>import
java.security.PrivilegedExceptionAction;<a name="line.26"></a>
+<span class="sourceLineNo">027</span>import java.util.ArrayList;<a
name="line.27"></a>
+<span class="sourceLineNo">028</span>import java.util.LinkedList;<a
name="line.28"></a>
+<span class="sourceLineNo">029</span>import java.util.List;<a
name="line.29"></a>
+<span class="sourceLineNo">030</span>import java.util.Map;<a
name="line.30"></a>
+<span class="sourceLineNo">031</span>import java.util.TreeMap;<a
name="line.31"></a>
+<span class="sourceLineNo">032</span>import org.apache.commons.logging.Log;<a
name="line.32"></a>
+<span class="sourceLineNo">033</span>import
org.apache.commons.logging.LogFactory;<a name="line.33"></a>
+<span class="sourceLineNo">034</span>import
org.apache.hadoop.conf.Configuration;<a name="line.34"></a>
+<span class="sourceLineNo">035</span>import org.apache.hadoop.fs.FileSystem;<a
name="line.35"></a>
+<span class="sourceLineNo">036</span>import org.apache.hadoop.fs.Path;<a
name="line.36"></a>
+<span class="sourceLineNo">037</span>import org.apache.hadoop.hbase.Cell;<a
name="line.37"></a>
+<span class="sourceLineNo">038</span>import
org.apache.hadoop.hbase.Coprocessor;<a name="line.38"></a>
+<span class="sourceLineNo">039</span>import
org.apache.hadoop.hbase.CoprocessorEnvironment;<a name="line.39"></a>
+<span class="sourceLineNo">040</span>import
org.apache.hadoop.hbase.HBaseConfiguration;<a name="line.40"></a>
+<span class="sourceLineNo">041</span>import
org.apache.hadoop.hbase.HBaseInterfaceAudience;<a name="line.41"></a>
+<span class="sourceLineNo">042</span>import
org.apache.hadoop.hbase.HRegionInfo;<a name="line.42"></a>
+<span class="sourceLineNo">043</span>import
org.apache.hadoop.hbase.TableName;<a name="line.43"></a>
+<span class="sourceLineNo">044</span>import
org.apache.hadoop.hbase.classification.InterfaceAudience;<a name="line.44"></a>
+<span class="sourceLineNo">045</span>import
org.apache.hadoop.hbase.classification.InterfaceStability;<a name="line.45"></a>
+<span class="sourceLineNo">046</span>import
org.apache.hadoop.hbase.client.Connection;<a name="line.46"></a>
+<span class="sourceLineNo">047</span>import
org.apache.hadoop.hbase.client.ConnectionFactory;<a name="line.47"></a>
+<span class="sourceLineNo">048</span>import
org.apache.hadoop.hbase.client.Result;<a name="line.48"></a>
+<span class="sourceLineNo">049</span>import
org.apache.hadoop.hbase.client.Scan;<a name="line.49"></a>
+<span class="sourceLineNo">050</span>import
org.apache.hadoop.hbase.client.Table;<a name="line.50"></a>
+<span class="sourceLineNo">051</span>import
org.apache.hadoop.hbase.io.ImmutableBytesWritable;<a name="line.51"></a>
+<span class="sourceLineNo">052</span>import
org.apache.hadoop.hbase.ipc.CoprocessorRpcUtils;<a name="line.52"></a>
+<span class="sourceLineNo">053</span>import
org.apache.hadoop.hbase.ipc.RpcServer;<a name="line.53"></a>
+<span class="sourceLineNo">054</span>import
org.apache.hadoop.hbase.ipc.ServerRpcController;<a name="line.54"></a>
+<span class="sourceLineNo">055</span>import
org.apache.hadoop.hbase.mapreduce.ExportUtils;<a name="line.55"></a>
+<span class="sourceLineNo">056</span>import
org.apache.hadoop.hbase.mapreduce.Import;<a name="line.56"></a>
+<span class="sourceLineNo">057</span>import
org.apache.hadoop.hbase.mapreduce.ResultSerialization;<a name="line.57"></a>
+<span class="sourceLineNo">058</span>import
org.apache.hadoop.hbase.protobuf.ProtobufUtil;<a name="line.58"></a>
+<span class="sourceLineNo">059</span>import
org.apache.hadoop.hbase.protobuf.generated.ClientProtos.DelegationToken;<a
name="line.59"></a>
+<span class="sourceLineNo">060</span>import
org.apache.hadoop.hbase.protobuf.generated.ExportProtos;<a name="line.60"></a>
+<span class="sourceLineNo">061</span>import
org.apache.hadoop.hbase.regionserver.InternalScanner;<a name="line.61"></a>
+<span class="sourceLineNo">062</span>import
org.apache.hadoop.hbase.regionserver.Region;<a name="line.62"></a>
+<span class="sourceLineNo">063</span>import
org.apache.hadoop.hbase.regionserver.RegionScanner;<a name="line.63"></a>
+<span class="sourceLineNo">064</span>import
org.apache.hadoop.hbase.security.User;<a name="line.64"></a>
+<span class="sourceLineNo">065</span>import
org.apache.hadoop.hbase.security.UserProvider;<a name="line.65"></a>
+<span class="sourceLineNo">066</span>import
org.apache.hadoop.hbase.security.token.FsDelegationToken;<a name="line.66"></a>
