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| 7 | Job (Hadoop 0.20.1 API) |
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| 79 | SUMMARY: <A HREF="#nested_class_summary">NESTED</A> | <A HREF="#fields_inherited_from_class_org.apache.hadoop.mapreduce.JobContext">FIELD</A> | <A HREF="#constructor_summary">CONSTR</A> | <A HREF="#method_summary">METHOD</A></FONT></TD> |
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| 89 | <H2> |
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| 90 | <FONT SIZE="-1"> |
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| 91 | org.apache.hadoop.mapreduce</FONT> |
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| 92 | <BR> |
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| 93 | Class Job</H2> |
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| 94 | <PRE> |
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| 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> |
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| 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> |
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| 97 | <IMG SRC="../../../../resources/inherit.gif" ALT="extended by "><B>org.apache.hadoop.mapreduce.Job</B> |
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| 98 | </PRE> |
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| 99 | <HR> |
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| 100 | <DL> |
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| 101 | <DT><PRE>public class <B>Job</B><DT>extends <A HREF="../../../../org/apache/hadoop/mapreduce/JobContext.html" title="class in org.apache.hadoop.mapreduce">JobContext</A></DL> |
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| 102 | </PRE> |
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| 103 | |
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| 104 | <P> |
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| 105 | The job submitter's view of the Job. It allows the user to configure the |
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| 106 | job, submit it, control its execution, and query the state. The set methods |
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| 107 | only work until the job is submitted, afterwards they will throw an |
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| 108 | IllegalStateException. |
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| 109 | <P> |
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| 110 | |
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| 111 | <P> |
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| 114 | <P> |
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| 115 | <!-- ======== NESTED CLASS SUMMARY ======== --> |
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| 121 | <B>Nested Class Summary</B></FONT></TH> |
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| 123 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 124 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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| 125 | <CODE>static class</CODE></FONT></TD> |
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| 126 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapreduce/Job.JobState.html" title="enum in org.apache.hadoop.mapreduce">Job.JobState</A></B></CODE> |
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| 127 | |
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| 128 | <BR> |
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| 129 | </TD> |
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| 130 | </TR> |
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| 131 | </TABLE> |
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| 132 | <!-- =========== FIELD SUMMARY =========== --> |
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| 137 | <TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"> |
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| 138 | <B>Field Summary</B></FONT></TH> |
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| 139 | </TR> |
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| 140 | </TABLE> |
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| 141 | <A NAME="fields_inherited_from_class_org.apache.hadoop.mapreduce.JobContext"><!-- --></A> |
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| 142 | <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
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| 143 | <TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor"> |
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| 144 | <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> |
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| 145 | </TR> |
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| 146 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 147 | <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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| 148 | </TR> |
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| 149 | </TABLE> |
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| 150 | |
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| 151 | <!-- ======== CONSTRUCTOR SUMMARY ======== --> |
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| 152 | |
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| 153 | <A NAME="constructor_summary"><!-- --></A> |
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| 154 | <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
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| 155 | <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> |
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| 156 | <TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"> |
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| 157 | <B>Constructor Summary</B></FONT></TH> |
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| 158 | </TR> |
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| 159 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 160 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapreduce/Job.html#Job()">Job</A></B>()</CODE> |
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| 161 | |
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| 162 | <BR> |
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| 163 | </TD> |
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| 164 | </TR> |
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| 165 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 166 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapreduce/Job.html#Job(org.apache.hadoop.conf.Configuration)">Job</A></B>(<A HREF="../../../../org/apache/hadoop/conf/Configuration.html" title="class in org.apache.hadoop.conf">Configuration</A> conf)</CODE> |
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| 167 | |
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| 168 | <BR> |
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| 169 | </TD> |
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| 170 | </TR> |
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| 171 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 172 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapreduce/Job.html#Job(org.apache.hadoop.conf.Configuration, java.lang.String)">Job</A></B>(<A HREF="../../../../org/apache/hadoop/conf/Configuration.html" title="class in org.apache.hadoop.conf">Configuration</A> conf, |
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| 173 | <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> jobName)</CODE> |
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| 174 | |
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| 175 | <BR> |
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| 176 | </TD> |
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| 177 | </TR> |
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| 178 | </TABLE> |
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| 179 | |
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| 180 | <!-- ========== METHOD SUMMARY =========== --> |
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| 181 | |
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| 182 | <A NAME="method_summary"><!-- --></A> |
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| 183 | <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
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| 184 | <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> |
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| 185 | <TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"> |
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| 186 | <B>Method Summary</B></FONT></TH> |
