source: proiecte/HadoopJUnit/hadoop-0.20.1/docs/api/org/apache/hadoop/mapreduce/lib/input/LineRecordReader.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: 22.9 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>
7LineRecordReader (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="LineRecordReader (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/LineRecordReader.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/InvalidInputException.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/SequenceFileInputFormat.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/LineRecordReader.html" target="_top"><B>FRAMES</B></A>  &nbsp;
62&nbsp;<A HREF="LineRecordReader.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 LineRecordReader</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/RecordReader.html" title="class in org.apache.hadoop.mapreduce">org.apache.hadoop.mapreduce.RecordReader</A>&lt;<A HREF="../../../../../../org/apache/hadoop/io/LongWritable.html" title="class in org.apache.hadoop.io">LongWritable</A>,<A HREF="../../../../../../org/apache/hadoop/io/Text.html" title="class in org.apache.hadoop.io">Text</A>&gt;
97      <IMG SRC="../../../../../../resources/inherit.gif" ALT="extended by "><B>org.apache.hadoop.mapreduce.lib.input.LineRecordReader</B>
98</PRE>
99<DL>
100<DT><B>All Implemented Interfaces:</B> <DD><A HREF="http://java.sun.com/javase/6/docs/api/java/io/Closeable.html?is-external=true" title="class or interface in java.io">Closeable</A></DD>
101</DL>
102<HR>
103<DL>
104<DT><PRE>public class <B>LineRecordReader</B><DT>extends <A HREF="../../../../../../org/apache/hadoop/mapreduce/RecordReader.html" title="class in org.apache.hadoop.mapreduce">RecordReader</A>&lt;<A HREF="../../../../../../org/apache/hadoop/io/LongWritable.html" title="class in org.apache.hadoop.io">LongWritable</A>,<A HREF="../../../../../../org/apache/hadoop/io/Text.html" title="class in org.apache.hadoop.io">Text</A>&gt;</DL>
105</PRE>
106
107<P>
108Treats keys as offset in file and value as line.
109<P>
110
111<P>
112<HR>
113
114<P>
115
116<!-- ======== CONSTRUCTOR SUMMARY ======== -->
117
118<A NAME="constructor_summary"><!-- --></A>
119<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
120<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
121<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
122<B>Constructor Summary</B></FONT></TH>
123</TR>
124<TR BGCOLOR="white" CLASS="TableRowColor">
125<TD><CODE><B><A HREF="../../../../../../org/apache/hadoop/mapreduce/lib/input/LineRecordReader.html#LineRecordReader()">LineRecordReader</A></B>()</CODE>
126
127<BR>
128&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
129</TR>
130</TABLE>
131&nbsp;
132<!-- ========== METHOD SUMMARY =========== -->
133
134<A NAME="method_summary"><!-- --></A>
135<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
136<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
137<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
138<B>Method Summary</B></FONT></TH>
139</TR>
140<TR BGCOLOR="white" CLASS="TableRowColor">
141<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
142<CODE>&nbsp;void</CODE></FONT></TD>
143<TD><CODE><B><A HREF="../../../../../../org/apache/hadoop/mapreduce/lib/input/LineRecordReader.html#close()">close</A></B>()</CODE>
144
145<BR>
146&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Close the record reader.</TD>
147</TR>
148<TR BGCOLOR="white" CLASS="TableRowColor">
149<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
150<CODE>&nbsp;<A HREF="../../../../../../org/apache/hadoop/io/LongWritable.html" title="class in org.apache.hadoop.io">LongWritable</A></CODE></FONT></TD>
151<TD><CODE><B><A HREF="../../../../../../org/apache/hadoop/mapreduce/lib/input/LineRecordReader.html#getCurrentKey()">getCurrentKey</A></B>()</CODE>
152
153<BR>
154&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Get the current key</TD>
155</TR>
156<TR BGCOLOR="white" CLASS="TableRowColor">
157<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
158<CODE>&nbsp;<A HREF="../../../../../../org/apache/hadoop/io/Text.html" title="class in org.apache.hadoop.io">Text</A></CODE></FONT></TD>
