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7Uses of Interface org.apache.hadoop.mapred.JobConfigurable (Hadoop 0.20.1 API)
8</TITLE>
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83<H2>
84<B>Uses of Interface<br>org.apache.hadoop.mapred.JobConfigurable</B></H2>
85</CENTER>
86
87<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
88<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
89<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
90Packages that use <A HREF="../../../../../org/apache/hadoop/mapred/JobConfigurable.html" title="interface in org.apache.hadoop.mapred">JobConfigurable</A></FONT></TH>
91</TR>
92<TR BGCOLOR="white" CLASS="TableRowColor">
93<TD><A HREF="#org.apache.hadoop.contrib.index.example"><B>org.apache.hadoop.contrib.index.example</B></A></TD>
94<TD>&nbsp;&nbsp;</TD>
95</TR>
96<TR BGCOLOR="white" CLASS="TableRowColor">
97<TD><A HREF="#org.apache.hadoop.contrib.index.mapred"><B>org.apache.hadoop.contrib.index.mapred</B></A></TD>
98<TD>&nbsp;&nbsp;</TD>
99</TR>
100<TR BGCOLOR="white" CLASS="TableRowColor">
101<TD><A HREF="#org.apache.hadoop.contrib.utils.join"><B>org.apache.hadoop.contrib.utils.join</B></A></TD>
102<TD>&nbsp;&nbsp;</TD>
103</TR>
104<TR BGCOLOR="white" CLASS="TableRowColor">
105<TD><A HREF="#org.apache.hadoop.examples"><B>org.apache.hadoop.examples</B></A></TD>
106<TD>Hadoop example code.&nbsp;</TD>
107</TR>
108<TR BGCOLOR="white" CLASS="TableRowColor">
109<TD><A HREF="#org.apache.hadoop.examples.dancing"><B>org.apache.hadoop.examples.dancing</B></A></TD>
110<TD>This package is a distributed implementation of Knuth's <a
111href="http://en.wikipedia.org/wiki/Dancing_Links">dancing links</a>
112algorithm that can run under Hadoop.&nbsp;</TD>
113</TR>
114<TR BGCOLOR="white" CLASS="TableRowColor">
115<TD><A HREF="#org.apache.hadoop.examples.terasort"><B>org.apache.hadoop.examples.terasort</B></A></TD>
116<TD>This package consists of 3 map/reduce applications for Hadoop to
117compete in the annual <a
118href="http://www.hpl.hp.com/hosted/sortbenchmark" target="_top">terabyte sort</a>
119competition.&nbsp;</TD>
120</TR>
121<TR BGCOLOR="white" CLASS="TableRowColor">
122<TD><A HREF="#org.apache.hadoop.mapred"><B>org.apache.hadoop.mapred</B></A></TD>
123<TD>A software framework for easily writing applications which process vast
124amounts of data (multi-terabyte data-sets) parallelly on large clusters
125(thousands of nodes) built of commodity hardware in a reliable, fault-tolerant
126manner.&nbsp;</TD>
127</TR>
128<TR BGCOLOR="white" CLASS="TableRowColor">
129<TD><A HREF="#org.apache.hadoop.mapred.lib"><B>org.apache.hadoop.mapred.lib</B></A></TD>
130<TD>Library of generally useful mappers, reducers, and partitioners.&nbsp;</TD>
131</TR>
132<TR BGCOLOR="white" CLASS="TableRowColor">
133<TD><A HREF="#org.apache.hadoop.mapred.lib.aggregate"><B>org.apache.hadoop.mapred.lib.aggregate</B></A></TD>
134<TD>Classes for performing various counting and aggregations.&nbsp;</TD>
135</TR>
136<TR BGCOLOR="white" CLASS="TableRowColor">
137<TD><A HREF="#org.apache.hadoop.mapred.lib.db"><B>org.apache.hadoop.mapred.lib.db</B></A></TD>
138<TD>org.apache.hadoop.mapred.lib.db Package&nbsp;</TD>
139</TR>
140<TR BGCOLOR="white" CLASS="TableRowColor">
141<TD><A HREF="#org.apache.hadoop.streaming"><B>org.apache.hadoop.streaming</B></A></TD>
142<TD><tt>Hadoop Streaming</tt> is a utility which allows users to create and run
143Map-Reduce jobs with any executables (e.g.&nbsp;</TD>
144</TR>
145</TABLE>
146&nbsp;
147<P>
148<A NAME="org.apache.hadoop.contrib.index.example"><!-- --></A>
149<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
150<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
151<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
152Uses of <A HREF="../../../../../org/apache/hadoop/mapred/JobConfigurable.html" title="interface in org.apache.hadoop.mapred">JobConfigurable</A> in <A HREF="../../../../../org/apache/hadoop/contrib/index/example/package-summary.html">org.apache.hadoop.contrib.index.example</A></FONT></TH>
153</TR>
154</TABLE>
155&nbsp;
156<P>
157
158<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
159<TR BGCOLOR="#CCCCFF" CLASS="TableSubHeadingColor">
160<TH ALIGN="left" COLSPAN="2">Classes in <A HREF="../../../../../org/apache/hadoop/contrib/index/example/package-summary.html">org.apache.hadoop.contrib.index.example</A> that implement <A HREF="../../../../../org/apache/hadoop/mapred/JobConfigurable.html" title="interface in org.apache.hadoop.mapred">JobConfigurable</A></FONT></TH>
161</TR>
162<TR BGCOLOR="white" CLASS="TableRowColor">
163<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
164<CODE>&nbsp;class</CODE></FONT></TD>
165<TD><CODE><B><A HREF="../../../../../org/apache/hadoop/contrib/index/example/IdentityLocalAnalysis.html" title="class in org.apache.hadoop.contrib.index.example">IdentityLocalAnalysis</A></B></CODE>
166
167<BR>
168&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Identity local analysis maps inputs directly into outputs.</TD>
169</TR>
170<TR BGCOLOR="white" CLASS="TableRowColor">
171<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
172<CODE>&nbsp;class</CODE></FONT></TD>