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| 187 | </TR> |
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| 188 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 189 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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| 190 | <CODE> void</CODE></FONT></TD> |
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| 191 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapreduce/Job.html#failTask(org.apache.hadoop.mapreduce.TaskAttemptID)">failTask</A></B>(<A HREF="../../../../org/apache/hadoop/mapreduce/TaskAttemptID.html" title="class in org.apache.hadoop.mapreduce">TaskAttemptID</A> taskId)</CODE> |
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| 192 | |
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| 193 | <BR> |
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| 194 | Fail indicated task attempt.</TD> |
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| 195 | </TR> |
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| 196 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 197 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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| 198 | <CODE> <A HREF="../../../../org/apache/hadoop/mapreduce/Counters.html" title="class in org.apache.hadoop.mapreduce">Counters</A></CODE></FONT></TD> |
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| 199 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapreduce/Job.html#getCounters()">getCounters</A></B>()</CODE> |
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| 200 | |
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| 201 | <BR> |
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| 202 | Gets the counters for this job.</TD> |
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| 203 | </TR> |
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| 204 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 205 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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| 206 | <CODE> <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> |
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| 207 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapreduce/Job.html#getJar()">getJar</A></B>()</CODE> |
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| 208 | |
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| 209 | <BR> |
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| 210 | Get the pathname of the job's jar.</TD> |
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| 211 | </TR> |
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| 212 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 213 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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| 214 | <CODE> <A HREF="../../../../org/apache/hadoop/mapred/TaskCompletionEvent.html" title="class in org.apache.hadoop.mapred">TaskCompletionEvent</A>[]</CODE></FONT></TD> |
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| 215 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapreduce/Job.html#getTaskCompletionEvents(int)">getTaskCompletionEvents</A></B>(int startFrom)</CODE> |
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| 216 | |
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| 217 | <BR> |
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| 218 | Get events indicating completion (success/failure) of component tasks.</TD> |
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| 219 | </TR> |
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| 220 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 221 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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| 222 | <CODE> <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> |
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| 223 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapreduce/Job.html#getTrackingURL()">getTrackingURL</A></B>()</CODE> |
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| 224 | |
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| 225 | <BR> |
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| 226 | Get the URL where some job progress information will be displayed.</TD> |
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| 227 | </TR> |
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| 228 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 229 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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| 230 | <CODE> boolean</CODE></FONT></TD> |
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| 231 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapreduce/Job.html#isComplete()">isComplete</A></B>()</CODE> |
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| 232 | |
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| 233 | <BR> |
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| 234 | Check if the job is finished or not.</TD> |
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| 235 | </TR> |
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| 236 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 237 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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| 238 | <CODE> boolean</CODE></FONT></TD> |
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| 239 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapreduce/Job.html#isSuccessful()">isSuccessful</A></B>()</CODE> |
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| 240 | |
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| 241 | <BR> |
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| 242 | Check if the job completed successfully.</TD> |
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| 243 | </TR> |
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| 244 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 245 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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| 246 | <CODE> void</CODE></FONT></TD> |
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| 247 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapreduce/Job.html#killJob()">killJob</A></B>()</CODE> |
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| 248 | |
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| 249 | <BR> |
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| 250 | Kill the running job.</TD> |
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| 251 | </TR> |
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| 252 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 253 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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| 254 | <CODE> void</CODE></FONT></TD> |
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| 255 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapreduce/Job.html#killTask(org.apache.hadoop.mapreduce.TaskAttemptID)">killTask</A></B>(<A HREF="../../../../org/apache/hadoop/mapreduce/TaskAttemptID.html" title="class in org.apache.hadoop.mapreduce">TaskAttemptID</A> taskId)</CODE> |
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| 256 | |
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| 257 | <BR> |
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| 258 | Kill indicated task attempt.</TD> |
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| 259 | </TR> |
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| 260 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 261 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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| 262 | <CODE> float</CODE></FONT></TD> |
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| 263 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapreduce/Job.html#mapProgress()">mapProgress</A></B>()</CODE> |
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| 264 | |
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| 265 | <BR> |
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| 266 | Get the <i>progress</i> of the job's map-tasks, as a float between 0.0 |
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| 267 | and 1.0.</TD> |
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| 268 | </TR> |
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| 269 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 270 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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| 271 | <CODE> float</CODE></FONT></TD> |
