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7FileInputFormat (Hadoop 0.20.1 API)
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79  SUMMARY:&nbsp;NESTED&nbsp;|&nbsp;<A HREF="#field_summary">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 FileInputFormat&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 "><B>org.apache.hadoop.mapred.FileInputFormat&lt;K,V&gt;</B>
97</PRE>
98<DL>
99<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>
100</DL>
101<DL>
102<DT><B>Direct Known Subclasses:</B> <DD><A HREF="../../../../org/apache/hadoop/mapred/lib/CombineFileInputFormat.html" title="class in org.apache.hadoop.mapred.lib">CombineFileInputFormat</A>, <A HREF="../../../../org/apache/hadoop/mapred/KeyValueTextInputFormat.html" title="class in org.apache.hadoop.mapred">KeyValueTextInputFormat</A>, <A HREF="../../../../org/apache/hadoop/contrib/index/example/LineDocInputFormat.html" title="class in org.apache.hadoop.contrib.index.example">LineDocInputFormat</A>, <A HREF="../../../../org/apache/hadoop/mapred/MultiFileInputFormat.html" title="class in org.apache.hadoop.mapred">MultiFileInputFormat</A>, <A HREF="../../../../org/apache/hadoop/mapred/lib/NLineInputFormat.html" title="class in org.apache.hadoop.mapred.lib">NLineInputFormat</A>, <A HREF="../../../../org/apache/hadoop/mapred/SequenceFileInputFormat.html" title="class in org.apache.hadoop.mapred">SequenceFileInputFormat</A>, <A HREF="../../../../org/apache/hadoop/examples/terasort/TeraInputFormat.html" title="class in org.apache.hadoop.examples.terasort">TeraInputFormat</A>, <A HREF="../../../../org/apache/hadoop/mapred/TextInputFormat.html" title="class in org.apache.hadoop.mapred">TextInputFormat</A></DD>
103</DL>
104<HR>
105<B>Deprecated.</B>&nbsp;<I>Use <A HREF="../../../../org/apache/hadoop/mapreduce/lib/input/FileInputFormat.html" title="class in org.apache.hadoop.mapreduce.lib.input"><CODE>FileInputFormat</CODE></A>
106  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>FileInputFormat&lt;K,V&gt;</B><DT>extends <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><DT>implements <A HREF="../../../../org/apache/hadoop/mapred/InputFormat.html" title="interface in org.apache.hadoop.mapred">InputFormat</A>&lt;K,V&gt;</DL>
111</PRE>
112
113<P>
114A base class for file-based <A HREF="../../../../org/apache/hadoop/mapred/InputFormat.html" title="interface in org.apache.hadoop.mapred"><CODE>InputFormat</CODE></A>.
115 
116 <p><code>FileInputFormat</code> is the base class for all file-based
117 <code>InputFormat</code>s. This provides a generic implementation of
118 <A HREF="../../../../org/apache/hadoop/mapred/FileInputFormat.html#getSplits(org.apache.hadoop.mapred.JobConf, int)"><CODE>getSplits(JobConf, int)</CODE></A>.
119 Subclasses of <code>FileInputFormat</code> can also override the
120 <A HREF="../../../../org/apache/hadoop/mapred/FileInputFormat.html#isSplitable(org.apache.hadoop.fs.FileSystem, org.apache.hadoop.fs.Path)"><CODE>isSplitable(FileSystem, Path)</CODE></A> method to ensure input-files are
121 not split-up and are processed as a whole by <A HREF="../../../../org/apache/hadoop/mapred/Mapper.html" title="interface in org.apache.hadoop.mapred"><CODE>Mapper</CODE></A>s.
