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| 59 | <A HREF="../../../../../../org/apache/hadoop/mapred/lib/aggregate/LongValueMin.html" title="class in org.apache.hadoop.mapred.lib.aggregate"><B>NEXT CLASS</B></A></FONT></TD> |
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| 91 | org.apache.hadoop.mapred.lib.aggregate</FONT> |
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| 92 | <BR> |
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| 93 | Class LongValueMax</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 "><B>org.apache.hadoop.mapred.lib.aggregate.LongValueMax</B> |
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| 97 | </PRE> |
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| 98 | <DL> |
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| 99 | <DT><B>All Implemented Interfaces:</B> <DD><A HREF="../../../../../../org/apache/hadoop/mapred/lib/aggregate/ValueAggregator.html" title="interface in org.apache.hadoop.mapred.lib.aggregate">ValueAggregator</A></DD> |
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| 100 | </DL> |
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| 101 | <HR> |
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| 102 | <DL> |
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| 103 | <DT><PRE>public class <B>LongValueMax</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/mapred/lib/aggregate/ValueAggregator.html" title="interface in org.apache.hadoop.mapred.lib.aggregate">ValueAggregator</A></DL> |
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| 104 | </PRE> |
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| 105 | |
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| 106 | <P> |
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| 107 | This class implements a value aggregator that maintain the maximum of |
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| 108 | a sequence of long values. |
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| 109 | <P> |
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| 110 | |
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| 111 | <P> |
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| 112 | <HR> |
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| 114 | <P> |
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| 116 | <!-- ======== CONSTRUCTOR SUMMARY ======== --> |
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| 122 | <B>Constructor Summary</B></FONT></TH> |
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| 123 | </TR> |
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| 124 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 125 | <TD><CODE><B><A HREF="../../../../../../org/apache/hadoop/mapred/lib/aggregate/LongValueMax.html#LongValueMax()">LongValueMax</A></B>()</CODE> |
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| 126 | |
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| 127 | <BR> |
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| 128 | the default constructor</TD> |
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| 129 | </TR> |
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| 130 | </TABLE> |
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| 131 | |
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| 132 | <!-- ========== METHOD SUMMARY =========== --> |
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| 133 | |
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| 137 | <TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"> |
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| 138 | <B>Method Summary</B></FONT></TH> |
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| 139 | </TR> |
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| 140 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 141 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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| 142 | <CODE> void</CODE></FONT></TD> |
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| 143 | <TD><CODE><B><A HREF="../../../../../../org/apache/hadoop/mapred/lib/aggregate/LongValueMax.html#addNextValue(long)">addNextValue</A></B>(long newVal)</CODE> |
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| 144 | |
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| 145 | <BR> |
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| 146 | add a value to the aggregator</TD> |
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| 147 | </TR> |
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| 148 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 149 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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| 150 | <CODE> void</CODE></FONT></TD> |
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| 151 | <TD><CODE><B><A HREF="../../../../../../org/apache/hadoop/mapred/lib/aggregate/LongValueMax.html#addNextValue(java.lang.Object)">addNextValue</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> val)</CODE> |
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| 152 | |
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| 153 | <BR> |
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| 154 | add a value to the aggregator</TD> |
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| 155 | </TR> |
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| 156 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 157 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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| 158 | <CODE> <A HREF="http://java.sun.com/javase/6/docs/api/java/util/ArrayList.html?is-external=true" title="class or interface in java.util">ArrayList</A><<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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| 159 | <TD><CODE><B><A HREF="../../../../../../org/apache/hadoop/mapred/lib/aggregate/LongValueMax.html#getCombinerOutput()">getCombinerOutput</A></B>()</CODE> |
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| 160 | |
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| 161 | <BR> |
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| 162 | </TD> |
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| 163 | </TR> |
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| 164 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 165 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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| 166 | <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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| 167 | <TD><CODE><B><A HREF="../../../../../../org/apache/hadoop/mapred/lib/aggregate/LongValueMax.html#getReport()">getReport</A></B>()</CODE> |
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| 168 | |
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| 169 | <BR> |
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| 170 | </TD> |
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| 171 | </TR> |
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| 172 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 173 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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| 174 | <CODE> long</CODE></FONT></TD> |