+<span class="sourceLineNo">067</span>import
org.apache.hadoop.hbase.shaded.com.google.common.annotations.VisibleForTesting;<a
name="line.67"></a>
+<span class="sourceLineNo">068</span>import
org.apache.hadoop.hbase.util.ArrayUtils;<a name="line.68"></a>
+<span class="sourceLineNo">069</span>import
org.apache.hadoop.hbase.util.ByteStringer;<a name="line.69"></a>
+<span class="sourceLineNo">070</span>import
org.apache.hadoop.hbase.util.Bytes;<a name="line.70"></a>
+<span class="sourceLineNo">071</span>import
org.apache.hadoop.hbase.util.Triple;<a name="line.71"></a>
+<span class="sourceLineNo">072</span>import
org.apache.hadoop.io.SequenceFile;<a name="line.72"></a>
+<span class="sourceLineNo">073</span>import org.apache.hadoop.io.Text;<a
name="line.73"></a>
+<span class="sourceLineNo">074</span>import
org.apache.hadoop.io.compress.CompressionCodec;<a name="line.74"></a>
+<span class="sourceLineNo">075</span>import
org.apache.hadoop.io.compress.DefaultCodec;<a name="line.75"></a>
+<span class="sourceLineNo">076</span>import
org.apache.hadoop.mapreduce.lib.output.FileOutputFormat;<a name="line.76"></a>
+<span class="sourceLineNo">077</span>import
org.apache.hadoop.security.token.Token;<a name="line.77"></a>
+<span class="sourceLineNo">078</span>import
org.apache.hadoop.util.GenericOptionsParser;<a name="line.78"></a>
+<span class="sourceLineNo">079</span>import
org.apache.hadoop.util.ReflectionUtils;<a name="line.79"></a>
+<span class="sourceLineNo">080</span><a name="line.80"></a>
+<span class="sourceLineNo">081</span>/**<a name="line.81"></a>
+<span class="sourceLineNo">082</span> * Export an HBase table. Writes content
to sequence files up in HDFS. Use<a name="line.82"></a>
+<span class="sourceLineNo">083</span> * {@link Import} to read it back in
again. It is implemented by the endpoint<a name="line.83"></a>
+<span class="sourceLineNo">084</span> * technique.<a name="line.84"></a>
+<span class="sourceLineNo">085</span> *<a name="line.85"></a>
+<span class="sourceLineNo">086</span> * @see
org.apache.hadoop.hbase.mapreduce.Export<a name="line.86"></a>
+<span class="sourceLineNo">087</span> */<a name="line.87"></a>
+<span
class="sourceLineNo">088</span>@InterfaceAudience.LimitedPrivate(HBaseInterfaceAudience.COPROC)<a
name="line.88"></a>
+<span class="sourceLineNo">089</span>@InterfaceStability.Evolving<a
name="line.89"></a>
+<span class="sourceLineNo">090</span>public class Export extends
ExportProtos.ExportService<a name="line.90"></a>
+<span class="sourceLineNo">091</span> implements Coprocessor,
CoprocessorService {<a name="line.91"></a>
+<span class="sourceLineNo">092</span><a name="line.92"></a>
+<span class="sourceLineNo">093</span> private static final Log LOG =
LogFactory.getLog(Export.class);<a name="line.93"></a>
+<span class="sourceLineNo">094</span> private static final Class<? extends
CompressionCodec> DEFAULT_CODEC = DefaultCodec.class;<a name="line.94"></a>
+<span class="sourceLineNo">095</span> private static final
SequenceFile.CompressionType DEFAULT_TYPE =
SequenceFile.CompressionType.RECORD;<a name="line.95"></a>
+<span class="sourceLineNo">096</span> private RegionCoprocessorEnvironment
env = null;<a name="line.96"></a>
+<span class="sourceLineNo">097</span> private UserProvider userProvider;<a
name="line.97"></a>
+<span class="sourceLineNo">098</span><a name="line.98"></a>
+<span class="sourceLineNo">099</span> public static void main(String[] args)
throws Throwable {<a name="line.99"></a>
+<span class="sourceLineNo">100</span> Map<byte[], Response> response
= run(HBaseConfiguration.create(), args);<a name="line.100"></a>
+<span class="sourceLineNo">101</span> System.exit(response == null ? -1 :
0);<a name="line.101"></a>
+<span class="sourceLineNo">102</span> }<a name="line.102"></a>
+<span class="sourceLineNo">103</span><a name="line.103"></a>
+<span class="sourceLineNo">104</span> @VisibleForTesting<a
name="line.104"></a>
+<span class="sourceLineNo">105</span> static Map<byte[], Response>
run(final Configuration conf, final String[] args) throws Throwable {<a
name="line.105"></a>
+<span class="sourceLineNo">106</span> String[] otherArgs = new
GenericOptionsParser(conf, args).getRemainingArgs();<a name="line.106"></a>
+<span class="sourceLineNo">107</span> if
(!ExportUtils.isValidArguements(args)) {<a name="line.107"></a>
+<span class="sourceLineNo">108</span> ExportUtils.usage("Wrong number of
arguments: " + ArrayUtils.length(otherArgs));<a name="line.108"></a>
