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7Reducer.Context (Hadoop 0.20.1 API)
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79  SUMMARY:&nbsp;<A HREF="#nested_classes_inherited_from_class_org.apache.hadoop.mapreduce.ReduceContext">NESTED</A>&nbsp;|&nbsp;<A HREF="#fields_inherited_from_class_org.apache.hadoop.mapreduce.ReduceContext">FIELD</A>&nbsp;|&nbsp;<A HREF="#constructor_summary">CONSTR</A>&nbsp;|&nbsp;<A HREF="#methods_inherited_from_class_org.apache.hadoop.mapreduce.ReduceContext">METHOD</A></FONT></TD>
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91org.apache.hadoop.mapreduce</FONT>
92<BR>
93Class Reducer.Context</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/JobContext.html" title="class in org.apache.hadoop.mapreduce">org.apache.hadoop.mapreduce.JobContext</A>
97      <IMG SRC="../../../../resources/inherit.gif" ALT="extended by "><A HREF="../../../../org/apache/hadoop/mapreduce/TaskAttemptContext.html" title="class in org.apache.hadoop.mapreduce">org.apache.hadoop.mapreduce.TaskAttemptContext</A>
98          <IMG SRC="../../../../resources/inherit.gif" ALT="extended by "><A HREF="../../../../org/apache/hadoop/mapreduce/TaskInputOutputContext.html" title="class in org.apache.hadoop.mapreduce">org.apache.hadoop.mapreduce.TaskInputOutputContext</A>&lt;KEYIN,VALUEIN,KEYOUT,VALUEOUT&gt;
99              <IMG SRC="../../../../resources/inherit.gif" ALT="extended by "><A HREF="../../../../org/apache/hadoop/mapreduce/ReduceContext.html" title="class in org.apache.hadoop.mapreduce">org.apache.hadoop.mapreduce.ReduceContext</A>&lt;KEYIN,VALUEIN,KEYOUT,VALUEOUT&gt;
100                  <IMG SRC="../../../../resources/inherit.gif" ALT="extended by "><B>org.apache.hadoop.mapreduce.Reducer.Context</B>
101</PRE>
102<DL>
103<DT><B>All Implemented Interfaces:</B> <DD><A HREF="../../../../org/apache/hadoop/util/Progressable.html" title="interface in org.apache.hadoop.util">Progressable</A></DD>
104</DL>
105<DL>
106<DT><B>Enclosing class:</B><DD><A HREF="../../../../org/apache/hadoop/mapreduce/Reducer.html" title="class in org.apache.hadoop.mapreduce">Reducer</A>&lt;<A HREF="../../../../org/apache/hadoop/mapreduce/Reducer.html" title="type parameter in Reducer">KEYIN</A>,<A HREF="../../../../org/apache/hadoop/mapreduce/Reducer.html" title="type parameter in Reducer">VALUEIN</A>,<A HREF="../../../../org/apache/hadoop/mapreduce/Reducer.html" title="type parameter in Reducer">KEYOUT</A>,<A HREF="../../../../org/apache/hadoop/mapreduce/Reducer.html" title="type parameter in Reducer">VALUEOUT</A>&gt;</DD>
107</DL>
108<HR>
109<DL>
110<DT><PRE>public class <B>Reducer.Context</B><DT>extends <A HREF="../../../../org/apache/hadoop/mapreduce/ReduceContext.html" title="class in org.apache.hadoop.mapreduce">ReduceContext</A>&lt;KEYIN,VALUEIN,KEYOUT,VALUEOUT&gt;</DL>
111</PRE>
112
113<P>
114<HR>
115
116<P>
117<!-- ======== NESTED CLASS SUMMARY ======== -->
118
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120<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
121<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
122<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
123<B>Nested Class Summary</B></FONT></TH>
124</TR>
125</TABLE>
126&nbsp;<A NAME="nested_classes_inherited_from_class_org.apache.hadoop.mapreduce.ReduceContext"><!-- --></A>
127<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
128<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
129<TH ALIGN="left"><B>Nested classes/interfaces inherited from class org.apache.hadoop.mapreduce.<A HREF="../../../../org/apache/hadoop/mapreduce/ReduceContext.html" title="class in org.apache.hadoop.mapreduce">ReduceContext</A></B></TH>
130</TR>
131<TR BGCOLOR="white" CLASS="TableRowColor">