122<P>
123
124<P>
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<TR BGCOLOR="white" CLASS="TableRowColor">
137<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
138<CODE>static&nbsp;org.apache.commons.logging.Log</CODE></FONT></TD>
139<TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapred/FileInputFormat.html#LOG">LOG</A></B></CODE>
140
141<BR>
142&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>Deprecated.</B>&nbsp;&nbsp;</TD>
143</TR>
144</TABLE>
145&nbsp;
146<!-- ======== CONSTRUCTOR SUMMARY ======== -->
147
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152<B>Constructor Summary</B></FONT></TH>
153</TR>
154<TR BGCOLOR="white" CLASS="TableRowColor">
155<TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapred/FileInputFormat.html#FileInputFormat()">FileInputFormat</A></B>()</CODE>
156
157<BR>
158&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>Deprecated.</B>&nbsp;&nbsp;</TD>
159</TR>
160</TABLE>
161&nbsp;
162<!-- ========== METHOD SUMMARY =========== -->
163
164<A NAME="method_summary"><!-- --></A>
165<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
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167<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
168<B>Method Summary</B></FONT></TH>
169</TR>
170<TR BGCOLOR="white" CLASS="TableRowColor">
171<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
172<CODE>static&nbsp;void</CODE></FONT></TD>
173<TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapred/FileInputFormat.html#addInputPath(org.apache.hadoop.mapred.JobConf, org.apache.hadoop.fs.Path)">addInputPath</A></B>(<A HREF="../../../../org/apache/hadoop/mapred/JobConf.html" title="class in org.apache.hadoop.mapred">JobConf</A>&nbsp;conf,
174             <A HREF="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</A>&nbsp;path)</CODE>
175
176<BR>
177&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>Deprecated.</B>&nbsp;Add a <A HREF="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs"><CODE>Path</CODE></A> to the list of inputs for the map-reduce job.</TD>
178</TR>
179<TR BGCOLOR="white" CLASS="TableRowColor">
180<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
181<CODE>static&nbsp;void</CODE></FONT></TD>
182<TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapred/FileInputFormat.html#addInputPaths(org.apache.hadoop.mapred.JobConf, java.lang.String)">addInputPaths</A></B>(<A HREF="../../../../org/apache/hadoop/mapred/JobConf.html" title="class in org.apache.hadoop.mapred">JobConf</A>&nbsp;conf,
183              <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>&nbsp;commaSeparatedPaths)</CODE>
184
185<BR>
186&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>Deprecated.</B>&nbsp;Add the given comma separated paths to the list of inputs for
187  the map-reduce job.</TD>
188</TR>
189<TR BGCOLOR="white" CLASS="TableRowColor">
190<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
191<CODE>protected &nbsp;long</CODE></FONT></TD>
192<TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapred/FileInputFormat.html#computeSplitSize(long, long, long)">computeSplitSize</A></B>(long&nbsp;goalSize,
193                 long&nbsp;minSize,
194                 long&nbsp;blockSize)</CODE>
195
196<BR>
197&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>Deprecated.</B>&nbsp;&nbsp;</TD>
198</TR>
199<TR BGCOLOR="white" CLASS="TableRowColor">
200<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
201<CODE>protected &nbsp;int</CODE></FONT></TD>
202<TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapred/FileInputFormat.html#getBlockIndex(org.apache.hadoop.fs.BlockLocation[], long)">getBlockIndex</A></B>(<A HREF="../../../../org/apache/hadoop/fs/BlockLocation.html" title="class in org.apache.hadoop.fs">BlockLocation</A>[]&nbsp;blkLocations,
203              long&nbsp;offset)</CODE>
204
205<BR>
206&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>Deprecated.</B>&nbsp;&nbsp;</TD>
207</TR>
208<TR BGCOLOR="white" CLASS="TableRowColor">
209<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
210<CODE>static&nbsp;<A HREF="../../../../org/apache/hadoop/fs/PathFilter.html" title="interface in org.apache.hadoop.fs">PathFilter</A></CODE></FONT></TD>
