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7MultiFileInputFormat (Hadoop 0.20.1 API)
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79  SUMMARY:&nbsp;NESTED&nbsp;|&nbsp;<A HREF="#fields_inherited_from_class_org.apache.hadoop.mapred.FileInputFormat">FIELD</A>&nbsp;|&nbsp;<A HREF="#constructor_summary">CONSTR</A>&nbsp;|&nbsp;<A HREF="#method_summary">METHOD</A></FONT></TD>
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91org.apache.hadoop.mapred</FONT>
92<BR>
93Class MultiFileInputFormat&lt;K,V&gt;</H2>
94<PRE>
95<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">java.lang.Object</A>
96  <IMG SRC="../../../../resources/inherit.gif" ALT="extended by "><A HREF="../../../../org/apache/hadoop/mapred/FileInputFormat.html" title="class in org.apache.hadoop.mapred">org.apache.hadoop.mapred.FileInputFormat</A>&lt;K,V&gt;
97      <IMG SRC="../../../../resources/inherit.gif" ALT="extended by "><B>org.apache.hadoop.mapred.MultiFileInputFormat&lt;K,V&gt;</B>
98</PRE>
99<DL>
100<DT><B>All Implemented Interfaces:</B> <DD><A HREF="../../../../org/apache/hadoop/mapred/InputFormat.html" title="interface in org.apache.hadoop.mapred">InputFormat</A>&lt;K,V&gt;</DD>
101</DL>
102<DL>
103<DT><B>Direct Known Subclasses:</B> <DD><A HREF="../../../../org/apache/hadoop/examples/MultiFileWordCount.MyInputFormat.html" title="class in org.apache.hadoop.examples">MultiFileWordCount.MyInputFormat</A></DD>
104</DL>
105<HR>
106<B>Deprecated.</B>&nbsp;<I>Use <A HREF="../../../../org/apache/hadoop/mapred/lib/CombineFileInputFormat.html" title="class in org.apache.hadoop.mapred.lib"><CODE>CombineFileInputFormat</CODE></A> instead</I>
107<P>
108<DL>
109<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>
110</FONT>public abstract class <B>MultiFileInputFormat&lt;K,V&gt;</B><DT>extends <A HREF="../../../../org/apache/hadoop/mapred/FileInputFormat.html" title="class in org.apache.hadoop.mapred">FileInputFormat</A>&lt;K,V&gt;</DL>
111</PRE>
112
113<P>
114An abstract <A HREF="../../../../org/apache/hadoop/mapred/InputFormat.html" title="interface in org.apache.hadoop.mapred"><CODE>InputFormat</CODE></A> that returns <A HREF="../../../../org/apache/hadoop/mapred/MultiFileSplit.html" title="class in org.apache.hadoop.mapred"><CODE>MultiFileSplit</CODE></A>'s
115 in <A HREF="../../../../org/apache/hadoop/mapred/MultiFileInputFormat.html#getSplits(org.apache.hadoop.mapred.JobConf, int)"><CODE>getSplits(JobConf, int)</CODE></A> method. Splits are constructed from
116 the files under the input paths. Each split returned contains <i>nearly</i>
117 equal content length. <br> 
118 Subclasses implement <A HREF="../../../../org/apache/hadoop/mapred/MultiFileInputFormat.html#getRecordReader(org.apache.hadoop.mapred.InputSplit, org.apache.hadoop.mapred.JobConf, org.apache.hadoop.mapred.Reporter)"><CODE>getRecordReader(InputSplit, JobConf, Reporter)</CODE></A>
119 to construct <code>RecordReader</code>'s for <code>MultiFileSplit</code>'s.