+<span class="sourceLineNo">109</span> return null;<a name="line.109"></a>
+<span class="sourceLineNo">110</span> }<a name="line.110"></a>
+<span class="sourceLineNo">111</span> Triple<TableName, Scan, Path>
arguments = ExportUtils.getArgumentsFromCommandLine(conf, otherArgs);<a
name="line.111"></a>
+<span class="sourceLineNo">112</span> return run(conf,
arguments.getFirst(), arguments.getSecond(), arguments.getThird());<a
name="line.112"></a>
+<span class="sourceLineNo">113</span> }<a name="line.113"></a>
+<span class="sourceLineNo">114</span><a name="line.114"></a>
+<span class="sourceLineNo">115</span> public static Map<byte[],
Response> run(final Configuration conf, TableName tableName, Scan scan, Path
dir) throws Throwable {<a name="line.115"></a>
+<span class="sourceLineNo">116</span> FileSystem fs =
dir.getFileSystem(conf);<a name="line.116"></a>
+<span class="sourceLineNo">117</span> UserProvider userProvider =
UserProvider.instantiate(conf);<a name="line.117"></a>
+<span class="sourceLineNo">118</span> checkDir(fs, dir);<a
name="line.118"></a>
+<span class="sourceLineNo">119</span> FsDelegationToken fsDelegationToken =
new FsDelegationToken(userProvider, "renewer");<a name="line.119"></a>
+<span class="sourceLineNo">120</span>
fsDelegationToken.acquireDelegationToken(fs);<a name="line.120"></a>
+<span class="sourceLineNo">121</span> try {<a name="line.121"></a>
+<span class="sourceLineNo">122</span> final ExportProtos.ExportRequest
request = getConfiguredRequest(conf, dir,<a name="line.122"></a>
+<span class="sourceLineNo">123</span> scan,
fsDelegationToken.getUserToken());<a name="line.123"></a>
+<span class="sourceLineNo">124</span> try (Connection con =
ConnectionFactory.createConnection(conf);<a name="line.124"></a>
+<span class="sourceLineNo">125</span> Table table =
con.getTable(tableName)) {<a name="line.125"></a>
+<span class="sourceLineNo">126</span> Map<byte[], Response>
result = new TreeMap<>(Bytes.BYTES_COMPARATOR);<a name="line.126"></a>
+<span class="sourceLineNo">127</span>
table.coprocessorService(ExportProtos.ExportService.class,<a
name="line.127"></a>
+<span class="sourceLineNo">128</span> scan.getStartRow(),<a
name="line.128"></a>
+<span class="sourceLineNo">129</span> scan.getStopRow(),<a
name="line.129"></a>
+<span class="sourceLineNo">130</span> (ExportProtos.ExportService
service) -> {<a name="line.130"></a>
+<span class="sourceLineNo">131</span> ServerRpcController
controller = new ServerRpcController();<a name="line.131"></a>
+<span class="sourceLineNo">132</span> Map<byte[],
ExportProtos.ExportResponse> rval = new
TreeMap<>(Bytes.BYTES_COMPARATOR);<a name="line.132"></a>
+<span class="sourceLineNo">133</span>
CoprocessorRpcUtils.BlockingRpcCallback<ExportProtos.ExportResponse><a
name="line.133"></a>
+<span class="sourceLineNo">134</span> rpcCallback = new
CoprocessorRpcUtils.BlockingRpcCallback<>();<a name="line.134"></a>
+<span class="sourceLineNo">135</span> service.export(controller,
request, rpcCallback);<a name="line.135"></a>
+<span class="sourceLineNo">136</span> if
(controller.failedOnException()) {<a name="line.136"></a>
+<span class="sourceLineNo">137</span> throw
controller.getFailedOn();<a name="line.137"></a>
+<span class="sourceLineNo">138</span> }<a name="line.138"></a>
+<span class="sourceLineNo">139</span> return rpcCallback.get();<a
name="line.139"></a>
+<span class="sourceLineNo">140</span> }).forEach((k, v) ->
result.put(k, new Response(v)));<a name="line.140"></a>
+<span class="sourceLineNo">141</span> return result;<a
name="line.141"></a>
+<span class="sourceLineNo">142</span> } catch (Throwable e) {<a
name="line.142"></a>
+<span class="sourceLineNo">143</span> fs.delete(dir, true);<a
name="line.143"></a>
+<span class="sourceLineNo">144</span> throw e;<a name="line.144"></a>
+<span class="sourceLineNo">145</span> }<a name="line.145"></a>
+<span class="sourceLineNo">146</span> } finally {<a name="line.146"></a>
+<span class="sourceLineNo">147</span>
fsDelegationToken.releaseDelegationToken();<a name="line.147"></a>
+<span class="sourceLineNo">148</span> }<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> private static boolean
getCompression(final ExportProtos.ExportRequest request) {<a
name="line.151"></a>
+<span class="sourceLineNo">152</span> if (request.hasCompressed()) {<a
name="line.152"></a>
+<span class="sourceLineNo">153</span> return request.getCompressed();<a