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| 272 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapreduce/Job.html#reduceProgress()">reduceProgress</A></B>()</CODE> |
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| 273 | |
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| 274 | <BR> |
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| 275 | Get the <i>progress</i> of the job's reduce-tasks, as a float between 0.0 |
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| 276 | and 1.0.</TD> |
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| 277 | </TR> |
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| 278 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 279 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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| 280 | <CODE> void</CODE></FONT></TD> |
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| 281 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapreduce/Job.html#setCombinerClass(java.lang.Class)">setCombinerClass</A></B>(<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><? extends <A HREF="../../../../org/apache/hadoop/mapreduce/Reducer.html" title="class in org.apache.hadoop.mapreduce">Reducer</A>> cls)</CODE> |
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| 282 | |
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| 283 | <BR> |
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| 284 | Set the combiner class for the job.</TD> |
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| 285 | </TR> |
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| 286 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 287 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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| 288 | <CODE> void</CODE></FONT></TD> |
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| 289 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapreduce/Job.html#setGroupingComparatorClass(java.lang.Class)">setGroupingComparatorClass</A></B>(<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><? extends <A HREF="../../../../org/apache/hadoop/io/RawComparator.html" title="interface in org.apache.hadoop.io">RawComparator</A>> cls)</CODE> |
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| 290 | |
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| 291 | <BR> |
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| 292 | Define the comparator that controls which keys are grouped together |
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| 293 | for a single call to |
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| 294 | <A HREF="../../../../org/apache/hadoop/mapreduce/Reducer.html#reduce(KEYIN, java.lang.Iterable, org.apache.hadoop.mapreduce.Reducer.Context)"><CODE>Reducer.reduce(Object, Iterable, |
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| 295 | org.apache.hadoop.mapreduce.Reducer.Context)</CODE></A></TD> |
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| 296 | </TR> |
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| 297 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 298 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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| 299 | <CODE> void</CODE></FONT></TD> |
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| 300 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapreduce/Job.html#setInputFormatClass(java.lang.Class)">setInputFormatClass</A></B>(<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><? extends <A HREF="../../../../org/apache/hadoop/mapreduce/InputFormat.html" title="class in org.apache.hadoop.mapreduce">InputFormat</A>> cls)</CODE> |
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| 301 | |
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| 302 | <BR> |
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| 303 | Set the <A HREF="../../../../org/apache/hadoop/mapreduce/InputFormat.html" title="class in org.apache.hadoop.mapreduce"><CODE>InputFormat</CODE></A> for the job.</TD> |
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| 304 | </TR> |
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| 305 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 306 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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| 307 | <CODE> void</CODE></FONT></TD> |
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| 308 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapreduce/Job.html#setJarByClass(java.lang.Class)">setJarByClass</A></B>(<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><?> cls)</CODE> |
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| 309 | |
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| 310 | <BR> |
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| 311 | Set the Jar by finding where a given class came from.</TD> |
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| 312 | </TR> |
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| 313 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 314 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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| 315 | <CODE> void</CODE></FONT></TD> |
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| 316 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapreduce/Job.html#setJobName(java.lang.String)">setJobName</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> name)</CODE> |
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| 317 | |
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| 318 | <BR> |
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| 319 | Set the user-specified job name.</TD> |
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| 320 | </TR> |
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| 321 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 322 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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| 323 | <CODE> void</CODE></FONT></TD> |
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| 324 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapreduce/Job.html#setMapOutputKeyClass(java.lang.Class)">setMapOutputKeyClass</A></B>(<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><?> theClass)</CODE> |
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| 325 | |
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| 326 | <BR> |
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| 327 | Set the key class for the map output data.</TD> |
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| 328 | </TR> |
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| 329 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 330 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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| 331 | <CODE> void</CODE></FONT></TD> |
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| 332 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapreduce/Job.html#setMapOutputValueClass(java.lang.Class)">setMapOutputValueClass</A></B>(<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><?> theClass)</CODE> |
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| 333 | |
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| 334 | <BR> |
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| 335 | Set the value class for the map output data.</TD> |
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| 336 | </TR> |
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| 337 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 338 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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| 339 | <CODE> void</CODE></FONT></TD> |
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| 340 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapreduce/Job.html#setMapperClass(java.lang.Class)">setMapperClass</A></B>(<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><? extends <A HREF="../../../../org/apache/hadoop/mapreduce/Mapper.html" title="class in org.apache.hadoop.mapreduce">Mapper</A>> cls)</CODE> |
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| 341 | |
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| 342 | <BR> |
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| 343 | Set the <A HREF="../../../../org/apache/hadoop/mapreduce/Mapper.html" title="class in org.apache.hadoop.mapreduce"><CODE>Mapper</CODE></A> for the job.</TD> |
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| 344 | </TR> |
---|
| 345 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 346 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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| 347 | <CODE> void</CODE></FONT></TD> |