173<TD><CODE><B><A HREF="../../../../../org/apache/hadoop/contrib/index/example/LineDocLocalAnalysis.html" title="class in org.apache.hadoop.contrib.index.example">LineDocLocalAnalysis</A></B></CODE>
174
175<BR>
176&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Convert LineDocTextAndOp to DocumentAndOp as required by ILocalAnalysis.</TD>
177</TR>
178</TABLE>
179&nbsp;
180<P>
181<A NAME="org.apache.hadoop.contrib.index.mapred"><!-- --></A>
182<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
183<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
184<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
185Uses of <A HREF="../../../../../org/apache/hadoop/mapred/JobConfigurable.html" title="interface in org.apache.hadoop.mapred">JobConfigurable</A> in <A HREF="../../../../../org/apache/hadoop/contrib/index/mapred/package-summary.html">org.apache.hadoop.contrib.index.mapred</A></FONT></TH>
186</TR>
187</TABLE>
188&nbsp;
189<P>
190
191<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
192<TR BGCOLOR="#CCCCFF" CLASS="TableSubHeadingColor">
193<TH ALIGN="left" COLSPAN="2">Subinterfaces of <A HREF="../../../../../org/apache/hadoop/mapred/JobConfigurable.html" title="interface in org.apache.hadoop.mapred">JobConfigurable</A> in <A HREF="../../../../../org/apache/hadoop/contrib/index/mapred/package-summary.html">org.apache.hadoop.contrib.index.mapred</A></FONT></TH>
194</TR>
195<TR BGCOLOR="white" CLASS="TableRowColor">
196<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
197<CODE>&nbsp;interface</CODE></FONT></TD>
198<TD><CODE><B><A HREF="../../../../../org/apache/hadoop/contrib/index/mapred/ILocalAnalysis.html" title="interface in org.apache.hadoop.contrib.index.mapred">ILocalAnalysis&lt;K extends WritableComparable,V extends Writable&gt;</A></B></CODE>
199
200<BR>
201&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Application specific local analysis.</TD>
202</TR>
203</TABLE>
204&nbsp;
205<P>
206
207<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
208<TR BGCOLOR="#CCCCFF" CLASS="TableSubHeadingColor">
209<TH ALIGN="left" COLSPAN="2">Classes in <A HREF="../../../../../org/apache/hadoop/contrib/index/mapred/package-summary.html">org.apache.hadoop.contrib.index.mapred</A> that implement <A HREF="../../../../../org/apache/hadoop/mapred/JobConfigurable.html" title="interface in org.apache.hadoop.mapred">JobConfigurable</A></FONT></TH>
210</TR>
211<TR BGCOLOR="white" CLASS="TableRowColor">
212<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
213<CODE>&nbsp;class</CODE></FONT></TD>
214<TD><CODE><B><A HREF="../../../../../org/apache/hadoop/contrib/index/mapred/IndexUpdateCombiner.html" title="class in org.apache.hadoop.contrib.index.mapred">IndexUpdateCombiner</A></B></CODE>
215
216<BR>
217&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;This combiner combines multiple intermediate forms into one intermediate
218 form.</TD>
219</TR>
220<TR BGCOLOR="white" CLASS="TableRowColor">
221<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
222<CODE>&nbsp;class</CODE></FONT></TD>
223<TD><CODE><B><A HREF="../../../../../org/apache/hadoop/contrib/index/mapred/IndexUpdateMapper.html" title="class in org.apache.hadoop.contrib.index.mapred">IndexUpdateMapper&lt;K extends WritableComparable,V extends Writable&gt;</A></B></CODE>
224
225<BR>
226&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;This class applies local analysis on a key-value pair and then convert the
227 result docid-operation pair to a shard-and-intermediate form pair.</TD>
228</TR>
229<TR BGCOLOR="white" CLASS="TableRowColor">
230<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
231<CODE>&nbsp;class</CODE></FONT></TD>
232<TD><CODE><B><A HREF="../../../../../org/apache/hadoop/contrib/index/mapred/IndexUpdatePartitioner.html" title="class in org.apache.hadoop.contrib.index.mapred">IndexUpdatePartitioner</A></B></CODE>
233
234<BR>
235&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;This partitioner class puts the values of the same key - in this case the
236 same shard - in the same partition.</TD>
237</TR>
238<TR BGCOLOR="white" CLASS="TableRowColor">
239<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
240<CODE>&nbsp;class</CODE></FONT></TD>
241<TD><CODE><B><A HREF="../../../../../org/apache/hadoop/contrib/index/mapred/IndexUpdateReducer.html" title="class in org.apache.hadoop.contrib.index.mapred">IndexUpdateReducer</A></B></CODE>
242
243<BR>
244&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;This reducer applies to a shard the changes for it.</TD>
245</TR>
246</TABLE>
247&nbsp;
248<P>
249<A NAME="org.apache.hadoop.contrib.utils.join"><!-- --></A>
250<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
251<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
252<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
253Uses of <A HREF="../../../../../org/apache/hadoop/mapred/JobConfigurable.html" title="interface in org.apache.hadoop.mapred">JobConfigurable</A> in <A HREF="../../../../../org/apache/hadoop/contrib/utils/join/package-summary.html">org.apache.hadoop.contrib.utils.join</A></FONT></TH>
254</TR>
255</TABLE>
256&nbsp;
257<P>
258
259<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
260<TR BGCOLOR="#CCCCFF" CLASS="TableSubHeadingColor">
