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Posted to commits@hbase.apache.org by mi...@apache.org on 2016/02/23 18:08:19 UTC

[11/51] [partial] hbase-site git commit: Published site at 58283fa1b1b10beec62cefa40babff6a1424b06c.

http://git-wip-us.apache.org/repos/asf/hbase-site/blob/d02dd5db/devapidocs/src-html/org/apache/hadoop/hbase/mapreduce/TableInputFormatBase.html
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diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/mapreduce/TableInputFormatBase.html b/devapidocs/src-html/org/apache/hadoop/hbase/mapreduce/TableInputFormatBase.html
index 6c2b2de..68b00ca 100644
--- a/devapidocs/src-html/org/apache/hadoop/hbase/mapreduce/TableInputFormatBase.html
+++ b/devapidocs/src-html/org/apache/hadoop/hbase/mapreduce/TableInputFormatBase.html
@@ -35,648 +35,641 @@
 <span class="sourceLineNo">027</span>import java.util.HashMap;<a name="line.27"></a>
 <span class="sourceLineNo">028</span>import java.util.List;<a name="line.28"></a>
 <span class="sourceLineNo">029</span><a name="line.29"></a>
-<span class="sourceLineNo">030</span>import javax.naming.NamingException;<a name="line.30"></a>
-<span class="sourceLineNo">031</span><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.hbase.classification.InterfaceAudience;<a name="line.35"></a>
-<span class="sourceLineNo">036</span>import org.apache.hadoop.hbase.classification.InterfaceStability;<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.HRegionLocation;<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.Admin;<a name="line.40"></a>
-<span class="sourceLineNo">041</span>import org.apache.hadoop.hbase.client.Connection;<a name="line.41"></a>
-<span class="sourceLineNo">042</span>import org.apache.hadoop.hbase.client.HTable;<a name="line.42"></a>
-<span class="sourceLineNo">043</span>import org.apache.hadoop.hbase.client.RegionLocator;<a name="line.43"></a>
-<span class="sourceLineNo">044</span>import org.apache.hadoop.hbase.client.Result;<a name="line.44"></a>
-<span class="sourceLineNo">045</span>import org.apache.hadoop.hbase.client.Scan;<a name="line.45"></a>
-<span class="sourceLineNo">046</span>import org.apache.hadoop.hbase.client.Table;<a name="line.46"></a>
-<span class="sourceLineNo">047</span>import org.apache.hadoop.hbase.io.ImmutableBytesWritable;<a name="line.47"></a>
-<span class="sourceLineNo">048</span>import org.apache.hadoop.hbase.util.Addressing;<a name="line.48"></a>
-<span class="sourceLineNo">049</span>import org.apache.hadoop.hbase.util.Bytes;<a name="line.49"></a>
-<span class="sourceLineNo">050</span>import org.apache.hadoop.hbase.util.Pair;<a name="line.50"></a>
-<span class="sourceLineNo">051</span>import org.apache.hadoop.hbase.util.RegionSizeCalculator;<a name="line.51"></a>
-<span class="sourceLineNo">052</span>import org.apache.hadoop.hbase.util.Strings;<a name="line.52"></a>
-<span class="sourceLineNo">053</span>import org.apache.hadoop.mapreduce.InputFormat;<a name="line.53"></a>
-<span class="sourceLineNo">054</span>import org.apache.hadoop.mapreduce.InputSplit;<a name="line.54"></a>
-<span class="sourceLineNo">055</span>import org.apache.hadoop.mapreduce.JobContext;<a name="line.55"></a>
-<span class="sourceLineNo">056</span>import org.apache.hadoop.mapreduce.RecordReader;<a name="line.56"></a>
-<span class="sourceLineNo">057</span>import org.apache.hadoop.mapreduce.TaskAttemptContext;<a name="line.57"></a>
-<span class="sourceLineNo">058</span>import org.apache.hadoop.net.DNS;<a name="line.58"></a>
-<span class="sourceLineNo">059</span>import org.apache.hadoop.util.StringUtils;<a name="line.59"></a>
-<span class="sourceLineNo">060</span><a name="line.60"></a>
-<span class="sourceLineNo">061</span>/**<a name="line.61"></a>
