source: proiecte/HadoopJUnit/hadoop-0.20.1/docs/api/org/apache/hadoop/mapreduce/lib/input/FileSplit.html @ 120

Last change on this file since 120 was 120, checked in by (none), 14 years ago

Added the mail files for the Hadoop JUNit Project
  • Property svn:executable set to *
File size: 22.2 KB
Line 
1<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
2<!--NewPage-->
3<HTML>
4<HEAD>
5<!-- Generated by javadoc (build 1.6.0_07) on Tue Sep 01 20:56:58 UTC 2009 -->
6<TITLE>
7FileSplit (Hadoop 0.20.1 API)
8</TITLE>
9
10<META NAME="date" CONTENT="2009-09-01">
11
12<LINK REL ="stylesheet" TYPE="text/css" HREF="../../../../../../stylesheet.css" TITLE="Style">
13
14<SCRIPT type="text/javascript">
15function windowTitle()
16{
17    if (location.href.indexOf('is-external=true') == -1) {
18        parent.document.title="FileSplit (Hadoop 0.20.1 API)";
19    }
20}
21</SCRIPT>
22<NOSCRIPT>
23</NOSCRIPT>
24
25</HEAD>
26
27<BODY BGCOLOR="white" onload="windowTitle();">
28<HR>
29
30
31<!-- ========= START OF TOP NAVBAR ======= -->
32<A NAME="navbar_top"><!-- --></A>
33<A HREF="#skip-navbar_top" title="Skip navigation links"></A>
34<TABLE BORDER="0" WIDTH="100%" CELLPADDING="1" CELLSPACING="0" SUMMARY="">
35<TR>
36<TD COLSPAN=2 BGCOLOR="#EEEEFF" CLASS="NavBarCell1">
37<A NAME="navbar_top_firstrow"><!-- --></A>
38<TABLE BORDER="0" CELLPADDING="0" CELLSPACING="3" SUMMARY="">
39  <TR ALIGN="center" VALIGN="top">
40  <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1">    <A HREF="../../../../../../overview-summary.html"><FONT CLASS="NavBarFont1"><B>Overview</B></FONT></A>&nbsp;</TD>
41  <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1">    <A HREF="package-summary.html"><FONT CLASS="NavBarFont1"><B>Package</B></FONT></A>&nbsp;</TD>
42  <TD BGCOLOR="#FFFFFF" CLASS="NavBarCell1Rev"> &nbsp;<FONT CLASS="NavBarFont1Rev"><B>Class</B></FONT>&nbsp;</TD>
43  <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1">    <A HREF="class-use/FileSplit.html"><FONT CLASS="NavBarFont1"><B>Use</B></FONT></A>&nbsp;</TD>
44  <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1">    <A HREF="package-tree.html"><FONT CLASS="NavBarFont1"><B>Tree</B></FONT></A>&nbsp;</TD>
45  <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1">    <A HREF="../../../../../../deprecated-list.html"><FONT CLASS="NavBarFont1"><B>Deprecated</B></FONT></A>&nbsp;</TD>
46  <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1">    <A HREF="../../../../../../index-all.html"><FONT CLASS="NavBarFont1"><B>Index</B></FONT></A>&nbsp;</TD>
47  <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1">    <A HREF="../../../../../../help-doc.html"><FONT CLASS="NavBarFont1"><B>Help</B></FONT></A>&nbsp;</TD>
48  </TR>
49</TABLE>
50</TD>
51<TD ALIGN="right" VALIGN="top" ROWSPAN=3><EM>
52</EM>
53</TD>
54</TR>
55
56<TR>
57<TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2">
58&nbsp;<A HREF="../../../../../../org/apache/hadoop/mapreduce/lib/input/FileInputFormat.html" title="class in org.apache.hadoop.mapreduce.lib.input"><B>PREV CLASS</B></A>&nbsp;
59&nbsp;<A HREF="../../../../../../org/apache/hadoop/mapreduce/lib/input/InvalidInputException.html" title="class in org.apache.hadoop.mapreduce.lib.input"><B>NEXT CLASS</B></A></FONT></TD>
60<TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2">
61  <A HREF="../../../../../../index.html?org/apache/hadoop/mapreduce/lib/input/FileSplit.html" target="_top"><B>FRAMES</B></A>  &nbsp;
62&nbsp;<A HREF="FileSplit.html" target="_top"><B>NO FRAMES</B></A>  &nbsp;
63&nbsp;<SCRIPT type="text/javascript">
64  <!--
65  if(window==top) {
66    document.writeln('<A HREF="../../../../../../allclasses-noframe.html"><B>All Classes</B></A>');
67  }
68  //-->
69</SCRIPT>
70<NOSCRIPT>
71  <A HREF="../../../../../../allclasses-noframe.html"><B>All Classes</B></A>
72</NOSCRIPT>
73
74
75</FONT></TD>
76</TR>
77<TR>
78<TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2">
79  SUMMARY:&nbsp;NESTED&nbsp;|&nbsp;FIELD&nbsp;|&nbsp;<A HREF="#constructor_summary">CONSTR</A>&nbsp;|&nbsp;<A HREF="#method_summary">METHOD</A></FONT></TD>