159<TD><CODE><B><A HREF="../../../../../../org/apache/hadoop/mapreduce/lib/input/LineRecordReader.html#getCurrentValue()">getCurrentValue</A></B>()</CODE>
160
161<BR>
162&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Get the current value.</TD>
163</TR>
164<TR BGCOLOR="white" CLASS="TableRowColor">
165<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
166<CODE>&nbsp;float</CODE></FONT></TD>
167<TD><CODE><B><A HREF="../../../../../../org/apache/hadoop/mapreduce/lib/input/LineRecordReader.html#getProgress()">getProgress</A></B>()</CODE>
168
169<BR>
170&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Get the progress within the split</TD>
171</TR>
172<TR BGCOLOR="white" CLASS="TableRowColor">
173<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
174<CODE>&nbsp;void</CODE></FONT></TD>
175<TD><CODE><B><A HREF="../../../../../../org/apache/hadoop/mapreduce/lib/input/LineRecordReader.html#initialize(org.apache.hadoop.mapreduce.InputSplit, org.apache.hadoop.mapreduce.TaskAttemptContext)">initialize</A></B>(<A HREF="../../../../../../org/apache/hadoop/mapreduce/InputSplit.html" title="class in org.apache.hadoop.mapreduce">InputSplit</A>&nbsp;genericSplit,
176           <A HREF="../../../../../../org/apache/hadoop/mapreduce/TaskAttemptContext.html" title="class in org.apache.hadoop.mapreduce">TaskAttemptContext</A>&nbsp;context)</CODE>
177
178<BR>
179&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Called once at initialization.</TD>
180</TR>
181<TR BGCOLOR="white" CLASS="TableRowColor">
182<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
183<CODE>&nbsp;boolean</CODE></FONT></TD>
184<TD><CODE><B><A HREF="../../../../../../org/apache/hadoop/mapreduce/lib/input/LineRecordReader.html#nextKeyValue()">nextKeyValue</A></B>()</CODE>
185
186<BR>
187&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Read the next key, value pair.</TD>
188</TR>
189</TABLE>
190&nbsp;<A NAME="methods_inherited_from_class_java.lang.Object"><!-- --></A>
191<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
192<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
193<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>
194</TR>
195<TR BGCOLOR="white" CLASS="TableRowColor">
196<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>
197</TR>
198</TABLE>
199&nbsp;
200<P>
201
202<!-- ========= CONSTRUCTOR DETAIL ======== -->
203
204<A NAME="constructor_detail"><!-- --></A>
205<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
206<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
207<TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2">
208<B>Constructor Detail</B></FONT></TH>
209</TR>
210</TABLE>
211
212<A NAME="LineRecordReader()"><!-- --></A><H3>
213LineRecordReader</H3>
214<PRE>
215public <B>LineRecordReader</B>()</PRE>
216<DL>
217</DL>
218
219<!-- ============ METHOD DETAIL ========== -->
220
221<A NAME="method_detail"><!-- --></A>
222<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
223<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
224<TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2">
225<B>Method Detail</B></FONT></TH>
226</TR>
227</TABLE>
228
229<A NAME="initialize(org.apache.hadoop.mapreduce.InputSplit, org.apache.hadoop.mapreduce.TaskAttemptContext)"><!-- --></A><H3>
230initialize</H3>
231<PRE>
232public void <B>initialize</B>(<A HREF="../../../../../../org/apache/hadoop/mapreduce/InputSplit.html" title="class in org.apache.hadoop.mapreduce">InputSplit</A>&nbsp;genericSplit,
233                       <A HREF="../../../../../../org/apache/hadoop/mapreduce/TaskAttemptContext.html" title="class in org.apache.hadoop.mapreduce">TaskAttemptContext</A>&nbsp;context)
234                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>
235<DL>
236<DD><B>Description copied from class: <CODE><A HREF="../../../../../../org/apache/hadoop/mapreduce/RecordReader.html#initialize(org.apache.hadoop.mapreduce.InputSplit, org.apache.hadoop.mapreduce.TaskAttemptContext)">RecordReader</A></CODE></B></DD>
237<DD>Called once at initialization.