-<span class="sourceLineNo">062</span> * A base for {@link TableInputFormat}s. Receives a {@link Connection}, a {@link TableName},<a name="line.62"></a>
-<span class="sourceLineNo">063</span> * an {@link Scan} instance that defines the input columns etc. Subclasses may use<a name="line.63"></a>
-<span class="sourceLineNo">064</span> * other TableRecordReader implementations.<a name="line.64"></a>
-<span class="sourceLineNo">065</span> *<a name="line.65"></a>
-<span class="sourceLineNo">066</span> * Subclasses MUST ensure initializeTable(Connection, TableName) is called for an instance to<a name="line.66"></a>
-<span class="sourceLineNo">067</span> * function properly. Each of the entry points to this class used by the MapReduce framework,<a name="line.67"></a>
-<span class="sourceLineNo">068</span> * {@link #createRecordReader(InputSplit, TaskAttemptContext)} and {@link #getSplits(JobContext)},<a name="line.68"></a>
-<span class="sourceLineNo">069</span> * will call {@link #initialize(JobContext)} as a convenient centralized location to handle<a name="line.69"></a>
-<span class="sourceLineNo">070</span> * retrieving the necessary configuration information. If your subclass overrides either of these<a name="line.70"></a>
-<span class="sourceLineNo">071</span> * methods, either call the parent version or call initialize yourself.<a name="line.71"></a>
-<span class="sourceLineNo">072</span> *<a name="line.72"></a>
-<span class="sourceLineNo">073</span> * &lt;p&gt;<a name="line.73"></a>
-<span class="sourceLineNo">074</span> * An example of a subclass:<a name="line.74"></a>
-<span class="sourceLineNo">075</span> * &lt;pre&gt;<a name="line.75"></a>
-<span class="sourceLineNo">076</span> *   class ExampleTIF extends TableInputFormatBase {<a name="line.76"></a>
-<span class="sourceLineNo">077</span> *<a name="line.77"></a>
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-<span class="sourceLineNo">080</span> *       // We are responsible for the lifecycle of this connection until we hand it over in<a name="line.80"></a>
-<span class="sourceLineNo">081</span> *       // initializeTable.<a name="line.81"></a>
-<span class="sourceLineNo">082</span> *       Connection connection = ConnectionFactory.createConnection(HBaseConfiguration.create(<a name="line.82"></a>
-<span class="sourceLineNo">083</span> *              job.getConfiguration()));<a name="line.83"></a>
-<span class="sourceLineNo">084</span> *       TableName tableName = TableName.valueOf("exampleTable");<a name="line.84"></a>
-<span class="sourceLineNo">085</span> *       // mandatory. once passed here, TableInputFormatBase will handle closing the connection.<a name="line.85"></a>
-<span class="sourceLineNo">086</span> *       initializeTable(connection, tableName);<a name="line.86"></a>
-<span class="sourceLineNo">087</span> *       byte[][] inputColumns = new byte [][] { Bytes.toBytes("columnA"),<a name="line.87"></a>
-<span class="sourceLineNo">088</span> *         Bytes.toBytes("columnB") };<a name="line.88"></a>
-<span class="sourceLineNo">089</span> *       // optional, by default we'll get everything for the table.<a name="line.89"></a>
-<span class="sourceLineNo">090</span> *       Scan scan = new Scan();<a name="line.90"></a>
-<span class="sourceLineNo">091</span> *       for (byte[] family : inputColumns) {<a name="line.91"></a>
-<span class="sourceLineNo">092</span> *         scan.addFamily(family);<a name="line.92"></a>
-<span class="sourceLineNo">093</span> *       }<a name="line.93"></a>
-<span class="sourceLineNo">094</span> *       Filter exampleFilter = new RowFilter(CompareOp.EQUAL, new RegexStringComparator("aa.*"));<a name="line.94"></a>
-<span class="sourceLineNo">095</span> *       scan.setFilter(exampleFilter);<a name="line.95"></a>