80<TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2">
81DETAIL:&nbsp;FIELD&nbsp;|&nbsp;<A HREF="#constructor_detail">CONSTR</A>&nbsp;|&nbsp;<A HREF="#method_detail">METHOD</A></FONT></TD>
82</TR>
83</TABLE>
84<A NAME="skip-navbar_top"></A>
85<!-- ========= END OF TOP NAVBAR ========= -->
86
87<HR>
88<!-- ======== START OF CLASS DATA ======== -->
89<H2>
90<FONT SIZE="-1">
91org.apache.hadoop.mapreduce.lib.input</FONT>
92<BR>
93Class FileSplit</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/mapreduce/InputSplit.html" title="class in org.apache.hadoop.mapreduce">org.apache.hadoop.mapreduce.InputSplit</A>
97      <IMG SRC="../../../../../../resources/inherit.gif" ALT="extended by "><B>org.apache.hadoop.mapreduce.lib.input.FileSplit</B>
98</PRE>
99<DL>
100<DT><B>All Implemented Interfaces:</B> <DD><A HREF="../../../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</A></DD>
101</DL>
102<HR>
103<DL>
104<DT><PRE>public class <B>FileSplit</B><DT>extends <A HREF="../../../../../../org/apache/hadoop/mapreduce/InputSplit.html" title="class in org.apache.hadoop.mapreduce">InputSplit</A><DT>implements <A HREF="../../../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</A></DL>
105</PRE>
106
107<P>
108A section of an input file.  Returned by <A HREF="../../../../../../org/apache/hadoop/mapreduce/InputFormat.html#getSplits(org.apache.hadoop.mapreduce.JobContext)"><CODE>InputFormat.getSplits(JobContext)</CODE></A> and passed to
109 <A HREF="../../../../../../org/apache/hadoop/mapreduce/InputFormat.html#createRecordReader(org.apache.hadoop.mapreduce.InputSplit, org.apache.hadoop.mapreduce.TaskAttemptContext)"><CODE>InputFormat.createRecordReader(InputSplit,TaskAttemptContext)</CODE></A>.
110<P>
111
112<P>
113<HR>
114
115<P>
116
117<!-- ======== CONSTRUCTOR SUMMARY ======== -->
118
119<A NAME="constructor_summary"><!-- --></A>
120<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
121<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
122<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
123<B>Constructor Summary</B></FONT></TH>
124</TR>
125<TR BGCOLOR="white" CLASS="TableRowColor">
126<TD><CODE><B><A HREF="../../../../../../org/apache/hadoop/mapreduce/lib/input/FileSplit.html#FileSplit(org.apache.hadoop.fs.Path, long, long, java.lang.String[])">FileSplit</A></B>(<A HREF="../../../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</A>&nbsp;file,
127          long&nbsp;start,
128          long&nbsp;length,
129          <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;hosts)</CODE>
130
131<BR>
132&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Constructs a split with host information</TD>
133</TR>
134</TABLE>
135&nbsp;
136<!-- ========== METHOD SUMMARY =========== -->
137
138<A NAME="method_summary"><!-- --></A>
139<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
140<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
141<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
142<B>Method Summary</B></FONT></TH>
143</TR>
144<TR BGCOLOR="white" CLASS="TableRowColor">
145<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
146<CODE>&nbsp;long</CODE></FONT></TD>
147<TD><CODE><B><A HREF="../../../../../../org/apache/hadoop/mapreduce/lib/input/FileSplit.html#getLength()">getLength</A></B>()</CODE>
148
149<BR>
150&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The number of bytes in the file to process.</TD>
151</TR>
152<TR BGCOLOR="white" CLASS="TableRowColor">
153<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
154<CODE>&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>
155<TD><CODE><B><A HREF="../../../../../../org/apache/hadoop/mapreduce/lib/input/FileSplit.html#getLocations()">getLocations</A></B>()</CODE>
156
157<BR>
158&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Get the list of nodes by name where the data for the split would be local.</TD>
159</TR>
160<TR BGCOLOR="white" CLASS="TableRowColor">
161<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
162<CODE>&nbsp;<A HREF="../../../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</A></CODE></FONT></TD>
