source: proiecte/HadoopJUnit/hadoop-0.20.1/docs/api/org/apache/hadoop/mapred/lib/aggregate/class-use/ValueAggregator.html @ 120

Last change on this file since 120 was 120, checked in by (none), 14 years ago

Added the mail files for the Hadoop JUNit Project
  • Property svn:executable set to *
File size: 12.9 KB
Line 
1<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
2<!--NewPage-->
3<HTML>
4<HEAD>
5<!-- Generated by javadoc (build 1.6.0_07) on Tue Sep 01 20:57:02 UTC 2009 -->
6<TITLE>
7Uses of Interface org.apache.hadoop.mapred.lib.aggregate.ValueAggregator (Hadoop 0.20.1 API)
8</TITLE>
9
10<META NAME="date" CONTENT="2009-09-01">
11
12<LINK REL ="stylesheet" TYPE="text/css" HREF="../../../../../../../stylesheet.css" TITLE="Style">
13
14<SCRIPT type="text/javascript">
15function windowTitle()
16{
17    if (location.href.indexOf('is-external=true') == -1) {
18        parent.document.title="Uses of Interface org.apache.hadoop.mapred.lib.aggregate.ValueAggregator (Hadoop 0.20.1 API)";
19    }
20}
21</SCRIPT>
22<NOSCRIPT>
23</NOSCRIPT>
24
25</HEAD>
26
27<BODY BGCOLOR="white" onload="windowTitle();">
28<HR>
29
30
31<!-- ========= START OF TOP NAVBAR ======= -->
32<A NAME="navbar_top"><!-- --></A>
33<A HREF="#skip-navbar_top" title="Skip navigation links"></A>
34<TABLE BORDER="0" WIDTH="100%" CELLPADDING="1" CELLSPACING="0" SUMMARY="">
35<TR>
36<TD COLSPAN=2 BGCOLOR="#EEEEFF" CLASS="NavBarCell1">
37<A NAME="navbar_top_firstrow"><!-- --></A>
38<TABLE BORDER="0" CELLPADDING="0" CELLSPACING="3" SUMMARY="">
39  <TR ALIGN="center" VALIGN="top">
40  <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1">    <A HREF="../../../../../../../overview-summary.html"><FONT CLASS="NavBarFont1"><B>Overview</B></FONT></A>&nbsp;</TD>
41  <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1">    <A HREF="../package-summary.html"><FONT CLASS="NavBarFont1"><B>Package</B></FONT></A>&nbsp;</TD>
42  <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1">    <A HREF="../../../../../../../org/apache/hadoop/mapred/lib/aggregate/ValueAggregator.html" title="interface in org.apache.hadoop.mapred.lib.aggregate"><FONT CLASS="NavBarFont1"><B>Class</B></FONT></A>&nbsp;</TD>
43  <TD BGCOLOR="#FFFFFF" CLASS="NavBarCell1Rev"> &nbsp;<FONT CLASS="NavBarFont1Rev"><B>Use</B></FONT>&nbsp;</TD>
44  <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1">    <A HREF="../package-tree.html"><FONT CLASS="NavBarFont1"><B>Tree</B></FONT></A>&nbsp;</TD>
45  <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1">    <A HREF="../../../../../../../deprecated-list.html"><FONT CLASS="NavBarFont1"><B>Deprecated</B></FONT></A>&nbsp;</TD>
46  <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1">    <A HREF="../../../../../../../index-all.html"><FONT CLASS="NavBarFont1"><B>Index</B></FONT></A>&nbsp;</TD>
47  <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1">    <A HREF="../../../../../../../help-doc.html"><FONT CLASS="NavBarFont1"><B>Help</B></FONT></A>&nbsp;</TD>
48  </TR>
49</TABLE>
50</TD>
51<TD ALIGN="right" VALIGN="top" ROWSPAN=3><EM>
52</EM>
53</TD>
54</TR>
55
56<TR>
57<TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2">
58&nbsp;PREV&nbsp;
59&nbsp;NEXT</FONT></TD>
60<TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2">
61  <A HREF="../../../../../../../index.html?org/apache/hadoop/mapred/lib/aggregate//class-useValueAggregator.html" target="_top"><B>FRAMES</B></A>  &nbsp;
62&nbsp;<A HREF="ValueAggregator.html" target="_top"><B>NO FRAMES</B></A>  &nbsp;
63&nbsp;<SCRIPT type="text/javascript">
64  <!--