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| 175 | <TD><CODE><B><A HREF="../../../../../../org/apache/hadoop/mapred/lib/aggregate/LongValueMax.html#getVal()">getVal</A></B>()</CODE> |
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| 176 | |
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| 177 | <BR> |
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| 178 | </TD> |
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| 179 | </TR> |
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| 180 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 181 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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| 182 | <CODE> void</CODE></FONT></TD> |
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| 183 | <TD><CODE><B><A HREF="../../../../../../org/apache/hadoop/mapred/lib/aggregate/LongValueMax.html#reset()">reset</A></B>()</CODE> |
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| 184 | |
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| 185 | <BR> |
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| 186 | reset the aggregator</TD> |
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| 187 | </TR> |
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| 188 | </TABLE> |
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| 189 | <A NAME="methods_inherited_from_class_java.lang.Object"><!-- --></A> |
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| 190 | <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
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| 191 | <TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor"> |
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| 192 | <TH ALIGN="left"><B>Methods inherited from class java.lang.<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A></B></TH> |
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| 193 | </TR> |
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| 194 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 195 | <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> |
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| 196 | </TR> |
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| 197 | </TABLE> |
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| 198 | |
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| 199 | <P> |
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| 200 | |
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| 201 | <!-- ========= CONSTRUCTOR DETAIL ======== --> |
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| 202 | |
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| 203 | <A NAME="constructor_detail"><!-- --></A> |
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| 204 | <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
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| 205 | <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> |
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| 206 | <TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2"> |
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| 207 | <B>Constructor Detail</B></FONT></TH> |
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| 208 | </TR> |
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| 209 | </TABLE> |
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| 210 | |
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| 211 | <A NAME="LongValueMax()"><!-- --></A><H3> |
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| 212 | LongValueMax</H3> |
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| 213 | <PRE> |
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| 214 | public <B>LongValueMax</B>()</PRE> |
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| 215 | <DL> |
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| 216 | <DD>the default constructor |
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| 217 | <P> |
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| 218 | </DL> |
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| 219 | |
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| 220 | <!-- ============ METHOD DETAIL ========== --> |
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| 221 | |
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| 222 | <A NAME="method_detail"><!-- --></A> |
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| 223 | <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
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| 224 | <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> |
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| 225 | <TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2"> |
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| 226 | <B>Method Detail</B></FONT></TH> |
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| 227 | </TR> |
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| 228 | </TABLE> |
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| 229 | |
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| 230 | <A NAME="addNextValue(java.lang.Object)"><!-- --></A><H3> |
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| 231 | addNextValue</H3> |
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| 232 | <PRE> |
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| 233 | public void <B>addNextValue</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> val)</PRE> |
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| 234 | <DL> |
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| 235 | <DD>add a value to the aggregator |
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| 236 | <P> |
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| 237 | <DD><DL> |
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| 238 | <DT><B>Specified by:</B><DD><CODE><A HREF="../../../../../../org/apache/hadoop/mapred/lib/aggregate/ValueAggregator.html#addNextValue(java.lang.Object)">addNextValue</A></CODE> in interface <CODE><A HREF="../../../../../../org/apache/hadoop/mapred/lib/aggregate/ValueAggregator.html" title="interface in org.apache.hadoop.mapred.lib.aggregate">ValueAggregator</A></CODE></DL> |
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| 239 | </DD> |
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| 240 | <DD><DL> |
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| 241 | <DT><B>Parameters:</B><DD><CODE>val</CODE> - an object whose string representation represents a long value.</DL> |
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| 242 | </DD> |
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| 243 | </DL> |
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| 244 | <HR> |
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| 245 | |
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| 246 | <A NAME="addNextValue(long)"><!-- --></A><H3> |
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| 247 | addNextValue</H3> |
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| 248 | <PRE> |
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| 249 | public void <B>addNextValue</B>(long newVal)</PRE> |
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| 250 | <DL> |