163<TD><CODE><B><A HREF="../../../../../../org/apache/hadoop/mapreduce/lib/input/FileSplit.html#getPath()">getPath</A></B>()</CODE>
164
165<BR>
166&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The file containing this split's data.</TD>
167</TR>
168<TR BGCOLOR="white" CLASS="TableRowColor">
169<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
170<CODE>&nbsp;long</CODE></FONT></TD>
171<TD><CODE><B><A HREF="../../../../../../org/apache/hadoop/mapreduce/lib/input/FileSplit.html#getStart()">getStart</A></B>()</CODE>
172
173<BR>
174&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The position of the first byte in the file to process.</TD>
175</TR>
176<TR BGCOLOR="white" CLASS="TableRowColor">
177<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
178<CODE>&nbsp;void</CODE></FONT></TD>
179<TD><CODE><B><A HREF="../../../../../../org/apache/hadoop/mapreduce/lib/input/FileSplit.html#readFields(java.io.DataInput)">readFields</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/io/DataInput.html?is-external=true" title="class or interface in java.io">DataInput</A>&nbsp;in)</CODE>
180
181<BR>
182&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Deserialize the fields of this object from <code>in</code>.</TD>
183</TR>
184<TR BGCOLOR="white" CLASS="TableRowColor">
185<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
186<CODE>&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>
187<TD><CODE><B><A HREF="../../../../../../org/apache/hadoop/mapreduce/lib/input/FileSplit.html#toString()">toString</A></B>()</CODE>
188
189<BR>
190&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
191</TR>
192<TR BGCOLOR="white" CLASS="TableRowColor">
193<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
194<CODE>&nbsp;void</CODE></FONT></TD>
195<TD><CODE><B><A HREF="../../../../../../org/apache/hadoop/mapreduce/lib/input/FileSplit.html#write(java.io.DataOutput)">write</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/io/DataOutput.html?is-external=true" title="class or interface in java.io">DataOutput</A>&nbsp;out)</CODE>
196
197<BR>
198&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Serialize the fields of this object to <code>out</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#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="FileSplit(org.apache.hadoop.fs.Path, long, long, java.lang.String[])"><!-- --></A><H3>
224FileSplit</H3>
225<PRE>
226public <B>FileSplit</B>(<A HREF="../../../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</A>&nbsp;file,
227                 long&nbsp;start,
228                 long&nbsp;length,
229                 <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;hosts)</PRE>
230<DL>
231<DD>Constructs a split with host information
232<P>
233<DL>
234<DT><B>Parameters:</B><DD><CODE>file</CODE> - the file name<DD><CODE>start</CODE> - the position of the first byte in the file to process<DD><CODE>length</CODE> - the number of bytes in the file to process<DD><CODE>hosts</CODE> - the list of hosts containing the block, possibly null</DL>
235</DL>
236
237<!-- ============ METHOD DETAIL ========== -->
238
239<A NAME="method_detail"><!-- --></A>
240<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
241<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
242<TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2">
243<B>Method Detail</B></FONT></TH>
244</TR>
245</TABLE>
246
247<A NAME="getPath()"><!-- --></A><H3>
248getPath</H3>
249<PRE>
250public <A HREF="../../../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</A> <B>getPath</B>()</PRE>
251<DL>
252<DD>The file containing this split's data.
253<P>
254<DD><DL>
255</DL>
256</DD>
257<DD><DL>
258</DL>
259</DD>
260</DL>
261<HR>
262
263<A NAME="getStart()"><!-- --></A><H3>
264getStart</H3>
265<PRE>
266public long <B>getStart</B>()</PRE>
267<DL>
268<DD>The position of the first byte in the file to process.
269<P>
270<DD><DL>
271</DL>
272</DD>
273<DD><DL>
274</DL>
275</DD>
276</DL>
277<HR>
278
279<A NAME="getLength()"><!-- --></A><H3>
280getLength</H3>
281<PRE>
282public long <B>getLength</B>()</PRE>
283<DL>
284<DD>The number of bytes in the file to process.