65  if(window==top) {
66    document.writeln('<A HREF="../../../../../../../allclasses-noframe.html"><B>All Classes</B></A>');
67  }
68  //-->
69</SCRIPT>
70<NOSCRIPT>
71  <A HREF="../../../../../../../allclasses-noframe.html"><B>All Classes</B></A>
72</NOSCRIPT>
73
74
75</FONT></TD>
76</TR>
77</TABLE>
78<A NAME="skip-navbar_top"></A>
79<!-- ========= END OF TOP NAVBAR ========= -->
80
81<HR>
82<CENTER>
83<H2>
84<B>Uses of Interface<br>org.apache.hadoop.mapred.lib.aggregate.ValueAggregator</B></H2>
85</CENTER>
86
87<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
88<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
89<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
90Packages that use <A HREF="../../../../../../../org/apache/hadoop/mapred/lib/aggregate/ValueAggregator.html" title="interface in org.apache.hadoop.mapred.lib.aggregate">ValueAggregator</A></FONT></TH>
91</TR>
92<TR BGCOLOR="white" CLASS="TableRowColor">
93<TD><A HREF="#org.apache.hadoop.mapred.lib.aggregate"><B>org.apache.hadoop.mapred.lib.aggregate</B></A></TD>
94<TD>Classes for performing various counting and aggregations.&nbsp;</TD>
95</TR>
96</TABLE>
97&nbsp;
98<P>
99<A NAME="org.apache.hadoop.mapred.lib.aggregate"><!-- --></A>
100<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
101<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
102<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
103Uses of <A HREF="../../../../../../../org/apache/hadoop/mapred/lib/aggregate/ValueAggregator.html" title="interface in org.apache.hadoop.mapred.lib.aggregate">ValueAggregator</A> in <A HREF="../../../../../../../org/apache/hadoop/mapred/lib/aggregate/package-summary.html">org.apache.hadoop.mapred.lib.aggregate</A></FONT></TH>
104</TR>
105</TABLE>
106&nbsp;
107<P>
108
109<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
110<TR BGCOLOR="#CCCCFF" CLASS="TableSubHeadingColor">
111<TH ALIGN="left" COLSPAN="2">Classes in <A HREF="../../../../../../../org/apache/hadoop/mapred/lib/aggregate/package-summary.html">org.apache.hadoop.mapred.lib.aggregate</A> that implement <A HREF="../../../../../../../org/apache/hadoop/mapred/lib/aggregate/ValueAggregator.html" title="interface in org.apache.hadoop.mapred.lib.aggregate">ValueAggregator</A></FONT></TH>
112</TR>
113<TR BGCOLOR="white" CLASS="TableRowColor">
114<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
115<CODE>&nbsp;class</CODE></FONT></TD>
116<TD><CODE><B><A HREF="../../../../../../../org/apache/hadoop/mapred/lib/aggregate/DoubleValueSum.html" title="class in org.apache.hadoop.mapred.lib.aggregate">DoubleValueSum</A></B></CODE>
117
118<BR>
119&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;This class implements a value aggregator that sums up a sequence of double
120 values.</TD>
121</TR>
122<TR BGCOLOR="white" CLASS="TableRowColor">
123<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
124<CODE>&nbsp;class</CODE></FONT></TD>
125<TD><CODE><B><A HREF="../../../../../../../org/apache/hadoop/mapred/lib/aggregate/LongValueMax.html" title="class in org.apache.hadoop.mapred.lib.aggregate">LongValueMax</A></B></CODE>
126
127<BR>
128&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;This class implements a value aggregator that maintain the maximum of
129 a sequence of long values.</TD>
130</TR>
131<TR BGCOLOR="white" CLASS="TableRowColor">
132<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
133<CODE>&nbsp;class</CODE></FONT></TD>
134<TD><CODE><B><A HREF="../../../../../../../org/apache/hadoop/mapred/lib/aggregate/LongValueMin.html" title="class in org.apache.hadoop.mapred.lib.aggregate">LongValueMin</A></B></CODE>