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| 348 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapreduce/Job.html#setNumReduceTasks(int)">setNumReduceTasks</A></B>(int tasks)</CODE> |
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| 349 | |
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| 350 | <BR> |
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| 351 | Set the number of reduce tasks for the job.</TD> |
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| 352 | </TR> |
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| 353 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 354 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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| 355 | <CODE> void</CODE></FONT></TD> |
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| 356 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapreduce/Job.html#setOutputFormatClass(java.lang.Class)">setOutputFormatClass</A></B>(<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><? extends <A HREF="../../../../org/apache/hadoop/mapreduce/OutputFormat.html" title="class in org.apache.hadoop.mapreduce">OutputFormat</A>> cls)</CODE> |
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| 357 | |
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| 358 | <BR> |
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| 359 | Set the <A HREF="../../../../org/apache/hadoop/mapreduce/OutputFormat.html" title="class in org.apache.hadoop.mapreduce"><CODE>OutputFormat</CODE></A> for the job.</TD> |
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| 360 | </TR> |
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| 361 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 362 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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| 363 | <CODE> void</CODE></FONT></TD> |
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| 364 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapreduce/Job.html#setOutputKeyClass(java.lang.Class)">setOutputKeyClass</A></B>(<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><?> theClass)</CODE> |
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| 365 | |
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| 366 | <BR> |
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| 367 | Set the key class for the job output data.</TD> |
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| 368 | </TR> |
---|
| 369 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
---|
| 370 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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| 371 | <CODE> void</CODE></FONT></TD> |
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| 372 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapreduce/Job.html#setOutputValueClass(java.lang.Class)">setOutputValueClass</A></B>(<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><?> theClass)</CODE> |
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| 373 | |
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| 374 | <BR> |
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| 375 | Set the value class for job outputs.</TD> |
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| 376 | </TR> |
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| 377 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 378 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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| 379 | <CODE> void</CODE></FONT></TD> |
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| 380 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapreduce/Job.html#setPartitionerClass(java.lang.Class)">setPartitionerClass</A></B>(<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><? extends <A HREF="../../../../org/apache/hadoop/mapreduce/Partitioner.html" title="class in org.apache.hadoop.mapreduce">Partitioner</A>> cls)</CODE> |
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| 381 | |
---|
| 382 | <BR> |
---|
| 383 | Set the <A HREF="../../../../org/apache/hadoop/mapreduce/Partitioner.html" title="class in org.apache.hadoop.mapreduce"><CODE>Partitioner</CODE></A> for the job.</TD> |
---|
| 384 | </TR> |
---|
| 385 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 386 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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| 387 | <CODE> void</CODE></FONT></TD> |
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| 388 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapreduce/Job.html#setReducerClass(java.lang.Class)">setReducerClass</A></B>(<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><? extends <A HREF="../../../../org/apache/hadoop/mapreduce/Reducer.html" title="class in org.apache.hadoop.mapreduce">Reducer</A>> cls)</CODE> |
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| 389 | |
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| 390 | <BR> |
---|
| 391 | Set the <A HREF="../../../../org/apache/hadoop/mapreduce/Reducer.html" title="class in org.apache.hadoop.mapreduce"><CODE>Reducer</CODE></A> for the job.</TD> |
---|
| 392 | </TR> |
---|
| 393 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 394 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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| 395 | <CODE> void</CODE></FONT></TD> |
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| 396 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapreduce/Job.html#setSortComparatorClass(java.lang.Class)">setSortComparatorClass</A></B>(<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><? extends <A HREF="../../../../org/apache/hadoop/io/RawComparator.html" title="interface in org.apache.hadoop.io">RawComparator</A>> cls)</CODE> |
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| 397 | |
---|
| 398 | <BR> |
---|
| 399 | Define the comparator that controls how the keys are sorted before they |
---|
| 400 | are passed to the <A HREF="../../../../org/apache/hadoop/mapreduce/Reducer.html" title="class in org.apache.hadoop.mapreduce"><CODE>Reducer</CODE></A>.</TD> |
---|
| 401 | </TR> |
---|
| 402 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
---|
| 403 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
---|
| 404 | <CODE> void</CODE></FONT></TD> |
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| 405 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapreduce/Job.html#setWorkingDirectory(org.apache.hadoop.fs.Path)">setWorkingDirectory</A></B>(<A HREF="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</A> dir)</CODE> |
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| 406 | |
---|
| 407 | <BR> |
---|
| 408 | Set the current working directory for the default file system.</TD> |
---|
| 409 | </TR> |
---|
| 410 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
---|
| 411 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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| 412 | <CODE> void</CODE></FONT></TD> |
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| 413 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapreduce/Job.html#submit()">submit</A></B>()</CODE> |
---|
| 414 | |
---|
| 415 | <BR> |
---|
| 416 | Submit the job to the cluster and return immediately.</TD> |
---|
| 417 | </TR> |
---|
| 418 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
---|
| 419 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
---|
| 420 | <CODE> boolean</CODE></FONT></TD> |
---|
| 421 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapreduce/Job.html#waitForCompletion(boolean)">waitForCompletion</A></B>(boolean verbose)</CODE> |
---|
| 422 | |
---|
| 423 | <BR> |
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| 424 | Submit the job to the cluster and wait for it to finish.</TD> |
---|
| 425 | </TR> |
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| 426 | </TABLE> |
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| 427 | <A NAME="methods_inherited_from_class_org.apache.hadoop.mapreduce.JobContext"><!-- --></A> |
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| 428 | <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
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| 429 | <TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor"> |
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| 430 | <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> |
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| 431 | </TR> |
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| 432 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 433 | <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#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> |