120<P>
121
122<P>
123<DL>
124<DT><B>See Also:</B><DD><A HREF="../../../../org/apache/hadoop/mapred/MultiFileSplit.html" title="class in org.apache.hadoop.mapred"><CODE>MultiFileSplit</CODE></A></DL>
125<HR>
126
127<P>
128<!-- =========== FIELD SUMMARY =========== -->
129
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133<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
134<B>Field Summary</B></FONT></TH>
135</TR>
136</TABLE>
137&nbsp;<A NAME="fields_inherited_from_class_org.apache.hadoop.mapred.FileInputFormat"><!-- --></A>
138<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
139<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
140<TH ALIGN="left"><B>Fields inherited from class org.apache.hadoop.mapred.<A HREF="../../../../org/apache/hadoop/mapred/FileInputFormat.html" title="class in org.apache.hadoop.mapred">FileInputFormat</A></B></TH>
141</TR>
142<TR BGCOLOR="white" CLASS="TableRowColor">
143<TD><CODE><A HREF="../../../../org/apache/hadoop/mapred/FileInputFormat.html#LOG">LOG</A></CODE></TD>
144</TR>
145</TABLE>
146&nbsp;
147<!-- ======== CONSTRUCTOR SUMMARY ======== -->
148
149<A NAME="constructor_summary"><!-- --></A>
150<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
151<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
152<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
153<B>Constructor Summary</B></FONT></TH>
154</TR>
155<TR BGCOLOR="white" CLASS="TableRowColor">
156<TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapred/MultiFileInputFormat.html#MultiFileInputFormat()">MultiFileInputFormat</A></B>()</CODE>
157
158<BR>
159&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>Deprecated.</B>&nbsp;&nbsp;</TD>
160</TR>
161</TABLE>
162&nbsp;
163<!-- ========== METHOD SUMMARY =========== -->
164
165<A NAME="method_summary"><!-- --></A>
166<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
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168<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
169<B>Method Summary</B></FONT></TH>
170</TR>
171<TR BGCOLOR="white" CLASS="TableRowColor">
172<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
173<CODE>abstract &nbsp;<A HREF="../../../../org/apache/hadoop/mapred/RecordReader.html" title="interface in org.apache.hadoop.mapred">RecordReader</A>&lt;<A HREF="../../../../org/apache/hadoop/mapred/MultiFileInputFormat.html" title="type parameter in MultiFileInputFormat">K</A>,<A HREF="../../../../org/apache/hadoop/mapred/MultiFileInputFormat.html" title="type parameter in MultiFileInputFormat">V</A>&gt;</CODE></FONT></TD>
174<TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapred/MultiFileInputFormat.html#getRecordReader(org.apache.hadoop.mapred.InputSplit, org.apache.hadoop.mapred.JobConf, org.apache.hadoop.mapred.Reporter)">getRecordReader</A></B>(<A HREF="../../../../org/apache/hadoop/mapred/InputSplit.html" title="interface in org.apache.hadoop.mapred">InputSplit</A>&nbsp;split,
175                <A HREF="../../../../org/apache/hadoop/mapred/JobConf.html" title="class in org.apache.hadoop.mapred">JobConf</A>&nbsp;job,
176                <A HREF="../../../../org/apache/hadoop/mapred/Reporter.html" title="interface in org.apache.hadoop.mapred">Reporter</A>&nbsp;reporter)</CODE>
177
178<BR>
179&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>Deprecated.</B>&nbsp;Get the <A HREF="../../../../org/apache/hadoop/mapred/RecordReader.html" title="interface in org.apache.hadoop.mapred"><CODE>RecordReader</CODE></A> for the given <A HREF="../../../../org/apache/hadoop/mapred/InputSplit.html" title="interface in org.apache.hadoop.mapred"><CODE>InputSplit</CODE></A>.</TD>
180</TR>
181<TR BGCOLOR="white" CLASS="TableRowColor">
182<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
183<CODE>&nbsp;<A HREF="../../../../org/apache/hadoop/mapred/InputSplit.html" title="interface in org.apache.hadoop.mapred">InputSplit</A>[]</CODE></FONT></TD>