211<TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapred/FileInputFormat.html#getInputPathFilter(org.apache.hadoop.mapred.JobConf)">getInputPathFilter</A></B>(<A HREF="../../../../org/apache/hadoop/mapred/JobConf.html" title="class in org.apache.hadoop.mapred">JobConf</A>&nbsp;conf)</CODE>
212
213<BR>
214&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>Deprecated.</B>&nbsp;Get a PathFilter instance of the filter set for the input paths.</TD>
215</TR>
216<TR BGCOLOR="white" CLASS="TableRowColor">
217<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
218<CODE>static&nbsp;<A HREF="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</A>[]</CODE></FONT></TD>
219<TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapred/FileInputFormat.html#getInputPaths(org.apache.hadoop.mapred.JobConf)">getInputPaths</A></B>(<A HREF="../../../../org/apache/hadoop/mapred/JobConf.html" title="class in org.apache.hadoop.mapred">JobConf</A>&nbsp;conf)</CODE>
220
221<BR>
222&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>Deprecated.</B>&nbsp;Get the list of input <A HREF="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs"><CODE>Path</CODE></A>s for the map-reduce job.</TD>
223</TR>
224<TR BGCOLOR="white" CLASS="TableRowColor">
225<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
226<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/FileInputFormat.html" title="type parameter in FileInputFormat">K</A>,<A HREF="../../../../org/apache/hadoop/mapred/FileInputFormat.html" title="type parameter in FileInputFormat">V</A>&gt;</CODE></FONT></TD>
227<TD><CODE><B><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></B>(<A HREF="../../../../org/apache/hadoop/mapred/InputSplit.html" title="interface in org.apache.hadoop.mapred">InputSplit</A>&nbsp;split,
228                <A HREF="../../../../org/apache/hadoop/mapred/JobConf.html" title="class in org.apache.hadoop.mapred">JobConf</A>&nbsp;job,
229                <A HREF="../../../../org/apache/hadoop/mapred/Reporter.html" title="interface in org.apache.hadoop.mapred">Reporter</A>&nbsp;reporter)</CODE>
230
231<BR>
232&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>
233</TR>
234<TR BGCOLOR="white" CLASS="TableRowColor">
235<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
236<CODE>protected &nbsp;<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>[]</CODE></FONT></TD>
237<TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapred/FileInputFormat.html#getSplitHosts(org.apache.hadoop.fs.BlockLocation[], long, long, org.apache.hadoop.net.NetworkTopology)">getSplitHosts</A></B>(<A HREF="../../../../org/apache/hadoop/fs/BlockLocation.html" title="class in org.apache.hadoop.fs">BlockLocation</A>[]&nbsp;blkLocations,
238              long&nbsp;offset,
239              long&nbsp;splitSize,
240              <A HREF="../../../../org/apache/hadoop/net/NetworkTopology.html" title="class in org.apache.hadoop.net">NetworkTopology</A>&nbsp;clusterMap)</CODE>
241
242<BR>
243&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>Deprecated.</B>&nbsp;This function identifies and returns the hosts that contribute
244 most for a given split.</TD>
245</TR>
246<TR BGCOLOR="white" CLASS="TableRowColor">
247<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
248<CODE>&nbsp;<A HREF="../../../../org/apache/hadoop/mapred/InputSplit.html" title="interface in org.apache.hadoop.mapred">InputSplit</A>[]</CODE></FONT></TD>
249<TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapred/FileInputFormat.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,
250          int&nbsp;numSplits)</CODE>
251
252<BR>
253&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>listStatus(JobConf)</CODE></A> when
254 they're too big.</TD>
255</TR>
256<TR BGCOLOR="white" CLASS="TableRowColor">
257<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
258<CODE>protected &nbsp;boolean</CODE></FONT></TD>
259<TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapred/FileInputFormat.html#isSplitable(org.apache.hadoop.fs.FileSystem, org.apache.hadoop.fs.Path)">isSplitable</A></B>(<A HREF="../../../../org/apache/hadoop/fs/FileSystem.html" title="class in org.apache.hadoop.fs">FileSystem</A>&nbsp;fs,