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| 251 | <DD>add a value to the aggregator |
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| 252 | <P> |
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| 253 | <DD><DL> |
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| 254 | </DL> |
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| 255 | </DD> |
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| 256 | <DD><DL> |
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| 257 | <DT><B>Parameters:</B><DD><CODE>newVal</CODE> - a long value.</DL> |
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| 258 | </DD> |
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| 259 | </DL> |
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| 260 | <HR> |
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| 261 | |
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| 262 | <A NAME="getVal()"><!-- --></A><H3> |
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| 263 | getVal</H3> |
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| 264 | <PRE> |
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| 265 | public long <B>getVal</B>()</PRE> |
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| 266 | <DL> |
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| 267 | <DD><DL> |
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| 268 | </DL> |
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| 269 | </DD> |
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| 270 | <DD><DL> |
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| 271 | |
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| 272 | <DT><B>Returns:</B><DD>the aggregated value</DL> |
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| 273 | </DD> |
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| 274 | </DL> |
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| 275 | <HR> |
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| 276 | |
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| 277 | <A NAME="getReport()"><!-- --></A><H3> |
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| 278 | getReport</H3> |
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| 279 | <PRE> |
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| 280 | 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>getReport</B>()</PRE> |
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| 281 | <DL> |
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| 282 | <DD><DL> |
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| 283 | <DT><B>Specified by:</B><DD><CODE><A HREF="../../../../../../org/apache/hadoop/mapred/lib/aggregate/ValueAggregator.html#getReport()">getReport</A></CODE> in interface <CODE><A HREF="../../../../../../org/apache/hadoop/mapred/lib/aggregate/ValueAggregator.html" title="interface in org.apache.hadoop.mapred.lib.aggregate">ValueAggregator</A></CODE></DL> |
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| 284 | </DD> |
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| 285 | <DD><DL> |
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| 286 | |
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| 287 | <DT><B>Returns:</B><DD>the string representation of the aggregated value</DL> |
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| 288 | </DD> |
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| 289 | </DL> |
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| 290 | <HR> |
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| 291 | |
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| 292 | <A NAME="reset()"><!-- --></A><H3> |
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| 293 | reset</H3> |
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| 294 | <PRE> |
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| 295 | public void <B>reset</B>()</PRE> |
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| 296 | <DL> |
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| 297 | <DD>reset the aggregator |
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| 298 | <P> |
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| 299 | <DD><DL> |
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| 300 | <DT><B>Specified by:</B><DD><CODE><A HREF="../../../../../../org/apache/hadoop/mapred/lib/aggregate/ValueAggregator.html#reset()">reset</A></CODE> in interface <CODE><A HREF="../../../../../../org/apache/hadoop/mapred/lib/aggregate/ValueAggregator.html" title="interface in org.apache.hadoop.mapred.lib.aggregate">ValueAggregator</A></CODE></DL> |
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| 301 | </DD> |
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| 302 | <DD><DL> |
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| 303 | </DL> |
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| 304 | </DD> |
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| 305 | </DL> |
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| 306 | <HR> |
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| 307 | |
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| 308 | <A NAME="getCombinerOutput()"><!-- --></A><H3> |
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| 309 | getCombinerOutput</H3> |
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| 310 | <PRE> |
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| 311 | public <A HREF="http://java.sun.com/javase/6/docs/api/java/util/ArrayList.html?is-external=true" title="class or interface in java.util">ArrayList</A><<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>getCombinerOutput</B>()</PRE> |
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| 312 | <DL> |
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| 313 | <DD><DL> |
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| 314 | <DT><B>Specified by:</B><DD><CODE><A HREF="../../../../../../org/apache/hadoop/mapred/lib/aggregate/ValueAggregator.html#getCombinerOutput()">getCombinerOutput</A></CODE> in interface <CODE><A HREF="../../../../../../org/apache/hadoop/mapred/lib/aggregate/ValueAggregator.html" title="interface in org.apache.hadoop.mapred.lib.aggregate">ValueAggregator</A></CODE></DL> |
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| 315 | </DD> |
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| 316 | <DD><DL> |
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| 317 | |
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| 318 | <DT><B>Returns:</B><DD>return an array of one element. The element is a string |
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| 319 | representation of the aggregated value. The return value is |
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| 320 | expected to be used by the a combiner.</DL> |
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| 321 | </DD> |
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| 322 | </DL> |
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| 323 | <!-- ========= END OF CLASS DATA ========= --> |
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| 324 | <HR> |
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| 326 | |
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