135
136<BR>
137&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;This class implements a value aggregator that maintain the minimum of
138 a sequence of long values.</TD>
139</TR>
140<TR BGCOLOR="white" CLASS="TableRowColor">
141<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
142<CODE>&nbsp;class</CODE></FONT></TD>
143<TD><CODE><B><A HREF="../../../../../../../org/apache/hadoop/mapred/lib/aggregate/LongValueSum.html" title="class in org.apache.hadoop.mapred.lib.aggregate">LongValueSum</A></B></CODE>
144
145<BR>
146&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;This class implements a value aggregator that sums up
147 a sequence of long values.</TD>
148</TR>
149<TR BGCOLOR="white" CLASS="TableRowColor">
150<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
151<CODE>&nbsp;class</CODE></FONT></TD>
152<TD><CODE><B><A HREF="../../../../../../../org/apache/hadoop/mapred/lib/aggregate/StringValueMax.html" title="class in org.apache.hadoop.mapred.lib.aggregate">StringValueMax</A></B></CODE>
153
154<BR>
155&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;This class implements a value aggregator that maintain the biggest of
156 a sequence of strings.</TD>
157</TR>
158<TR BGCOLOR="white" CLASS="TableRowColor">
159<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
160<CODE>&nbsp;class</CODE></FONT></TD>
161<TD><CODE><B><A HREF="../../../../../../../org/apache/hadoop/mapred/lib/aggregate/StringValueMin.html" title="class in org.apache.hadoop.mapred.lib.aggregate">StringValueMin</A></B></CODE>
162
163<BR>
164&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;This class implements a value aggregator that maintain the smallest of
165 a sequence of strings.</TD>
166</TR>
167<TR BGCOLOR="white" CLASS="TableRowColor">
168<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
169<CODE>&nbsp;class</CODE></FONT></TD>
170<TD><CODE><B><A HREF="../../../../../../../org/apache/hadoop/mapred/lib/aggregate/UniqValueCount.html" title="class in org.apache.hadoop.mapred.lib.aggregate">UniqValueCount</A></B></CODE>
171
172<BR>
173&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;This class implements a value aggregator that dedupes a sequence of objects.</TD>
174</TR>
175<TR BGCOLOR="white" CLASS="TableRowColor">
176<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
177<CODE>&nbsp;class</CODE></FONT></TD>
178<TD><CODE><B><A HREF="../../../../../../../org/apache/hadoop/mapred/lib/aggregate/ValueHistogram.html" title="class in org.apache.hadoop.mapred.lib.aggregate">ValueHistogram</A></B></CODE>
179
180<BR>
181&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;This class implements a value aggregator that computes the
182 histogram of a sequence of strings.</TD>
183</TR>
184</TABLE>
185&nbsp;
186<P>
187
188<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
189<TR BGCOLOR="#CCCCFF" CLASS="TableSubHeadingColor">
190<TH ALIGN="left" COLSPAN="2">Methods in <A HREF="../../../../../../../org/apache/hadoop/mapred/lib/aggregate/package-summary.html">org.apache.hadoop.mapred.lib.aggregate</A> that return <A HREF="../../../../../../../org/apache/hadoop/mapred/lib/aggregate/ValueAggregator.html" title="interface in org.apache.hadoop.mapred.lib.aggregate">ValueAggregator</A></FONT></TH>
191</TR>
192<TR BGCOLOR="white" CLASS="TableRowColor">
193<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