260            <A HREF="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</A>&nbsp;filename)</CODE>
261
262<BR>
263&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>Deprecated.</B>&nbsp;Is the given filename splitable? Usually, true, but if the file is
264 stream compressed, it will not be.</TD>
265</TR>
266<TR BGCOLOR="white" CLASS="TableRowColor">
267<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
268<CODE>protected &nbsp;<A HREF="../../../../org/apache/hadoop/fs/FileStatus.html" title="class in org.apache.hadoop.fs">FileStatus</A>[]</CODE></FONT></TD>
269<TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapred/FileInputFormat.html#listStatus(org.apache.hadoop.mapred.JobConf)">listStatus</A></B>(<A HREF="../../../../org/apache/hadoop/mapred/JobConf.html" title="class in org.apache.hadoop.mapred">JobConf</A>&nbsp;job)</CODE>
270
271<BR>
272&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>Deprecated.</B>&nbsp;List input directories.</TD>
273</TR>
274<TR BGCOLOR="white" CLASS="TableRowColor">
275<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
276<CODE>static&nbsp;void</CODE></FONT></TD>
277<TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapred/FileInputFormat.html#setInputPathFilter(org.apache.hadoop.mapred.JobConf, java.lang.Class)">setInputPathFilter</A></B>(<A HREF="../../../../org/apache/hadoop/mapred/JobConf.html" title="class in org.apache.hadoop.mapred">JobConf</A>&nbsp;conf,
278                   <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</A>&lt;? extends <A HREF="../../../../org/apache/hadoop/fs/PathFilter.html" title="interface in org.apache.hadoop.fs">PathFilter</A>&gt;&nbsp;filter)</CODE>
279
280<BR>
281&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>Deprecated.</B>&nbsp;Set a PathFilter to be applied to the input paths for the map-reduce job.</TD>
282</TR>
283<TR BGCOLOR="white" CLASS="TableRowColor">
284<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
285<CODE>static&nbsp;void</CODE></FONT></TD>
286<TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapred/FileInputFormat.html#setInputPaths(org.apache.hadoop.mapred.JobConf, org.apache.hadoop.fs.Path...)">setInputPaths</A></B>(<A HREF="../../../../org/apache/hadoop/mapred/JobConf.html" title="class in org.apache.hadoop.mapred">JobConf</A>&nbsp;conf,
287              <A HREF="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</A>...&nbsp;inputPaths)</CODE>
288
289<BR>
290&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>Deprecated.</B>&nbsp;Set the array of <A HREF="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs"><CODE>Path</CODE></A>s as the list of inputs
291 for the map-reduce job.</TD>
292</TR>
293<TR BGCOLOR="white" CLASS="TableRowColor">
294<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
295<CODE>static&nbsp;void</CODE></FONT></TD>
296<TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapred/FileInputFormat.html#setInputPaths(org.apache.hadoop.mapred.JobConf, java.lang.String)">setInputPaths</A></B>(<A HREF="../../../../org/apache/hadoop/mapred/JobConf.html" title="class in org.apache.hadoop.mapred">JobConf</A>&nbsp;conf,
297              <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>&nbsp;commaSeparatedPaths)</CODE>
298
299<BR>
300&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>Deprecated.</B>&nbsp;Sets the given comma separated paths as the list of inputs
301 for the map-reduce job.</TD>
302</TR>
303<TR BGCOLOR="white" CLASS="TableRowColor">
304<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
305<CODE>protected &nbsp;void</CODE></FONT></TD>
306<TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapred/FileInputFormat.html#setMinSplitSize(long)">setMinSplitSize</A></B>(long&nbsp;minSplitSize)</CODE>
307
308<BR>
309&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>Deprecated.</B>&nbsp;&nbsp;</TD>
310</TR>
311</TABLE>
312&nbsp;<A NAME="methods_inherited_from_class_java.lang.Object"><!-- --></A>
313<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
