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7JobID (Hadoop 0.20.1 API)
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91org.apache.hadoop.mapreduce</FONT>
92<BR>
93Class JobID</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/ID.html" title="class in org.apache.hadoop.mapreduce">org.apache.hadoop.mapreduce.ID</A>
97      <IMG SRC="../../../../resources/inherit.gif" ALT="extended by "><A HREF="../../../../org/apache/hadoop/mapred/ID.html" title="class in org.apache.hadoop.mapred">org.apache.hadoop.mapred.ID</A>
98          <IMG SRC="../../../../resources/inherit.gif" ALT="extended by "><B>org.apache.hadoop.mapreduce.JobID</B>
99</PRE>
100<DL>
101<DT><B>All Implemented Interfaces:</B> <DD><A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Comparable.html?is-external=true" title="class or interface in java.lang">Comparable</A>&lt;<A HREF="../../../../org/apache/hadoop/mapreduce/ID.html" title="class in org.apache.hadoop.mapreduce">ID</A>&gt;, <A HREF="../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</A>, <A HREF="../../../../org/apache/hadoop/io/WritableComparable.html" title="interface in org.apache.hadoop.io">WritableComparable</A>&lt;<A HREF="../../../../org/apache/hadoop/mapreduce/ID.html" title="class in org.apache.hadoop.mapreduce">ID</A>&gt;</DD>
102</DL>
103<DL>
104<DT><B>Direct Known Subclasses:</B> <DD><A HREF="../../../../org/apache/hadoop/mapred/JobID.html" title="class in org.apache.hadoop.mapred">JobID</A></DD>
105</DL>
106<HR>
107<DL>
108<DT><PRE>public class <B>JobID</B><DT>extends <A HREF="../../../../org/apache/hadoop/mapred/ID.html" title="class in org.apache.hadoop.mapred">ID</A><DT>implements <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Comparable.html?is-external=true" title="class or interface in java.lang">Comparable</A>&lt;<A HREF="../../../../org/apache/hadoop/mapreduce/ID.html" title="class in org.apache.hadoop.mapreduce">ID</A>&gt;</DL>
109</PRE>
110
111<P>
112JobID represents the immutable and unique identifier for
113 the job. JobID consists of two parts. First part
114 represents the jobtracker identifier, so that jobID to jobtracker map
115 is defined. For cluster setup this string is the jobtracker
116 start time, for local setting, it is "local".
117 Second part of the JobID is the job number. <br> 
118 An example JobID is :
119 <code>job_200707121733_0003</code> , which represents the third job
120 running at the jobtracker started at <code>200707121733</code>.
121 <p>
122 Applications should never construct or parse JobID strings, but rather
123 use appropriate constructors or <A HREF="../../../../org/apache/hadoop/mapreduce/JobID.html#forName(java.lang.String)"><CODE>forName(String)</CODE></A> method.
124<P>
125
126<P>
127<DL>
128<DT><B>See Also:</B><DD><A HREF="../../../../org/apache/hadoop/mapreduce/TaskID.html" title="class in org.apache.hadoop.mapreduce"><CODE>TaskID</CODE></A>,
129<A HREF="../../../../org/apache/hadoop/mapreduce/TaskAttemptID.html" title="class in org.apache.hadoop.mapreduce"><CODE>TaskAttemptID</CODE></A>,
130<A HREF="../../../../org/apache/hadoop/mapred/JobTracker.html#getNewJobId()"><CODE>JobTracker.getNewJobId()</CODE></A>,
131<A HREF="../../../../org/apache/hadoop/mapred/JobTracker.html#getStartTime()"><CODE>JobTracker.getStartTime()</CODE></A></DL>
132<HR>
133
134<P>
135<!-- =========== FIELD SUMMARY =========== -->
136
137<A NAME="field_summary"><!-- --></A>
138<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
139<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
140<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
141<B>Field Summary</B></FONT></TH>
142</TR>
143<TR BGCOLOR="white" CLASS="TableRowColor">
144<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
145<CODE>protected static&nbsp;<A HREF="http://java.sun.com/javase/6/docs/api/java/text/NumberFormat.html?is-external=true" title="class or interface in java.text">NumberFormat</A></CODE></FONT></TD>
146<TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapreduce/JobID.html#idFormat">idFormat</A></B></CODE>
147
148<BR>
149&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
150</TR>