184<TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapred/MultiFileInputFormat.html#getSplits(org.apache.hadoop.mapred.JobConf, int)">getSplits</A></B>(<A HREF="../../../../org/apache/hadoop/mapred/JobConf.html" title="class in org.apache.hadoop.mapred">JobConf</A>&nbsp;job,
185          int&nbsp;numSplits)</CODE>
186
187<BR>
188&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>Deprecated.</B>&nbsp;Splits files returned by <A HREF="../../../../org/apache/hadoop/mapred/FileInputFormat.html#listStatus(org.apache.hadoop.mapred.JobConf)"><CODE>FileInputFormat.listStatus(JobConf)</CODE></A> when
189 they're too big.</TD>
190</TR>
191</TABLE>
192&nbsp;<A NAME="methods_inherited_from_class_org.apache.hadoop.mapred.FileInputFormat"><!-- --></A>
193<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
194<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
195<TH ALIGN="left"><B>Methods inherited from class org.apache.hadoop.mapred.<A HREF="../../../../org/apache/hadoop/mapred/FileInputFormat.html" title="class in org.apache.hadoop.mapred">FileInputFormat</A></B></TH>
196</TR>
197<TR BGCOLOR="white" CLASS="TableRowColor">
198<TD><CODE><A HREF="../../../../org/apache/hadoop/mapred/FileInputFormat.html#addInputPath(org.apache.hadoop.mapred.JobConf, org.apache.hadoop.fs.Path)">addInputPath</A>, <A HREF="../../../../org/apache/hadoop/mapred/FileInputFormat.html#addInputPaths(org.apache.hadoop.mapred.JobConf, java.lang.String)">addInputPaths</A>, <A HREF="../../../../org/apache/hadoop/mapred/FileInputFormat.html#computeSplitSize(long, long, long)">computeSplitSize</A>, <A HREF="../../../../org/apache/hadoop/mapred/FileInputFormat.html#getBlockIndex(org.apache.hadoop.fs.BlockLocation[], long)">getBlockIndex</A>, <A HREF="../../../../org/apache/hadoop/mapred/FileInputFormat.html#getInputPathFilter(org.apache.hadoop.mapred.JobConf)">getInputPathFilter</A>, <A HREF="../../../../org/apache/hadoop/mapred/FileInputFormat.html#getInputPaths(org.apache.hadoop.mapred.JobConf)">getInputPaths</A>, <A HREF="../../../../org/apache/hadoop/mapred/FileInputFormat.html#getSplitHosts(org.apache.hadoop.fs.BlockLocation[], long, long, org.apache.hadoop.net.NetworkTopology)">getSplitHosts</A>, <A HREF="../../../../org/apache/hadoop/mapred/FileInputFormat.html#isSplitable(org.apache.hadoop.fs.FileSystem, org.apache.hadoop.fs.Path)">isSplitable</A>, <A HREF="../../../../org/apache/hadoop/mapred/FileInputFormat.html#listStatus(org.apache.hadoop.mapred.JobConf)">listStatus</A>, <A HREF="../../../../org/apache/hadoop/mapred/FileInputFormat.html#setInputPathFilter(org.apache.hadoop.mapred.JobConf, java.lang.Class)">setInputPathFilter</A>, <A HREF="../../../../org/apache/hadoop/mapred/FileInputFormat.html#setInputPaths(org.apache.hadoop.mapred.JobConf, org.apache.hadoop.fs.Path...)">setInputPaths</A>, <A HREF="../../../../org/apache/hadoop/mapred/FileInputFormat.html#setInputPaths(org.apache.hadoop.mapred.JobConf, java.lang.String)">setInputPaths</A>, <A HREF="../../../../org/apache/hadoop/mapred/FileInputFormat.html#setMinSplitSize(long)">setMinSplitSize</A></CODE></TD>
199</TR>
200</TABLE>
201&nbsp;<A NAME="methods_inherited_from_class_java.lang.Object"><!-- --></A>
202<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
203<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
204<TH ALIGN="left"><B>Methods inherited from class java.lang.<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A></B></TH>
205</TR>
206<TR BGCOLOR="white" CLASS="TableRowColor">
207<TD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true#clone()" title="class or interface in java.lang">clone</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true#equals(java.lang.Object)" title="class or interface in java.lang">equals</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true#finalize()" title="class or interface in java.lang">finalize</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true#getClass()" title="class or interface in java.lang">getClass</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true#hashCode()" title="class or interface in java.lang">hashCode</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true#notify()" title="class