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| 434 | </TR> |
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| 435 | </TABLE> |
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| 436 | <A NAME="methods_inherited_from_class_java.lang.Object"><!-- --></A> |
---|
| 437 | <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
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| 438 | <TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor"> |
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| 439 | <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> |
---|
| 440 | </TR> |
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| 441 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
---|
| 442 | <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> |
---|
| 443 | </TR> |
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| 444 | </TABLE> |
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| 445 | |
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| 446 | <P> |
---|
| 447 | |
---|
| 448 | <!-- ========= CONSTRUCTOR DETAIL ======== --> |
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| 449 | |
---|
| 450 | <A NAME="constructor_detail"><!-- --></A> |
---|
| 451 | <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
---|
| 452 | <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> |
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| 453 | <TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2"> |
---|
| 454 | <B>Constructor Detail</B></FONT></TH> |
---|
| 455 | </TR> |
---|
| 456 | </TABLE> |
---|
| 457 | |
---|
| 458 | <A NAME="Job()"><!-- --></A><H3> |
---|
| 459 | Job</H3> |
---|
| 460 | <PRE> |
---|
| 461 | public <B>Job</B>() |
---|
| 462 | 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> |
---|
| 463 | <DL> |
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| 464 | <DL> |
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| 465 | |
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| 466 | <DT><B>Throws:</B> |
---|
| 467 | <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> |
---|
| 468 | </DL> |
---|
| 469 | <HR> |
---|
| 470 | |
---|
| 471 | <A NAME="Job(org.apache.hadoop.conf.Configuration)"><!-- --></A><H3> |
---|
| 472 | Job</H3> |
---|
| 473 | <PRE> |
---|
| 474 | public <B>Job</B>(<A HREF="../../../../org/apache/hadoop/conf/Configuration.html" title="class in org.apache.hadoop.conf">Configuration</A> conf) |
---|
| 475 | 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> |
---|
| 476 | <DL> |
---|
| 477 | <DL> |
---|
| 478 | |
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| 479 | <DT><B>Throws:</B> |
---|
| 480 | <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> |
---|
| 481 | </DL> |
---|
| 482 | <HR> |
---|
| 483 | |
---|
| 484 | <A NAME="Job(org.apache.hadoop.conf.Configuration, java.lang.String)"><!-- --></A><H3> |
---|
| 485 | Job</H3> |
---|
| 486 | <PRE> |
---|
| 487 | public <B>Job</B>(<A HREF="../../../../org/apache/hadoop/conf/Configuration.html" title="class in org.apache.hadoop.conf">Configuration</A> conf, |
---|
| 488 | <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> jobName) |
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| 489 | 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> |
---|
| 490 | <DL> |
---|
| 491 | <DL> |
---|
| 492 | |
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| 493 | <DT><B>Throws:</B> |
---|
| 494 | <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> |
---|
| 495 | </DL> |
---|
| 496 | |
---|
| 497 | <!-- ============ METHOD DETAIL ========== --> |
---|
| 498 | |
---|
| 499 | <A NAME="method_detail"><!-- --></A> |
---|
| 500 | <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
---|
| 501 | <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> |
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| 502 | <TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2"> |
---|
| 503 | <B>Method Detail</B></FONT></TH> |
---|
| 504 | </TR> |
---|
| 505 | </TABLE> |
---|
| 506 | |
---|
| 507 | <A NAME="setNumReduceTasks(int)"><!-- --></A><H3> |
---|
| 508 | setNumReduceTasks</H3> |
---|
| 509 | <PRE> |
---|
| 510 | public void <B>setNumReduceTasks</B>(int tasks) |
---|
| 511 | throws <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/IllegalStateException.html?is-external=true" title="class or interface in java.lang">IllegalStateException</A></PRE> |
---|
| 512 | <DL> |
---|
| 513 | <DD>Set the number of reduce tasks for the job. |
---|
| 514 | <P> |
---|
| 515 | <DD><DL> |
---|
| 516 | <DT><B>Parameters:</B><DD><CODE>tasks</CODE> - the number of reduce tasks |
---|
| 517 | <DT><B>Throws:</B> |
---|
| 518 | <DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/lang/IllegalStateException.html?is-external=true" title="class or interface in java.lang">IllegalStateException</A></CODE> - if the job is submitted</DL> |
---|
| 519 | </DD> |
---|
| 520 | </DL> |
---|
| 521 | <HR> |
---|
| 522 | |
---|
| 523 | <A NAME="setWorkingDirectory(org.apache.hadoop.fs.Path)"><!-- --></A><H3> |
---|
| 524 | setWorkingDirectory</H3> |
---|
| 525 | <PRE> |
---|
| 526 | public void <B>setWorkingDirectory</B>(<A HREF="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</A> dir) |
---|
| 527 | 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> |
---|
| 528 | <DL> |
---|
| 529 | <DD>Set the current working directory for the default file system. |
---|
| 530 | <P> |
---|
| 531 | <DD><DL> |
---|
| 532 | <DT><B>Parameters:</B><DD><CODE>dir</CODE> - the new current working directory. |
---|
| 533 | <DT><B>Throws:</B> |
---|
| 534 | <DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/lang/IllegalStateException.html?is-external=true" title="class or interface in java.lang">IllegalStateException</A></CODE> - if the job is submitted |
---|
| 535 | <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> |
---|
| 536 | </DD> |
---|
| 537 | </DL> |
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| 538 | <HR> |
---|
| 539 | |
---|
| 540 | <A NAME="setInputFormatClass(java.lang.Class)"><!-- --></A><H3> |
---|
| 541 | setInputFormatClass</H3> |
---|
| 542 | <PRE> |
---|
| 543 | public void <B>setInputFormatClass</B>(<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><? extends <A HREF="../../../../org/apache/hadoop/mapreduce/InputFormat.html" title="class in org.apache.hadoop.mapreduce">InputFormat</A>> cls) |
---|
| 544 | throws <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/IllegalStateException.html?is-external=true" title="class or interface in java.lang">IllegalStateException</A></PRE> |
---|
| 545 | <DL> |
---|
| 546 | <DD>Set the <A HREF="../../../../org/apache/hadoop/mapreduce/InputFormat.html" title="class in org.apache.hadoop.mapreduce"><CODE>InputFormat</CODE></A> for the job. |
---|
| 547 | <P> |
---|
| 548 | <DD><DL> |
---|
| 549 | <DT><B>Parameters:</B><DD><CODE>cls</CODE> - the <code>InputFormat</code> to use |
---|
| 550 | <DT><B>Throws:</B> |
---|
| 551 | <DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/lang/IllegalStateException.html?is-external=true" title="class or interface in java.lang">IllegalStateException</A></CODE> - if the job is submitted</DL> |
---|
| 552 | </DD> |
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| 553 | </DL> |
---|
| 554 | <HR> |
---|
| 555 | |
---|
| 556 | <A NAME="setOutputFormatClass(java.lang.Class)"><!-- --></A><H3> |
---|
| 557 | setOutputFormatClass</H3> |
---|
| 558 | <PRE> |
---|
| 559 | public void <B>setOutputFormatClass</B>(<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><? extends <A HREF="../../../../org/apache/hadoop/mapreduce/OutputFormat.html" title="class in org.apache.hadoop.mapreduce">OutputFormat</A>> cls) |
---|
| 560 | throws <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/IllegalStateException.html?is-external=true" title="class or interface in java.lang">IllegalStateException</A></PRE> |
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| 561 | <DL> |
---|
| 562 | <DD>Set the <A HREF="../../../../org/apache/hadoop/mapreduce/OutputFormat.html" title="class in org.apache.hadoop.mapreduce"><CODE>OutputFormat</CODE></A> for the job. |
---|
| 563 | <P> |
---|
| 564 | <DD><DL> |
---|
| 565 | <DT><B>Parameters:</B><DD><CODE>cls</CODE> - the <code>OutputFormat</code> to use |
---|
| 566 | <DT><B>Throws:</B> |
---|
| 567 | <DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/lang/IllegalStateException.html?is-external=true" title="class or interface in java.lang">IllegalStateException</A></CODE> - if the job is submitted</DL> |
---|
| 568 | </DD> |
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| 569 | </DL> |
