source: proiecte/HadoopJUnit/hadoop-0.20.1/docs/api/org/apache/hadoop/mapred/InputSplit.html @ 120

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7InputSplit (Hadoop 0.20.1 API)
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91org.apache.hadoop.mapred</FONT>
92<BR>
93Interface InputSplit</H2>
94<DL>
95<DT><B>All Superinterfaces:</B> <DD><A HREF="../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</A></DD>
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98<DT><B>All Known Implementing Classes:</B> <DD><A HREF="../../../../org/apache/hadoop/mapred/lib/CombineFileSplit.html" title="class in org.apache.hadoop.mapred.lib">CombineFileSplit</A>, <A HREF="../../../../org/apache/hadoop/mapred/join/CompositeInputSplit.html" title="class in org.apache.hadoop.mapred.join">CompositeInputSplit</A>, <A HREF="../../../../org/apache/hadoop/mapred/lib/db/DBInputFormat.DBInputSplit.html" title="class in org.apache.hadoop.mapred.lib.db">DBInputFormat.DBInputSplit</A>, <A HREF="../../../../org/apache/hadoop/mapred/FileSplit.html" title="class in org.apache.hadoop.mapred">FileSplit</A>, <A HREF="../../../../org/apache/hadoop/mapred/MultiFileSplit.html" title="class in org.apache.hadoop.mapred">MultiFileSplit</A>, <A HREF="../../../../org/apache/hadoop/examples/SleepJob.EmptySplit.html" title="class in org.apache.hadoop.examples">SleepJob.EmptySplit</A></DD>
99</DL>
100<HR>
101<B>Deprecated.</B>&nbsp;<I>Use <A HREF="../../../../org/apache/hadoop/mapreduce/InputSplit.html" title="class in org.apache.hadoop.mapreduce"><CODE>InputSplit</CODE></A> instead.</I>
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103<DL>
104<DT><PRE><FONT SIZE="-1"><A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Deprecated.html?is-external=true" title="class or interface in java.lang">@Deprecated</A>
105</FONT>public interface <B>InputSplit</B><DT>extends <A HREF="../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</A></DL>
106</PRE>
107
108<P>
109<code>InputSplit</code> represents the data to be processed by an
110 individual <A HREF="../../../../org/apache/hadoop/mapred/Mapper.html" title="interface in org.apache.hadoop.mapred"><CODE>Mapper</CODE></A>.
111
112 <p>Typically, it presents a byte-oriented view on the input and is the
113 responsibility of <A HREF="../../../../org/apache/hadoop/mapred/RecordReader.html" title="interface in org.apache.hadoop.mapred"><CODE>RecordReader</CODE></A> of the job to process this and present
114 a record-oriented view.
115<P>
116
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119<DT><B>See Also:</B><DD><A HREF="../../../../org/apache/hadoop/mapred/InputFormat.html" title="interface in org.apache.hadoop.mapred"><CODE>InputFormat</CODE></A>,
120<A HREF="../../../../org/apache/hadoop/mapred/RecordReader.html" title="interface in org.apache.hadoop.mapred"><CODE>RecordReader</CODE></A></DL>
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135<CODE>&nbsp;long</CODE></FONT></TD>
136<TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapred/InputSplit.html#getLength()">getLength</A></B>()</CODE>
137
138<BR>
139&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>Deprecated.</B>&nbsp;Get the total number of bytes in the data of the <code>InputSplit</code>.</TD>
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144<TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapred/InputSplit.html#getLocations()">getLocations</A></B>()</CODE>
145
146<BR>
147&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>Deprecated.</B>&nbsp;Get the list of hostnames where the input split is located.</TD>
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173getLength</H3>
174<PRE>
175long <B>getLength</B>()
176               throws <A HREF="http://java.sun.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></PRE>
177<DL>
178<DD><B>Deprecated.</B>&nbsp;<DD>Get the total number of bytes in the data of the <code>InputSplit</code>.
179<P>
180<DD><DL>
181</DL>
182</DD>
183<DD><DL>
184
185<DT><B>Returns:</B><DD>the number of bytes in the input split.
186<DT><B>Throws:</B>
187<DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></CODE></DL>
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194<PRE>
195<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A>[] <B>getLocations</B>()
196                      throws <A HREF="http://java.sun.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></PRE>
197<DL>
198<DD><B>Deprecated.</B>&nbsp;<DD>Get the list of hostnames where the input split is located.
199<P>
200<DD><DL>
201</DL>
202</DD>
203<DD><DL>
204
205<DT><B>Returns:</B><DD>list of hostnames where data of the <code>InputSplit</code> is
206         located as an array of <code>String</code>s.
207<DT><B>Throws:</B>
208<DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></CODE></DL>
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