-<span class="sourceLineNo">096</span> *       setScan(scan);<a name="line.96"></a>
-<span class="sourceLineNo">097</span> *     }<a name="line.97"></a>
-<span class="sourceLineNo">098</span> *   }<a name="line.98"></a>
-<span class="sourceLineNo">099</span> * &lt;/pre&gt;<a name="line.99"></a>
-<span class="sourceLineNo">100</span> */<a name="line.100"></a>
-<span class="sourceLineNo">101</span>@InterfaceAudience.Public<a name="line.101"></a>
-<span class="sourceLineNo">102</span>@InterfaceStability.Stable<a name="line.102"></a>
-<span class="sourceLineNo">103</span>public abstract class TableInputFormatBase<a name="line.103"></a>
-<span class="sourceLineNo">104</span>extends InputFormat&lt;ImmutableBytesWritable, Result&gt; {<a name="line.104"></a>
-<span class="sourceLineNo">105</span><a name="line.105"></a>
-<span class="sourceLineNo">106</span>  /** Specify if we enable auto-balance for input in M/R jobs.*/<a name="line.106"></a>
-<span class="sourceLineNo">107</span>  public static final String MAPREDUCE_INPUT_AUTOBALANCE = "hbase.mapreduce.input.autobalance";<a name="line.107"></a>
-<span class="sourceLineNo">108</span>  /** Specify if ratio for data skew in M/R jobs, it goes well with the enabling hbase.mapreduce<a name="line.108"></a>
-<span class="sourceLineNo">109</span>   * .input.autobalance property.*/<a name="line.109"></a>
-<span class="sourceLineNo">110</span>  public static final String INPUT_AUTOBALANCE_MAXSKEWRATIO = "hbase.mapreduce.input.autobalance" +<a name="line.110"></a>
-<span class="sourceLineNo">111</span>          ".maxskewratio";<a name="line.111"></a>
-<span class="sourceLineNo">112</span>  /** Specify if the row key in table is text (ASCII between 32~126),<a name="line.112"></a>
-<span class="sourceLineNo">113</span>   * default is true. False means the table is using binary row key*/<a name="line.113"></a>
-<span class="sourceLineNo">114</span>  public static final String TABLE_ROW_TEXTKEY = "hbase.table.row.textkey";<a name="line.114"></a>
+<span class="sourceLineNo">030</span>import org.apache.commons.logging.Log;<a name="line.30"></a>
+<span class="sourceLineNo">031</span>import org.apache.commons.logging.LogFactory;<a name="line.31"></a>
+<span class="sourceLineNo">032</span>import org.apache.hadoop.conf.Configuration;<a name="line.32"></a>
+<span class="sourceLineNo">033</span>import org.apache.hadoop.hbase.classification.InterfaceAudience;<a name="line.33"></a>
+<span class="sourceLineNo">034</span>import org.apache.hadoop.hbase.classification.InterfaceStability;<a name="line.34"></a>
+<span class="sourceLineNo">035</span>import org.apache.hadoop.hbase.HConstants;<a name="line.35"></a>
+<span class="sourceLineNo">036</span>import org.apache.hadoop.hbase.HRegionLocation;<a name="line.36"></a>
+<span class="sourceLineNo">037</span>import org.apache.hadoop.hbase.TableName;<a name="line.37"></a>
+<span class="sourceLineNo">038</span>import org.apache.hadoop.hbase.client.Admin;<a name="line.38"></a>
+<span class="sourceLineNo">039</span>import org.apache.hadoop.hbase.client.Connection;<a name="line.39"></a>
+<span class="sourceLineNo">040</span>import org.apache.hadoop.hbase.client.HTable;<a name="line.40"></a>
+<span class="sourceLineNo">041</span>import org.apache.hadoop.hbase.client.RegionLocator;<a name="line.41"></a>
+<span class="sourceLineNo">042</span>import org.apache.hadoop.hbase.client.Result;<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.io.ImmutableBytesWritable;<a name="line.45"></a>
+<span class="sourceLineNo">046</span>import org.apache.hadoop.hbase.util.Addressing;<a name="line.46"></a>
+<span class="sourceLineNo">047</span>import org.apache.hadoop.hbase.util.Bytes;<a name="line.47"></a>
+<span class="sourceLineNo">048</span>import org.apache.hadoop.hbase.util.Pair;<a name="line.48"></a>