132<TD><CODE><A HREF="../../../../org/apache/hadoop/mapreduce/ReduceContext.ValueIterable.html" title="class in org.apache.hadoop.mapreduce">ReduceContext.ValueIterable</A>, <A HREF="../../../../org/apache/hadoop/mapreduce/ReduceContext.ValueIterator.html" title="class in org.apache.hadoop.mapreduce">ReduceContext.ValueIterator</A></CODE></TD>
133</TR>
134</TABLE>
135&nbsp;
136<!-- =========== FIELD SUMMARY =========== -->
137
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139<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
140<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
141<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
142<B>Field Summary</B></FONT></TH>
143</TR>
144</TABLE>
145&nbsp;<A NAME="fields_inherited_from_class_org.apache.hadoop.mapreduce.ReduceContext"><!-- --></A>
146<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
147<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
148<TH ALIGN="left"><B>Fields inherited from class org.apache.hadoop.mapreduce.<A HREF="../../../../org/apache/hadoop/mapreduce/ReduceContext.html" title="class in org.apache.hadoop.mapreduce">ReduceContext</A></B></TH>
149</TR>
150<TR BGCOLOR="white" CLASS="TableRowColor">
151<TD><CODE><A HREF="../../../../org/apache/hadoop/mapreduce/ReduceContext.html#reporter">reporter</A></CODE></TD>
152</TR>
153</TABLE>
154&nbsp;<A NAME="fields_inherited_from_class_org.apache.hadoop.mapreduce.JobContext"><!-- --></A>
155<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
156<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
157<TH ALIGN="left"><B>Fields inherited from class org.apache.hadoop.mapreduce.<A HREF="../../../../org/apache/hadoop/mapreduce/JobContext.html" title="class in org.apache.hadoop.mapreduce">JobContext</A></B></TH>
158</TR>
159<TR BGCOLOR="white" CLASS="TableRowColor">
160<TD><CODE><A HREF="../../../../org/apache/hadoop/mapreduce/JobContext.html#COMBINE_CLASS_ATTR">COMBINE_CLASS_ATTR</A>, <A HREF="../../../../org/apache/hadoop/mapreduce/JobContext.html#conf">conf</A>, <A HREF="../../../../org/apache/hadoop/mapreduce/JobContext.html#INPUT_FORMAT_CLASS_ATTR">INPUT_FORMAT_CLASS_ATTR</A>, <A HREF="../../../../org/apache/hadoop/mapreduce/JobContext.html#MAP_CLASS_ATTR">MAP_CLASS_ATTR</A>, <A HREF="../../../../org/apache/hadoop/mapreduce/JobContext.html#OUTPUT_FORMAT_CLASS_ATTR">OUTPUT_FORMAT_CLASS_ATTR</A>, <A HREF="../../../../org/apache/hadoop/mapreduce/JobContext.html#PARTITIONER_CLASS_ATTR">PARTITIONER_CLASS_ATTR</A>, <A HREF="../../../../org/apache/hadoop/mapreduce/JobContext.html#REDUCE_CLASS_ATTR">REDUCE_CLASS_ATTR</A></CODE></TD>
161</TR>
162</TABLE>
163&nbsp;
164<!-- ======== CONSTRUCTOR SUMMARY ======== -->
165
166<A NAME="constructor_summary"><!-- --></A>
167<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
168<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
169<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
170<B>Constructor Summary</B></FONT></TH>
171</TR>
172<TR BGCOLOR="white" CLASS="TableRowColor">
173<TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapreduce/Reducer.Context.html#Reducer.Context(org.apache.hadoop.conf.Configuration, org.apache.hadoop.mapreduce.TaskAttemptID, org.apache.hadoop.mapred.RawKeyValueIterator, org.apache.hadoop.mapreduce.Counter, org.apache.hadoop.mapreduce.RecordWriter, org.apache.hadoop.mapreduce.OutputCommitter, org.apache.hadoop.mapreduce.StatusReporter, org.apache.hadoop.io.RawComparator, java.lang.Class, java.lang.Class)">Reducer.Context</A></B>(<A HREF="../../../../org/apache/hadoop/conf/Configuration.html" title="class in org.apache.hadoop.conf">Configuration</A>&nbsp;conf,
174                <A HREF="../../../../org/apache/hadoop/mapreduce/TaskAttemptID.html" title="class in org.apache.hadoop.mapreduce">TaskAttemptID</A>&nbsp;taskid,
175                <A HREF="../../../../org/apache/hadoop/mapred/RawKeyValueIterator.html" title="interface in org.apache.hadoop.mapred">RawKeyValueIterator</A>&nbsp;input,