261<TH ALIGN="left" COLSPAN="2">Classes in <A HREF="../../../../../org/apache/hadoop/contrib/utils/join/package-summary.html">org.apache.hadoop.contrib.utils.join</A> that implement <A HREF="../../../../../org/apache/hadoop/mapred/JobConfigurable.html" title="interface in org.apache.hadoop.mapred">JobConfigurable</A></FONT></TH>
262</TR>
263<TR BGCOLOR="white" CLASS="TableRowColor">
264<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
265<CODE>&nbsp;class</CODE></FONT></TD>
266<TD><CODE><B><A HREF="../../../../../org/apache/hadoop/contrib/utils/join/DataJoinMapperBase.html" title="class in org.apache.hadoop.contrib.utils.join">DataJoinMapperBase</A></B></CODE>
267
268<BR>
269&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;This abstract class serves as the base class for the mapper class of a data
270 join job.</TD>
271</TR>
272<TR BGCOLOR="white" CLASS="TableRowColor">
273<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
274<CODE>&nbsp;class</CODE></FONT></TD>
275<TD><CODE><B><A HREF="../../../../../org/apache/hadoop/contrib/utils/join/DataJoinReducerBase.html" title="class in org.apache.hadoop.contrib.utils.join">DataJoinReducerBase</A></B></CODE>
276
277<BR>
278&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;This abstract class serves as the base class for the reducer class of a data
279 join job.</TD>
280</TR>
281<TR BGCOLOR="white" CLASS="TableRowColor">
282<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
283<CODE>&nbsp;class</CODE></FONT></TD>
284<TD><CODE><B><A HREF="../../../../../org/apache/hadoop/contrib/utils/join/JobBase.html" title="class in org.apache.hadoop.contrib.utils.join">JobBase</A></B></CODE>
285
286<BR>
287&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;A common base implementing some statics collecting mechanisms that are
288 commonly used in a typical map/reduce job.</TD>
289</TR>
290</TABLE>
291&nbsp;
292<P>
293<A NAME="org.apache.hadoop.examples"><!-- --></A>
294<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
295<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
296<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
297Uses of <A HREF="../../../../../org/apache/hadoop/mapred/JobConfigurable.html" title="interface in org.apache.hadoop.mapred">JobConfigurable</A> in <A HREF="../../../../../org/apache/hadoop/examples/package-summary.html">org.apache.hadoop.examples</A></FONT></TH>
298</TR>
299</TABLE>
300&nbsp;
301<P>
302
303<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
304<TR BGCOLOR="#CCCCFF" CLASS="TableSubHeadingColor">
305<TH ALIGN="left" COLSPAN="2">Classes in <A HREF="../../../../../org/apache/hadoop/examples/package-summary.html">org.apache.hadoop.examples</A> that implement <A HREF="../../../../../org/apache/hadoop/mapred/JobConfigurable.html" title="interface in org.apache.hadoop.mapred">JobConfigurable</A></FONT></TH>
306</TR>
307<TR BGCOLOR="white" CLASS="TableRowColor">
308<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
309<CODE>static&nbsp;class</CODE></FONT></TD>
310<TD><CODE><B><A HREF="../../../../../org/apache/hadoop/examples/MultiFileWordCount.MapClass.html" title="class in org.apache.hadoop.examples">MultiFileWordCount.MapClass</A></B></CODE>
311
312<BR>
313&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;This Mapper is similar to the one in <A HREF="../../../../../org/apache/hadoop/examples/MultiFileWordCount.MapClass.html" title="class in org.apache.hadoop.examples"><CODE>MultiFileWordCount.MapClass</CODE></A>.</TD>
314</TR>
315<TR BGCOLOR="white" CLASS="TableRowColor">
316<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
317<CODE>static&nbsp;class</CODE></FONT></TD>
318<TD><CODE><B><A HREF="../../../../../org/apache/hadoop/examples/PiEstimator.PiMapper.html" title="class in org.apache.hadoop.examples">PiEstimator.PiMapper</A></B></CODE>
319
320<BR>
321&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Mapper class for Pi estimation.</TD>
322</TR>
323<TR BGCOLOR="white" CLASS="TableRowColor">
324<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
325<CODE>static&nbsp;class</CODE></FONT></TD>
326<TD><CODE><B><A HREF="../../../../../org/apache/hadoop/examples/PiEstimator.PiReducer.html" title="class in org.apache.hadoop.examples">PiEstimator.PiReducer</A></B></CODE>
327
328<BR>
329&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Reducer class for Pi estimation.</TD>
330</TR>
331<TR BGCOLOR="white" CLASS="TableRowColor">
332<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
333<CODE>&nbsp;class</CODE></FONT></TD>
334<TD><CODE><B><A HREF="../../../../../org/apache/hadoop/examples/SleepJob.html" title="class in org.apache.hadoop.examples">SleepJob</A></B></CODE>
335
336<BR>
337&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Dummy class for testing MR framefork.</TD>
338</TR>
339</TABLE>
340&nbsp;
341<P>
342<A NAME="org.apache.hadoop.examples.dancing"><!-- --></A>
343<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
344<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
345<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
346Uses of <A HREF="../../../../../org/apache/hadoop/mapred/JobConfigurable.html" title="interface in org.apache.hadoop.mapred">JobConfigurable</A> in <A HREF="../../../../../org/apache/hadoop/examples/dancing/package-summary.html">org.apache.hadoop.examples.dancing</A></FONT></TH>