238<P>
239<DD><DL>
240<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../../../org/apache/hadoop/mapreduce/RecordReader.html#initialize(org.apache.hadoop.mapreduce.InputSplit, org.apache.hadoop.mapreduce.TaskAttemptContext)">initialize</A></CODE> in class <CODE><A HREF="../../../../../../org/apache/hadoop/mapreduce/RecordReader.html" title="class in org.apache.hadoop.mapreduce">RecordReader</A>&lt;<A HREF="../../../../../../org/apache/hadoop/io/LongWritable.html" title="class in org.apache.hadoop.io">LongWritable</A>,<A HREF="../../../../../../org/apache/hadoop/io/Text.html" title="class in org.apache.hadoop.io">Text</A>&gt;</CODE></DL>
241</DD>
242<DD><DL>
243<DT><B>Parameters:</B><DD><CODE>genericSplit</CODE> - the split that defines the range of records to read<DD><CODE>context</CODE> - the information about the task
244<DT><B>Throws:</B>
245<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>
246</DD>
247</DL>
248<HR>
249
250<A NAME="nextKeyValue()"><!-- --></A><H3>
251nextKeyValue</H3>
252<PRE>
253public boolean <B>nextKeyValue</B>()
254                     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>
255<DL>
256<DD><B>Description copied from class: <CODE><A HREF="../../../../../../org/apache/hadoop/mapreduce/RecordReader.html#nextKeyValue()">RecordReader</A></CODE></B></DD>
257<DD>Read the next key, value pair.
258<P>
259<DD><DL>
260<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../../../org/apache/hadoop/mapreduce/RecordReader.html#nextKeyValue()">nextKeyValue</A></CODE> in class <CODE><A HREF="../../../../../../org/apache/hadoop/mapreduce/RecordReader.html" title="class in org.apache.hadoop.mapreduce">RecordReader</A>&lt;<A HREF="../../../../../../org/apache/hadoop/io/LongWritable.html" title="class in org.apache.hadoop.io">LongWritable</A>,<A HREF="../../../../../../org/apache/hadoop/io/Text.html" title="class in org.apache.hadoop.io">Text</A>&gt;</CODE></DL>
261</DD>
262<DD><DL>
263
264<DT><B>Returns:</B><DD>true if a key/value pair was read
265<DT><B>Throws:</B>
266<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>
267</DD>
268</DL>
269<HR>
270
271<A NAME="getCurrentKey()"><!-- --></A><H3>
272getCurrentKey</H3>
273<PRE>
274public <A HREF="../../../../../../org/apache/hadoop/io/LongWritable.html" title="class in org.apache.hadoop.io">LongWritable</A> <B>getCurrentKey</B>()</PRE>
275<DL>
276<DD><B>Description copied from class: <CODE><A HREF="../../../../../../org/apache/hadoop/mapreduce/RecordReader.html#getCurrentKey()">RecordReader</A></CODE></B></DD>
277<DD>Get the current key
278<P>
279<DD><DL>
280<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../../../org/apache/hadoop/mapreduce/RecordReader.html#getCurrentKey()">getCurrentKey</A></CODE> in class <CODE><A HREF="../../../../../../org/apache/hadoop/mapreduce/RecordReader.html" title="class in org.apache.hadoop.mapreduce">RecordReader</A>&lt;<A HREF="../../../../../../org/apache/hadoop/io/LongWritable.html" title="class in org.apache.hadoop.io">LongWritable</A>,<A HREF="../../../../../../org/apache/hadoop/io/Text.html" title="class in org.apache.hadoop.io">Text</A>&gt;</CODE></DL>
281</DD>
282<DD><DL>
283
284<DT><B>Returns:</B><DD>the current key or null if there is no current key</DL>
285</DD>
286</DL>
287<HR>
288
289<A NAME="getCurrentValue()"><!-- --></A><H3>
290getCurrentValue</H3>
291<PRE>
292public <A HREF="../../../../../../org/apache/hadoop/io/Text.html" title="class in org.apache.hadoop.io">Text</A> <B>getCurrentValue</B>()</PRE>
293<DL>
294<DD><B>Description copied from class: <CODE><A HREF="../../../../../../org/apache/hadoop/mapreduce/RecordReader.html#getCurrentValue()">RecordReader</A></CODE></B></DD>
295<DD>Get the current value.