name="line.153"></a>
+<span class="sourceLineNo">154</span> } else {<a name="line.154"></a>
+<span class="sourceLineNo">155</span> return false;<a name="line.155"></a>
+<span class="sourceLineNo">156</span> }<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> private static
SequenceFile.CompressionType getCompressionType(final
ExportProtos.ExportRequest request) {<a name="line.159"></a>
+<span class="sourceLineNo">160</span> if (request.hasCompressType()) {<a
name="line.160"></a>
+<span class="sourceLineNo">161</span> return
SequenceFile.CompressionType.valueOf(request.getCompressType());<a
name="line.161"></a>
+<span class="sourceLineNo">162</span> } else {<a name="line.162"></a>
+<span class="sourceLineNo">163</span> return DEFAULT_TYPE;<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> private static CompressionCodec
getCompressionCodec(final Configuration conf, final ExportProtos.ExportRequest
request) {<a name="line.167"></a>
+<span class="sourceLineNo">168</span> try {<a name="line.168"></a>
+<span class="sourceLineNo">169</span> Class<? extends
CompressionCodec> codecClass;<a name="line.169"></a>
+<span class="sourceLineNo">170</span> if (request.hasCompressCodec()) {<a
name="line.170"></a>
+<span class="sourceLineNo">171</span> codecClass =
conf.getClassByName(request.getCompressCodec()).asSubclass(CompressionCodec.class);<a
name="line.171"></a>
+<span class="sourceLineNo">172</span> } else {<a name="line.172"></a>
+<span class="sourceLineNo">173</span> codecClass = DEFAULT_CODEC;<a
name="line.173"></a>
+<span class="sourceLineNo">174</span> }<a name="line.174"></a>
+<span class="sourceLineNo">175</span> return
ReflectionUtils.newInstance(codecClass, conf);<a name="line.175"></a>
+<span class="sourceLineNo">176</span> } catch (ClassNotFoundException e)
{<a name="line.176"></a>
+<span class="sourceLineNo">177</span> throw new
IllegalArgumentException("Compression codec "<a name="line.177"></a>
+<span class="sourceLineNo">178</span> +
request.getCompressCodec() + " was not found.", e);<a name="line.178"></a>
+<span class="sourceLineNo">179</span> }<a name="line.179"></a>
+<span class="sourceLineNo">180</span> }<a name="line.180"></a>
+<span class="sourceLineNo">181</span><a name="line.181"></a>
+<span class="sourceLineNo">182</span> private static
SequenceFile.Writer.Option getOutputPath(final Configuration conf,<a
name="line.182"></a>
+<span class="sourceLineNo">183</span> final HRegionInfo info, final
ExportProtos.ExportRequest request) throws IOException {<a name="line.183"></a>
+<span class="sourceLineNo">184</span> Path file = new
Path(request.getOutputPath(), "export-" + info.getEncodedName());<a
name="line.184"></a>
+<span class="sourceLineNo">185</span> FileSystem fs =
file.getFileSystem(conf);<a name="line.185"></a>
+<span class="sourceLineNo">186</span> if (fs.exists(file)) {<a
name="line.186"></a>
+<span class="sourceLineNo">187</span> throw new IOException(file + "
exists");<a name="line.187"></a>
+<span class="sourceLineNo">188</span> }<a name="line.188"></a>
+<span class="sourceLineNo">189</span> return
SequenceFile.Writer.file(file);<a name="line.189"></a>
+<span class="sourceLineNo">190</span> }<a name="line.190"></a>
+<span class="sourceLineNo">191</span><a name="line.191"></a>
+<span class="sourceLineNo">192</span> private static
List<SequenceFile.Writer.Option> getWriterOptions(final Configuration
conf,<a name="line.192"></a>
+<span class="sourceLineNo">193</span> final HRegionInfo info, final
ExportProtos.ExportRequest request) throws IOException {<a name="line.193"></a>
+<span class="sourceLineNo">194</span>
List<SequenceFile.Writer.Option> rval = new LinkedList<>();<a
name="line.194"></a>
+<span class="sourceLineNo">195</span>
rval.add(SequenceFile.Writer.keyClass(ImmutableBytesWritable.class));<a
name="line.195"></a>
+<span class="sourceLineNo">196</span>
rval.add(SequenceFile.Writer.valueClass(Result.class));<a name="line.196"></a>
+<span class="sourceLineNo">197</span> rval.add(getOutputPath(conf, info,
request));<a name="line.197"></a>
+<span class="sourceLineNo">198</span> if (getCompression(request)) {<a
name="line.198"></a>
+<span class="sourceLineNo">199</span>
rval.add(SequenceFile.Writer.compression(getCompressionType(request),
getCompressionCodec(conf, request)));<a name="line.199"></a>
+<span class="sourceLineNo">200</span> } else {<a name="line.200"></a>
+<span class="sourceLineNo">201</span>