176                <A HREF="../../../../org/apache/hadoop/mapreduce/Counter.html" title="class in org.apache.hadoop.mapreduce">Counter</A>&nbsp;inputCounter,
177                <A HREF="../../../../org/apache/hadoop/mapreduce/RecordWriter.html" title="class in org.apache.hadoop.mapreduce">RecordWriter</A>&lt;<A HREF="../../../../org/apache/hadoop/mapreduce/Reducer.html" title="type parameter in Reducer">KEYOUT</A>,<A HREF="../../../../org/apache/hadoop/mapreduce/Reducer.html" title="type parameter in Reducer">VALUEOUT</A>&gt;&nbsp;output,
178                <A HREF="../../../../org/apache/hadoop/mapreduce/OutputCommitter.html" title="class in org.apache.hadoop.mapreduce">OutputCommitter</A>&nbsp;committer,
179                <A HREF="../../../../org/apache/hadoop/mapreduce/StatusReporter.html" title="class in org.apache.hadoop.mapreduce">StatusReporter</A>&nbsp;reporter,
180                <A HREF="../../../../org/apache/hadoop/io/RawComparator.html" title="interface in org.apache.hadoop.io">RawComparator</A>&lt;<A HREF="../../../../org/apache/hadoop/mapreduce/Reducer.html" title="type parameter in Reducer">KEYIN</A>&gt;&nbsp;comparator,
181                <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</A>&lt;<A HREF="../../../../org/apache/hadoop/mapreduce/Reducer.html" title="type parameter in Reducer">KEYIN</A>&gt;&nbsp;keyClass,
182                <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</A>&lt;<A HREF="../../../../org/apache/hadoop/mapreduce/Reducer.html" title="type parameter in Reducer">VALUEIN</A>&gt;&nbsp;valueClass)</CODE>
183
184<BR>
185&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
186</TR>
187</TABLE>
188&nbsp;
189<!-- ========== METHOD SUMMARY =========== -->
190
191<A NAME="method_summary"><!-- --></A>
192<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
193<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
194<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
195<B>Method Summary</B></FONT></TH>
196</TR>
197</TABLE>
198&nbsp;<A NAME="methods_inherited_from_class_org.apache.hadoop.mapreduce.ReduceContext"><!-- --></A>
199<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
200<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
201<TH ALIGN="left"><B>Methods inherited from class org.apache.hadoop.mapreduce.<A HREF="../../../../org/apache/hadoop/mapreduce/ReduceContext.html" title="class in org.apache.hadoop.mapreduce">ReduceContext</A></B></TH>
202</TR>
203<TR BGCOLOR="white" CLASS="TableRowColor">
204<TD><CODE><A HREF="../../../../org/apache/hadoop/mapreduce/ReduceContext.html#getCurrentKey()">getCurrentKey</A>, <A HREF="../../../../org/apache/hadoop/mapreduce/ReduceContext.html#getCurrentValue()">getCurrentValue</A>, <A HREF="../../../../org/apache/hadoop/mapreduce/ReduceContext.html#getValues()">getValues</A>, <A HREF="../../../../org/apache/hadoop/mapreduce/ReduceContext.html#nextKey()">nextKey</A>, <A HREF="../../../../org/apache/hadoop/mapreduce/ReduceContext.html#nextKeyValue()">nextKeyValue</A></CODE></TD>
205</TR>
206</TABLE>
207&nbsp;<A NAME="methods_inherited_from_class_org.apache.hadoop.mapreduce.TaskInputOutputContext"><!-- --></A>
208<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
209<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
210<TH ALIGN="left"><B>Methods inherited from class org.apache.hadoop.mapreduce.<A HREF="../../../../org/apache/hadoop/mapreduce/TaskInputOutputContext.html" title="class in org.apache.hadoop.mapreduce">TaskInputOutputContext</A></B></TH>
211</TR>
212<TR BGCOLOR="white" CLASS="TableRowColor">
