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6<TITLE>
7Counters (Hadoop 0.20.1 API)
8</TITLE>
9
10<META NAME="date" CONTENT="2009-09-01">
11
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18        parent.document.title="Counters (Hadoop 0.20.1 API)";
19    }
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37<A NAME="navbar_top_firstrow"><!-- --></A>
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86
87<HR>
88<!-- ======== START OF CLASS DATA ======== -->
89<H2>
90<FONT SIZE="-1">
91org.apache.hadoop.mapreduce</FONT>
92<BR>
93Class Counters</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 "><B>org.apache.hadoop.mapreduce.Counters</B>
97</PRE>
98<DL>
99<DT><B>All Implemented Interfaces:</B> <DD><A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Iterable.html?is-external=true" title="class or interface in java.lang">Iterable</A>&lt;<A HREF="../../../../org/apache/hadoop/mapreduce/CounterGroup.html" title="class in org.apache.hadoop.mapreduce">CounterGroup</A>&gt;, <A HREF="../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</A></DD>
100</DL>
101<HR>
102<DL>
103<DT><PRE>public class <B>Counters</B><DT>extends <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><DT>implements <A HREF="../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Iterable.html?is-external=true" title="class or interface in java.lang">Iterable</A>&lt;<A HREF="../../../../org/apache/hadoop/mapreduce/CounterGroup.html" title="class in org.apache.hadoop.mapreduce">CounterGroup</A>&gt;</DL>
104</PRE>
105
106<P>
107<HR>
108
109<P>
110
111<!-- ======== CONSTRUCTOR SUMMARY ======== -->
112
113<A NAME="constructor_summary"><!-- --></A>
114<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
115<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
116<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
117<B>Constructor Summary</B></FONT></TH>
118</TR>
119<TR BGCOLOR="white" CLASS="TableRowColor">
120<TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapreduce/Counters.html#Counters()">Counters</A></B>()</CODE>
121
122<BR>
123&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
124</TR>
125</TABLE>
126&nbsp;
127<!-- ========== METHOD SUMMARY =========== -->
128
129<A NAME="method_summary"><!-- --></A>
130<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
131<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
132<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
133<B>Method Summary</B></FONT></TH>
134</TR>
135<TR BGCOLOR="white" CLASS="TableRowColor">
136<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
137<CODE>&nbsp;int</CODE></FONT></TD>
138<TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapreduce/Counters.html#countCounters()">countCounters</A></B>()</CODE>
139
140<BR>
141&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns the total number of counters, by summing the number of counters
142 in each group.</TD>
143</TR>
144<TR BGCOLOR="white" CLASS="TableRowColor">
145<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
146<CODE>&nbsp;boolean</CODE></FONT></TD>
147<TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapreduce/Counters.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;genericRight)</CODE>
148
149<BR>
150&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
151</TR>
152<TR BGCOLOR="white" CLASS="TableRowColor">
153<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
154<CODE>&nbsp;<A HREF="../../../../org/apache/hadoop/mapreduce/Counter.html" title="class in org.apache.hadoop.mapreduce">Counter</A></CODE></FONT></TD>
155<TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapreduce/Counters.html#findCounter(java.lang.Enum)">findCounter</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Enum.html?is-external=true" title="class or interface in java.lang">Enum</A>&lt;?&gt;&nbsp;key)</CODE>
156
157<BR>
158&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Find the counter for the given enum.</TD>
159</TR>
160<TR BGCOLOR="white" CLASS="TableRowColor">
161<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
162<CODE>&nbsp;<A HREF="../../../../org/apache/hadoop/mapreduce/Counter.html" title="class in org.apache.hadoop.mapreduce">Counter</A></CODE></FONT></TD>
163<TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapreduce/Counters.html#findCounter(java.lang.String, java.lang.String)">findCounter</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;groupName,
164            <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;counterName)</CODE>
165
166<BR>
167&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
168</TR>
169<TR BGCOLOR="white" CLASS="TableRowColor">
170<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
171<CODE>&nbsp;<A HREF="../../../../org/apache/hadoop/mapreduce/CounterGroup.html" title="class in org.apache.hadoop.mapreduce">CounterGroup</A></CODE></FONT></TD>
172<TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapreduce/Counters.html#getGroup(java.lang.String)">getGroup</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;groupName)</CODE>
173
174<BR>
175&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns the named counter group, or an empty group if there is none
176 with the specified name.</TD>
177</TR>
178<TR BGCOLOR="white" CLASS="TableRowColor">
179<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
180<CODE>&nbsp;<A HREF="http://java.sun.com/javase/6/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</A>&lt;<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>&gt;</CODE></FONT></TD>
181<TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapreduce/Counters.html#getGroupNames()">getGroupNames</A></B>()</CODE>