rval.add(SequenceFile.Writer.compression(SequenceFile.CompressionType.NONE));<a
name="line.201"></a>
+<span class="sourceLineNo">202</span> }<a name="line.202"></a>
+<span class="sourceLineNo">203</span> return rval;<a name="line.203"></a>
+<span class="sourceLineNo">204</span> }<a name="line.204"></a>
+<span class="sourceLineNo">205</span><a name="line.205"></a>
+<span class="sourceLineNo">206</span> private static
ExportProtos.ExportResponse processData(final Region region, final
Configuration conf,<a name="line.206"></a>
+<span class="sourceLineNo">207</span> final UserProvider userProvider,
final Scan scan, final Token userToken,<a name="line.207"></a>
+<span class="sourceLineNo">208</span> final
List<SequenceFile.Writer.Option> opts) throws IOException {<a
name="line.208"></a>
+<span class="sourceLineNo">209</span> ScanCoprocessor cp = new
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name="line.227"></a>
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cells.get(0);<a name="line.229"></a>
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cell.getRowOffset(), cell.getRowLength()) != 0) {<a name="line.232"></a>
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the RegionScanner#nextRaw returns the data of different rows??"<a
name="line.233"></a>
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Bytes.toHex(firstCell.getRowArray(), firstCell.getRowOffset(),
firstCell.getRowLength())<a name="line.234"></a>
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results.add(Result.create(cells));<a name="line.238"></a>
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results, scan.getBatch(), hasMore);<a name="line.240"></a>
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name="line.249"></a>
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ExportProtos.ExportResponse.newBuilder()<a name="line.250"></a>
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name="line.253"></a>
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FileSystem fs, final Path dir) throws IOException {<a name="line.259"></a>
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final Token<?> userToken) throws IOException {<a name="line.269"></a>
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conf.get(FileOutputFormat.COMPRESS_CODEC,<a name="line.273"></a>
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DelegationToken.newBuilder()<a name="line.277"></a>
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.setIdentifier(ByteStringer.wrap(userToken.getIdentifier()))<a
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.setPassword(ByteStringer.wrap(userToken.getPassword()))<a name="line.279"></a>
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.setKind(userToken.getKind().toString())<a name="line.280"></a>
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.setService(userToken.getService().toString()).build();<a name="line.281"></a>
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+<span class="sourceLineNo">283</span> LOG.info("compressed=" + compressed<a
name="line.283"></a>
+<span class="sourceLineNo">284</span> + ", compression type=" +
compressionType<a name="line.284"></a>
+<span class="sourceLineNo">285</span> + ", compression codec=" +
compressionCodec<a name="line.285"></a>
+<span class="sourceLineNo">286</span> + ", userToken=" +
userToken);<a name="line.286"></a>
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builder = ExportProtos.ExportRequest.newBuilder()<a name="line.287"></a>
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.setScan(ProtobufUtil.toScan(scan))<a name="line.288"></a>
+<span class="sourceLineNo">289</span>
.setOutputPath(dir.toString())<a name="line.289"></a>
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name="line.290"></a>
+<span class="sourceLineNo">291</span>
.setCompressCodec(compressionCodec)<a name="line.291"></a>
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.setCompressType(compressionType);<a name="line.292"></a>
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name="line.293"></a>
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name="line.294"></a>
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start(CoprocessorEnvironment environment) throws IOException {<a
name="line.301"></a>
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CoprocessorException("Must be loaded on a table region!");<a
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name="line.315"></a>