347</TR>
348</TABLE>
349&nbsp;
350<P>
351
352<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
353<TR BGCOLOR="#CCCCFF" CLASS="TableSubHeadingColor">
354<TH ALIGN="left" COLSPAN="2">Classes in <A HREF="../../../../../org/apache/hadoop/examples/dancing/package-summary.html">org.apache.hadoop.examples.dancing</A> that implement <A HREF="../../../../../org/apache/hadoop/mapred/JobConfigurable.html" title="interface in org.apache.hadoop.mapred">JobConfigurable</A></FONT></TH>
355</TR>
356<TR BGCOLOR="white" CLASS="TableRowColor">
357<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
358<CODE>static&nbsp;class</CODE></FONT></TD>
359<TD><CODE><B><A HREF="../../../../../org/apache/hadoop/examples/dancing/DistributedPentomino.PentMap.html" title="class in org.apache.hadoop.examples.dancing">DistributedPentomino.PentMap</A></B></CODE>
360
361<BR>
362&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Each map takes a line, which represents a prefix move and finds all of
363 the solutions that start with that prefix.</TD>
364</TR>
365</TABLE>
366&nbsp;
367<P>
368<A NAME="org.apache.hadoop.examples.terasort"><!-- --></A>
369<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
370<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
371<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
372Uses of <A HREF="../../../../../org/apache/hadoop/mapred/JobConfigurable.html" title="interface in org.apache.hadoop.mapred">JobConfigurable</A> in <A HREF="../../../../../org/apache/hadoop/examples/terasort/package-summary.html">org.apache.hadoop.examples.terasort</A></FONT></TH>
373</TR>
374</TABLE>
375&nbsp;
376<P>
377
378<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
379<TR BGCOLOR="#CCCCFF" CLASS="TableSubHeadingColor">
380<TH ALIGN="left" COLSPAN="2">Classes in <A HREF="../../../../../org/apache/hadoop/examples/terasort/package-summary.html">org.apache.hadoop.examples.terasort</A> that implement <A HREF="../../../../../org/apache/hadoop/mapred/JobConfigurable.html" title="interface in org.apache.hadoop.mapred">JobConfigurable</A></FONT></TH>
381</TR>
382<TR BGCOLOR="white" CLASS="TableRowColor">
383<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
384<CODE>static&nbsp;class</CODE></FONT></TD>
385<TD><CODE><B><A HREF="../../../../../org/apache/hadoop/examples/terasort/TeraGen.SortGenMapper.html" title="class in org.apache.hadoop.examples.terasort">TeraGen.SortGenMapper</A></B></CODE>
386
387<BR>
388&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The Mapper class that given a row number, will generate the appropriate
389 output line.</TD>
390</TR>
391</TABLE>
392&nbsp;
393<P>
394<A NAME="org.apache.hadoop.mapred"><!-- --></A>
395<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
396<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
397<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
398Uses of <A HREF="../../../../../org/apache/hadoop/mapred/JobConfigurable.html" title="interface in org.apache.hadoop.mapred">JobConfigurable</A> in <A HREF="../../../../../org/apache/hadoop/mapred/package-summary.html">org.apache.hadoop.mapred</A></FONT></TH>
399</TR>
400</TABLE>
401&nbsp;
402<P>
403
404<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
405<TR BGCOLOR="#CCCCFF" CLASS="TableSubHeadingColor">
406<TH ALIGN="left" COLSPAN="2">Subinterfaces of <A HREF="../../../../../org/apache/hadoop/mapred/JobConfigurable.html" title="interface in org.apache.hadoop.mapred">JobConfigurable</A> in <A HREF="../../../../../org/apache/hadoop/mapred/package-summary.html">org.apache.hadoop.mapred</A></FONT></TH>
407</TR>
408<TR BGCOLOR="white" CLASS="TableRowColor">
409<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
410<CODE>&nbsp;interface</CODE></FONT></TD>
411<TD><CODE><B><A HREF="../../../../../org/apache/hadoop/mapred/Mapper.html" title="interface in org.apache.hadoop.mapred">Mapper&lt;K1,V1,K2,V2&gt;</A></B></CODE>
412
413<BR>
414&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>Deprecated.</B>&nbsp;<I>Use <A HREF="../../../../../org/apache/hadoop/mapreduce/Mapper.html" title="class in org.apache.hadoop.mapreduce"><CODE>Mapper</CODE></A> instead.</I></TD>
415</TR>
416<TR BGCOLOR="white" CLASS="TableRowColor">
417<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
418<CODE>&nbsp;interface</CODE></FONT></TD>
419<TD><CODE><B><A HREF="../../../../../org/apache/hadoop/mapred/MapRunnable.html" title="interface in org.apache.hadoop.mapred">MapRunnable&lt;K1,V1,K2,V2&gt;</A></B></CODE>
420
421<BR>
422&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>Deprecated.</B>&nbsp;<I>Use <A HREF="../../../../../org/apache/hadoop/mapreduce/Mapper.html" title="class in org.apache.hadoop.mapreduce"><CODE>Mapper</CODE></A> instead.</I></TD>
423</TR>
424<TR BGCOLOR="white" CLASS="TableRowColor">
425<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
426<CODE>&nbsp;interface</CODE></FONT></TD>
427<TD><CODE><B><A HREF="../../../../../org/apache/hadoop/mapred/Partitioner.html" title="interface in org.apache.hadoop.mapred">Partitioner&lt;K2,V2&gt;</A></B></CODE>
428
429<BR>
