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7TaskAttemptContext (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="#method_summary">METHOD</A></FONT></TD>
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91org.apache.hadoop.mapreduce</FONT>
92<BR>
93Class TaskAttemptContext</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 "><B>org.apache.hadoop.mapreduce.TaskAttemptContext</B>
98</PRE>
99<DL>
100<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>
101</DL>
102<DL>
103<DT><B>Direct Known Subclasses:</B> <DD><A HREF="../../../../org/apache/hadoop/mapred/TaskAttemptContext.html" title="class in org.apache.hadoop.mapred">TaskAttemptContext</A>, <A HREF="../../../../org/apache/hadoop/mapreduce/TaskInputOutputContext.html" title="class in org.apache.hadoop.mapreduce">TaskInputOutputContext</A></DD>
104</DL>
105<HR>
106<DL>
107<DT><PRE>public class <B>TaskAttemptContext</B><DT>extends <A HREF="../../../../org/apache/hadoop/mapreduce/JobContext.html" title="class in org.apache.hadoop.mapreduce">JobContext</A><DT>implements <A HREF="../../../../org/apache/hadoop/util/Progressable.html" title="interface in org.apache.hadoop.util">Progressable</A></DL>
108</PRE>
109
110<P>
111The context for task attempts.
112<P>
113
114<P>
115<HR>
116
117<P>
118<!-- =========== FIELD SUMMARY =========== -->
119
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123<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
124<B>Field Summary</B></FONT></TH>
125</TR>
126</TABLE>
127&nbsp;<A NAME="fields_inherited_from_class_org.apache.hadoop.mapreduce.JobContext"><!-- --></A>
128<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
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130<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>
131</TR>
132<TR BGCOLOR="white" CLASS="TableRowColor">
133<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>
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135</TABLE>
136&nbsp;
137<!-- ======== CONSTRUCTOR SUMMARY ======== -->
138
139<A NAME="constructor_summary"><!-- --></A>
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142<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
143<B>Constructor Summary</B></FONT></TH>
144</TR>
145<TR BGCOLOR="white" CLASS="TableRowColor">
146<TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapreduce/TaskAttemptContext.html#TaskAttemptContext(org.apache.hadoop.conf.Configuration, org.apache.hadoop.mapreduce.TaskAttemptID)">TaskAttemptContext</A></B>(<A HREF="../../../../org/apache/hadoop/conf/Configuration.html" title="class in org.apache.hadoop.conf">Configuration</A>&nbsp;conf,
147                   <A HREF="../../../../org/apache/hadoop/mapreduce/TaskAttemptID.html" title="class in org.apache.hadoop.mapreduce">TaskAttemptID</A>&nbsp;taskId)</CODE>
148
149<BR>
150&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
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152</TABLE>
153&nbsp;
154<!-- ========== METHOD SUMMARY =========== -->
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159<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
160<B>Method Summary</B></FONT></TH>
161</TR>
162<TR BGCOLOR="white" CLASS="TableRowColor">
163<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
164<CODE>&nbsp;<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A></CODE></FONT></TD>
165<TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapreduce/TaskAttemptContext.html#getStatus()">getStatus</A></B>()</CODE>
166
167<BR>
168&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Get the last set status message.</TD>
169</TR>
170<TR BGCOLOR="white" CLASS="TableRowColor">
171<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
172<CODE>&nbsp;<A HREF="../../../../org/apache/hadoop/mapreduce/TaskAttemptID.html" title="class in org.apache.hadoop.mapreduce">TaskAttemptID</A></CODE></FONT></TD>
173<TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapreduce/TaskAttemptContext.html#getTaskAttemptID()">getTaskAttemptID</A></B>()</CODE>
174
175<BR>
176&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Get the unique name for this task attempt.</TD>
177</TR>
178<TR BGCOLOR="white" CLASS="TableRowColor">
179<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
180<CODE>&nbsp;void</CODE></FONT></TD>
181<TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapreduce/TaskAttemptContext.html#progress()">progress</A></B>()</CODE>
182
183<BR>
184&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Report progress.</TD>
185</TR>
186<TR BGCOLOR="white" CLASS="TableRowColor">
187<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
188<CODE>&nbsp;void</CODE></FONT></TD>
189<TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapreduce/TaskAttemptContext.html#setStatus(java.lang.String)">setStatus</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A>&nbsp;msg)</CODE>
190
191<BR>
192&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Set the current status of the task to the given string.</TD>
193</TR>
194</TABLE>
195&nbsp;<A NAME="methods_inherited_from_class_org.apache.hadoop.mapreduce.JobContext"><!-- --></A>
196<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
197<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
198<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>
199</TR>
200<TR BGCOLOR="white" CLASS="TableRowColor">
201<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>
202</TR>
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207<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>
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211</TR>
212</TABLE>
213&nbsp;
214<P>
215
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222<B>Constructor Detail</B></FONT></TH>
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224</TABLE>
225
226<A NAME="TaskAttemptContext(org.apache.hadoop.conf.Configuration, org.apache.hadoop.mapreduce.TaskAttemptID)"><!-- --></A><H3>
227TaskAttemptContext</H3>
228<PRE>
229public <B>TaskAttemptContext</B>(<A HREF="../../../../org/apache/hadoop/conf/Configuration.html" title="class in org.apache.hadoop.conf">Configuration</A>&nbsp;conf,
230                          <A HREF="../../../../org/apache/hadoop/mapreduce/TaskAttemptID.html" title="class in org.apache.hadoop.mapreduce">TaskAttemptID</A>&nbsp;taskId)</PRE>
231<DL>
232</DL>
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239<TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2">
240<B>Method Detail</B></FONT></TH>
241</TR>
242</TABLE>
243
244<A NAME="getTaskAttemptID()"><!-- --></A><H3>
245getTaskAttemptID</H3>
246<PRE>
247public <A HREF="../../../../org/apache/hadoop/mapreduce/TaskAttemptID.html" title="class in org.apache.hadoop.mapreduce">TaskAttemptID</A> <B>getTaskAttemptID</B>()</PRE>
248<DL>
249<DD>Get the unique name for this task attempt.
250<P>
251<DD><DL>
252</DL>
253</DD>
254<DD><DL>
255</DL>
256</DD>
257</DL>
258<HR>
259
260<A NAME="setStatus(java.lang.String)"><!-- --></A><H3>
261setStatus</H3>
262<PRE>
263public void <B>setStatus</B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A>&nbsp;msg)
264               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>
265<DL>
266<DD>Set the current status of the task to the given string.
267<P>
268<DD><DL>
269</DL>
270</DD>
271<DD><DL>
272
273<DT><B>Throws:</B>
274<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>
275</DD>
276</DL>
277<HR>
278
279<A NAME="getStatus()"><!-- --></A><H3>
280getStatus</H3>
281<PRE>
282public <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> <B>getStatus</B>()</PRE>
283<DL>
284<DD>Get the last set status message.
285<P>
286<DD><DL>
287</DL>
288</DD>
289<DD><DL>
290
291<DT><B>Returns:</B><DD>the current status message</DL>
292</DD>
293</DL>
294<HR>
295
296<A NAME="progress()"><!-- --></A><H3>
297progress</H3>
298<PRE>
299public void <B>progress</B>()</PRE>
300<DL>
301<DD>Report progress. The subtypes actually do work in this method.
302<P>
303<DD><DL>
304<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../org/apache/hadoop/util/Progressable.html#progress()">progress</A></CODE> in interface <CODE><A HREF="../../../../org/apache/hadoop/util/Progressable.html" title="interface in org.apache.hadoop.util">Progressable</A></CODE></DL>
305</DD>
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