213<TD><CODE><A HREF="../../../../org/apache/hadoop/mapreduce/TaskInputOutputContext.html#getCounter(java.lang.Enum)">getCounter</A>, <A HREF="../../../../org/apache/hadoop/mapreduce/TaskInputOutputContext.html#getCounter(java.lang.String, java.lang.String)">getCounter</A>, <A HREF="../../../../org/apache/hadoop/mapreduce/TaskInputOutputContext.html#getOutputCommitter()">getOutputCommitter</A>, <A HREF="../../../../org/apache/hadoop/mapreduce/TaskInputOutputContext.html#progress()">progress</A>, <A HREF="../../../../org/apache/hadoop/mapreduce/TaskInputOutputContext.html#setStatus(java.lang.String)">setStatus</A>, <A HREF="../../../../org/apache/hadoop/mapreduce/TaskInputOutputContext.html#write(KEYOUT, VALUEOUT)">write</A></CODE></TD>
214</TR>
215</TABLE>
216&nbsp;<A NAME="methods_inherited_from_class_org.apache.hadoop.mapreduce.TaskAttemptContext"><!-- --></A>
217<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
218<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
219<TH ALIGN="left"><B>Methods inherited from class org.apache.hadoop.mapreduce.<A HREF="../../../../org/apache/hadoop/mapreduce/TaskAttemptContext.html" title="class in org.apache.hadoop.mapreduce">TaskAttemptContext</A></B></TH>
220</TR>
221<TR BGCOLOR="white" CLASS="TableRowColor">
222<TD><CODE><A HREF="../../../../org/apache/hadoop/mapreduce/TaskAttemptContext.html#getStatus()">getStatus</A>, <A HREF="../../../../org/apache/hadoop/mapreduce/TaskAttemptContext.html#getTaskAttemptID()">getTaskAttemptID</A></CODE></TD>
223</TR>
224</TABLE>
225&nbsp;<A NAME="methods_inherited_from_class_org.apache.hadoop.mapreduce.JobContext"><!-- --></A>
226<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
227<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
228<TH ALIGN="left"><B>Methods inherited from class org.apache.hadoop.mapreduce.<A HREF="../../../../org/apache/hadoop/mapreduce/JobContext.html" title="class in org.apache.hadoop.mapreduce">JobContext</A></B></TH>
229</TR>
230<TR BGCOLOR="white" CLASS="TableRowColor">
231<TD><CODE><A HREF="../../../../org/apache/hadoop/mapreduce/JobContext.html#getCombinerClass()">getCombinerClass</A>, <A HREF="../../../../org/apache/hadoop/mapreduce/JobContext.html#getConfiguration()">getConfiguration</A>, <A HREF="../../../../org/apache/hadoop/mapreduce/JobContext.html#getGroupingComparator()">getGroupingComparator</A>, <A HREF="../../../../org/apache/hadoop/mapreduce/JobContext.html#getInputFormatClass()">getInputFormatClass</A>, <A HREF="../../../../org/apache/hadoop/mapreduce/JobContext.html#getJar()">getJar</A>, <A HREF="../../../../org/apache/hadoop/mapreduce/JobContext.html#getJobID()">getJobID</A>, <A HREF="../../../../org/apache/hadoop/mapreduce/JobContext.html#getJobName()">getJobName</A>, <A HREF="../../../../org/apache/hadoop/mapreduce/JobContext.html#getMapOutputKeyClass()">getMapOutputKeyClass</A>, <A HREF="../../../../org/apache/hadoop/mapreduce/JobContext.html#getMapOutputValueClass()">getMapOutputValueClass</A>, <A HREF="../../../../org/apache/hadoop/mapreduce/JobContext.html#getMapperClass()">getMapperClass</A>, <A HREF="../../../../org/apache/hadoop/mapreduce/JobContext.html#getNumReduceTasks()">getNumReduceTasks</A>, <A HREF="../../../../org/apache/hadoop/mapreduce/JobContext.html#getOutputFormatClass()">getOutputFormatClass</A>, <A HREF="../../../../org/apache/hadoop/mapreduce/JobContext.html#getOutputKeyClass()">getOutputKeyClass</A>, <A HREF="../../../../org/apache/hadoop/mapreduce/JobContext.html#getOutputValueClass()">getOutputValueClass</A>, <A HREF="../../../../org/apache/hadoop/mapreduce/JobContext.html#getPartitionerClass()">getPartitionerClass</A>, <A HREF="../../../../org/apache/hadoop/mapreduce/JobContext.html#getReducerClass()">getReducerClass</A>, <A HREF="../../../../org/apache/hadoop/mapreduce/JobContext.html#getSortComparator()">getSortComparator</A>, <A HREF="../../../../org/apache/hadoop/mapreduce/JobContext.html#getWorkingDirectory()">getWorkingDirectory</A></CODE></TD>
232</TR>
233</TABLE>
234&nbsp;<A NAME="methods_inherited_from_class_java.lang.Object"><!-- --></A>