430&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>Deprecated.</B>&nbsp;<I>Use <A HREF="../../../../../org/apache/hadoop/mapreduce/Partitioner.html" title="class in org.apache.hadoop.mapreduce"><CODE>Partitioner</CODE></A> instead.</I></TD>
431</TR>
432<TR BGCOLOR="white" CLASS="TableRowColor">
433<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
434<CODE>&nbsp;interface</CODE></FONT></TD>
435<TD><CODE><B><A HREF="../../../../../org/apache/hadoop/mapred/Reducer.html" title="interface in org.apache.hadoop.mapred">Reducer&lt;K2,V2,K3,V3&gt;</A></B></CODE>
436
437<BR>
438&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>Deprecated.</B>&nbsp;<I>Use <A HREF="../../../../../org/apache/hadoop/mapreduce/Reducer.html" title="class in org.apache.hadoop.mapreduce"><CODE>Reducer</CODE></A> instead.</I></TD>
439</TR>
440</TABLE>
441&nbsp;
442<P>
443
444<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
445<TR BGCOLOR="#CCCCFF" CLASS="TableSubHeadingColor">
446<TH ALIGN="left" COLSPAN="2">Classes in <A HREF="../../../../../org/apache/hadoop/mapred/package-summary.html">org.apache.hadoop.mapred</A> that implement <A HREF="../../../../../org/apache/hadoop/mapred/JobConfigurable.html" title="interface in org.apache.hadoop.mapred">JobConfigurable</A></FONT></TH>
447</TR>
448<TR BGCOLOR="white" CLASS="TableRowColor">
449<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
450<CODE>&nbsp;class</CODE></FONT></TD>
451<TD><CODE><B><A HREF="../../../../../org/apache/hadoop/mapred/KeyValueTextInputFormat.html" title="class in org.apache.hadoop.mapred">KeyValueTextInputFormat</A></B></CODE>
452
453<BR>
454&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;An <A HREF="../../../../../org/apache/hadoop/mapred/InputFormat.html" title="interface in org.apache.hadoop.mapred"><CODE>InputFormat</CODE></A> for plain text files.</TD>
455</TR>
456<TR BGCOLOR="white" CLASS="TableRowColor">
457<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
458<CODE>&nbsp;class</CODE></FONT></TD>
459<TD><CODE><B><A HREF="../../../../../org/apache/hadoop/mapred/MapReduceBase.html" title="class in org.apache.hadoop.mapred">MapReduceBase</A></B></CODE>
460
461<BR>
462&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>Deprecated.</B>&nbsp;</TD>
463</TR>
464<TR BGCOLOR="white" CLASS="TableRowColor">
465<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
466<CODE>&nbsp;class</CODE></FONT></TD>
467<TD><CODE><B><A HREF="../../../../../org/apache/hadoop/mapred/MapRunner.html" title="class in org.apache.hadoop.mapred">MapRunner&lt;K1,V1,K2,V2&gt;</A></B></CODE>
468
469<BR>
470&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Default <A HREF="../../../../../org/apache/hadoop/mapred/MapRunnable.html" title="interface in org.apache.hadoop.mapred"><CODE>MapRunnable</CODE></A> implementation.</TD>
471</TR>
472<TR BGCOLOR="white" CLASS="TableRowColor">
473<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
474<CODE>&nbsp;class</CODE></FONT></TD>
475<TD><CODE><B><A HREF="../../../../../org/apache/hadoop/mapred/TextInputFormat.html" title="class in org.apache.hadoop.mapred">TextInputFormat</A></B></CODE>
476
477<BR>
478&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>Deprecated.</B>&nbsp;<I>Use <A HREF="../../../../../org/apache/hadoop/mapreduce/lib/input/TextInputFormat.html" title="class in org.apache.hadoop.mapreduce.lib.input"><CODE>TextInputFormat</CODE></A>
479  instead.</I></TD>
480</TR>
481</TABLE>
482&nbsp;
483<P>
484<A NAME="org.apache.hadoop.mapred.lib"><!-- --></A>
485<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
486<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
487<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
488Uses of <A HREF="../../../../../org/apache/hadoop/mapred/JobConfigurable.html" title="interface in org.apache.hadoop.mapred">JobConfigurable</A> in <A HREF="../../../../../org/apache/hadoop/mapred/lib/package-summary.html">org.apache.hadoop.mapred.lib</A></FONT></TH>
489</TR>
490</TABLE>
491&nbsp;
492<P>
493
494<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
495<TR BGCOLOR="#CCCCFF" CLASS="TableSubHeadingColor">
496<TH ALIGN="left" COLSPAN="2">Classes in <A HREF="../../../../../org/apache/hadoop/mapred/lib/package-summary.html">org.apache.hadoop.mapred.lib</A> that implement <A HREF="../../../../../org/apache/hadoop/mapred/JobConfigurable.html" title="interface in org.apache.hadoop.mapred">JobConfigurable</A></FONT></TH>
497</TR>
498<TR BGCOLOR="white" CLASS="TableRowColor">
499<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
500<CODE>&nbsp;class</CODE></FONT></TD>
501<TD><CODE><B><A HREF="../../../../../org/apache/hadoop/mapred/lib/ChainMapper.html" title="class in org.apache.hadoop.mapred.lib">ChainMapper</A></B></CODE>
502
503<BR>
504&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The ChainMapper class allows to use multiple Mapper classes within a single
505 Map task.</TD>
506</TR>
507<TR BGCOLOR="white" CLASS="TableRowColor">
508<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
509<CODE>&nbsp;class</CODE></FONT></TD>
510<TD><CODE><B><A HREF="../../../../../org/apache/hadoop/mapred/lib/ChainReducer.html" title="class in org.apache.hadoop.mapred.lib">ChainReducer</A></B></CODE>
511
512<BR>