151<TR BGCOLOR="white" CLASS="TableRowColor">
152<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
153<CODE>protected static&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>
154<TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapreduce/JobID.html#JOB">JOB</A></B></CODE>
155
156<BR>
157&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
158</TR>
159</TABLE>
160&nbsp;<A NAME="fields_inherited_from_class_org.apache.hadoop.mapreduce.ID"><!-- --></A>
161<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
162<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
163<TH ALIGN="left"><B>Fields inherited from class org.apache.hadoop.mapreduce.<A HREF="../../../../org/apache/hadoop/mapreduce/ID.html" title="class in org.apache.hadoop.mapreduce">ID</A></B></TH>
164</TR>
165<TR BGCOLOR="white" CLASS="TableRowColor">
166<TD><CODE><A HREF="../../../../org/apache/hadoop/mapreduce/ID.html#id">id</A>, <A HREF="../../../../org/apache/hadoop/mapreduce/ID.html#SEPARATOR">SEPARATOR</A></CODE></TD>
167</TR>
168</TABLE>
169&nbsp;
170<!-- ======== CONSTRUCTOR SUMMARY ======== -->
171
172<A NAME="constructor_summary"><!-- --></A>
173<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
174<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
175<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
176<B>Constructor Summary</B></FONT></TH>
177</TR>
178<TR BGCOLOR="white" CLASS="TableRowColor">
179<TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapreduce/JobID.html#JobID()">JobID</A></B>()</CODE>
180
181<BR>
182&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
183</TR>
184<TR BGCOLOR="white" CLASS="TableRowColor">
185<TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapreduce/JobID.html#JobID(java.lang.String, int)">JobID</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;jtIdentifier,
186      int&nbsp;id)</CODE>
187
188<BR>
189&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Constructs a JobID object</TD>
190</TR>
191</TABLE>
192&nbsp;
193<!-- ========== METHOD SUMMARY =========== -->
194
195<A NAME="method_summary"><!-- --></A>
196<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
197<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
198<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
199<B>Method Summary</B></FONT></TH>
200</TR>
201<TR BGCOLOR="white" CLASS="TableRowColor">
202<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
203<CODE>&nbsp;<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/StringBuilder.html?is-external=true" title="class or interface in java.lang">StringBuilder</A></CODE></FONT></TD>
204<TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapreduce/JobID.html#appendTo(java.lang.StringBuilder)">appendTo</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/StringBuilder.html?is-external=true" title="class or interface in java.lang">StringBuilder</A>&nbsp;builder)</CODE>
205
206<BR>
207&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Add the stuff after the "job" prefix to the given builder.</TD>
208</TR>
209<TR BGCOLOR="white" CLASS="TableRowColor">
210<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
211<CODE>&nbsp;int</CODE></FONT></TD>
212<TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapreduce/JobID.html#compareTo(org.apache.hadoop.mapreduce.ID)">compareTo</A></B>(<A HREF="../../../../org/apache/hadoop/mapreduce/ID.html" title="class in org.apache.hadoop.mapreduce">ID</A>&nbsp;o)</CODE>
213
214<BR>
215&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Compare JobIds by first jtIdentifiers, then by job numbers</TD>
216</TR>
217<TR BGCOLOR="white" CLASS="TableRowColor">
218<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
219<CODE>&nbsp;boolean</CODE></FONT></TD>
220<TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapreduce/JobID.html#equals(java.lang.Object)">equals</A></B>(<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>&nbsp;o)</CODE>
221
222<BR>
223&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
224</TR>
225<TR BGCOLOR="white" CLASS="TableRowColor">
226<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
227<CODE>static&nbsp;<A HREF="../../../../org/apache/hadoop/mapreduce/JobID.html" title="class in org.apache.hadoop.mapreduce">JobID</A></CODE></FONT></TD>