235<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
236<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
237<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>
238</TR>
239<TR BGCOLOR="white" CLASS="TableRowColor">
240<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>
241</TR>
242</TABLE>
243&nbsp;
244<P>
245
246<!-- ========= CONSTRUCTOR DETAIL ======== -->
247
248<A NAME="constructor_detail"><!-- --></A>
249<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
250<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
251<TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2">
252<B>Constructor Detail</B></FONT></TH>
253</TR>
254</TABLE>
255
256<A NAME="Reducer.Context(org.apache.hadoop.conf.Configuration, org.apache.hadoop.mapreduce.TaskAttemptID, org.apache.hadoop.mapred.RawKeyValueIterator, org.apache.hadoop.mapreduce.Counter, org.apache.hadoop.mapreduce.RecordWriter, org.apache.hadoop.mapreduce.OutputCommitter, org.apache.hadoop.mapreduce.StatusReporter, org.apache.hadoop.io.RawComparator, java.lang.Class, java.lang.Class)"><!-- --></A><H3>
257Reducer.Context</H3>
258<PRE>
259public <B>Reducer.Context</B>(<A HREF="../../../../org/apache/hadoop/conf/Configuration.html" title="class in org.apache.hadoop.conf">Configuration</A>&nbsp;conf,
260                       <A HREF="../../../../org/apache/hadoop/mapreduce/TaskAttemptID.html" title="class in org.apache.hadoop.mapreduce">TaskAttemptID</A>&nbsp;taskid,
261                       <A HREF="../../../../org/apache/hadoop/mapred/RawKeyValueIterator.html" title="interface in org.apache.hadoop.mapred">RawKeyValueIterator</A>&nbsp;input,
262                       <A HREF="../../../../org/apache/hadoop/mapreduce/Counter.html" title="class in org.apache.hadoop.mapreduce">Counter</A>&nbsp;inputCounter,
263                       <A HREF="../../../../org/apache/hadoop/mapreduce/RecordWriter.html" title="class in org.apache.hadoop.mapreduce">RecordWriter</A>&lt;<A HREF="../../../../org/apache/hadoop/mapreduce/Reducer.html" title="type parameter in Reducer">KEYOUT</A>,<A HREF="../../../../org/apache/hadoop/mapreduce/Reducer.html" title="type parameter in Reducer">VALUEOUT</A>&gt;&nbsp;output,
264                       <A HREF="../../../../org/apache/hadoop/mapreduce/OutputCommitter.html" title="class in org.apache.hadoop.mapreduce">OutputCommitter</A>&nbsp;committer,
265                       <A HREF="../../../../org/apache/hadoop/mapreduce/StatusReporter.html" title="class in org.apache.hadoop.mapreduce">StatusReporter</A>&nbsp;reporter,
266                       <A HREF="../../../../org/apache/hadoop/io/RawComparator.html" title="interface in org.apache.hadoop.io">RawComparator</A>&lt;<A HREF="../../../../org/apache/hadoop/mapreduce/Reducer.html" title="type parameter in Reducer">KEYIN</A>&gt;&nbsp;comparator,
267                       <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</A>&lt;<A HREF="../../../../org/apache/hadoop/mapreduce/Reducer.html" title="type parameter in Reducer">KEYIN</A>&gt;&nbsp;keyClass,
268                       <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</A>&lt;<A HREF="../../../../org/apache/hadoop/mapreduce/Reducer.html" title="type parameter in Reducer">VALUEIN</A>&gt;&nbsp;valueClass)
269                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>,
270                       <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/InterruptedException.html?is-external=true" title="class or interface in java.lang">InterruptedException</A></PRE>
271<DL>
272<DL>
273
274<DT><B>Throws:</B>
275<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>
276<DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/lang/InterruptedException.html?is-external=true" title="class or interface in java.lang">InterruptedException</A></CODE></DL>
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