513&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The ChainReducer class allows to chain multiple Mapper classes after a
514 Reducer within the Reducer task.</TD>
515</TR>
516<TR BGCOLOR="white" CLASS="TableRowColor">
517<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
518<CODE>&nbsp;class</CODE></FONT></TD>
519<TD><CODE><B><A HREF="../../../../../org/apache/hadoop/mapred/lib/DelegatingMapper.html" title="class in org.apache.hadoop.mapred.lib">DelegatingMapper&lt;K1,V1,K2,V2&gt;</A></B></CODE>
520
521<BR>
522&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;An <A HREF="../../../../../org/apache/hadoop/mapred/Mapper.html" title="interface in org.apache.hadoop.mapred"><CODE>Mapper</CODE></A> that delegates behaviour of paths to multiple other
523 mappers.</TD>
524</TR>
525<TR BGCOLOR="white" CLASS="TableRowColor">
526<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
527<CODE>&nbsp;class</CODE></FONT></TD>
528<TD><CODE><B><A HREF="../../../../../org/apache/hadoop/mapred/lib/FieldSelectionMapReduce.html" title="class in org.apache.hadoop.mapred.lib">FieldSelectionMapReduce&lt;K,V&gt;</A></B></CODE>
529
530<BR>
531&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;This class implements a mapper/reducer class that can be used to perform
532 field selections in a manner similar to unix cut.</TD>
533</TR>
534<TR BGCOLOR="white" CLASS="TableRowColor">
535<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
536<CODE>&nbsp;class</CODE></FONT></TD>
537<TD><CODE><B><A HREF="../../../../../org/apache/hadoop/mapred/lib/HashPartitioner.html" title="class in org.apache.hadoop.mapred.lib">HashPartitioner&lt;K2,V2&gt;</A></B></CODE>
538
539<BR>
540&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>Deprecated.</B>&nbsp;<I>Use
541   <A HREF="../../../../../org/apache/hadoop/mapreduce/lib/partition/HashPartitioner.html" title="class in org.apache.hadoop.mapreduce.lib.partition"><CODE>HashPartitioner</CODE></A> instead.</I></TD>
542</TR>
543<TR BGCOLOR="white" CLASS="TableRowColor">
544<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
545<CODE>&nbsp;class</CODE></FONT></TD>
546<TD><CODE><B><A HREF="../../../../../org/apache/hadoop/mapred/lib/IdentityMapper.html" title="class in org.apache.hadoop.mapred.lib">IdentityMapper&lt;K,V&gt;</A></B></CODE>
547
548<BR>
549&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>Deprecated.</B>&nbsp;<I>Use <A HREF="../../../../../org/apache/hadoop/mapreduce/Mapper.html" title="class in org.apache.hadoop.mapreduce"><CODE>Mapper</CODE></A> instead.</I></TD>
550</TR>
551<TR BGCOLOR="white" CLASS="TableRowColor">
552<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
553<CODE>&nbsp;class</CODE></FONT></TD>
554<TD><CODE><B><A HREF="../../../../../org/apache/hadoop/mapred/lib/IdentityReducer.html" title="class in org.apache.hadoop.mapred.lib">IdentityReducer&lt;K,V&gt;</A></B></CODE>
555
556<BR>
557&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>Deprecated.</B>&nbsp;<I>Use <A HREF="../../../../../org/apache/hadoop/mapreduce/Reducer.html" title="class in org.apache.hadoop.mapreduce"><CODE>Reducer</CODE></A> instead.</I></TD>
558</TR>
559<TR BGCOLOR="white" CLASS="TableRowColor">
560<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
561<CODE>&nbsp;class</CODE></FONT></TD>
562<TD><CODE><B><A HREF="../../../../../org/apache/hadoop/mapred/lib/InverseMapper.html" title="class in org.apache.hadoop.mapred.lib">InverseMapper&lt;K,V&gt;</A></B></CODE>
563
564<BR>
565&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>Deprecated.</B>&nbsp;<I>Use <A HREF="../../../../../org/apache/hadoop/mapreduce/lib/map/InverseMapper.html" title="class in org.apache.hadoop.mapreduce.lib.map"><CODE>InverseMapper</CODE></A> 
566   instead.</I></TD>
567</TR>
568<TR BGCOLOR="white" CLASS="TableRowColor">
569<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
570<CODE>&nbsp;class</CODE></FONT></TD>
571<TD><CODE><B><A HREF="../../../../../org/apache/hadoop/mapred/lib/KeyFieldBasedComparator.html" title="class in org.apache.hadoop.mapred.lib">KeyFieldBasedComparator&lt;K,V&gt;</A></B></CODE>
572
573<BR>
574&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;This comparator implementation provides a subset of the features provided
575 by the Unix/GNU Sort.</TD>
576</TR>
577<TR BGCOLOR="white" CLASS="TableRowColor">
578<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
579<CODE>&nbsp;class</CODE></FONT></TD>
580<TD><CODE><B><A HREF="../../../../../org/apache/hadoop/mapred/lib/KeyFieldBasedPartitioner.html" title="class in org.apache.hadoop.mapred.lib">KeyFieldBasedPartitioner&lt;K2,V2&gt;</A></B></CODE>
581
582<BR>
583&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Defines a way to partition keys based on certain key fields (also see
584  <A HREF="../../../../../org/apache/hadoop/mapred/lib/KeyFieldBasedComparator.html" title="class in org.apache.hadoop.mapred.lib"><CODE>KeyFieldBasedComparator</CODE></A>.</TD>
585</TR>
586<TR BGCOLOR="white" CLASS="TableRowColor">
587<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
588<CODE>&nbsp;class</CODE></FONT></TD>
589<TD><CODE><B><A HREF="../../../../../org/apache/hadoop/mapred/lib/LongSumReducer.html" title="class in org.apache.hadoop.mapred.lib">LongSumReducer&lt;K&gt;</A></B></CODE>
590