+<span class="sourceLineNo">049</span>import org.apache.hadoop.hbase.util.RegionSizeCalculator;<a name="line.49"></a>
+<span class="sourceLineNo">050</span>import org.apache.hadoop.hbase.util.Strings;<a name="line.50"></a>
+<span class="sourceLineNo">051</span>import org.apache.hadoop.mapreduce.InputFormat;<a name="line.51"></a>
+<span class="sourceLineNo">052</span>import org.apache.hadoop.mapreduce.InputSplit;<a name="line.52"></a>
+<span class="sourceLineNo">053</span>import org.apache.hadoop.mapreduce.JobContext;<a name="line.53"></a>
+<span class="sourceLineNo">054</span>import org.apache.hadoop.mapreduce.RecordReader;<a name="line.54"></a>
+<span class="sourceLineNo">055</span>import org.apache.hadoop.mapreduce.TaskAttemptContext;<a name="line.55"></a>
+<span class="sourceLineNo">056</span>import org.apache.hadoop.net.DNS;<a name="line.56"></a>
+<span class="sourceLineNo">057</span>import org.apache.hadoop.util.StringUtils;<a name="line.57"></a>
+<span class="sourceLineNo">058</span><a name="line.58"></a>
+<span class="sourceLineNo">059</span>/**<a name="line.59"></a>
+<span class="sourceLineNo">060</span> * A base for {@link TableInputFormat}s. Receives a {@link Connection}, a {@link TableName},<a name="line.60"></a>
+<span class="sourceLineNo">061</span> * an {@link Scan} instance that defines the input columns etc. Subclasses may use<a name="line.61"></a>
+<span class="sourceLineNo">062</span> * other TableRecordReader implementations.<a name="line.62"></a>
+<span class="sourceLineNo">063</span> *<a name="line.63"></a>
+<span class="sourceLineNo">064</span> * Subclasses MUST ensure initializeTable(Connection, TableName) is called for an instance to<a name="line.64"></a>
+<span class="sourceLineNo">065</span> * function properly. Each of the entry points to this class used by the MapReduce framework,<a name="line.65"></a>
+<span class="sourceLineNo">066</span> * {@link #createRecordReader(InputSplit, TaskAttemptContext)} and {@link #getSplits(JobContext)},<a name="line.66"></a>
+<span class="sourceLineNo">067</span> * will call {@link #initialize(JobContext)} as a convenient centralized location to handle<a name="line.67"></a>
+<span class="sourceLineNo">068</span> * retrieving the necessary configuration information. If your subclass overrides either of these<a name="line.68"></a>
+<span class="sourceLineNo">069</span> * methods, either call the parent version or call initialize yourself.<a name="line.69"></a>
+<span class="sourceLineNo">070</span> *<a name="line.70"></a>
+<span class="sourceLineNo">071</span> * &lt;p&gt;<a name="line.71"></a>
+<span class="sourceLineNo">072</span> * An example of a subclass:<a name="line.72"></a>
+<span class="sourceLineNo">073</span> * &lt;pre&gt;<a name="line.73"></a>
+<span class="sourceLineNo">074</span> *   class ExampleTIF extends TableInputFormatBase {<a name="line.74"></a>
+<span class="sourceLineNo">075</span> *<a name="line.75"></a>
+<span class="sourceLineNo">076</span> *     {@literal @}Override<a name="line.76"></a>
+<span class="sourceLineNo">077</span> *     protected void initialize(JobContext context) throws IOException {<a name="line.77"></a>
+<span class="sourceLineNo">078</span> *       // We are responsible for the lifecycle of this connection until we hand it over in<a name="line.78"></a>
+<span class="sourceLineNo">079</span> *       // initializeTable.<a name="line.79"></a>
+<span class="sourceLineNo">080</span> *       Connection connection = ConnectionFactory.createConnection(HBaseConfiguration.create(<a name="line.80"></a>
+<span class="sourceLineNo">081</span> *              job.getConfiguration()));<a name="line.81"></a>