314<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
315<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>
316</TR>
317<TR BGCOLOR="white" CLASS="TableRowColor">
318<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>
319</TR>
320</TABLE>
321&nbsp;
322<P>
323
324<!-- ============ FIELD DETAIL =========== -->
325
326<A NAME="field_detail"><!-- --></A>
327<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
328<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
329<TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2">
330<B>Field Detail</B></FONT></TH>
331</TR>
332</TABLE>
333
334<A NAME="LOG"><!-- --></A><H3>
335LOG</H3>
336<PRE>
337public static final org.apache.commons.logging.Log <B>LOG</B></PRE>
338<DL>
339<DD><B>Deprecated.</B>&nbsp;<DL>
340</DL>
341</DL>
342
343<!-- ========= CONSTRUCTOR DETAIL ======== -->
344
345<A NAME="constructor_detail"><!-- --></A>
346<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
347<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
348<TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2">
349<B>Constructor Detail</B></FONT></TH>
350</TR>
351</TABLE>
352
353<A NAME="FileInputFormat()"><!-- --></A><H3>
354FileInputFormat</H3>
355<PRE>
356public <B>FileInputFormat</B>()</PRE>
357<DL>
358<DD><B>Deprecated.</B>&nbsp;</DL>
359
360<!-- ============ METHOD DETAIL ========== -->
361
362<A NAME="method_detail"><!-- --></A>
363<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
364<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
365<TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2">
366<B>Method Detail</B></FONT></TH>
367</TR>
368</TABLE>
369
370<A NAME="setMinSplitSize(long)"><!-- --></A><H3>
371setMinSplitSize</H3>
372<PRE>
373protected void <B>setMinSplitSize</B>(long&nbsp;minSplitSize)</PRE>
374<DL>
375<DD><B>Deprecated.</B>&nbsp;<DD><DL>
376</DL>
377</DD>
378<DD><DL>
379</DL>
380</DD>
381</DL>
382<HR>
383
384<A NAME="isSplitable(org.apache.hadoop.fs.FileSystem, org.apache.hadoop.fs.Path)"><!-- --></A><H3>
385isSplitable</H3>
386<PRE>
387protected boolean <B>isSplitable</B>(<A HREF="../../../../org/apache/hadoop/fs/FileSystem.html" title="class in org.apache.hadoop.fs">FileSystem</A>&nbsp;fs,
388                              <A HREF="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</A>&nbsp;filename)</PRE>
389<DL>
390<DD><B>Deprecated.</B>&nbsp;<DD>Is the given filename splitable? Usually, true, but if the file is
391 stream compressed, it will not be.
392 
393 <code>FileInputFormat</code> implementations can override this and return
394 <code>false</code> to ensure that individual input files are never split-up
395 so that <A HREF="../../../../org/apache/hadoop/mapred/Mapper.html" title="interface in org.apache.hadoop.mapred"><CODE>Mapper</CODE></A>s process entire files.
396<P>
397<DD><DL>
398</DL>
399</DD>
400<DD><DL>
401<DT><B>Parameters:</B><DD><CODE>fs</CODE> - the file system that the file is on<DD><CODE>filename</CODE> - the file name to check
402<DT><B>Returns:</B><DD>is this file splitable?</DL>
403</DD>
404</DL>
405<HR>
406
407<A NAME="getRecordReader(org.apache.hadoop.mapred.InputSplit, org.apache.hadoop.mapred.JobConf, org.apache.hadoop.mapred.Reporter)"><!-- --></A><H3>
408getRecordReader</H3>
409<PRE>
410public 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/FileInputFormat.html" title="type parameter in FileInputFormat">K</A>,<A HREF="../../../../org/apache/hadoop/mapred/FileInputFormat.html" title="type parameter in FileInputFormat">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,
411                                                  <A HREF="../../../../org/apache/hadoop/mapred/JobConf.html" title="class in org.apache.hadoop.mapred">JobConf</A>&nbsp;job,
412                                                  <A HREF="../../../../org/apache/hadoop/mapred/Reporter.html" title="interface in org.apache.hadoop.mapred">Reporter</A>&nbsp;reporter)
413                                           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>
414<DL>
415<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>
416<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>.