or interface in java.lang">notify</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true#notifyAll()" title="class or interface in java.lang">notifyAll</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true#toString()" title="class or interface in java.lang">toString</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true#wait()" title="class or interface in java.lang">wait</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true#wait(long)" title="class or interface in java.lang">wait</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true#wait(long, int)" title="class or interface in java.lang">wait</A></CODE></TD>
208</TR>
209</TABLE>
210&nbsp;
211<P>
212
213<!-- ========= CONSTRUCTOR DETAIL ======== -->
214
215<A NAME="constructor_detail"><!-- --></A>
216<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
217<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
218<TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2">
219<B>Constructor Detail</B></FONT></TH>
220</TR>
221</TABLE>
222
223<A NAME="MultiFileInputFormat()"><!-- --></A><H3>
224MultiFileInputFormat</H3>
225<PRE>
226public <B>MultiFileInputFormat</B>()</PRE>
227<DL>
228<DD><B>Deprecated.</B>&nbsp;</DL>
229
230<!-- ============ METHOD DETAIL ========== -->
231
232<A NAME="method_detail"><!-- --></A>
233<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
234<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
235<TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2">
236<B>Method Detail</B></FONT></TH>
237</TR>
238</TABLE>
239
240<A NAME="getSplits(org.apache.hadoop.mapred.JobConf, int)"><!-- --></A><H3>
241getSplits</H3>
242<PRE>
243public <A HREF="../../../../org/apache/hadoop/mapred/InputSplit.html" title="interface in org.apache.hadoop.mapred">InputSplit</A>[] <B>getSplits</B>(<A HREF="../../../../org/apache/hadoop/mapred/JobConf.html" title="class in org.apache.hadoop.mapred">JobConf</A>&nbsp;job,
244                              int&nbsp;numSplits)
245                       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>
246<DL>
247<DD><B>Deprecated.</B>&nbsp;<DD><B>Description copied from class: <CODE><A HREF="../../../../org/apache/hadoop/mapred/FileInputFormat.html#getSplits(org.apache.hadoop.mapred.JobConf, int)">FileInputFormat</A></CODE></B></DD>
248<DD>Splits files returned by <A HREF="../../../../org/apache/hadoop/mapred/FileInputFormat.html#listStatus(org.apache.hadoop.mapred.JobConf)"><CODE>FileInputFormat.listStatus(JobConf)</CODE></A> when
249 they're too big.
250<P>
251<DD><DL>
252<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../org/apache/hadoop/mapred/InputFormat.html#getSplits(org.apache.hadoop.mapred.JobConf, int)">getSplits</A></CODE> in interface <CODE><A HREF="../../../../org/apache/hadoop/mapred/InputFormat.html" title="interface in org.apache.hadoop.mapred">InputFormat</A>&lt;<A HREF="../../../../org/apache/hadoop/mapred/MultiFileInputFormat.html" title="type parameter in MultiFileInputFormat">K</A>,<A HREF="../../../../org/apache/hadoop/mapred/MultiFileInputFormat.html" title="type parameter in MultiFileInputFormat">V</A>&gt;</CODE><DT><B>Overrides:</B><DD><CODE><A HREF="../../../../org/apache/hadoop/mapred/FileInputFormat.html#getSplits(org.apache.hadoop.mapred.JobConf, int)">getSplits</A></CODE> in class <CODE><A HREF="../../../../org/apache/hadoop/mapred/FileInputFormat.html" title="class in org.apache.hadoop.mapred">FileInputFormat</A>&lt;<A HREF="../../../../org/apache/hadoop/mapred/MultiFileInputFormat.html" title="type parameter in MultiFileInputFormat">K</A>,<A HREF="../../../../org/apache/hadoop/mapred/MultiFileInputFormat.html" title="type parameter in MultiFileInputFormat">V</A>&gt;</CODE></DL>
253</DD>
254<DD><DL>
255<DT><B>Parameters:</B><DD><CODE>job</CODE> - job configuration.<DD><CODE>numSplits</CODE> - the desired number of splits, a hint.
256<DT><B>Returns:</B><DD>an array of <A HREF="../../../../org/apache/hadoop/mapred/InputSplit.html" title="interface in org.apache.hadoop.mapred"><CODE>InputSplit</CODE></A>s for the job.