+<span class="sourceLineNo">082</span> *       TableName tableName = TableName.valueOf("exampleTable");<a name="line.82"></a>
+<span class="sourceLineNo">083</span> *       // mandatory. once passed here, TableInputFormatBase will handle closing the connection.<a name="line.83"></a>
+<span class="sourceLineNo">084</span> *       initializeTable(connection, tableName);<a name="line.84"></a>
+<span class="sourceLineNo">085</span> *       byte[][] inputColumns = new byte [][] { Bytes.toBytes("columnA"),<a name="line.85"></a>
+<span class="sourceLineNo">086</span> *         Bytes.toBytes("columnB") };<a name="line.86"></a>
+<span class="sourceLineNo">087</span> *       // optional, by default we'll get everything for the table.<a name="line.87"></a>
+<span class="sourceLineNo">088</span> *       Scan scan = new Scan();<a name="line.88"></a>
+<span class="sourceLineNo">089</span> *       for (byte[] family : inputColumns) {<a name="line.89"></a>
+<span class="sourceLineNo">090</span> *         scan.addFamily(family);<a name="line.90"></a>
+<span class="sourceLineNo">091</span> *       }<a name="line.91"></a>
+<span class="sourceLineNo">092</span> *       Filter exampleFilter = new RowFilter(CompareOp.EQUAL, new RegexStringComparator("aa.*"));<a name="line.92"></a>
+<span class="sourceLineNo">093</span> *       scan.setFilter(exampleFilter);<a name="line.93"></a>
+<span class="sourceLineNo">094</span> *       setScan(scan);<a name="line.94"></a>
+<span class="sourceLineNo">095</span> *     }<a name="line.95"></a>
+<span class="sourceLineNo">096</span> *   }<a name="line.96"></a>
+<span class="sourceLineNo">097</span> * &lt;/pre&gt;<a name="line.97"></a>
+<span class="sourceLineNo">098</span> */<a name="line.98"></a>
+<span class="sourceLineNo">099</span>@InterfaceAudience.Public<a name="line.99"></a>
+<span class="sourceLineNo">100</span>@InterfaceStability.Stable<a name="line.100"></a>
+<span class="sourceLineNo">101</span>public abstract class TableInputFormatBase<a name="line.101"></a>
+<span class="sourceLineNo">102</span>extends InputFormat&lt;ImmutableBytesWritable, Result&gt; {<a name="line.102"></a>
+<span class="sourceLineNo">103</span><a name="line.103"></a>
+<span class="sourceLineNo">104</span>  /** Specify if we enable auto-balance for input in M/R jobs.*/<a name="line.104"></a>
+<span class="sourceLineNo">105</span>  public static final String MAPREDUCE_INPUT_AUTOBALANCE = "hbase.mapreduce.input.autobalance";<a name="line.105"></a>
+<span class="sourceLineNo">106</span>  /** Specify if ratio for data skew in M/R jobs, it goes well with the enabling hbase.mapreduce<a name="line.106"></a>
+<span class="sourceLineNo">107</span>   * .input.autobalance property.*/<a name="line.107"></a>
+<span class="sourceLineNo">108</span>  public static final String INPUT_AUTOBALANCE_MAXSKEWRATIO = "hbase.mapreduce.input.autobalance" +<a name="line.108"></a>
+<span class="sourceLineNo">109</span>          ".maxskewratio";<a name="line.109"></a>
+<span class="sourceLineNo">110</span>  /** Specify if the row key in table is text (ASCII between 32~126),<a name="line.110"></a>
+<span class="sourceLineNo">111</span>   * default is true. False means the table is using binary row key*/<a name="line.111"></a>
+<span class="sourceLineNo">112</span>  public static final String TABLE_ROW_TEXTKEY = "hbase.table.row.textkey";<a name="line.112"></a>
+<span class="sourceLineNo">113</span><a name="line.113"></a>
+<span class="sourceLineNo">114</span>  private static final Log LOG = LogFactory.getLog(TableInputFormatBase.class);<a name="line.114"></a>
 <span class="sourceLineNo">115</span><a name="line.115"></a>
-<span class="sourceLineNo">116</span>  private static final Log LOG = LogFactory.getLog(TableInputFormatBase.class);<a name="line.116"></a>