417
418 <p>It is the responsibility of the <code>RecordReader</code> to respect
419 record boundaries while processing the logical split to present a
420 record-oriented view to the individual task.</p>
421<P>
422<DD><DL>
423<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/FileInputFormat.html" title="type parameter in FileInputFormat">K</A>,<A HREF="../../../../org/apache/hadoop/mapred/FileInputFormat.html" title="type parameter in FileInputFormat">V</A>&gt;</CODE></DL>
424</DD>
425<DD><DL>
426<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
427<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>
428<DT><B>Throws:</B>
429<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>
430</DD>
431</DL>
432<HR>
433
434<A NAME="setInputPathFilter(org.apache.hadoop.mapred.JobConf, java.lang.Class)"><!-- --></A><H3>
435setInputPathFilter</H3>
436<PRE>
437public static void <B>setInputPathFilter</B>(<A HREF="../../../../org/apache/hadoop/mapred/JobConf.html" title="class in org.apache.hadoop.mapred">JobConf</A>&nbsp;conf,
438                                      <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</A>&lt;? extends <A HREF="../../../../org/apache/hadoop/fs/PathFilter.html" title="interface in org.apache.hadoop.fs">PathFilter</A>&gt;&nbsp;filter)</PRE>
439<DL>
440<DD><B>Deprecated.</B>&nbsp;<DD>Set a PathFilter to be applied to the input paths for the map-reduce job.
441<P>
442<DD><DL>
443</DL>
444</DD>
445<DD><DL>
446<DT><B>Parameters:</B><DD><CODE>filter</CODE> - the PathFilter class use for filtering the input paths.</DL>
447</DD>
448</DL>
449<HR>
450
451<A NAME="getInputPathFilter(org.apache.hadoop.mapred.JobConf)"><!-- --></A><H3>
452getInputPathFilter</H3>
453<PRE>
454public static <A HREF="../../../../org/apache/hadoop/fs/PathFilter.html" title="interface in org.apache.hadoop.fs">PathFilter</A> <B>getInputPathFilter</B>(<A HREF="../../../../org/apache/hadoop/mapred/JobConf.html" title="class in org.apache.hadoop.mapred">JobConf</A>&nbsp;conf)</PRE>
455<DL>
456<DD><B>Deprecated.</B>&nbsp;<DD>Get a PathFilter instance of the filter set for the input paths.
457<P>
458<DD><DL>
459</DL>
460</DD>
461<DD><DL>
462
463<DT><B>Returns:</B><DD>the PathFilter instance set for the job, NULL if none has been set.</DL>
464</DD>
465</DL>
466<HR>
467
468<A NAME="listStatus(org.apache.hadoop.mapred.JobConf)"><!-- --></A><H3>
469listStatus</H3>
470<PRE>
471protected <A HREF="../../../../org/apache/hadoop/fs/FileStatus.html" title="class in org.apache.hadoop.fs">FileStatus</A>[] <B>listStatus</B>(<A HREF="../../../../org/apache/hadoop/mapred/JobConf.html" title="class in org.apache.hadoop.mapred">JobConf</A>&nbsp;job)
472                           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>
473<DL>
474<DD><B>Deprecated.</B>&nbsp;<DD>List input directories.
475 Subclasses may override to, e.g., select only files matching a regular
476 expression.
477<P>
478<DD><DL>
479</DL>
480</DD>
481<DD><DL>
482<DT><B>Parameters:</B><DD><CODE>job</CODE> - the job to list input paths for
483<DT><B>Returns:</B><DD>array of FileStatus objects
484<DT><B>Throws:</B>
485<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> - if zero items.</DL>
486</DD>
487</DL>
488<HR>
489
490<A NAME="getSplits(org.apache.hadoop.mapred.JobConf, int)"><!-- --></A><H3>
491getSplits</H3>
492<PRE>
493public <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,
494                              int&nbsp;numSplits)
495                       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>
496<DL>
497<DD><B>Deprecated.</B>&nbsp;<DD>Splits files returned by <A HREF="../../../../org/apache/hadoop/mapred/FileInputFormat.html#listStatus(org.apache.hadoop.mapred.JobConf)"><CODE>listStatus(JobConf)</CODE></A> when
498 they're too big.
499<P>
500<DD><DL>
501<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/FileInputFormat.html" title="type parameter in FileInputFormat">K</A>,<A HREF="../../../../org/apache/hadoop/mapred/FileInputFormat.html" title="type parameter in FileInputFormat">V</A>&gt;</CODE></DL>
502</DD>
503<DD><DL>
504<DT><B>Parameters:</B><DD><CODE>job</CODE> - job configuration.<DD><CODE>numSplits</CODE> - the desired number of splits, a hint.