228<TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapreduce/JobID.html#forName(java.lang.String)">forName</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;str)</CODE>
229
230<BR>
231&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Construct a JobId object from given string</TD>
232</TR>
233<TR BGCOLOR="white" CLASS="TableRowColor">
234<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
235<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>
236<TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapreduce/JobID.html#getJtIdentifier()">getJtIdentifier</A></B>()</CODE>
237
238<BR>
239&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
240</TR>
241<TR BGCOLOR="white" CLASS="TableRowColor">
242<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
243<CODE>&nbsp;int</CODE></FONT></TD>
244<TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapreduce/JobID.html#hashCode()">hashCode</A></B>()</CODE>
245
246<BR>
247&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
248</TR>
249<TR BGCOLOR="white" CLASS="TableRowColor">
250<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
251<CODE>&nbsp;void</CODE></FONT></TD>
252<TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapreduce/JobID.html#readFields(java.io.DataInput)">readFields</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/io/DataInput.html?is-external=true" title="class or interface in java.io">DataInput</A>&nbsp;in)</CODE>
253
254<BR>
255&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Deserialize the fields of this object from <code>in</code>.</TD>
256</TR>
257<TR BGCOLOR="white" CLASS="TableRowColor">
258<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
259<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>
260<TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapreduce/JobID.html#toString()">toString</A></B>()</CODE>
261
262<BR>
263&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
264</TR>
265<TR BGCOLOR="white" CLASS="TableRowColor">
266<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
267<CODE>&nbsp;void</CODE></FONT></TD>
268<TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapreduce/JobID.html#write(java.io.DataOutput)">write</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/io/DataOutput.html?is-external=true" title="class or interface in java.io">DataOutput</A>&nbsp;out)</CODE>
269
270<BR>
271&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Serialize the fields of this object to <code>out</code>.</TD>
272</TR>
273</TABLE>
274&nbsp;<A NAME="methods_inherited_from_class_org.apache.hadoop.mapreduce.ID"><!-- --></A>
275<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
276<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
277<TH ALIGN="left"><B>Methods inherited from class org.apache.hadoop.mapreduce.<A HREF="../../../../org/apache/hadoop/mapreduce/ID.html" title="class in org.apache.hadoop.mapreduce">ID</A></B></TH>
278</TR>
279<TR BGCOLOR="white" CLASS="TableRowColor">
280<TD><CODE><A HREF="../../../../org/apache/hadoop/mapreduce/ID.html#getId()">getId</A></CODE></TD>
281</TR>
282</TABLE>
283&nbsp;<A NAME="methods_inherited_from_class_java.lang.Object"><!-- --></A>
284<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
285<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
286<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>
287</TR>
288<TR BGCOLOR="white" CLASS="TableRowColor">
289<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#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#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#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>
290</TR>
291</TABLE>
292&nbsp;
293<P>
294
295<!-- ============ FIELD DETAIL =========== -->
296
297<A NAME="field_detail"><!-- --></A>
298<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
299<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
300<TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2">
301<B>Field Detail</B></FONT></TH>
302</TR>
303</TABLE>
304
305<A NAME="JOB"><!-- --></A><H3>
306JOB</H3>
307<PRE>