591<BR>
592&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>Deprecated.</B>&nbsp;<I>Use <A HREF="../../../../../org/apache/hadoop/mapreduce/lib/reduce/LongSumReducer.html" title="class in org.apache.hadoop.mapreduce.lib.reduce"><CODE>LongSumReducer</CODE></A>
593    instead.</I></TD>
594</TR>
595<TR BGCOLOR="white" CLASS="TableRowColor">
596<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
597<CODE>&nbsp;class</CODE></FONT></TD>
598<TD><CODE><B><A HREF="../../../../../org/apache/hadoop/mapred/lib/MultithreadedMapRunner.html" title="class in org.apache.hadoop.mapred.lib">MultithreadedMapRunner&lt;K1,V1,K2,V2&gt;</A></B></CODE>
599
600<BR>
601&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Multithreaded implementation for @link org.apache.hadoop.mapred.MapRunnable.</TD>
602</TR>
603<TR BGCOLOR="white" CLASS="TableRowColor">
604<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
605<CODE>&nbsp;class</CODE></FONT></TD>
606<TD><CODE><B><A HREF="../../../../../org/apache/hadoop/mapred/lib/NLineInputFormat.html" title="class in org.apache.hadoop.mapred.lib">NLineInputFormat</A></B></CODE>
607
608<BR>
609&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;NLineInputFormat which splits N lines of input as one split.</TD>
610</TR>
611<TR BGCOLOR="white" CLASS="TableRowColor">
612<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
613<CODE>&nbsp;class</CODE></FONT></TD>
614<TD><CODE><B><A HREF="../../../../../org/apache/hadoop/mapred/lib/RegexMapper.html" title="class in org.apache.hadoop.mapred.lib">RegexMapper&lt;K&gt;</A></B></CODE>
615
616<BR>
617&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;A <A HREF="../../../../../org/apache/hadoop/mapred/Mapper.html" title="interface in org.apache.hadoop.mapred"><CODE>Mapper</CODE></A> that extracts text matching a regular expression.</TD>
618</TR>
619<TR BGCOLOR="white" CLASS="TableRowColor">
620<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
621<CODE>&nbsp;class</CODE></FONT></TD>
622<TD><CODE><B><A HREF="../../../../../org/apache/hadoop/mapred/lib/TokenCountMapper.html" title="class in org.apache.hadoop.mapred.lib">TokenCountMapper&lt;K&gt;</A></B></CODE>
623
624<BR>
625&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>Deprecated.</B>&nbsp;<I>Use
626    <A HREF="../../../../../org/apache/hadoop/mapreduce/lib/map/TokenCounterMapper.html" title="class in org.apache.hadoop.mapreduce.lib.map"><CODE>TokenCounterMapper</CODE></A> instead.</I></TD>
627</TR>
628<TR BGCOLOR="white" CLASS="TableRowColor">
629<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
630<CODE>&nbsp;class</CODE></FONT></TD>
631<TD><CODE><B><A HREF="../../../../../org/apache/hadoop/mapred/lib/TotalOrderPartitioner.html" title="class in org.apache.hadoop.mapred.lib">TotalOrderPartitioner&lt;K extends WritableComparable,V&gt;</A></B></CODE>
632
633<BR>
634&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Partitioner effecting a total order by reading split points from
635 an externally generated source.</TD>
636</TR>
637</TABLE>
638&nbsp;
639<P>
640<A NAME="org.apache.hadoop.mapred.lib.aggregate"><!-- --></A>
641<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
642<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
643<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
644Uses of <A HREF="../../../../../org/apache/hadoop/mapred/JobConfigurable.html" title="interface in org.apache.hadoop.mapred">JobConfigurable</A> in <A HREF="../../../../../org/apache/hadoop/mapred/lib/aggregate/package-summary.html">org.apache.hadoop.mapred.lib.aggregate</A></FONT></TH>
645</TR>
646</TABLE>
647&nbsp;
648<P>
649
650<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
651<TR BGCOLOR="#CCCCFF" CLASS="TableSubHeadingColor">
652<TH ALIGN="left" COLSPAN="2">Classes in <A HREF="../../../../../org/apache/hadoop/mapred/lib/aggregate/package-summary.html">org.apache.hadoop.mapred.lib.aggregate</A> that implement <A HREF="../../../../../org/apache/hadoop/mapred/JobConfigurable.html" title="interface in org.apache.hadoop.mapred">JobConfigurable</A></FONT></TH>
653</TR>
654<TR BGCOLOR="white" CLASS="TableRowColor">
655<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
656<CODE>&nbsp;class</CODE></FONT></TD>
657<TD><CODE><B><A HREF="../../../../../org/apache/hadoop/mapred/lib/aggregate/ValueAggregatorCombiner.html" title="class in org.apache.hadoop.mapred.lib.aggregate">ValueAggregatorCombiner&lt;K1 extends WritableComparable,V1 extends Writable&gt;</A></B></CODE>
658
659<BR>
660&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;This class implements the generic combiner of Aggregate.</TD>
661</TR>
662<TR BGCOLOR="white" CLASS="TableRowColor">
663<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
664<CODE>&nbsp;class</CODE></FONT></TD>
665<TD><CODE><B><A HREF="../../../../../org/apache/hadoop/mapred/lib/aggregate/ValueAggregatorJobBase.html" title="class in org.apache.hadoop.mapred.lib.aggregate">ValueAggregatorJobBase&lt;K1 extends WritableComparable,V1 extends Writable&gt;</A></B></CODE>
666
667<BR>
668&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;This abstract class implements some common functionalities of the
669 the generic mapper, reducer and combiner classes of Aggregate.</TD>