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controller, ExportProtos.ExportRequest request,<a name="line.320"></a>
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RpcCallback<ExportProtos.ExportResponse> done) {<a name="line.321"></a>
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HBaseConfiguration.create(env.getConfiguration());<a name="line.323"></a>
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conf.get("io.serializations"), ResultSerialization.class.getName());<a
name="line.324"></a>
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validateKey(region.getRegionInfo(), request);<a name="line.326"></a>
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(userProvider.isHadoopSecurityEnabled() && !request.hasFsToken()) {<a
name="line.328"></a>
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enable, but no found of user token");<a name="line.329"></a>
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(userProvider.isHadoopSecurityEnabled()) {<a name="line.330"></a>
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request.getFsToken().getPassword().toByteArray(),<a name="line.332"></a>
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Text(request.getFsToken().getKind()),<a name="line.333"></a>
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Text(request.getFsToken().getService()));<a name="line.334"></a>
+<span class="sourceLineNo">335</span> }<a name="line.335"></a>
+<span class="sourceLineNo">336</span> ExportProtos.ExportResponse
response = processData(region, conf, userProvider,<a name="line.336"></a>
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getWriterOptions(conf, region.getRegionInfo(), request));<a name="line.337"></a>
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name="line.338"></a>
+<span class="sourceLineNo">339</span> } catch (IOException e) {<a
name="line.339"></a>
+<span class="sourceLineNo">340</span>
CoprocessorRpcUtils.setControllerException(controller, e);<a
name="line.340"></a>
+<span class="sourceLineNo">341</span> LOG.error(e);<a name="line.341"></a>
+<span class="sourceLineNo">342</span> }<a name="line.342"></a>
+<span class="sourceLineNo">343</span> }<a name="line.343"></a>
+<span class="sourceLineNo">344</span><a name="line.344"></a>
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HRegionInfo region, final ExportProtos.ExportRequest request) throws
IOException {<a name="line.345"></a>
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ProtobufUtil.toScan(request.getScan());<a name="line.346"></a>
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region.getStartKey();<a name="line.347"></a>
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scan.getStartRow();<a name="line.348"></a>
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name="line.349"></a>
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Bytes.compareTo(originStartKey, regionStartKey) < 0) {<a name="line.350"></a>
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name="line.351"></a>
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region.getEndKey();<a name="line.353"></a>
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scan.getStopRow();<a name="line.354"></a>
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name="line.355"></a>
+<span class="sourceLineNo">356</span> ||
Bytes.compareTo(originEndKey, regionEndKey) > 0) {<a name="line.356"></a>
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name="line.357"></a>
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IOException {<a name="line.372"></a>
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{<a name="line.377"></a>
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{<a name="line.381"></a>
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name="line.382"></a>
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Scan scan) throws IOException {<a name="line.385"></a>
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region.getScanner(scan);<a name="line.388"></a>
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region.getCoprocessorHost().preScannerOpen(scan);<a name="line.390"></a>
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region.getScanner(scan);<a name="line.392"></a>
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region.getCoprocessorHost().postScannerOpen(scan, scanner);<a
name="line.394"></a>
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name="line.399"></a>