285<P>
286<DD><DL>
287<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../../../org/apache/hadoop/mapreduce/InputSplit.html#getLength()">getLength</A></CODE> in class <CODE><A HREF="../../../../../../org/apache/hadoop/mapreduce/InputSplit.html" title="class in org.apache.hadoop.mapreduce">InputSplit</A></CODE></DL>
288</DD>
289<DD><DL>
290
291<DT><B>Returns:</B><DD>the number of bytes in the split</DL>
292</DD>
293</DL>
294<HR>
295
296<A NAME="toString()"><!-- --></A><H3>
297toString</H3>
298<PRE>
299public <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>toString</B>()</PRE>
300<DL>
301<DD><DL>
302<DT><B>Overrides:</B><DD><CODE><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></CODE> in class <CODE><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></CODE></DL>
303</DD>
304<DD><DL>
305</DL>
306</DD>
307</DL>
308<HR>
309
310<A NAME="write(java.io.DataOutput)"><!-- --></A><H3>
311write</H3>
312<PRE>
313public void <B>write</B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/io/DataOutput.html?is-external=true" title="class or interface in java.io">DataOutput</A>&nbsp;out)
314           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>
315<DL>
316<DD><B>Description copied from interface: <CODE><A HREF="../../../../../../org/apache/hadoop/io/Writable.html#write(java.io.DataOutput)">Writable</A></CODE></B></DD>
317<DD>Serialize the fields of this object to <code>out</code>.
318<P>
319<DD><DL>
320<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../../../org/apache/hadoop/io/Writable.html#write(java.io.DataOutput)">write</A></CODE> in interface <CODE><A HREF="../../../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</A></CODE></DL>
321</DD>
322<DD><DL>
323<DT><B>Parameters:</B><DD><CODE>out</CODE> - <code>DataOuput</code> to serialize this object into.
324<DT><B>Throws:</B>
325<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>
326</DD>
327</DL>
328<HR>
329
330<A NAME="readFields(java.io.DataInput)"><!-- --></A><H3>
331readFields</H3>
332<PRE>
333public void <B>readFields</B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/io/DataInput.html?is-external=true" title="class or interface in java.io">DataInput</A>&nbsp;in)
334                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>
335<DL>
336<DD><B>Description copied from interface: <CODE><A HREF="../../../../../../org/apache/hadoop/io/Writable.html#readFields(java.io.DataInput)">Writable</A></CODE></B></DD>
337<DD>Deserialize the fields of this object from <code>in</code>. 
338 
339 <p>For efficiency, implementations should attempt to re-use storage in the
340 existing object where possible.</p>
341<P>
342<DD><DL>
343<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../../../org/apache/hadoop/io/Writable.html#readFields(java.io.DataInput)">readFields</A></CODE> in interface <CODE><A HREF="../../../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</A></CODE></DL>
344</DD>
345<DD><DL>
346<DT><B>Parameters:</B><DD><CODE>in</CODE> - <code>DataInput</code> to deseriablize this object from.
347<DT><B>Throws:</B>
348<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>
349</DD>
350</DL>
351<HR>
352
353<A NAME="getLocations()"><!-- --></A><H3>
354getLocations</H3>
355<PRE>
356public <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>()
357                      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>
358<DL>
359<DD><B>Description copied from class: <CODE><A HREF="../../../../../../org/apache/hadoop/mapreduce/InputSplit.html#getLocations()">InputSplit</A></CODE></B></DD>
360<DD>Get the list of nodes by name where the data for the split would be local.
361 The locations do not need to be serialized.
362<P>
363<DD><DL>
364<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../../../org/apache/hadoop/mapreduce/InputSplit.html#getLocations()">getLocations</A></CODE> in class <CODE><A HREF="../../../../../../org/apache/hadoop/mapreduce/InputSplit.html" title="class in org.apache.hadoop.mapreduce">InputSplit</A></CODE></DL>
365</DD>
366<DD><DL>
367
368<DT><B>Returns:</B><DD>a new array of the node nodes.