-<span class="sourceLineNo">117</span><a name="line.117"></a>
-<span class="sourceLineNo">118</span>  private static final String NOT_INITIALIZED = "The input format instance has not been properly " +<a name="line.118"></a>
-<span class="sourceLineNo">119</span>      "initialized. Ensure you call initializeTable either in your constructor or initialize " +<a name="line.119"></a>
-<span class="sourceLineNo">120</span>      "method";<a name="line.120"></a>
-<span class="sourceLineNo">121</span>  private static final String INITIALIZATION_ERROR = "Cannot create a record reader because of a" +<a name="line.121"></a>
-<span class="sourceLineNo">122</span>            " previous error. Please look at the previous logs lines from" +<a name="line.122"></a>
-<span class="sourceLineNo">123</span>            " the task's full log for more details.";<a name="line.123"></a>
-<span class="sourceLineNo">124</span><a name="line.124"></a>
-<span class="sourceLineNo">125</span>  /** Holds the details for the internal scanner.<a name="line.125"></a>
-<span class="sourceLineNo">126</span>   *<a name="line.126"></a>
-<span class="sourceLineNo">127</span>   * @see Scan */<a name="line.127"></a>
-<span class="sourceLineNo">128</span>  private Scan scan = null;<a name="line.128"></a>
-<span class="sourceLineNo">129</span>  /** The {@link Admin}. */<a name="line.129"></a>
-<span class="sourceLineNo">130</span>  private Admin admin;<a name="line.130"></a>
-<span class="sourceLineNo">131</span>  /** The {@link Table} to scan. */<a name="line.131"></a>
-<span class="sourceLineNo">132</span>  private Table table;<a name="line.132"></a>
-<span class="sourceLineNo">133</span>  /** The {@link RegionLocator} of the table. */<a name="line.133"></a>
-<span class="sourceLineNo">134</span>  private RegionLocator regionLocator;<a name="line.134"></a>
-<span class="sourceLineNo">135</span>  /** The reader scanning the table, can be a custom one. */<a name="line.135"></a>
-<span class="sourceLineNo">136</span>  private TableRecordReader tableRecordReader = null;<a name="line.136"></a>
-<span class="sourceLineNo">137</span>  /** The underlying {@link Connection} of the table. */<a name="line.137"></a>
-<span class="sourceLineNo">138</span>  private Connection connection;<a name="line.138"></a>
-<span class="sourceLineNo">139</span><a name="line.139"></a>
-<span class="sourceLineNo">140</span>  <a name="line.140"></a>
-<span class="sourceLineNo">141</span>  /** The reverse DNS lookup cache mapping: IPAddress =&gt; HostName */<a name="line.141"></a>
-<span class="sourceLineNo">142</span>  private HashMap&lt;InetAddress, String&gt; reverseDNSCacheMap =<a name="line.142"></a>
-<span class="sourceLineNo">143</span>    new HashMap&lt;InetAddress, String&gt;();<a name="line.143"></a>
-<span class="sourceLineNo">144</span><a name="line.144"></a>
-<span class="sourceLineNo">145</span>  /**<a name="line.145"></a>
-<span class="sourceLineNo">146</span>   * Builds a {@link TableRecordReader}. If no {@link TableRecordReader} was provided, uses<a name="line.146"></a>
-<span class="sourceLineNo">147</span>   * the default.<a name="line.147"></a>
-<span class="sourceLineNo">148</span>   *<a name="line.148"></a>
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-<span class="sourceLineNo">151</span>   * @return The newly created record reader.<a name="line.151"></a>
-<span class="sourceLineNo">152</span>   * @throws IOException When creating the reader fails.<a name="line.152"></a>
-<span class="sourceLineNo">153</span>   * @see org.apache.hadoop.mapreduce.InputFormat#createRecordReader(<a name="line.153"></a>
-<span class="sourceLineNo">154</span>   *   org.apache.hadoop.mapreduce.InputSplit,<a name="line.154"></a>
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