308protected static final <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>JOB</B></PRE>
309<DL>
310<DL>
311<DT><B>See Also:</B><DD><A HREF="../../../../constant-values.html#org.apache.hadoop.mapreduce.JobID.JOB">Constant Field Values</A></DL>
312</DL>
313<HR>
314
315<A NAME="idFormat"><!-- --></A><H3>
316idFormat</H3>
317<PRE>
318protected static final <A HREF="http://java.sun.com/javase/6/docs/api/java/text/NumberFormat.html?is-external=true" title="class or interface in java.text">NumberFormat</A> <B>idFormat</B></PRE>
319<DL>
320<DL>
321</DL>
322</DL>
323
324<!-- ========= CONSTRUCTOR DETAIL ======== -->
325
326<A NAME="constructor_detail"><!-- --></A>
327<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
328<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
329<TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2">
330<B>Constructor Detail</B></FONT></TH>
331</TR>
332</TABLE>
333
334<A NAME="JobID(java.lang.String, int)"><!-- --></A><H3>
335JobID</H3>
336<PRE>
337public <B>JobID</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;jtIdentifier,
338             int&nbsp;id)</PRE>
339<DL>
340<DD>Constructs a JobID object
341<P>
342<DL>
343<DT><B>Parameters:</B><DD><CODE>jtIdentifier</CODE> - jobTracker identifier<DD><CODE>id</CODE> - job number</DL>
344</DL>
345<HR>
346
347<A NAME="JobID()"><!-- --></A><H3>
348JobID</H3>
349<PRE>
350public <B>JobID</B>()</PRE>
351<DL>
352</DL>
353
354<!-- ============ METHOD DETAIL ========== -->
355
356<A NAME="method_detail"><!-- --></A>
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360<B>Method Detail</B></FONT></TH>
361</TR>
362</TABLE>
363
364<A NAME="getJtIdentifier()"><!-- --></A><H3>
365getJtIdentifier</H3>
366<PRE>
367public <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>getJtIdentifier</B>()</PRE>
368<DL>
369<DD><DL>
370</DL>
371</DD>
372<DD><DL>
373</DL>
374</DD>
375</DL>
376<HR>
377
378<A NAME="equals(java.lang.Object)"><!-- --></A><H3>
379equals</H3>
380<PRE>
381public boolean <B>equals</B>(<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>&nbsp;o)</PRE>
382<DL>
383<DD><DL>
384<DT><B>Overrides:</B><DD><CODE><A HREF="../../../../org/apache/hadoop/mapreduce/ID.html#equals(java.lang.Object)">equals</A></CODE> in class <CODE><A HREF="../../../../org/apache/hadoop/mapreduce/ID.html" title="class in org.apache.hadoop.mapreduce">ID</A></CODE></DL>
385</DD>
386<DD><DL>
387</DL>
388</DD>
389</DL>
390<HR>
391
392<A NAME="compareTo(org.apache.hadoop.mapreduce.ID)"><!-- --></A><H3>
393compareTo</H3>
394<PRE>
395public int <B>compareTo</B>(<A HREF="../../../../org/apache/hadoop/mapreduce/ID.html" title="class in org.apache.hadoop.mapreduce">ID</A>&nbsp;o)</PRE>
396<DL>
397<DD>Compare JobIds by first jtIdentifiers, then by job numbers
398<P>
399<DD><DL>
400<DT><B>Specified by:</B><DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Comparable.html?is-external=true#compareTo(T)" title="class or interface in java.lang">compareTo</A></CODE> in interface <CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Comparable.html?is-external=true" title="class or interface in java.lang">Comparable</A>&lt;<A HREF="../../../../org/apache/hadoop/mapreduce/ID.html" title="class in org.apache.hadoop.mapreduce">ID</A>&gt;</CODE><DT><B>Overrides:</B><DD><CODE><A HREF="../../../../org/apache/hadoop/mapreduce/ID.html#compareTo(org.apache.hadoop.mapreduce.ID)">compareTo</A></CODE> in class <CODE><A HREF="../../../../org/apache/hadoop/mapreduce/ID.html" title="class in org.apache.hadoop.mapreduce">ID</A></CODE></DL>
401</DD>
402<DD><DL>
403</DL>
404</DD>
405</DL>
406<HR>
407
408<A NAME="appendTo(java.lang.StringBuilder)"><!-- --></A><H3>
409appendTo</H3>
410<PRE>
411public <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/StringBuilder.html?is-external=true" title="class or interface in java.lang">StringBuilder</A> <B>appendTo</B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/StringBuilder.html?is-external=true" title="class or interface in java.lang">StringBuilder</A>&nbsp;builder)</PRE>
412<DL>
413<DD>Add the stuff after the "job" prefix to the given builder. This is useful,
414 because the sub-ids use this substring at the start of their string.