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| 570 | <HR> |
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| 571 | |
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| 572 | <A NAME="setMapperClass(java.lang.Class)"><!-- --></A><H3> |
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| 573 | setMapperClass</H3> |
---|
| 574 | <PRE> |
---|
| 575 | public void <B>setMapperClass</B>(<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><? extends <A HREF="../../../../org/apache/hadoop/mapreduce/Mapper.html" title="class in org.apache.hadoop.mapreduce">Mapper</A>> cls) |
---|
| 576 | throws <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/IllegalStateException.html?is-external=true" title="class or interface in java.lang">IllegalStateException</A></PRE> |
---|
| 577 | <DL> |
---|
| 578 | <DD>Set the <A HREF="../../../../org/apache/hadoop/mapreduce/Mapper.html" title="class in org.apache.hadoop.mapreduce"><CODE>Mapper</CODE></A> for the job. |
---|
| 579 | <P> |
---|
| 580 | <DD><DL> |
---|
| 581 | <DT><B>Parameters:</B><DD><CODE>cls</CODE> - the <code>Mapper</code> to use |
---|
| 582 | <DT><B>Throws:</B> |
---|
| 583 | <DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/lang/IllegalStateException.html?is-external=true" title="class or interface in java.lang">IllegalStateException</A></CODE> - if the job is submitted</DL> |
---|
| 584 | </DD> |
---|
| 585 | </DL> |
---|
| 586 | <HR> |
---|
| 587 | |
---|
| 588 | <A NAME="setJarByClass(java.lang.Class)"><!-- --></A><H3> |
---|
| 589 | setJarByClass</H3> |
---|
| 590 | <PRE> |
---|
| 591 | public void <B>setJarByClass</B>(<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><?> cls)</PRE> |
---|
| 592 | <DL> |
---|
| 593 | <DD>Set the Jar by finding where a given class came from. |
---|
| 594 | <P> |
---|
| 595 | <DD><DL> |
---|
| 596 | <DT><B>Parameters:</B><DD><CODE>cls</CODE> - the example class</DL> |
---|
| 597 | </DD> |
---|
| 598 | </DL> |
---|
| 599 | <HR> |
---|
| 600 | |
---|
| 601 | <A NAME="getJar()"><!-- --></A><H3> |
---|
| 602 | getJar</H3> |
---|
| 603 | <PRE> |
---|
| 604 | public <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>getJar</B>()</PRE> |
---|
| 605 | <DL> |
---|
| 606 | <DD>Get the pathname of the job's jar. |
---|
| 607 | <P> |
---|
| 608 | <DD><DL> |
---|
| 609 | <DT><B>Overrides:</B><DD><CODE><A HREF="../../../../org/apache/hadoop/mapreduce/JobContext.html#getJar()">getJar</A></CODE> in class <CODE><A HREF="../../../../org/apache/hadoop/mapreduce/JobContext.html" title="class in org.apache.hadoop.mapreduce">JobContext</A></CODE></DL> |
---|
| 610 | </DD> |
---|
| 611 | <DD><DL> |
---|
| 612 | |
---|
| 613 | <DT><B>Returns:</B><DD>the pathname</DL> |
---|
| 614 | </DD> |
---|
| 615 | </DL> |
---|
| 616 | <HR> |
---|
| 617 | |
---|
| 618 | <A NAME="setCombinerClass(java.lang.Class)"><!-- --></A><H3> |
---|
| 619 | setCombinerClass</H3> |
---|
| 620 | <PRE> |
---|
| 621 | public void <B>setCombinerClass</B>(<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><? extends <A HREF="../../../../org/apache/hadoop/mapreduce/Reducer.html" title="class in org.apache.hadoop.mapreduce">Reducer</A>> cls) |
---|
| 622 | throws <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/IllegalStateException.html?is-external=true" title="class or interface in java.lang">IllegalStateException</A></PRE> |
---|
| 623 | <DL> |
---|
| 624 | <DD>Set the combiner class for the job. |
---|
| 625 | <P> |
---|
| 626 | <DD><DL> |
---|
| 627 | <DT><B>Parameters:</B><DD><CODE>cls</CODE> - the combiner to use |
---|
| 628 | <DT><B>Throws:</B> |
---|
| 629 | <DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/lang/IllegalStateException.html?is-external=true" title="class or interface in java.lang">IllegalStateException</A></CODE> - if the job is submitted</DL> |
---|
| 630 | </DD> |
---|
| 631 | </DL> |
---|
| 632 | <HR> |
---|
| 633 | |
---|
| 634 | <A NAME="setReducerClass(java.lang.Class)"><!-- --></A><H3> |
---|
| 635 | setReducerClass</H3> |
---|
| 636 | <PRE> |
---|
| 637 | public void <B>setReducerClass</B>(<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><? extends <A HREF="../../../../org/apache/hadoop/mapreduce/Reducer.html" title="class in org.apache.hadoop.mapreduce">Reducer</A>> cls) |
---|
| 638 | throws <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/IllegalStateException.html?is-external=true" title="class or interface in java.lang">IllegalStateException</A></PRE> |
---|
| 639 | <DL> |
---|
| 640 | <DD>Set the <A HREF="../../../../org/apache/hadoop/mapreduce/Reducer.html" title="class in org.apache.hadoop.mapreduce"><CODE>Reducer</CODE></A> for the job. |
---|
| 641 | <P> |
---|
| 642 | <DD><DL> |
---|
| 643 | <DT><B>Parameters:</B><DD><CODE>cls</CODE> - the <code>Reducer</code> to use |
---|
| 644 | <DT><B>Throws:</B> |
---|
| 645 | <DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/lang/IllegalStateException.html?is-external=true" title="class or interface in java.lang">IllegalStateException</A></CODE> - if the job is submitted</DL> |
---|
| 646 | </DD> |
---|
| 647 | </DL> |
---|
| 648 | <HR> |
---|
| 649 | |
---|
| 650 | <A NAME="setPartitionerClass(java.lang.Class)"><!-- --></A><H3> |
---|
| 651 | setPartitionerClass</H3> |
---|
| 652 | <PRE> |
---|
| 653 | public void <B>setPartitionerClass</B>(<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><? extends <A HREF="../../../../org/apache/hadoop/mapreduce/Partitioner.html" title="class in org.apache.hadoop.mapreduce">Partitioner</A>> cls) |
---|
| 654 | throws <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/IllegalStateException.html?is-external=true" title="class or interface in java.lang">IllegalStateException</A></PRE> |
---|
| 655 | <DL> |
---|
| 656 | <DD>Set the <A HREF="../../../../org/apache/hadoop/mapreduce/Partitioner.html" title="class in org.apache.hadoop.mapreduce"><CODE>Partitioner</CODE></A> for the job. |
---|
| 657 | <P> |
---|
| 658 | <DD><DL> |
---|
| 659 | <DT><B>Parameters:</B><DD><CODE>cls</CODE> - the <code>Partitioner</code> to use |
---|
| 660 | <DT><B>Throws:</B> |
---|
| 661 | <DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/lang/IllegalStateException.html?is-external=true" title="class or interface in java.lang">IllegalStateException</A></CODE> - if the job is submitted</DL> |
---|
| 662 | </DD> |
---|
| 663 | </DL> |
---|
| 664 | <HR> |
---|
| 665 | |
---|
| 666 | <A NAME="setMapOutputKeyClass(java.lang.Class)"><!-- --></A><H3> |
---|
| 667 | setMapOutputKeyClass</H3> |
---|
| 668 | <PRE> |
---|
| 669 | public void <B>setMapOutputKeyClass</B>(<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><?> theClass) |
---|
| 670 | throws <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/IllegalStateException.html?is-external=true" title="class or interface in java.lang">IllegalStateException</A></PRE> |
---|
| 671 | <DL> |
---|
| 672 | <DD>Set the key class for the map output data. This allows the user to |
---|
| 673 | specify the map output key class to be different than the final output |
---|
| 674 | value class. |
---|
| 675 | <P> |
---|
| 676 | <DD><DL> |
---|
| 677 | <DT><B>Parameters:</B><DD><CODE>theClass</CODE> - the map output key class. |
---|
| 678 | <DT><B>Throws:</B> |
---|
| 679 | <DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/lang/IllegalStateException.html?is-external=true" title="class or interface in java.lang">IllegalStateException</A></CODE> - if the job is submitted</DL> |
---|
| 680 | </DD> |
---|
| 681 | </DL> |
---|
| 682 | <HR> |
---|
| 683 | |
---|
| 684 | <A NAME="setMapOutputValueClass(java.lang.Class)"><!-- --></A><H3> |
---|
| 685 | setMapOutputValueClass</H3> |
---|
| 686 | <PRE> |
---|
| 687 | public void <B>setMapOutputValueClass</B>(<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><?> theClass) |
---|
| 688 | throws <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/IllegalStateException.html?is-external=true" title="class or interface in java.lang">IllegalStateException</A></PRE> |
---|
| 689 | <DL> |
---|
| 690 | <DD>Set the value class for the map output data. This allows the user to |
---|
| 691 | specify the map output value class to be different than the final output |
---|
| 692 | value class. |
---|
| 693 | <P> |
---|
| 694 | <DD><DL> |
---|
| 695 | <DT><B>Parameters:</B><DD><CODE>theClass</CODE> - the map output value class. |
---|
| 696 | <DT><B>Throws:</B> |
---|
| 697 | <DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/lang/IllegalStateException.html?is-external=true" title="class or interface in java.lang">IllegalStateException</A></CODE> - if the job is submitted</DL> |
---|
| 698 | </DD> |
---|
| 699 | </DL> |
---|
| 700 | <HR> |
