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7SequenceFileRecordReader (Hadoop 0.20.1 API)
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91org.apache.hadoop.mapred</FONT>
92<BR>
93Class SequenceFileRecordReader&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.SequenceFileRecordReader&lt;K,V&gt;</B>
97</PRE>
98<DL>
99<DT><B>All Implemented Interfaces:</B> <DD><A HREF="../../../../org/apache/hadoop/mapred/RecordReader.html" title="interface in org.apache.hadoop.mapred">RecordReader</A>&lt;K,V&gt;</DD>
100</DL>
101<HR>
102<DL>
103<DT><PRE>public class <B>SequenceFileRecordReader&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/RecordReader.html" title="interface in org.apache.hadoop.mapred">RecordReader</A>&lt;K,V&gt;</DL>
104</PRE>
105
106<P>
107An <A HREF="../../../../org/apache/hadoop/mapred/RecordReader.html" title="interface in org.apache.hadoop.mapred"><CODE>RecordReader</CODE></A> for <A HREF="../../../../org/apache/hadoop/io/SequenceFile.html" title="class in org.apache.hadoop.io"><CODE>SequenceFile</CODE></A>s.
108<P>
109
110<P>
111<HR>
112
113<P>
114<!-- =========== FIELD SUMMARY =========== -->
115
116<A NAME="field_summary"><!-- --></A>
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118<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
119<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
120<B>Field Summary</B></FONT></TH>
121</TR>
122<TR BGCOLOR="white" CLASS="TableRowColor">
123<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
124<CODE>protected &nbsp;<A HREF="../../../../org/apache/hadoop/conf/Configuration.html" title="class in org.apache.hadoop.conf">Configuration</A></CODE></FONT></TD>
125<TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapred/SequenceFileRecordReader.html#conf">conf</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<!-- ======== CONSTRUCTOR SUMMARY ======== -->
133
134<A NAME="constructor_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>Constructor Summary</B></FONT></TH>
139</TR>
140<TR BGCOLOR="white" CLASS="TableRowColor">
141<TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapred/SequenceFileRecordReader.html#SequenceFileRecordReader(org.apache.hadoop.conf.Configuration, org.apache.hadoop.mapred.FileSplit)">SequenceFileRecordReader</A></B>(<A HREF="../../../../org/apache/hadoop/conf/Configuration.html" title="class in org.apache.hadoop.conf">Configuration</A>&nbsp;conf,
142                         <A HREF="../../../../org/apache/hadoop/mapred/FileSplit.html" title="class in org.apache.hadoop.mapred">FileSplit</A>&nbsp;split)</CODE>
143
144<BR>
145&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
146</TR>
147</TABLE>
148&nbsp;
149<!-- ========== METHOD SUMMARY =========== -->
150
151<A NAME="method_summary"><!-- --></A>
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154<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
155<B>Method Summary</B></FONT></TH>
156</TR>
157<TR BGCOLOR="white" CLASS="TableRowColor">
158<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
159<CODE>&nbsp;void</CODE></FONT></TD>
160<TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapred/SequenceFileRecordReader.html#close()">close</A></B>()</CODE>
161
162<BR>
163&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Close this <A HREF="../../../../org/apache/hadoop/mapred/InputSplit.html" title="interface in org.apache.hadoop.mapred"><CODE>InputSplit</CODE></A> to future operations.</TD>
164</TR>
165<TR BGCOLOR="white" CLASS="TableRowColor">
166<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
167<CODE>&nbsp;<A HREF="../../../../org/apache/hadoop/mapred/SequenceFileRecordReader.html" title="type parameter in SequenceFileRecordReader">K</A></CODE></FONT></TD>
168<TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapred/SequenceFileRecordReader.html#createKey()">createKey</A></B>()</CODE>
169
170<BR>
171&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Create an object of the appropriate type to be used as a key.</TD>
172</TR>
173<TR BGCOLOR="white" CLASS="TableRowColor">
174<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
175<CODE>&nbsp;<A HREF="../../../../org/apache/hadoop/mapred/SequenceFileRecordReader.html" title="type parameter in SequenceFileRecordReader">V</A></CODE></FONT></TD>
176<TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapred/SequenceFileRecordReader.html#createValue()">createValue</A></B>()</CODE>
177
178<BR>
179&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Create an object of the appropriate type to be used as a value.</TD>