296<P>
297<DD><DL>
298<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../../../org/apache/hadoop/mapreduce/RecordReader.html#getCurrentValue()">getCurrentValue</A></CODE> in class <CODE><A HREF="../../../../../../org/apache/hadoop/mapreduce/RecordReader.html" title="class in org.apache.hadoop.mapreduce">RecordReader</A>&lt;<A HREF="../../../../../../org/apache/hadoop/io/LongWritable.html" title="class in org.apache.hadoop.io">LongWritable</A>,<A HREF="../../../../../../org/apache/hadoop/io/Text.html" title="class in org.apache.hadoop.io">Text</A>&gt;</CODE></DL>
299</DD>
300<DD><DL>
301
302<DT><B>Returns:</B><DD>the object that was read</DL>
303</DD>
304</DL>
305<HR>
306
307<A NAME="getProgress()"><!-- --></A><H3>
308getProgress</H3>
309<PRE>
310public float <B>getProgress</B>()</PRE>
311<DL>
312<DD>Get the progress within the split
313<P>
314<DD><DL>
315<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../../../org/apache/hadoop/mapreduce/RecordReader.html#getProgress()">getProgress</A></CODE> in class <CODE><A HREF="../../../../../../org/apache/hadoop/mapreduce/RecordReader.html" title="class in org.apache.hadoop.mapreduce">RecordReader</A>&lt;<A HREF="../../../../../../org/apache/hadoop/io/LongWritable.html" title="class in org.apache.hadoop.io">LongWritable</A>,<A HREF="../../../../../../org/apache/hadoop/io/Text.html" title="class in org.apache.hadoop.io">Text</A>&gt;</CODE></DL>
316</DD>
317<DD><DL>
318
319<DT><B>Returns:</B><DD>a number between 0.0 and 1.0 that is the fraction of the data read</DL>
320</DD>
321</DL>
322<HR>
323
324<A NAME="close()"><!-- --></A><H3>
325close</H3>
326<PRE>
327public void <B>close</B>()
328           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>
329<DL>
330<DD><B>Description copied from class: <CODE><A HREF="../../../../../../org/apache/hadoop/mapreduce/RecordReader.html#close()">RecordReader</A></CODE></B></DD>
331<DD>Close the record reader.
332<P>
333<DD><DL>
334<DT><B>Specified by:</B><DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/io/Closeable.html?is-external=true#close()" title="class or interface in java.io">close</A></CODE> in interface <CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/io/Closeable.html?is-external=true" title="class or interface in java.io">Closeable</A></CODE><DT><B>Specified by:</B><DD><CODE><A HREF="../../../../../../org/apache/hadoop/mapreduce/RecordReader.html#close()">close</A></CODE> in class <CODE><A HREF="../../../../../../org/apache/hadoop/mapreduce/RecordReader.html" title="class in org.apache.hadoop.mapreduce">RecordReader</A>&lt;<A HREF="../../../../../../org/apache/hadoop/io/LongWritable.html" title="class in org.apache.hadoop.io">LongWritable</A>,<A HREF="../../../../../../org/apache/hadoop/io/Text.html" title="class in org.apache.hadoop.io">Text</A>&gt;</CODE></DL>
335</DD>
336<DD><DL>
337
338<DT><B>Throws:</B>
339<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>
340</DD>
341</DL>
342<!-- ========= END OF CLASS DATA ========= -->
343<HR>
344
345
346<!-- ======= START OF BOTTOM NAVBAR ====== -->
347<A NAME="navbar_bottom"><!-- --></A>
348<A HREF="#skip-navbar_bottom" title="Skip navigation links"></A>
349<TABLE BORDER="0" WIDTH="100%" CELLPADDING="1" CELLSPACING="0" SUMMARY="">
350<TR>
351<TD COLSPAN=2 BGCOLOR="#EEEEFF" CLASS="NavBarCell1">