---|
| 701 | |
---|
| 702 | <A NAME="setOutputKeyClass(java.lang.Class)"><!-- --></A><H3> |
---|
| 703 | setOutputKeyClass</H3> |
---|
| 704 | <PRE> |
---|
| 705 | public void <B>setOutputKeyClass</B>(<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><?> theClass) |
---|
| 706 | throws <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/IllegalStateException.html?is-external=true" title="class or interface in java.lang">IllegalStateException</A></PRE> |
---|
| 707 | <DL> |
---|
| 708 | <DD>Set the key class for the job output data. |
---|
| 709 | <P> |
---|
| 710 | <DD><DL> |
---|
| 711 | <DT><B>Parameters:</B><DD><CODE>theClass</CODE> - the key class for the job output data. |
---|
| 712 | <DT><B>Throws:</B> |
---|
| 713 | <DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/lang/IllegalStateException.html?is-external=true" title="class or interface in java.lang">IllegalStateException</A></CODE> - if the job is submitted</DL> |
---|
| 714 | </DD> |
---|
| 715 | </DL> |
---|
| 716 | <HR> |
---|
| 717 | |
---|
| 718 | <A NAME="setOutputValueClass(java.lang.Class)"><!-- --></A><H3> |
---|
| 719 | setOutputValueClass</H3> |
---|
| 720 | <PRE> |
---|
| 721 | public void <B>setOutputValueClass</B>(<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><?> theClass) |
---|
| 722 | throws <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/IllegalStateException.html?is-external=true" title="class or interface in java.lang">IllegalStateException</A></PRE> |
---|
| 723 | <DL> |
---|
| 724 | <DD>Set the value class for job outputs. |
---|
| 725 | <P> |
---|
| 726 | <DD><DL> |
---|
| 727 | <DT><B>Parameters:</B><DD><CODE>theClass</CODE> - the value class for job outputs. |
---|
| 728 | <DT><B>Throws:</B> |
---|
| 729 | <DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/lang/IllegalStateException.html?is-external=true" title="class or interface in java.lang">IllegalStateException</A></CODE> - if the job is submitted</DL> |
---|
| 730 | </DD> |
---|
| 731 | </DL> |
---|
| 732 | <HR> |
---|
| 733 | |
---|
| 734 | <A NAME="setSortComparatorClass(java.lang.Class)"><!-- --></A><H3> |
---|
| 735 | setSortComparatorClass</H3> |
---|
| 736 | <PRE> |
---|
| 737 | public void <B>setSortComparatorClass</B>(<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><? extends <A HREF="../../../../org/apache/hadoop/io/RawComparator.html" title="interface in org.apache.hadoop.io">RawComparator</A>> cls) |
---|
| 738 | throws <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/IllegalStateException.html?is-external=true" title="class or interface in java.lang">IllegalStateException</A></PRE> |
---|
| 739 | <DL> |
---|
| 740 | <DD>Define the comparator that controls how the keys are sorted before they |
---|
| 741 | are passed to the <A HREF="../../../../org/apache/hadoop/mapreduce/Reducer.html" title="class in org.apache.hadoop.mapreduce"><CODE>Reducer</CODE></A>. |
---|
| 742 | <P> |
---|
| 743 | <DD><DL> |
---|
| 744 | <DT><B>Parameters:</B><DD><CODE>cls</CODE> - the raw comparator |
---|
| 745 | <DT><B>Throws:</B> |
---|
| 746 | <DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/lang/IllegalStateException.html?is-external=true" title="class or interface in java.lang">IllegalStateException</A></CODE> - if the job is submitted</DL> |
---|
| 747 | </DD> |
---|
| 748 | </DL> |
---|
| 749 | <HR> |
---|
| 750 | |
---|
| 751 | <A NAME="setGroupingComparatorClass(java.lang.Class)"><!-- --></A><H3> |
---|
| 752 | setGroupingComparatorClass</H3> |
---|
| 753 | <PRE> |
---|
| 754 | public void <B>setGroupingComparatorClass</B>(<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><? extends <A HREF="../../../../org/apache/hadoop/io/RawComparator.html" title="interface in org.apache.hadoop.io">RawComparator</A>> cls) |
---|
| 755 | throws <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/IllegalStateException.html?is-external=true" title="class or interface in java.lang">IllegalStateException</A></PRE> |
---|
| 756 | <DL> |
---|
| 757 | <DD>Define the comparator that controls which keys are grouped together |
---|
| 758 | for a single call to |
---|
| 759 | <A HREF="../../../../org/apache/hadoop/mapreduce/Reducer.html#reduce(KEYIN, java.lang.Iterable, org.apache.hadoop.mapreduce.Reducer.Context)"><CODE>Reducer.reduce(Object, Iterable, |
---|
| 760 | org.apache.hadoop.mapreduce.Reducer.Context)</CODE></A> |
---|
| 761 | <P> |
---|
| 762 | <DD><DL> |
---|
| 763 | <DT><B>Parameters:</B><DD><CODE>cls</CODE> - the raw comparator to use |
---|
| 764 | <DT><B>Throws:</B> |
---|
| 765 | <DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/lang/IllegalStateException.html?is-external=true" title="class or interface in java.lang">IllegalStateException</A></CODE> - if the job is submitted</DL> |
---|
| 766 | </DD> |
---|
| 767 | </DL> |
---|
| 768 | <HR> |
---|
| 769 | |
---|
| 770 | <A NAME="setJobName(java.lang.String)"><!-- --></A><H3> |
---|
| 771 | setJobName</H3> |
---|
| 772 | <PRE> |
---|
| 773 | public void <B>setJobName</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> name) |
---|
| 774 | throws <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/IllegalStateException.html?is-external=true" title="class or interface in java.lang">IllegalStateException</A></PRE> |
---|
| 775 | <DL> |
---|
| 776 | <DD>Set the user-specified job name. |
---|
| 777 | <P> |
---|
| 778 | <DD><DL> |
---|
| 779 | <DT><B>Parameters:</B><DD><CODE>name</CODE> - the job's new name. |
---|
| 780 | <DT><B>Throws:</B> |
---|
| 781 | <DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/lang/IllegalStateException.html?is-external=true" title="class or interface in java.lang">IllegalStateException</A></CODE> - if the job is submitted</DL> |
---|
| 782 | </DD> |
---|
| 783 | </DL> |
---|
| 784 | <HR> |
---|
| 785 | |
---|
| 786 | <A NAME="getTrackingURL()"><!-- --></A><H3> |
---|
| 787 | getTrackingURL</H3> |
---|
| 788 | <PRE> |
---|
| 789 | public <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>getTrackingURL</B>()</PRE> |
---|
| 790 | <DL> |
---|
| 791 | <DD>Get the URL where some job progress information will be displayed. |
---|
| 792 | <P> |
---|
| 793 | <DD><DL> |
---|
| 794 | |
---|
| 795 | <DT><B>Returns:</B><DD>the URL where some job progress information will be displayed.</DL> |
---|
| 796 | </DD> |
---|
| 797 | </DL> |
---|
| 798 | <HR> |
---|
| 799 | |
---|
| 800 | <A NAME="mapProgress()"><!-- --></A><H3> |
---|
| 801 | mapProgress</H3> |
---|
| 802 | <PRE> |
---|
| 803 | public float <B>mapProgress</B>() |
---|
| 804 | 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> |
---|
| 805 | <DL> |
---|
| 806 | <DD>Get the <i>progress</i> of the job's map-tasks, as a float between 0.0 |
---|
| 807 | and 1.0. When all map tasks have completed, the function returns 1.0. |
---|
| 808 | <P> |
---|
| 809 | <DD><DL> |
---|
| 810 | |
---|
| 811 | <DT><B>Returns:</B><DD>the progress of the job's map-tasks. |
---|
| 812 | <DT><B>Throws:</B> |
---|
| 813 | <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> |
---|
| 814 | </DD> |
---|
| 815 | </DL> |
---|
| 816 | <HR> |
---|
| 817 | |
---|
| 818 | <A NAME="reduceProgress()"><!-- --></A><H3> |
---|
| 819 | reduceProgress</H3> |
---|
| 820 | <PRE> |
---|
| 821 | public float <B>reduceProgress</B>() |
---|
| 822 | 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> |
---|
| 823 | <DL> |
---|
| 824 | <DD>Get the <i>progress</i> of the job's reduce-tasks, as a float between 0.0 |
---|
| 825 | and 1.0. When all reduce tasks have completed, the function returns 1.0. |
---|
| 826 | <P> |
---|
| 827 | <DD><DL> |
---|
| 828 | |
---|
| 829 | <DT><B>Returns:</B><DD>the progress of the job's reduce-tasks. |
---|
| 830 | <DT><B>Throws:</B> |
---|
| 831 | <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> |
---|
| 832 | </DD> |
---|
| 833 | </DL> |
---|
| 834 | <HR> |
---|
| 835 | |
---|
| 836 | <A NAME="isComplete()"><!-- --></A><H3> |
---|
| 837 | isComplete</H3> |
---|
| 838 | <PRE> |
---|
| 839 | public boolean <B>isComplete</B>() |
---|
| 840 | 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> |
---|
| 841 | <DL> |
---|
| 842 | <DD>Check if the job is finished or not. |
---|
| 843 | This is a non-blocking call. |
---|
| 844 | <P> |
---|
| 845 | <DD><DL> |
---|
| 846 | |
---|
| 847 | <DT><B>Returns:</B><DD><code>true</code> if the job is complete, else <code>false</code>. |
---|
| 848 | <DT><B>Throws:</B> |
---|
| 849 | <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> |
---|
| 850 | </DD> |
---|
| 851 | </DL> |
---|
| 852 | <HR> |
---|
| 853 | |
---|
| 854 | <A NAME="isSuccessful()"><!-- --></A><H3> |
---|
| 855 | isSuccessful</H3> |
---|
| 856 | <PRE> |
---|