180</TR>
181<TR BGCOLOR="white" CLASS="TableRowColor">
182<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
183<CODE>protected &nbsp;void</CODE></FONT></TD>
184<TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapred/SequenceFileRecordReader.html#getCurrentValue(V)">getCurrentValue</A></B>(<A HREF="../../../../org/apache/hadoop/mapred/SequenceFileRecordReader.html" title="type parameter in SequenceFileRecordReader">V</A>&nbsp;value)</CODE>
185
186<BR>
187&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
188</TR>
189<TR BGCOLOR="white" CLASS="TableRowColor">
190<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
191<CODE>&nbsp;<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></CODE></FONT></TD>
192<TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapred/SequenceFileRecordReader.html#getKeyClass()">getKeyClass</A></B>()</CODE>
193
194<BR>
195&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The class of key that must be passed to <A HREF="../../../../org/apache/hadoop/mapred/SequenceFileRecordReader.html#next(K, V)"><CODE>next(Object, Object)</CODE></A>..</TD>
196</TR>
197<TR BGCOLOR="white" CLASS="TableRowColor">
198<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
199<CODE>&nbsp;long</CODE></FONT></TD>
200<TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapred/SequenceFileRecordReader.html#getPos()">getPos</A></B>()</CODE>
201
202<BR>
203&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns the current position in the input.</TD>
204</TR>
205<TR BGCOLOR="white" CLASS="TableRowColor">
206<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
207<CODE>&nbsp;float</CODE></FONT></TD>
208<TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapred/SequenceFileRecordReader.html#getProgress()">getProgress</A></B>()</CODE>
209
210<BR>
211&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Return the progress within the input split</TD>
212</TR>
213<TR BGCOLOR="white" CLASS="TableRowColor">
214<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
215<CODE>&nbsp;<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></CODE></FONT></TD>
216<TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapred/SequenceFileRecordReader.html#getValueClass()">getValueClass</A></B>()</CODE>
217
218<BR>
219&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The class of value that must be passed to <A HREF="../../../../org/apache/hadoop/mapred/SequenceFileRecordReader.html#next(K, V)"><CODE>next(Object, Object)</CODE></A>..</TD>
220</TR>
221<TR BGCOLOR="white" CLASS="TableRowColor">
222<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
223<CODE>protected &nbsp;boolean</CODE></FONT></TD>
224<TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapred/SequenceFileRecordReader.html#next(K)">next</A></B>(<A HREF="../../../../org/apache/hadoop/mapred/SequenceFileRecordReader.html" title="type parameter in SequenceFileRecordReader">K</A>&nbsp;key)</CODE>
225
226<BR>
227&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
228</TR>
229<TR BGCOLOR="white" CLASS="TableRowColor">
230<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
231<CODE>&nbsp;boolean</CODE></FONT></TD>
232<TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapred/SequenceFileRecordReader.html#next(K, V)">next</A></B>(<A HREF="../../../../org/apache/hadoop/mapred/SequenceFileRecordReader.html" title="type parameter in SequenceFileRecordReader">K</A>&nbsp;key,
233     <A HREF="../../../../org/apache/hadoop/mapred/SequenceFileRecordReader.html" title="type parameter in SequenceFileRecordReader">V</A>&nbsp;value)</CODE>
234
235<BR>
236&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Reads the next key/value pair from the input for processing.</TD>
237</TR>
238<TR BGCOLOR="white" CLASS="TableRowColor">
239<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
240<CODE>protected &nbsp;void</CODE></FONT></TD>
241<TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapred/SequenceFileRecordReader.html#seek(long)">seek</A></B>(long&nbsp;pos)</CODE>
242
243<BR>
244&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
245</TR>
246</TABLE>
247&nbsp;<A NAME="methods_inherited_from_class_java.lang.Object"><!-- --></A>
248<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
249<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
250<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>
251</TR>
252<TR BGCOLOR="white" CLASS="TableRowColor">
253<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>
254</TR>
255</TABLE>