369<DT><B>Throws:</B>
370<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>
371</DD>
372</DL>
373<!-- ========= END OF CLASS DATA ========= -->
374<HR>
375
376
377<!-- ======= START OF BOTTOM NAVBAR ====== -->
378<A NAME="navbar_bottom"><!-- --></A>
379<A HREF="#skip-navbar_bottom" title="Skip navigation links"></A>
380<TABLE BORDER="0" WIDTH="100%" CELLPADDING="1" CELLSPACING="0" SUMMARY="">
381<TR>
382<TD COLSPAN=2 BGCOLOR="#EEEEFF" CLASS="NavBarCell1">
383<A NAME="navbar_bottom_firstrow"><!-- --></A>
384<TABLE BORDER="0" CELLPADDING="0" CELLSPACING="3" SUMMARY="">
385  <TR ALIGN="center" VALIGN="top">
386  <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1">    <A HREF="../../../../../../overview-summary.html"><FONT CLASS="NavBarFont1"><B>Overview</B></FONT></A>&nbsp;</TD>
387  <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1">    <A HREF="package-summary.html"><FONT CLASS="NavBarFont1"><B>Package</B></FONT></A>&nbsp;</TD>
388  <TD BGCOLOR="#FFFFFF" CLASS="NavBarCell1Rev"> &nbsp;<FONT CLASS="NavBarFont1Rev"><B>Class</B></FONT>&nbsp;</TD>
389  <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1">    <A HREF="class-use/FileSplit.html"><FONT CLASS="NavBarFont1"><B>Use</B></FONT></A>&nbsp;</TD>
390  <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1">    <A HREF="package-tree.html"><FONT CLASS="NavBarFont1"><B>Tree</B></FONT></A>&nbsp;</TD>
391  <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1">    <A HREF="../../../../../../deprecated-list.html"><FONT CLASS="NavBarFont1"><B>Deprecated</B></FONT></A>&nbsp;</TD>
392  <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1">    <A HREF="../../../../../../index-all.html"><FONT CLASS="NavBarFont1"><B>Index</B></FONT></A>&nbsp;</TD>
393  <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1">    <A HREF="../../../../../../help-doc.html"><FONT CLASS="NavBarFont1"><B>Help</B></FONT></A>&nbsp;</TD>
394  </TR>
395</TABLE>
396</TD>
397<TD ALIGN="right" VALIGN="top" ROWSPAN=3><EM>
398</EM>
399</TD>
400</TR>
401
402<TR>
403<TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2">
404&nbsp;<A HREF="../../../../../../org/apache/hadoop/mapreduce/lib/input/FileInputFormat.html" title="class in org.apache.hadoop.mapreduce.lib.input"><B>PREV CLASS</B></A>&nbsp;
405&nbsp;<A HREF="../../../../../../org/apache/hadoop/mapreduce/lib/input/InvalidInputException.html" title="class in org.apache.hadoop.mapreduce.lib.input"><B>NEXT CLASS</B></A></FONT></TD>
406<TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2">
407  <A HREF="../../../../../../index.html?org/apache/hadoop/mapreduce/lib/input/FileSplit.html" target="_top"><B>FRAMES</B></A>  &nbsp;
408&nbsp;<A HREF="FileSplit.html" target="_top"><B>NO FRAMES</B></A>  &nbsp;
409&nbsp;<SCRIPT type="text/javascript">
410  <!--
411  if(window==top) {
412    document.writeln('<A HREF="../../../../../../allclasses-noframe.html"><B>All Classes</B></A>');
413  }
414  //-->
415</SCRIPT>
416<NOSCRIPT>
417  <A HREF="../../../../../../allclasses-noframe.html"><B>All Classes</B></A>
418</NOSCRIPT>
419
420
421</FONT></TD>
422</TR>
423<TR>
424<TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2">
425  SUMMARY:&nbsp;NESTED&nbsp;|&nbsp;FIELD&nbsp;|&nbsp;<A HREF="#constructor_summary">CONSTR</A>&nbsp;|&nbsp;<A HREF="#method_summary">METHOD</A></FONT></TD>
426<TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2">
427DETAIL:&nbsp;FIELD&nbsp;|&nbsp;<A HREF="#constructor_detail">CONSTR</A>&nbsp;|&nbsp;<A HREF="#method_detail">METHOD</A></FONT></TD>
428</TR>
429</TABLE>
430<A NAME="skip-navbar_bottom"></A>
431<!-- ======== END OF BOTTOM NAVBAR ======= -->
432
433<HR>
434Copyright &copy; 2009 The Apache Software Foundation
435</BODY>
436</HTML>
Note: See TracBrowser for help on using the repository browser.