194<CODE>static&nbsp;<A HREF="../../../../../../../org/apache/hadoop/mapred/lib/aggregate/ValueAggregator.html" title="interface in org.apache.hadoop.mapred.lib.aggregate">ValueAggregator</A></CODE></FONT></TD>
195<TD><CODE><B>ValueAggregatorBaseDescriptor.</B><B><A HREF="../../../../../../../org/apache/hadoop/mapred/lib/aggregate/ValueAggregatorBaseDescriptor.html#generateValueAggregator(java.lang.String)">generateValueAggregator</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;type)</CODE>
196
197<BR>
198&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
199</TR>
200</TABLE>
201&nbsp;
202<P>
203<HR>
204
205
206<!-- ======= START OF BOTTOM NAVBAR ====== -->
207<A NAME="navbar_bottom"><!-- --></A>
208<A HREF="#skip-navbar_bottom" title="Skip navigation links"></A>
209<TABLE BORDER="0" WIDTH="100%" CELLPADDING="1" CELLSPACING="0" SUMMARY="">
210<TR>
211<TD COLSPAN=2 BGCOLOR="#EEEEFF" CLASS="NavBarCell1">
212<A NAME="navbar_bottom_firstrow"><!-- --></A>
213<TABLE BORDER="0" CELLPADDING="0" CELLSPACING="3" SUMMARY="">
214  <TR ALIGN="center" VALIGN="top">
215  <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1">    <A HREF="../../../../../../../overview-summary.html"><FONT CLASS="NavBarFont1"><B>Overview</B></FONT></A>&nbsp;</TD>
216  <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1">    <A HREF="../package-summary.html"><FONT CLASS="NavBarFont1"><B>Package</B></FONT></A>&nbsp;</TD>
217  <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1">    <A HREF="../../../../../../../org/apache/hadoop/mapred/lib/aggregate/ValueAggregator.html" title="interface in org.apache.hadoop.mapred.lib.aggregate"><FONT CLASS="NavBarFont1"><B>Class</B></FONT></A>&nbsp;</TD>
218  <TD BGCOLOR="#FFFFFF" CLASS="NavBarCell1Rev"> &nbsp;<FONT CLASS="NavBarFont1Rev"><B>Use</B></FONT>&nbsp;</TD>
219  <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1">    <A HREF="../package-tree.html"><FONT CLASS="NavBarFont1"><B>Tree</B></FONT></A>&nbsp;</TD>
220  <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1">    <A HREF="../../../../../../../deprecated-list.html"><FONT CLASS="NavBarFont1"><B>Deprecated</B></FONT></A>&nbsp;</TD>
221  <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1">    <A HREF="../../../../../../../index-all.html"><FONT CLASS="NavBarFont1"><B>Index</B></FONT></A>&nbsp;</TD>
222  <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1">    <A HREF="../../../../../../../help-doc.html"><FONT CLASS="NavBarFont1"><B>Help</B></FONT></A>&nbsp;</TD>
223  </TR>
224</TABLE>
225</TD>
226<TD ALIGN="right" VALIGN="top" ROWSPAN=3><EM>
227</EM>
228</TD>
229</TR>
230
231<TR>
232<TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2">
233&nbsp;PREV&nbsp;
234&nbsp;NEXT</FONT></TD>
235<TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2">
236  <A HREF="../../../../../../../index.html?org/apache/hadoop/mapred/lib/aggregate//class-useValueAggregator.html" target="_top"><B>FRAMES</B></A>  &nbsp;
237&nbsp;<A HREF="ValueAggregator.html" target="_top"><B>NO FRAMES</B></A>  &nbsp;
238&nbsp;<SCRIPT type="text/javascript">
239  <!--
240  if(window==top) {
241    document.writeln('<A HREF="../../../../../../../allclasses-noframe.html"><B>All Classes</B></A>');
242  }
243  //-->
244</SCRIPT>
245<NOSCRIPT>
246  <A HREF="../../../../../../../allclasses-noframe.html"><B>All Classes</B></A>
247</NOSCRIPT>
248
249
250</FONT></TD>
251</TR>
252</TABLE>
253<A NAME="skip-navbar_bottom"></A>
254<!-- ======== END OF BOTTOM NAVBAR ======= -->
255
256<HR>
257Copyright &copy; 2009 The Apache Software Foundation
258</BODY>
259</HTML>
Note: See TracBrowser for help on using the repository browser.