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name="line.403"></a>
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(region.getCoprocessorHost().preScannerClose(s)) {<a name="line.410"></a>
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region.getCoprocessorHost().postScannerClose(s);<a name="line.416"></a>
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InternalScanner s,<a name="line.420"></a>
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results, final int limit) throws IOException {<a name="line.421"></a>
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implements Closeable {<a name="line.441"></a>
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privilegedWriter;<a name="line.442"></a>
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conf, final UserProvider userProvider, final Token userToken,<a
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List<SequenceFile.Writer.Option> opts) throws IOException {<a
name="line.445"></a>
+<span class="sourceLineNo">446</span> privilegedWriter = new
PrivilegedWriter(getActiveUser(userProvider, userToken),<a name="line.446"></a>
+<span class="sourceLineNo">447</span> SequenceFile.createWriter(conf,
opts.toArray(new SequenceFile.Writer.Option[opts.size()])));<a
name="line.447"></a>
+<span class="sourceLineNo">448</span> }<a name="line.448"></a>
+<span class="sourceLineNo">449</span><a name="line.449"></a>
+<span class="sourceLineNo">450</span> void append(final Object key, final
Object value) throws IOException {<a name="line.450"></a>
+<span class="sourceLineNo">451</span> privilegedWriter.append(key,
value);<a name="line.451"></a>
+<span class="sourceLineNo">452</span> }<a name="line.452"></a>
+<span class="sourceLineNo">453</span><a name="line.453"></a>
+<span class="sourceLineNo">454</span> private static User
getActiveUser(final UserProvider userProvider, final Token userToken) throws
IOException {<a name="line.454"></a>
+<span class="sourceLineNo">455</span> User user =
RpcServer.getRequestUser();<a name="line.455"></a>
+<span class="sourceLineNo">456</span> if (user == null) {<a
name="line.456"></a>
+<span class="sourceLineNo">457</span> user =
userProvider.getCurrent();<a name="line.457"></a>
+<span class="sourceLineNo">458</span> }<a name="line.458"></a>
+<span class="sourceLineNo">459</span> if (user == null &&
userToken != null) {<a name="line.459"></a>
+<span class="sourceLineNo">460</span> LOG.warn("No found of user
credentials, but a token was got from user request");<a name="line.460"></a>
+<span class="sourceLineNo">461</span> } else if (user != null &&
userToken != null) {<a name="line.461"></a>
+<span class="sourceLineNo">462</span> user.addToken(userToken);<a
name="line.462"></a>
+<span class="sourceLineNo">463</span> }<a name="line.463"></a>
+<span class="sourceLineNo">464</span> return user;<a name="line.464"></a>
+<span class="sourceLineNo">465</span> }<a name="line.465"></a>
+<span class="sourceLineNo">466</span><a name="line.466"></a>
+<span class="sourceLineNo">467</span> @Override<a name="line.467"></a>
+<span class="sourceLineNo">468</span> public void close() throws
IOException {<a name="line.468"></a>
+<span class="sourceLineNo">469</span> privilegedWriter.close();<a
name="line.469"></a>
+<span class="sourceLineNo">470</span> }<a name="line.470"></a>
+<span class="sourceLineNo">471</span> }<a name="line.471"></a>
+<span class="sourceLineNo">472</span><a name="line.472"></a>
+<span class="sourceLineNo">473</span> private static class PrivilegedWriter
implements PrivilegedExceptionAction<Boolean>, Closeable {<a
name="line.473"></a>
+<span class="sourceLineNo">474</span> private final User user;<a
name="line.474"></a>
+<span class="sourceLineNo">475</span> private final SequenceFile.Writer
out;<a name="line.475"></a>
+<span class="sourceLineNo">476</span> private Object key;<a
name="line.476"></a>
+<span class="sourceLineNo">477</span> private Object value;<a
name="line.477"></a>
+<span class="sourceLineNo">478</span><a name="line.478"></a>
+<span class="sourceLineNo">479</span> PrivilegedWriter(final User user,
final SequenceFile.Writer out) {<a name="line.479"></a>
+<span class="sourceLineNo">480</span> this.user = user;<a
name="line.480"></a>
+<span class="sourceLineNo">481</span> this.out = out;<a
name="line.481"></a>
+<span class="sourceLineNo">482</span> }<a name="line.482"></a>
+<span class="sourceLineNo">483</span><a name="line.483"></a>