670</TR>
671<TR BGCOLOR="white" CLASS="TableRowColor">
672<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
673<CODE>&nbsp;class</CODE></FONT></TD>
674<TD><CODE><B><A HREF="../../../../../org/apache/hadoop/mapred/lib/aggregate/ValueAggregatorMapper.html" title="class in org.apache.hadoop.mapred.lib.aggregate">ValueAggregatorMapper&lt;K1 extends WritableComparable,V1 extends Writable&gt;</A></B></CODE>
675
676<BR>
677&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;This class implements the generic mapper of Aggregate.</TD>
678</TR>
679<TR BGCOLOR="white" CLASS="TableRowColor">
680<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
681<CODE>&nbsp;class</CODE></FONT></TD>
682<TD><CODE><B><A HREF="../../../../../org/apache/hadoop/mapred/lib/aggregate/ValueAggregatorReducer.html" title="class in org.apache.hadoop.mapred.lib.aggregate">ValueAggregatorReducer&lt;K1 extends WritableComparable,V1 extends Writable&gt;</A></B></CODE>
683
684<BR>
685&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;This class implements the generic reducer of Aggregate.</TD>
686</TR>
687</TABLE>
688&nbsp;
689<P>
690<A NAME="org.apache.hadoop.mapred.lib.db"><!-- --></A>
691<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
692<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
693<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
694Uses of <A HREF="../../../../../org/apache/hadoop/mapred/JobConfigurable.html" title="interface in org.apache.hadoop.mapred">JobConfigurable</A> in <A HREF="../../../../../org/apache/hadoop/mapred/lib/db/package-summary.html">org.apache.hadoop.mapred.lib.db</A></FONT></TH>
695</TR>
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698<P>
699
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702<TH ALIGN="left" COLSPAN="2">Classes in <A HREF="../../../../../org/apache/hadoop/mapred/lib/db/package-summary.html">org.apache.hadoop.mapred.lib.db</A> that implement <A HREF="../../../../../org/apache/hadoop/mapred/JobConfigurable.html" title="interface in org.apache.hadoop.mapred">JobConfigurable</A></FONT></TH>
703</TR>
704<TR BGCOLOR="white" CLASS="TableRowColor">
705<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
706<CODE>&nbsp;class</CODE></FONT></TD>
707<TD><CODE><B><A HREF="../../../../../org/apache/hadoop/mapred/lib/db/DBInputFormat.html" title="class in org.apache.hadoop.mapred.lib.db">DBInputFormat&lt;T extends DBWritable&gt;</A></B></CODE>
708
709<BR>
710&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;A InputFormat that reads input data from an SQL table.</TD>
711</TR>
712</TABLE>
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719Uses of <A HREF="../../../../../org/apache/hadoop/mapred/JobConfigurable.html" title="interface in org.apache.hadoop.mapred">JobConfigurable</A> in <A HREF="../../../../../org/apache/hadoop/streaming/package-summary.html">org.apache.hadoop.streaming</A></FONT></TH>
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724
725<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
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727<TH ALIGN="left" COLSPAN="2">Classes in <A HREF="../../../../../org/apache/hadoop/streaming/package-summary.html">org.apache.hadoop.streaming</A> that implement <A HREF="../../../../../org/apache/hadoop/mapred/JobConfigurable.html" title="interface in org.apache.hadoop.mapred">JobConfigurable</A></FONT></TH>
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729<TR BGCOLOR="white" CLASS="TableRowColor">
730<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
731<CODE>&nbsp;class</CODE></FONT></TD>
732<TD><CODE><B><A HREF="../../../../../org/apache/hadoop/streaming/PipeMapper.html" title="class in org.apache.hadoop.streaming">PipeMapper</A></B></CODE>
733
734<BR>
735&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;A generic Mapper bridge.</TD>
736</TR>
737<TR BGCOLOR="white" CLASS="TableRowColor">
738<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
739<CODE>&nbsp;class</CODE></FONT></TD>
740<TD><CODE><B><A HREF="../../../../../org/apache/hadoop/streaming/PipeMapRunner.html" title="class in org.apache.hadoop.streaming">PipeMapRunner&lt;K1,V1,K2,V2&gt;</A></B></CODE>
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742<BR>
743&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
744</TR>
745<TR BGCOLOR="white" CLASS="TableRowColor">
746<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
747<CODE>&nbsp;class</CODE></FONT></TD>
748<TD><CODE><B><A HREF="../../../../../org/apache/hadoop/streaming/PipeReducer.html" title="class in org.apache.hadoop.streaming">PipeReducer</A></B></CODE>
749
750<BR>
751&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;A generic Reducer bridge.</TD>
752</TR>
753<TR BGCOLOR="white" CLASS="TableRowColor">
754<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
755<CODE>&nbsp;class</CODE></FONT></TD>
756<TD><CODE><B><A HREF="../../../../../org/apache/hadoop/streaming/StreamInputFormat.html" title="class in org.apache.hadoop.streaming">StreamInputFormat</A></B></CODE>
757
758<BR>
759&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;An input format that selects a RecordReader based on a JobConf property.</TD>
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