256&nbsp;
257<P>
258
259<!-- ============ FIELD DETAIL =========== -->
260
261<A NAME="field_detail"><!-- --></A>
262<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
263<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
264<TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2">
265<B>Field Detail</B></FONT></TH>
266</TR>
267</TABLE>
268
269<A NAME="conf"><!-- --></A><H3>
270conf</H3>
271<PRE>
272protected <A HREF="../../../../org/apache/hadoop/conf/Configuration.html" title="class in org.apache.hadoop.conf">Configuration</A> <B>conf</B></PRE>
273<DL>
274<DL>
275</DL>
276</DL>
277
278<!-- ========= CONSTRUCTOR DETAIL ======== -->
279
280<A NAME="constructor_detail"><!-- --></A>
281<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
282<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
283<TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2">
284<B>Constructor Detail</B></FONT></TH>
285</TR>
286</TABLE>
287
288<A NAME="SequenceFileRecordReader(org.apache.hadoop.conf.Configuration, org.apache.hadoop.mapred.FileSplit)"><!-- --></A><H3>
289SequenceFileRecordReader</H3>
290<PRE>
291public <B>SequenceFileRecordReader</B>(<A HREF="../../../../org/apache/hadoop/conf/Configuration.html" title="class in org.apache.hadoop.conf">Configuration</A>&nbsp;conf,
292                                <A HREF="../../../../org/apache/hadoop/mapred/FileSplit.html" title="class in org.apache.hadoop.mapred">FileSplit</A>&nbsp;split)
293                         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>
294<DL>
295<DL>
296
297<DT><B>Throws:</B>
298<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>
299</DL>
300
301<!-- ============ METHOD DETAIL ========== -->
302
303<A NAME="method_detail"><!-- --></A>
304<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
305<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
306<TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2">
307<B>Method Detail</B></FONT></TH>
308</TR>
309</TABLE>
310
311<A NAME="getKeyClass()"><!-- --></A><H3>
312getKeyClass</H3>
313<PRE>
314public <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> <B>getKeyClass</B>()</PRE>
315<DL>
316<DD>The class of key that must be passed to <A HREF="../../../../org/apache/hadoop/mapred/SequenceFileRecordReader.html#next(K, V)"><CODE>next(Object, Object)</CODE></A>..
317<P>
318<DD><DL>
319</DL>
320</DD>
321<DD><DL>
322</DL>
323</DD>
324</DL>
325<HR>
326
327<A NAME="getValueClass()"><!-- --></A><H3>
328getValueClass</H3>
329<PRE>
330public <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> <B>getValueClass</B>()</PRE>
331<DL>
332<DD>The class of value that must be passed to <A HREF="../../../../org/apache/hadoop/mapred/SequenceFileRecordReader.html#next(K, V)"><CODE>next(Object, Object)</CODE></A>..
333<P>
334<DD><DL>
335</DL>
336</DD>
337<DD><DL>
338</DL>
339</DD>
340</DL>
341<HR>
342
343<A NAME="createKey()"><!-- --></A><H3>
344createKey</H3>
345<PRE>
346public <A HREF="../../../../org/apache/hadoop/mapred/SequenceFileRecordReader.html" title="type parameter in SequenceFileRecordReader">K</A> <B>createKey</B>()</PRE>
347<DL>
348<DD><B>Description copied from interface: <CODE><A HREF="../../../../org/apache/hadoop/mapred/RecordReader.html#createKey()">RecordReader</A></CODE></B></DD>
349<DD>Create an object of the appropriate type to be used as a key.
350<P>
351<DD><DL>
352<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../org/apache/hadoop/mapred/RecordReader.html#createKey()">createKey</A></CODE> in interface <CODE><A HREF="../../../../org/apache/hadoop/mapred/RecordReader.html" title="interface in org.apache.hadoop.mapred">RecordReader</A>&lt;<A HREF="../../../../org/apache/hadoop/mapred/SequenceFileRecordReader.html" title="type parameter in SequenceFileRecordReader">K</A>,<A HREF="../../../../org/apache/hadoop/mapred/SequenceFileRecordReader.html" title="type parameter in SequenceFileRecordReader">V</A>&gt;</CODE></DL>
353</DD>
354<DD><DL>
355
356<DT><B>Returns:</B><DD>a new key object.</DL>
357</DD>
358</DL>
359<HR>
360
361<A NAME="createValue()"><!-- --></A><H3>
362createValue</H3>
363<PRE>
364public <A HREF="../../../../org/apache/hadoop/mapred/SequenceFileRecordReader.html" title="type parameter in SequenceFileRecordReader">V</A> <B>createValue</B>()</PRE>
365<DL>
366<DD><B>Description copied from interface: <CODE><A HREF="../../../../org/apache/hadoop/mapred/RecordReader.html#createValue()">RecordReader</A></CODE></B></DD>
367<DD>Create an object of the appropriate type to be used as a value.