505<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.
506<DT><B>Throws:</B>
507<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>
508</DD>
509</DL>
510<HR>
511
512<A NAME="computeSplitSize(long, long, long)"><!-- --></A><H3>
513computeSplitSize</H3>
514<PRE>
515protected long <B>computeSplitSize</B>(long&nbsp;goalSize,
516                                long&nbsp;minSize,
517                                long&nbsp;blockSize)</PRE>
518<DL>
519<DD><B>Deprecated.</B>&nbsp;<DD><DL>
520</DL>
521</DD>
522<DD><DL>
523</DL>
524</DD>
525</DL>
526<HR>
527
528<A NAME="getBlockIndex(org.apache.hadoop.fs.BlockLocation[], long)"><!-- --></A><H3>
529getBlockIndex</H3>
530<PRE>
531protected int <B>getBlockIndex</B>(<A HREF="../../../../org/apache/hadoop/fs/BlockLocation.html" title="class in org.apache.hadoop.fs">BlockLocation</A>[]&nbsp;blkLocations,
532                            long&nbsp;offset)</PRE>
533<DL>
534<DD><B>Deprecated.</B>&nbsp;<DD><DL>
535</DL>
536</DD>
537<DD><DL>
538</DL>
539</DD>
540</DL>
541<HR>
542
543<A NAME="setInputPaths(org.apache.hadoop.mapred.JobConf, java.lang.String)"><!-- --></A><H3>
544setInputPaths</H3>
545<PRE>
546public static void <B>setInputPaths</B>(<A HREF="../../../../org/apache/hadoop/mapred/JobConf.html" title="class in org.apache.hadoop.mapred">JobConf</A>&nbsp;conf,
547                                 <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>&nbsp;commaSeparatedPaths)</PRE>
548<DL>
549<DD><B>Deprecated.</B>&nbsp;<DD>Sets the given comma separated paths as the list of inputs
550 for the map-reduce job.
551<P>
552<DD><DL>
553</DL>
554</DD>
555<DD><DL>
556<DT><B>Parameters:</B><DD><CODE>conf</CODE> - Configuration of the job<DD><CODE>commaSeparatedPaths</CODE> - Comma separated paths to be set as
557        the list of inputs for the map-reduce job.</DL>
558</DD>
559</DL>
560<HR>
561
562<A NAME="addInputPaths(org.apache.hadoop.mapred.JobConf, java.lang.String)"><!-- --></A><H3>
563addInputPaths</H3>
564<PRE>
565public static void <B>addInputPaths</B>(<A HREF="../../../../org/apache/hadoop/mapred/JobConf.html" title="class in org.apache.hadoop.mapred">JobConf</A>&nbsp;conf,
566                                 <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>&nbsp;commaSeparatedPaths)</PRE>
567<DL>
568<DD><B>Deprecated.</B>&nbsp;<DD>Add the given comma separated paths to the list of inputs for
569  the map-reduce job.
570<P>
571<DD><DL>
572</DL>
573</DD>
574<DD><DL>
575<DT><B>Parameters:</B><DD><CODE>conf</CODE> - The configuration of the job<DD><CODE>commaSeparatedPaths</CODE> - Comma separated paths to be added to
576        the list of inputs for the map-reduce job.</DL>
577</DD>
578</DL>
579<HR>
580
581<A NAME="setInputPaths(org.apache.hadoop.mapred.JobConf, org.apache.hadoop.fs.Path...)"><!-- --></A><H3>
582setInputPaths</H3>
583<PRE>
584public static void <B>setInputPaths</B>(<A HREF="../../../../org/apache/hadoop/mapred/JobConf.html" title="class in org.apache.hadoop.mapred">JobConf</A>&nbsp;conf,
585                                 <A HREF="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</A>...&nbsp;inputPaths)</PRE>
586<DL>
587<DD><B>Deprecated.</B>&nbsp;<DD>Set the array of <A HREF="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs"><CODE>Path</CODE></A>s as the list of inputs
588 for the map-reduce job.
