source: proiecte/HadoopJUnit/hadoop-0.20.1/docs/api/org/apache/hadoop/mapreduce/Mapper.Context.html @ 120

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7Mapper.Context (Hadoop 0.20.1 API)
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79  SUMMARY:&nbsp;NESTED&nbsp;|&nbsp;<A HREF="#fields_inherited_from_class_org.apache.hadoop.mapreduce.JobContext">FIELD</A>&nbsp;|&nbsp;<A HREF="#constructor_summary">CONSTR</A>&nbsp;|&nbsp;<A HREF="#methods_inherited_from_class_org.apache.hadoop.mapreduce.MapContext">METHOD</A></FONT></TD>
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89<H2>
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91org.apache.hadoop.mapreduce</FONT>
92<BR>
93Class Mapper.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/MapContext.html" title="class in org.apache.hadoop.mapreduce">org.apache.hadoop.mapreduce.MapContext</A>&lt;KEYIN,VALUEIN,KEYOUT,VALUEOUT&gt;
100                  <IMG SRC="../../../../resources/inherit.gif" ALT="extended by "><B>org.apache.hadoop.mapreduce.Mapper.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/Mapper.html" title="class in org.apache.hadoop.mapreduce">Mapper</A>&lt;<A HREF="../../../../org/apache/hadoop/mapreduce/Mapper.html" title="type parameter in Mapper">KEYIN</A>,<A HREF="../../../../org/apache/hadoop/mapreduce/Mapper.html" title="type parameter in Mapper">VALUEIN</A>,<A HREF="../../../../org/apache/hadoop/mapreduce/Mapper.html" title="type parameter in Mapper">KEYOUT</A>,<A HREF="../../../../org/apache/hadoop/mapreduce/Mapper.html" title="type parameter in Mapper">VALUEOUT</A>&gt;</DD>
107</DL>
108<HR>
109<DL>
110<DT><PRE>public class <B>Mapper.Context</B><DT>extends <A HREF="../../../../org/apache/hadoop/mapreduce/MapContext.html" title="class in org.apache.hadoop.mapreduce">MapContext</A>&lt;KEYIN,VALUEIN,KEYOUT,VALUEOUT&gt;</DL>
111</PRE>
112
113<P>
114<HR>
115
116<P>
117<!-- =========== FIELD SUMMARY =========== -->
118
119<A NAME="field_summary"><!-- --></A>
120<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
121<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
122<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
123<B>Field Summary</B></FONT></TH>
124</TR>
125</TABLE>
126&nbsp;<A NAME="fields_inherited_from_class_org.apache.hadoop.mapreduce.JobContext"><!-- --></A>
127<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
128<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
129<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>
130</TR>
131<TR BGCOLOR="white" CLASS="TableRowColor">
132<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>
133</TR>
134</TABLE>
135&nbsp;
136<!-- ======== CONSTRUCTOR SUMMARY ======== -->
137
138<A NAME="constructor_summary"><!-- --></A>
139<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
140<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
141<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
142<B>Constructor Summary</B></FONT></TH>
143</TR>
144<TR BGCOLOR="white" CLASS="TableRowColor">
145<TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapreduce/Mapper.Context.html#Mapper.Context(org.apache.hadoop.conf.Configuration, org.apache.hadoop.mapreduce.TaskAttemptID, org.apache.hadoop.mapreduce.RecordReader, org.apache.hadoop.mapreduce.RecordWriter, org.apache.hadoop.mapreduce.OutputCommitter, org.apache.hadoop.mapreduce.StatusReporter, org.apache.hadoop.mapreduce.InputSplit)">Mapper.Context</A></B>(<A HREF="../../../../org/apache/hadoop/conf/Configuration.html" title="class in org.apache.hadoop.conf">Configuration</A>&nbsp;conf,
146               <A HREF="../../../../org/apache/hadoop/mapreduce/TaskAttemptID.html" title="class in org.apache.hadoop.mapreduce">TaskAttemptID</A>&nbsp;taskid,
147               <A HREF="../../../../org/apache/hadoop/mapreduce/RecordReader.html" title="class in org.apache.hadoop.mapreduce">RecordReader</A>&lt;<A HREF="../../../../org/apache/hadoop/mapreduce/Mapper.html" title="type parameter in Mapper">KEYIN</A>,<A HREF="../../../../org/apache/hadoop/mapreduce/Mapper.html" title="type parameter in Mapper">VALUEIN</A>&gt;&nbsp;reader,
148               <A HREF="../../../../org/apache/hadoop/mapreduce/RecordWriter.html" title="class in org.apache.hadoop.mapreduce">RecordWriter</A>&lt;<A HREF="../../../../org/apache/hadoop/mapreduce/Mapper.html" title="type parameter in Mapper">KEYOUT</A>,<A HREF="../../../../org/apache/hadoop/mapreduce/Mapper.html" title="type parameter in Mapper">VALUEOUT</A>&gt;&nbsp;writer,
149               <A HREF="../../../../org/apache/hadoop/mapreduce/OutputCommitter.html" title="class in org.apache.hadoop.mapreduce">OutputCommitter</A>&nbsp;committer,
150               <A HREF="../../../../org/apache/hadoop/mapreduce/StatusReporter.html" title="class in org.apache.hadoop.mapreduce">StatusReporter</A>&nbsp;reporter,
151               <A HREF="../../../../org/apache/hadoop/mapreduce/InputSplit.html" title="class in org.apache.hadoop.mapreduce">InputSplit</A>&nbsp;split)</CODE>
152
153<BR>
154&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
155</TR>
156</TABLE>
157&nbsp;
158<!-- ========== METHOD SUMMARY =========== -->
159
160<A NAME="method_summary"><!-- --></A>
161<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
162<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
163<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
164<B>Method Summary</B></FONT></TH>