+<span class="sourceLineNo">484</span> void append(final Object key, final
Object value) throws IOException {<a name="line.484"></a>
+<span class="sourceLineNo">485</span> if (user == null) {<a
name="line.485"></a>
+<span class="sourceLineNo">486</span> out.append(key, value);<a
name="line.486"></a>
+<span class="sourceLineNo">487</span> } else {<a name="line.487"></a>
+<span class="sourceLineNo">488</span> this.key = key;<a
name="line.488"></a>
+<span class="sourceLineNo">489</span> this.value = value;<a
name="line.489"></a>
+<span class="sourceLineNo">490</span> try {<a name="line.490"></a>
+<span class="sourceLineNo">491</span> user.runAs(this);<a
name="line.491"></a>
+<span class="sourceLineNo">492</span> } catch (InterruptedException ex)
{<a name="line.492"></a>
+<span class="sourceLineNo">493</span> throw new IOException(ex);<a
name="line.493"></a>
+<span class="sourceLineNo">494</span> }<a name="line.494"></a>
+<span class="sourceLineNo">495</span> }<a name="line.495"></a>
+<span class="sourceLineNo">496</span> }<a name="line.496"></a>
+<span class="sourceLineNo">497</span><a name="line.497"></a>
+<span class="sourceLineNo">498</span> @Override<a name="line.498"></a>
+<span class="sourceLineNo">499</span> public Boolean run() throws Exception
{<a name="line.499"></a>
+<span class="sourceLineNo">500</span> out.append(key, value);<a
name="line.500"></a>
+<span class="sourceLineNo">501</span> return true;<a name="line.501"></a>
+<span class="sourceLineNo">502</span> }<a name="line.502"></a>
+<span class="sourceLineNo">503</span><a name="line.503"></a>
+<span class="sourceLineNo">504</span> @Override<a name="line.504"></a>
+<span class="sourceLineNo">505</span> public void close() throws
IOException {<a name="line.505"></a>
+<span class="sourceLineNo">506</span> out.close();<a name="line.506"></a>
+<span class="sourceLineNo">507</span> }<a name="line.507"></a>
+<span class="sourceLineNo">508</span> }<a name="line.508"></a>
+<span class="sourceLineNo">509</span><a name="line.509"></a>
+<span class="sourceLineNo">510</span> public static class Response {<a
name="line.510"></a>
+<span class="sourceLineNo">511</span><a name="line.511"></a>
+<span class="sourceLineNo">512</span> private final long rowCount;<a
name="line.512"></a>
+<span class="sourceLineNo">513</span> private final long cellCount;<a
name="line.513"></a>
+<span class="sourceLineNo">514</span><a name="line.514"></a>
+<span class="sourceLineNo">515</span> private
Response(ExportProtos.ExportResponse r) {<a name="line.515"></a>
+<span class="sourceLineNo">516</span> this.rowCount = r.getRowCount();<a
name="line.516"></a>
+<span class="sourceLineNo">517</span> this.cellCount =
r.getCellCount();<a name="line.517"></a>
+<span class="sourceLineNo">518</span> }<a name="line.518"></a>
+<span class="sourceLineNo">519</span><a name="line.519"></a>
+<span class="sourceLineNo">520</span> public long getRowCount() {<a
name="line.520"></a>
+<span class="sourceLineNo">521</span> return rowCount;<a
name="line.521"></a>
+<span class="sourceLineNo">522</span> }<a name="line.522"></a>
+<span class="sourceLineNo">523</span><a name="line.523"></a>
+<span class="sourceLineNo">524</span> public long getCellCount() {<a
name="line.524"></a>
+<span class="sourceLineNo">525</span> return cellCount;<a
name="line.525"></a>
+<span class="sourceLineNo">526</span> }<a name="line.526"></a>
+<span class="sourceLineNo">527</span><a name="line.527"></a>
+<span class="sourceLineNo">528</span> @Override<a name="line.528"></a>
+<span class="sourceLineNo">529</span> public String toString() {<a
name="line.529"></a>
+<span class="sourceLineNo">530</span> StringBuilder builder = new
StringBuilder(35);<a name="line.530"></a>
+<span class="sourceLineNo">531</span> return
builder.append("rowCount=")<a name="line.531"></a>
+<span class="sourceLineNo">532</span> .append(rowCount)<a
name="line.532"></a>
+<span class="sourceLineNo">533</span> .append(", cellCount=")<a
name="line.533"></a>
+<span class="sourceLineNo">534</span> .append(cellCount)<a
name="line.534"></a>
+<span class="sourceLineNo">535</span> .toString();<a
name="line.535"></a>
+<span class="sourceLineNo">536</span> }<a name="line.536"></a>
+<span class="sourceLineNo">537</span> }<a name="line.537"></a>
+<span class="sourceLineNo">538</span>}<a name="line.538"></a>
+
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+</pre>
+</div>
+</body>
+</html>