182
183<BR>
184&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns the names of all counter classes.</TD>
185</TR>
186<TR BGCOLOR="white" CLASS="TableRowColor">
187<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
188<CODE>&nbsp;int</CODE></FONT></TD>
189<TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapreduce/Counters.html#hashCode()">hashCode</A></B>()</CODE>
190
191<BR>
192&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
193</TR>
194<TR BGCOLOR="white" CLASS="TableRowColor">
195<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
196<CODE>&nbsp;void</CODE></FONT></TD>
197<TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapreduce/Counters.html#incrAllCounters(org.apache.hadoop.mapreduce.Counters)">incrAllCounters</A></B>(<A HREF="../../../../org/apache/hadoop/mapreduce/Counters.html" title="class in org.apache.hadoop.mapreduce">Counters</A>&nbsp;other)</CODE>
198
199<BR>
200&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Increments multiple counters by their amounts in another Counters
201 instance.</TD>
202</TR>
203<TR BGCOLOR="white" CLASS="TableRowColor">
204<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
205<CODE>&nbsp;<A HREF="http://java.sun.com/javase/6/docs/api/java/util/Iterator.html?is-external=true" title="class or interface in java.util">Iterator</A>&lt;<A HREF="../../../../org/apache/hadoop/mapreduce/CounterGroup.html" title="class in org.apache.hadoop.mapreduce">CounterGroup</A>&gt;</CODE></FONT></TD>
206<TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapreduce/Counters.html#iterator()">iterator</A></B>()</CODE>
207
208<BR>
209&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
210</TR>
211<TR BGCOLOR="white" CLASS="TableRowColor">
212<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
213<CODE>&nbsp;void</CODE></FONT></TD>
214<TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapreduce/Counters.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>
215
216<BR>
217&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Read a set of groups.</TD>
218</TR>
219<TR BGCOLOR="white" CLASS="TableRowColor">
220<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
221<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>
222<TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapreduce/Counters.html#toString()">toString</A></B>()</CODE>
223
224<BR>
225&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Return textual representation of the counter values.</TD>
226</TR>
227<TR BGCOLOR="white" CLASS="TableRowColor">
228<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
229<CODE>&nbsp;void</CODE></FONT></TD>
230<TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapreduce/Counters.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>
231
232<BR>
233&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Write the set of groups.</TD>
234</TR>
235</TABLE>
236&nbsp;<A NAME="methods_inherited_from_class_java.lang.Object"><!-- --></A>
237<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
238<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
239<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>
240</TR>
241<TR BGCOLOR="white" CLASS="TableRowColor">
242<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>
243</TR>
244</TABLE>
245&nbsp;
246<P>
247
248<!-- ========= CONSTRUCTOR DETAIL ======== -->
249
250<A NAME="constructor_detail"><!-- --></A>
251<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
252<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
253<TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2">
254<B>Constructor Detail</B></FONT></TH>
255</TR>
256</TABLE>
257
258<A NAME="Counters()"><!-- --></A><H3>
259Counters</H3>
260<PRE>
261public <B>Counters</B>()</PRE>
262<DL>
263</DL>
264
265<!-- ============ METHOD DETAIL ========== -->
266
267<A NAME="method_detail"><!-- --></A>
268<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
269<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
270<TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2">
271<B>Method Detail</B></FONT></TH>
272</TR>
273</TABLE>
274
275<A NAME="findCounter(java.lang.String, java.lang.String)"><!-- --></A><H3>
276findCounter</H3>
277<PRE>
278public <A HREF="../../../../org/apache/hadoop/mapreduce/Counter.html" title="class in org.apache.hadoop.mapreduce">Counter</A> <B>findCounter</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;groupName,
279                           <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;counterName)</PRE>
280<DL>
281<DD><DL>
282</DL>
283</DD>
284<DD><DL>
285</DL>
286</DD>
287</DL>
288<HR>
289
290<A NAME="findCounter(java.lang.Enum)"><!-- --></A><H3>
291findCounter</H3>
292<PRE>
293public <A HREF="../../../../org/apache/hadoop/mapreduce/Counter.html" title="class in org.apache.hadoop.mapreduce">Counter</A> <B>findCounter</B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Enum.html?is-external=true" title="class or interface in java.lang">Enum</A>&lt;?&gt;&nbsp;key)</PRE>
294<DL>
295<DD>Find the counter for the given enum. The same enum will always return the
296 same counter.
297<P>
298<DD><DL>
299</DL>
300</DD>
301<DD><DL>
302<DT><B>Parameters:</B><DD><CODE>key</CODE> - the counter key
303<DT><B>Returns:</B><DD>the matching counter object</DL>
304</DD>
305</DL>
306<HR>
307
308<A NAME="getGroupNames()"><!-- --></A><H3>
309getGroupNames</H3>
310<PRE>
311public <A HREF="http://java.sun.com/javase/6/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</A>&lt;<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>&gt; <B>getGroupNames</B>()</PRE>
312<DL>
313<DD>Returns the names of all counter classes.