165</TR>
166</TABLE>
167&nbsp;<A NAME="methods_inherited_from_class_org.apache.hadoop.mapreduce.MapContext"><!-- --></A>
168<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
169<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
170<TH ALIGN="left"><B>Methods inherited from class org.apache.hadoop.mapreduce.<A HREF="../../../../org/apache/hadoop/mapreduce/MapContext.html" title="class in org.apache.hadoop.mapreduce">MapContext</A></B></TH>
171</TR>
172<TR BGCOLOR="white" CLASS="TableRowColor">
173<TD><CODE><A HREF="../../../../org/apache/hadoop/mapreduce/MapContext.html#getCurrentKey()">getCurrentKey</A>, <A HREF="../../../../org/apache/hadoop/mapreduce/MapContext.html#getCurrentValue()">getCurrentValue</A>, <A HREF="../../../../org/apache/hadoop/mapreduce/MapContext.html#getInputSplit()">getInputSplit</A>, <A HREF="../../../../org/apache/hadoop/mapreduce/MapContext.html#nextKeyValue()">nextKeyValue</A></CODE></TD>
174</TR>
175</TABLE>
176&nbsp;<A NAME="methods_inherited_from_class_org.apache.hadoop.mapreduce.TaskInputOutputContext"><!-- --></A>
177<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
178<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
179<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>
180</TR>
181<TR BGCOLOR="white" CLASS="TableRowColor">
182<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>
183</TR>
184</TABLE>
185&nbsp;<A NAME="methods_inherited_from_class_org.apache.hadoop.mapreduce.TaskAttemptContext"><!-- --></A>
186<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
187<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
188<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>
189</TR>
190<TR BGCOLOR="white" CLASS="TableRowColor">
191<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>
192</TR>
193</TABLE>
194&nbsp;<A NAME="methods_inherited_from_class_org.apache.hadoop.mapreduce.JobContext"><!-- --></A>
195<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
196<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
197<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>
198</TR>
199<TR BGCOLOR="white" CLASS="TableRowColor">
200<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>
201</TR>
202</TABLE>
203&nbsp;<A NAME="methods_inherited_from_class_java.lang.Object"><!-- --></A>
204<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
205<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
206<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>
207</TR>
208<TR BGCOLOR="white" CLASS="TableRowColor">
209<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>
210</TR>
211</TABLE>
212&nbsp;
213<P>
214
215<!-- ========= CONSTRUCTOR DETAIL ======== -->
216
217<A NAME="constructor_detail"><!-- --></A>
218<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
219<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
220<TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2">
221<B>Constructor Detail</B></FONT></TH>
222</TR>
223</TABLE>
224
225<A NAME="Mapper.Context(org.apache.hadoop.conf.Configuration, org.apache.hadoop.mapreduce.TaskAttemptID, org.apache.hadoop.mapreduce.RecordReader, org.apache.hadoop.mapreduce.RecordWriter, org.apache.hadoop.mapreduce.OutputCommitter, org.apache.hadoop.mapreduce.StatusReporter, org.apache.hadoop.mapreduce.InputSplit)"><!-- --></A><H3>
226Mapper.Context</H3>
227<PRE>
228public <B>Mapper.Context</B>(<A HREF="../../../../org/apache/hadoop/conf/Configuration.html" title="class in org.apache.hadoop.conf">Configuration</A>&nbsp;conf,
229                      <A HREF="../../../../org/apache/hadoop/mapreduce/TaskAttemptID.html" title="class in org.apache.hadoop.mapreduce">TaskAttemptID</A>&nbsp;taskid,
230                      <A HREF="../../../../org/apache/hadoop/mapreduce/RecordReader.html" title="class in org.apache.hadoop.mapreduce">RecordReader</A>&lt;<A HREF="../../../../org/apache/hadoop/mapreduce/Mapper.html" title="type parameter in Mapper">KEYIN</A>,<A HREF="../../../../org/apache/hadoop/mapreduce/Mapper.html" title="type parameter in Mapper">VALUEIN</A>&gt;&nbsp;reader,
231                      <A HREF="../../../../org/apache/hadoop/mapreduce/RecordWriter.html" title="class in org.apache.hadoop.mapreduce">RecordWriter</A>&lt;<A HREF="../../../../org/apache/hadoop/mapreduce/Mapper.html" title="type parameter in Mapper">KEYOUT</A>,<A HREF="../../../../org/apache/hadoop/mapreduce/Mapper.html" title="type parameter in Mapper">VALUEOUT</A>&gt;&nbsp;writer,
232                      <A HREF="../../../../org/apache/hadoop/mapreduce/OutputCommitter.html" title="class in org.apache.hadoop.mapreduce">OutputCommitter</A>&nbsp;committer,
233                      <A HREF="../../../../org/apache/hadoop/mapreduce/StatusReporter.html" title="class in org.apache.hadoop.mapreduce">StatusReporter</A>&nbsp;reporter,
234                      <A HREF="../../../../org/apache/hadoop/mapreduce/InputSplit.html" title="class in org.apache.hadoop.mapreduce">InputSplit</A>&nbsp;split)
235               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>,
236                      <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>
237<DL>
238<DL>
239
240<DT><B>Throws:</B>
241<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>
242<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>
243</DL>
244<!-- ========= END OF CLASS DATA ========= -->
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