368<P>
369<DD><DL>
370<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../org/apache/hadoop/mapred/RecordReader.html#createValue()">createValue</A></CODE> in interface <CODE><A HREF="../../../../org/apache/hadoop/mapred/RecordReader.html" title="interface in org.apache.hadoop.mapred">RecordReader</A>&lt;<A HREF="../../../../org/apache/hadoop/mapred/SequenceFileRecordReader.html" title="type parameter in SequenceFileRecordReader">K</A>,<A HREF="../../../../org/apache/hadoop/mapred/SequenceFileRecordReader.html" title="type parameter in SequenceFileRecordReader">V</A>&gt;</CODE></DL>
371</DD>
372<DD><DL>
373
374<DT><B>Returns:</B><DD>a new value object.</DL>
375</DD>
376</DL>
377<HR>
378
379<A NAME="next(java.lang.Object,java.lang.Object)"><!-- --></A><A NAME="next(K, V)"><!-- --></A><H3>
380next</H3>
381<PRE>
382public boolean <B>next</B>(<A HREF="../../../../org/apache/hadoop/mapred/SequenceFileRecordReader.html" title="type parameter in SequenceFileRecordReader">K</A>&nbsp;key,
383                    <A HREF="../../../../org/apache/hadoop/mapred/SequenceFileRecordReader.html" title="type parameter in SequenceFileRecordReader">V</A>&nbsp;value)
384             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>
385<DL>
386<DD><B>Description copied from interface: <CODE><A HREF="../../../../org/apache/hadoop/mapred/RecordReader.html#next(K, V)">RecordReader</A></CODE></B></DD>
387<DD>Reads the next key/value pair from the input for processing.
388<P>
389<DD><DL>
390<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../org/apache/hadoop/mapred/RecordReader.html#next(K, V)">next</A></CODE> in interface <CODE><A HREF="../../../../org/apache/hadoop/mapred/RecordReader.html" title="interface in org.apache.hadoop.mapred">RecordReader</A>&lt;<A HREF="../../../../org/apache/hadoop/mapred/SequenceFileRecordReader.html" title="type parameter in SequenceFileRecordReader">K</A>,<A HREF="../../../../org/apache/hadoop/mapred/SequenceFileRecordReader.html" title="type parameter in SequenceFileRecordReader">V</A>&gt;</CODE></DL>
391</DD>
392<DD><DL>
393<DT><B>Parameters:</B><DD><CODE>key</CODE> - the key to read data into<DD><CODE>value</CODE> - the value to read data into
394<DT><B>Returns:</B><DD>true iff a key/value was read, false if at EOF
395<DT><B>Throws:</B>
396<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>
397</DD>
398</DL>
399<HR>
400
401<A NAME="next(java.lang.Object)"><!-- --></A><A NAME="next(K)"><!-- --></A><H3>
402next</H3>
403<PRE>
404protected boolean <B>next</B>(<A HREF="../../../../org/apache/hadoop/mapred/SequenceFileRecordReader.html" title="type parameter in SequenceFileRecordReader">K</A>&nbsp;key)
405                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>
406<DL>
407<DD><DL>
408</DL>
409</DD>
410<DD><DL>
411
412<DT><B>Throws:</B>
413<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>
414</DD>
415</DL>
416<HR>
417
418<A NAME="getCurrentValue(java.lang.Object)"><!-- --></A><A NAME="getCurrentValue(V)"><!-- --></A><H3>
419getCurrentValue</H3>
420<PRE>
421protected void <B>getCurrentValue</B>(<A HREF="../../../../org/apache/hadoop/mapred/SequenceFileRecordReader.html" title="type parameter in SequenceFileRecordReader">V</A>&nbsp;value)
422                        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>
423<DL>
424<DD><DL>
425</DL>
426</DD>
427<DD><DL>
428
429<DT><B>Throws:</B>
430<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>
431</DD>
432</DL>
433<HR>
434
435<A NAME="getProgress()"><!-- --></A><H3>
436getProgress</H3>
437<PRE>
438public float <B>getProgress</B>()
439                  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>