314<P>
315<DD><DL>
316</DL>
317</DD>
318<DD><DL>
319
320<DT><B>Returns:</B><DD>Set of counter names.</DL>
321</DD>
322</DL>
323<HR>
324
325<A NAME="iterator()"><!-- --></A><H3>
326iterator</H3>
327<PRE>
328public <A HREF="http://java.sun.com/javase/6/docs/api/java/util/Iterator.html?is-external=true" title="class or interface in java.util">Iterator</A>&lt;<A HREF="../../../../org/apache/hadoop/mapreduce/CounterGroup.html" title="class in org.apache.hadoop.mapreduce">CounterGroup</A>&gt; <B>iterator</B>()</PRE>
329<DL>
330<DD><DL>
331<DT><B>Specified by:</B><DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Iterable.html?is-external=true#iterator()" title="class or interface in java.lang">iterator</A></CODE> in interface <CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Iterable.html?is-external=true" title="class or interface in java.lang">Iterable</A>&lt;<A HREF="../../../../org/apache/hadoop/mapreduce/CounterGroup.html" title="class in org.apache.hadoop.mapreduce">CounterGroup</A>&gt;</CODE></DL>
332</DD>
333<DD><DL>
334</DL>
335</DD>
336</DL>
337<HR>
338
339<A NAME="getGroup(java.lang.String)"><!-- --></A><H3>
340getGroup</H3>
341<PRE>
342public <A HREF="../../../../org/apache/hadoop/mapreduce/CounterGroup.html" title="class in org.apache.hadoop.mapreduce">CounterGroup</A> <B>getGroup</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;groupName)</PRE>
343<DL>
344<DD>Returns the named counter group, or an empty group if there is none
345 with the specified name.
346<P>
347<DD><DL>
348</DL>
349</DD>
350<DD><DL>
351</DL>
352</DD>
353</DL>
354<HR>
355
356<A NAME="countCounters()"><!-- --></A><H3>
357countCounters</H3>
358<PRE>
359public int <B>countCounters</B>()</PRE>
360<DL>
361<DD>Returns the total number of counters, by summing the number of counters
362 in each group.
363<P>
364<DD><DL>
365</DL>
366</DD>
367<DD><DL>
368</DL>
369</DD>
370</DL>
371<HR>
372
373<A NAME="write(java.io.DataOutput)"><!-- --></A><H3>
374write</H3>
375<PRE>
376public 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)
377           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>
378<DL>
379<DD>Write the set of groups.
380 The external format is:
381     #groups (groupName group)*
382
383 i.e. the number of groups followed by 0 or more groups, where each
384 group is of the form:
385
386     groupDisplayName #counters (false | true counter)*
387
388 where each counter is of the form:
389
390     name (false | true displayName) value
391<P>
392<DD><DL>
393<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></DL>
394</DD>
395<DD><DL>
396<DT><B>Parameters:</B><DD><CODE>out</CODE> - <code>DataOuput</code> to serialize this object into.
397<DT><B>Throws:</B>
398<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>
399</DD>
400</DL>
401<HR>
402
403<A NAME="readFields(java.io.DataInput)"><!-- --></A><H3>
404readFields</H3>
405<PRE>
406public 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)
407                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>
408<DL>
409<DD>Read a set of groups.
410<P>
411<DD><DL>
412<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></DL>
413</DD>
414<DD><DL>
415<DT><B>Parameters:</B><DD><CODE>in</CODE> - <code>DataInput</code> to deseriablize this object from.
416<DT><B>Throws:</B>
417<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>
418</DD>
419</DL>
420<HR>
421
422<A NAME="toString()"><!-- --></A><H3>
423toString</H3>
424<PRE>
425public <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>
426<DL>
427<DD>Return textual representation of the counter values.
428<P>
429<DD><DL>
430<DT><B>Overrides:</B><DD><CODE><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></CODE> in class <CODE><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></CODE></DL>
431</DD>
432<DD><DL>
433</DL>
434</DD>
435</DL>
436<HR>
437
438<A NAME="incrAllCounters(org.apache.hadoop.mapreduce.Counters)"><!-- --></A><H3>
439incrAllCounters</H3>
440<PRE>
441public void <B>incrAllCounters</B>(<A HREF="../../../../org/apache/hadoop/mapreduce/Counters.html" title="class in org.apache.hadoop.mapreduce">Counters</A>&nbsp;other)</PRE>
442<DL>
443<DD>Increments multiple counters by their amounts in another Counters
444 instance.
445<P>
446<DD><DL>
447</DL>
448</DD>
449<DD><DL>
450<DT><B>Parameters:</B><DD><CODE>other</CODE> - the other Counters instance</DL>
451</DD>
452</DL>
453<HR>
454
455<A NAME="equals(java.lang.Object)"><!-- --></A><H3>
456equals</H3>
457<PRE>
458public 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;genericRight)</PRE>
459<DL>
460<DD><DL>
461<DT><B>Overrides:</B><DD><CODE><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></CODE> in class <CODE><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></CODE></DL>
462</DD>
463<DD><DL>
464</DL>
465</DD>
466</DL>
467<HR>
468
469<A NAME="hashCode()"><!-- --></A><H3>
470hashCode</H3>
471<PRE>
472public int <B>hashCode</B>()</PRE>
473<DL>
474<DD><DL>
475<DT><B>Overrides:</B><DD><CODE><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></CODE> in class <CODE><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></CODE></DL>
476</DD>
477<DD><DL>
478</DL>
479</DD>
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