352<A NAME="navbar_bottom_firstrow"><!-- --></A>
353<TABLE BORDER="0" CELLPADDING="0" CELLSPACING="3" SUMMARY="">
354  <TR ALIGN="center" VALIGN="top">
355  <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1">    <A HREF="../../../../../../overview-summary.html"><FONT CLASS="NavBarFont1"><B>Overview</B></FONT></A>&nbsp;</TD>
356  <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1">    <A HREF="package-summary.html"><FONT CLASS="NavBarFont1"><B>Package</B></FONT></A>&nbsp;</TD>
357  <TD BGCOLOR="#FFFFFF" CLASS="NavBarCell1Rev"> &nbsp;<FONT CLASS="NavBarFont1Rev"><B>Class</B></FONT>&nbsp;</TD>
358  <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1">    <A HREF="class-use/LineRecordReader.html"><FONT CLASS="NavBarFont1"><B>Use</B></FONT></A>&nbsp;</TD>
359  <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1">    <A HREF="package-tree.html"><FONT CLASS="NavBarFont1"><B>Tree</B></FONT></A>&nbsp;</TD>
360  <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1">    <A HREF="../../../../../../deprecated-list.html"><FONT CLASS="NavBarFont1"><B>Deprecated</B></FONT></A>&nbsp;</TD>
361  <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1">    <A HREF="../../../../../../index-all.html"><FONT CLASS="NavBarFont1"><B>Index</B></FONT></A>&nbsp;</TD>
362  <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1">    <A HREF="../../../../../../help-doc.html"><FONT CLASS="NavBarFont1"><B>Help</B></FONT></A>&nbsp;</TD>
363  </TR>
364</TABLE>
365</TD>
366<TD ALIGN="right" VALIGN="top" ROWSPAN=3><EM>
367</EM>
368</TD>
369</TR>
370
371<TR>
372<TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2">
373&nbsp;<A HREF="../../../../../../org/apache/hadoop/mapreduce/lib/input/InvalidInputException.html" title="class in org.apache.hadoop.mapreduce.lib.input"><B>PREV CLASS</B></A>&nbsp;
374&nbsp;<A HREF="../../../../../../org/apache/hadoop/mapreduce/lib/input/SequenceFileInputFormat.html" title="class in org.apache.hadoop.mapreduce.lib.input"><B>NEXT CLASS</B></A></FONT></TD>
375<TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2">
376  <A HREF="../../../../../../index.html?org/apache/hadoop/mapreduce/lib/input/LineRecordReader.html" target="_top"><B>FRAMES</B></A>  &nbsp;
377&nbsp;<A HREF="LineRecordReader.html" target="_top"><B>NO FRAMES</B></A>  &nbsp;
378&nbsp;<SCRIPT type="text/javascript">
379  <!--
380  if(window==top) {
381    document.writeln('<A HREF="../../../../../../allclasses-noframe.html"><B>All Classes</B></A>');
382  }
383  //-->
384</SCRIPT>
385<NOSCRIPT>
386  <A HREF="../../../../../../allclasses-noframe.html"><B>All Classes</B></A>
387</NOSCRIPT>
388
389
390</FONT></TD>
391</TR>
392<TR>
393<TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2">
394  SUMMARY:&nbsp;NESTED&nbsp;|&nbsp;FIELD&nbsp;|&nbsp;<A HREF="#constructor_summary">CONSTR</A>&nbsp;|&nbsp;<A HREF="#method_summary">METHOD</A></FONT></TD>
395<TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2">
396DETAIL:&nbsp;FIELD&nbsp;|&nbsp;<A HREF="#constructor_detail">CONSTR</A>&nbsp;|&nbsp;<A HREF="#method_detail">METHOD</A></FONT></TD>
397</TR>
398</TABLE>
399<A NAME="skip-navbar_bottom"></A>
400<!-- ======== END OF BOTTOM NAVBAR ======= -->
401
402<HR>
403Copyright &copy; 2009 The Apache Software Foundation
404</BODY>
405</HTML>
Note: See TracBrowser for help on using the repository browser.