589<P>
590<DD><DL>
591</DL>
592</DD>
593<DD><DL>
594<DT><B>Parameters:</B><DD><CODE>conf</CODE> - Configuration of the job.<DD><CODE>inputPaths</CODE> - the <A HREF="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs"><CODE>Path</CODE></A>s of the input directories/files
595 for the map-reduce job.</DL>
596</DD>
597</DL>
598<HR>
599
600<A NAME="addInputPath(org.apache.hadoop.mapred.JobConf, org.apache.hadoop.fs.Path)"><!-- --></A><H3>
601addInputPath</H3>
602<PRE>
603public static void <B>addInputPath</B>(<A HREF="../../../../org/apache/hadoop/mapred/JobConf.html" title="class in org.apache.hadoop.mapred">JobConf</A>&nbsp;conf,
604                                <A HREF="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</A>&nbsp;path)</PRE>
605<DL>
606<DD><B>Deprecated.</B>&nbsp;<DD>Add a <A HREF="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs"><CODE>Path</CODE></A> to the list of inputs for the map-reduce job.
607<P>
608<DD><DL>
609</DL>
610</DD>
611<DD><DL>
612<DT><B>Parameters:</B><DD><CODE>conf</CODE> - The configuration of the job<DD><CODE>path</CODE> - <A HREF="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs"><CODE>Path</CODE></A> to be added to the list of inputs for
613            the map-reduce job.</DL>
614</DD>
615</DL>
616<HR>
617
618<A NAME="getInputPaths(org.apache.hadoop.mapred.JobConf)"><!-- --></A><H3>
619getInputPaths</H3>
620<PRE>
621public static <A HREF="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</A>[] <B>getInputPaths</B>(<A HREF="../../../../org/apache/hadoop/mapred/JobConf.html" title="class in org.apache.hadoop.mapred">JobConf</A>&nbsp;conf)</PRE>
622<DL>
623<DD><B>Deprecated.</B>&nbsp;<DD>Get the list of input <A HREF="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs"><CODE>Path</CODE></A>s for the map-reduce job.
624<P>
625<DD><DL>
626</DL>
627</DD>
628<DD><DL>
629<DT><B>Parameters:</B><DD><CODE>conf</CODE> - The configuration of the job
630<DT><B>Returns:</B><DD>the list of input <A HREF="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs"><CODE>Path</CODE></A>s for the map-reduce job.</DL>
631</DD>
632</DL>
633<HR>
634
635<A NAME="getSplitHosts(org.apache.hadoop.fs.BlockLocation[], long, long, org.apache.hadoop.net.NetworkTopology)"><!-- --></A><H3>
636getSplitHosts</H3>
637<PRE>
638protected <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>getSplitHosts</B>(<A HREF="../../../../org/apache/hadoop/fs/BlockLocation.html" title="class in org.apache.hadoop.fs">BlockLocation</A>[]&nbsp;blkLocations,
639                                 long&nbsp;offset,
640                                 long&nbsp;splitSize,
641                                 <A HREF="../../../../org/apache/hadoop/net/NetworkTopology.html" title="class in org.apache.hadoop.net">NetworkTopology</A>&nbsp;clusterMap)
642                          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>
643<DL>
644<DD><B>Deprecated.</B>&nbsp;<DD>This function identifies and returns the hosts that contribute
645 most for a given split. For calculating the contribution, rack
646 locality is treated on par with host locality, so hosts from racks
647 that contribute the most are preferred over hosts on racks that
648 contribute less
649<P>
650<DD><DL>
651</DL>
652</DD>
653<DD><DL>
654<DT><B>Parameters:</B><DD><CODE>blkLocations</CODE> - The list of block locations<DD><CODE>offset</CODE> - <DD><CODE>splitSize</CODE> -
655<DT><B>Returns:</B><DD>array of hosts that contribute most to this split
656<DT><B>Throws:</B>
657<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>
658</DD>
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