440<DL>
441<DD>Return the progress within the input split
442<P>
443<DD><DL>
444<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../org/apache/hadoop/mapred/RecordReader.html#getProgress()">getProgress</A></CODE> in interface <CODE><A HREF="../../../../org/apache/hadoop/mapred/RecordReader.html" title="interface in org.apache.hadoop.mapred">RecordReader</A>&lt;<A HREF="../../../../org/apache/hadoop/mapred/SequenceFileRecordReader.html" title="type parameter in SequenceFileRecordReader">K</A>,<A HREF="../../../../org/apache/hadoop/mapred/SequenceFileRecordReader.html" title="type parameter in SequenceFileRecordReader">V</A>&gt;</CODE></DL>
445</DD>
446<DD><DL>
447
448<DT><B>Returns:</B><DD>0.0 to 1.0 of the input byte range
449<DT><B>Throws:</B>
450<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>
451</DD>
452</DL>
453<HR>
454
455<A NAME="getPos()"><!-- --></A><H3>
456getPos</H3>
457<PRE>
458public long <B>getPos</B>()
459            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>
460<DL>
461<DD><B>Description copied from interface: <CODE><A HREF="../../../../org/apache/hadoop/mapred/RecordReader.html#getPos()">RecordReader</A></CODE></B></DD>
462<DD>Returns the current position in the input.
463<P>
464<DD><DL>
465<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../org/apache/hadoop/mapred/RecordReader.html#getPos()">getPos</A></CODE> in interface <CODE><A HREF="../../../../org/apache/hadoop/mapred/RecordReader.html" title="interface in org.apache.hadoop.mapred">RecordReader</A>&lt;<A HREF="../../../../org/apache/hadoop/mapred/SequenceFileRecordReader.html" title="type parameter in SequenceFileRecordReader">K</A>,<A HREF="../../../../org/apache/hadoop/mapred/SequenceFileRecordReader.html" title="type parameter in SequenceFileRecordReader">V</A>&gt;</CODE></DL>
466</DD>
467<DD><DL>
468
469<DT><B>Returns:</B><DD>the current position in the input.
470<DT><B>Throws:</B>
471<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>
472</DD>
473</DL>
474<HR>
475
476<A NAME="seek(long)"><!-- --></A><H3>
477seek</H3>
478<PRE>
479protected void <B>seek</B>(long&nbsp;pos)
480             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>
481<DL>
482<DD><DL>
483</DL>
484</DD>
485<DD><DL>
486
487<DT><B>Throws:</B>
488<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>
489</DD>
490</DL>
491<HR>
492
493<A NAME="close()"><!-- --></A><H3>
494close</H3>
495<PRE>
496public void <B>close</B>()
497           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>
498<DL>
499<DD><B>Description copied from interface: <CODE><A HREF="../../../../org/apache/hadoop/mapred/RecordReader.html#close()">RecordReader</A></CODE></B></DD>
500<DD>Close this <A HREF="../../../../org/apache/hadoop/mapred/InputSplit.html" title="interface in org.apache.hadoop.mapred"><CODE>InputSplit</CODE></A> to future operations.
501<P>
502<DD><DL>
503<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../org/apache/hadoop/mapred/RecordReader.html#close()">close</A></CODE> in interface <CODE><A HREF="../../../../org/apache/hadoop/mapred/RecordReader.html" title="interface in org.apache.hadoop.mapred">RecordReader</A>&lt;<A HREF="../../../../org/apache/hadoop/mapred/SequenceFileRecordReader.html" title="type parameter in SequenceFileRecordReader">K</A>,<A HREF="../../../../org/apache/hadoop/mapred/SequenceFileRecordReader.html" title="type parameter in SequenceFileRecordReader">V</A>&gt;</CODE></DL>
504</DD>
505<DD><DL>
506
507<DT><B>Throws:</B>
508<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>
509</DD>
510</DL>
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