| 857 | public boolean <B>isSuccessful</B>() |
---|
| 858 | 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> |
---|
| 859 | <DL> |
---|
| 860 | <DD>Check if the job completed successfully. |
---|
| 861 | <P> |
---|
| 862 | <DD><DL> |
---|
| 863 | |
---|
| 864 | <DT><B>Returns:</B><DD><code>true</code> if the job succeeded, else <code>false</code>. |
---|
| 865 | <DT><B>Throws:</B> |
---|
| 866 | <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> |
---|
| 867 | </DD> |
---|
| 868 | </DL> |
---|
| 869 | <HR> |
---|
| 870 | |
---|
| 871 | <A NAME="killJob()"><!-- --></A><H3> |
---|
| 872 | killJob</H3> |
---|
| 873 | <PRE> |
---|
| 874 | public void <B>killJob</B>() |
---|
| 875 | 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> |
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| 876 | <DL> |
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| 877 | <DD>Kill the running job. Blocks until all job tasks have been |
---|
| 878 | killed as well. If the job is no longer running, it simply returns. |
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| 879 | <P> |
---|
| 880 | <DD><DL> |
---|
| 881 | |
---|
| 882 | <DT><B>Throws:</B> |
---|
| 883 | <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> |
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| 884 | </DD> |
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| 885 | </DL> |
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| 886 | <HR> |
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| 887 | |
---|
| 888 | <A NAME="getTaskCompletionEvents(int)"><!-- --></A><H3> |
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| 889 | getTaskCompletionEvents</H3> |
---|
| 890 | <PRE> |
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| 891 | public <A HREF="../../../../org/apache/hadoop/mapred/TaskCompletionEvent.html" title="class in org.apache.hadoop.mapred">TaskCompletionEvent</A>[] <B>getTaskCompletionEvents</B>(int startFrom) |
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| 892 | 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> |
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| 893 | <DL> |
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| 894 | <DD>Get events indicating completion (success/failure) of component tasks. |
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| 895 | <P> |
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| 896 | <DD><DL> |
---|
| 897 | <DT><B>Parameters:</B><DD><CODE>startFrom</CODE> - index to start fetching events from |
---|
| 898 | <DT><B>Returns:</B><DD>an array of <A HREF="../../../../org/apache/hadoop/mapred/TaskCompletionEvent.html" title="class in org.apache.hadoop.mapred"><CODE>TaskCompletionEvent</CODE></A>s |
---|
| 899 | <DT><B>Throws:</B> |
---|
| 900 | <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> |
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| 901 | </DD> |
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| 902 | </DL> |
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| 903 | <HR> |
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| 904 | |
---|
| 905 | <A NAME="killTask(org.apache.hadoop.mapreduce.TaskAttemptID)"><!-- --></A><H3> |
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| 906 | killTask</H3> |
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| 907 | <PRE> |
---|
| 908 | public void <B>killTask</B>(<A HREF="../../../../org/apache/hadoop/mapreduce/TaskAttemptID.html" title="class in org.apache.hadoop.mapreduce">TaskAttemptID</A> taskId) |
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| 909 | 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> |
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| 910 | <DL> |
---|
| 911 | <DD>Kill indicated task attempt. |
---|
| 912 | <P> |
---|
| 913 | <DD><DL> |
---|
| 914 | <DT><B>Parameters:</B><DD><CODE>taskId</CODE> - the id of the task to be terminated. |
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| 915 | <DT><B>Throws:</B> |
---|
| 916 | <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> |
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| 917 | </DD> |
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| 918 | </DL> |
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| 919 | <HR> |
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| 920 | |
---|
| 921 | <A NAME="failTask(org.apache.hadoop.mapreduce.TaskAttemptID)"><!-- --></A><H3> |
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| 922 | failTask</H3> |
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| 923 | <PRE> |
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| 924 | public void <B>failTask</B>(<A HREF="../../../../org/apache/hadoop/mapreduce/TaskAttemptID.html" title="class in org.apache.hadoop.mapreduce">TaskAttemptID</A> taskId) |
---|
| 925 | 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> |
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| 926 | <DL> |
---|
| 927 | <DD>Fail indicated task attempt. |
---|
| 928 | <P> |
---|
| 929 | <DD><DL> |
---|
| 930 | <DT><B>Parameters:</B><DD><CODE>taskId</CODE> - the id of the task to be terminated. |
---|
| 931 | <DT><B>Throws:</B> |
---|
| 932 | <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> |
---|
| 933 | </DD> |
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| 934 | </DL> |
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| 935 | <HR> |
---|
| 936 | |
---|
| 937 | <A NAME="getCounters()"><!-- --></A><H3> |
---|
| 938 | getCounters</H3> |
---|
| 939 | <PRE> |
---|
| 940 | public <A HREF="../../../../org/apache/hadoop/mapreduce/Counters.html" title="class in org.apache.hadoop.mapreduce">Counters</A> <B>getCounters</B>() |
---|
| 941 | 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> |
---|
| 942 | <DL> |
---|
| 943 | <DD>Gets the counters for this job. |
---|
| 944 | <P> |
---|
| 945 | <DD><DL> |
---|
| 946 | |
---|
| 947 | <DT><B>Returns:</B><DD>the counters for this job. |
---|
| 948 | <DT><B>Throws:</B> |
---|
| 949 | <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> |
---|
| 950 | </DD> |
---|
| 951 | </DL> |
---|
| 952 | <HR> |
---|
| 953 | |
---|
| 954 | <A NAME="submit()"><!-- --></A><H3> |
---|
| 955 | submit</H3> |
---|
| 956 | <PRE> |
---|
| 957 | public void <B>submit</B>() |
---|
| 958 | 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>, |
---|
| 959 | <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>, |
---|
| 960 | <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/ClassNotFoundException.html?is-external=true" title="class or interface in java.lang">ClassNotFoundException</A></PRE> |
---|
| 961 | <DL> |
---|
| 962 | <DD>Submit the job to the cluster and return immediately. |
---|
| 963 | <P> |
---|
| 964 | <DD><DL> |
---|
| 965 | |
---|
| 966 | <DT><B>Throws:</B> |
---|
| 967 | <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> |
---|
| 968 | <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> |
---|
| 969 | <DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/lang/ClassNotFoundException.html?is-external=true" title="class or interface in java.lang">ClassNotFoundException</A></CODE></DL> |
---|
| 970 | </DD> |
---|
| 971 | </DL> |
---|
| 972 | <HR> |
---|
| 973 | |
---|
| 974 | <A NAME="waitForCompletion(boolean)"><!-- --></A><H3> |
---|
| 975 | waitForCompletion</H3> |
---|
| 976 | <PRE> |
---|
| 977 | public boolean <B>waitForCompletion</B>(boolean verbose) |
---|
| 978 | 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>, |
---|
| 979 | <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>, |
---|
| 980 | <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/ClassNotFoundException.html?is-external=true" title="class or interface in java.lang">ClassNotFoundException</A></PRE> |
---|
| 981 | <DL> |
---|
| 982 | <DD>Submit the job to the cluster and wait for it to finish. |
---|
| 983 | <P> |
---|
| 984 | <DD><DL> |
---|
| 985 | <DT><B>Parameters:</B><DD><CODE>verbose</CODE> - print the progress to the user |
---|
| 986 | <DT><B>Returns:</B><DD>true if the job succeeded |
---|
| 987 | <DT><B>Throws:</B> |
---|
| 988 | <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> - thrown if the communication with the |
---|
| 989 | <code>JobTracker</code> is lost |
---|
| 990 | <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> |
---|
| 991 | <DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/lang/ClassNotFoundException.html?is-external=true" title="class or interface in java.lang">ClassNotFoundException</A></CODE></DL> |
---|
| 992 | </DD> |
---|
| 993 | </DL> |
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| 994 | <!-- ========= END OF CLASS DATA ========= --> |
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