257<DT><B>Throws:</B>
258<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>
259</DD>
260</DL>
261<HR>
262
263<A NAME="getRecordReader(org.apache.hadoop.mapred.InputSplit, org.apache.hadoop.mapred.JobConf, org.apache.hadoop.mapred.Reporter)"><!-- --></A><H3>
264getRecordReader</H3>
265<PRE>
266public abstract <A HREF="../../../../org/apache/hadoop/mapred/RecordReader.html" title="interface in org.apache.hadoop.mapred">RecordReader</A>&lt;<A HREF="../../../../org/apache/hadoop/mapred/MultiFileInputFormat.html" title="type parameter in MultiFileInputFormat">K</A>,<A HREF="../../../../org/apache/hadoop/mapred/MultiFileInputFormat.html" title="type parameter in MultiFileInputFormat">V</A>&gt; <B>getRecordReader</B>(<A HREF="../../../../org/apache/hadoop/mapred/InputSplit.html" title="interface in org.apache.hadoop.mapred">InputSplit</A>&nbsp;split,
267                                                  <A HREF="../../../../org/apache/hadoop/mapred/JobConf.html" title="class in org.apache.hadoop.mapred">JobConf</A>&nbsp;job,
268                                                  <A HREF="../../../../org/apache/hadoop/mapred/Reporter.html" title="interface in org.apache.hadoop.mapred">Reporter</A>&nbsp;reporter)
269                                           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>
270<DL>
271<DD><B>Deprecated.</B>&nbsp;<DD><B>Description copied from interface: <CODE><A HREF="../../../../org/apache/hadoop/mapred/InputFormat.html#getRecordReader(org.apache.hadoop.mapred.InputSplit, org.apache.hadoop.mapred.JobConf, org.apache.hadoop.mapred.Reporter)">InputFormat</A></CODE></B></DD>
272<DD>Get the <A HREF="../../../../org/apache/hadoop/mapred/RecordReader.html" title="interface in org.apache.hadoop.mapred"><CODE>RecordReader</CODE></A> for the given <A HREF="../../../../org/apache/hadoop/mapred/InputSplit.html" title="interface in org.apache.hadoop.mapred"><CODE>InputSplit</CODE></A>.
273
274 <p>It is the responsibility of the <code>RecordReader</code> to respect
275 record boundaries while processing the logical split to present a
276 record-oriented view to the individual task.</p>
277<P>
278<DD><DL>
279<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../org/apache/hadoop/mapred/InputFormat.html#getRecordReader(org.apache.hadoop.mapred.InputSplit, org.apache.hadoop.mapred.JobConf, org.apache.hadoop.mapred.Reporter)">getRecordReader</A></CODE> in interface <CODE><A HREF="../../../../org/apache/hadoop/mapred/InputFormat.html" title="interface in org.apache.hadoop.mapred">InputFormat</A>&lt;<A HREF="../../../../org/apache/hadoop/mapred/MultiFileInputFormat.html" title="type parameter in MultiFileInputFormat">K</A>,<A HREF="../../../../org/apache/hadoop/mapred/MultiFileInputFormat.html" title="type parameter in MultiFileInputFormat">V</A>&gt;</CODE><DT><B>Specified by:</B><DD><CODE><A HREF="../../../../org/apache/hadoop/mapred/FileInputFormat.html#getRecordReader(org.apache.hadoop.mapred.InputSplit, org.apache.hadoop.mapred.JobConf, org.apache.hadoop.mapred.Reporter)">getRecordReader</A></CODE> in class <CODE><A HREF="../../../../org/apache/hadoop/mapred/FileInputFormat.html" title="class in org.apache.hadoop.mapred">FileInputFormat</A>&lt;<A HREF="../../../../org/apache/hadoop/mapred/MultiFileInputFormat.html" title="type parameter in MultiFileInputFormat">K</A>,<A HREF="../../../../org/apache/hadoop/mapred/MultiFileInputFormat.html" title="type parameter in MultiFileInputFormat">V</A>&gt;</CODE></DL>
280</DD>
281<DD><DL>
282<DT><B>Parameters:</B><DD><CODE>split</CODE> - the <A HREF="../../../../org/apache/hadoop/mapred/InputSplit.html" title="interface in org.apache.hadoop.mapred"><CODE>InputSplit</CODE></A><DD><CODE>job</CODE> - the job that this split belongs to
283<DT><B>Returns:</B><DD>a <A HREF="../../../../org/apache/hadoop/mapred/RecordReader.html" title="interface in org.apache.hadoop.mapred"><CODE>RecordReader</CODE></A>
284<DT><B>Throws:</B>
285<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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