415<P>
416<DD><DL>
417</DL>
418</DD>
419<DD><DL>
420<DT><B>Parameters:</B><DD><CODE>builder</CODE> - the builder to append to
421<DT><B>Returns:</B><DD>the builder that was passed in</DL>
422</DD>
423</DL>
424<HR>
425
426<A NAME="hashCode()"><!-- --></A><H3>
427hashCode</H3>
428<PRE>
429public int <B>hashCode</B>()</PRE>
430<DL>
431<DD><DL>
432<DT><B>Overrides:</B><DD><CODE><A HREF="../../../../org/apache/hadoop/mapreduce/ID.html#hashCode()">hashCode</A></CODE> in class <CODE><A HREF="../../../../org/apache/hadoop/mapreduce/ID.html" title="class in org.apache.hadoop.mapreduce">ID</A></CODE></DL>
433</DD>
434<DD><DL>
435</DL>
436</DD>
437</DL>
438<HR>
439
440<A NAME="toString()"><!-- --></A><H3>
441toString</H3>
442<PRE>
443public <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>toString</B>()</PRE>
444<DL>
445<DD><DL>
446<DT><B>Overrides:</B><DD><CODE><A HREF="../../../../org/apache/hadoop/mapreduce/ID.html#toString()">toString</A></CODE> in class <CODE><A HREF="../../../../org/apache/hadoop/mapreduce/ID.html" title="class in org.apache.hadoop.mapreduce">ID</A></CODE></DL>
447</DD>
448<DD><DL>
449</DL>
450</DD>
451</DL>
452<HR>
453
454<A NAME="readFields(java.io.DataInput)"><!-- --></A><H3>
455readFields</H3>
456<PRE>
457public void <B>readFields</B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/io/DataInput.html?is-external=true" title="class or interface in java.io">DataInput</A>&nbsp;in)
458                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>
459<DL>
460<DD><B>Description copied from interface: <CODE><A HREF="../../../../org/apache/hadoop/io/Writable.html#readFields(java.io.DataInput)">Writable</A></CODE></B></DD>
461<DD>Deserialize the fields of this object from <code>in</code>. 
462 
463 <p>For efficiency, implementations should attempt to re-use storage in the
464 existing object where possible.</p>
465<P>
466<DD><DL>
467<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../org/apache/hadoop/io/Writable.html#readFields(java.io.DataInput)">readFields</A></CODE> in interface <CODE><A HREF="../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</A></CODE><DT><B>Overrides:</B><DD><CODE><A HREF="../../../../org/apache/hadoop/mapreduce/ID.html#readFields(java.io.DataInput)">readFields</A></CODE> in class <CODE><A HREF="../../../../org/apache/hadoop/mapreduce/ID.html" title="class in org.apache.hadoop.mapreduce">ID</A></CODE></DL>
468</DD>
469<DD><DL>
470<DT><B>Parameters:</B><DD><CODE>in</CODE> - <code>DataInput</code> to deseriablize this object from.
471<DT><B>Throws:</B>
472<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>
473</DD>
474</DL>
475<HR>
476
477<A NAME="write(java.io.DataOutput)"><!-- --></A><H3>
478write</H3>
479<PRE>
480public void <B>write</B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/io/DataOutput.html?is-external=true" title="class or interface in java.io">DataOutput</A>&nbsp;out)
481           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>
482<DL>
483<DD><B>Description copied from interface: <CODE><A HREF="../../../../org/apache/hadoop/io/Writable.html#write(java.io.DataOutput)">Writable</A></CODE></B></DD>
484<DD>Serialize the fields of this object to <code>out</code>.
485<P>
486<DD><DL>
487<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../org/apache/hadoop/io/Writable.html#write(java.io.DataOutput)">write</A></CODE> in interface <CODE><A HREF="../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</A></CODE><DT><B>Overrides:</B><DD><CODE><A HREF="../../../../org/apache/hadoop/mapreduce/ID.html#write(java.io.DataOutput)">write</A></CODE> in class <CODE><A HREF="../../../../org/apache/hadoop/mapreduce/ID.html" title="class in org.apache.hadoop.mapreduce">ID</A></CODE></DL>
488</DD>
489<DD><DL>
490<DT><B>Parameters:</B><DD><CODE>out</CODE> - <code>DataOuput</code> to serialize this object into.
491<DT><B>Throws:</B>
492<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>
493</DD>
494</DL>
495<HR>
496
497<A NAME="forName(java.lang.String)"><!-- --></A><H3>
498forName</H3>
499<PRE>
500public static <A HREF="../../../../org/apache/hadoop/mapreduce/JobID.html" title="class in org.apache.hadoop.mapreduce">JobID</A> <B>forName</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;str)
501                     throws <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/IllegalArgumentException.html?is-external=true" title="class or interface in java.lang">IllegalArgumentException</A></PRE>
502<DL>
503<DD>Construct a JobId object from given string
504<P>
505<DD><DL>
506</DL>
507</DD>
508<DD><DL>
509
510<DT><B>Returns:</B><DD>constructed JobId object or null if the given String is null
511<DT><B>Throws:</B>
512<DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/lang/IllegalArgumentException.html?is-external=true" title="class or interface in java.lang">IllegalArgumentException</A></CODE> - if the given string is malformed</DL>
513</DD>
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