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ValueAggregatorJobBase (Apache Hadoop Main 2.0.0-alpha API)
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org.apache.hadoop.mapreduce.lib.aggregate</FONT>
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Class ValueAggregatorJobBase&lt;K1 extends <A HREF="../../../../../../org/apache/hadoop/io/WritableComparable.html" title="interface in org.apache.hadoop.io">WritableComparable</A>&lt;?&gt;,V1 extends <A HREF="../../../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</A>&gt;</H2>
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  <IMG SRC="../../../../../../resources/inherit.gif" ALT="extended by "><B>org.apache.hadoop.mapreduce.lib.aggregate.ValueAggregatorJobBase&lt;K1,V1&gt;</B>
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<DT><PRE><FONT SIZE="-1">@InterfaceAudience.Public
@InterfaceStability.Stable
</FONT>public class <A HREF="../../../../../../src-html/org/apache/hadoop/mapreduce/lib/aggregate/ValueAggregatorJobBase.html#line.35"><B>ValueAggregatorJobBase&lt;K1 extends <A HREF="../../../../../../org/apache/hadoop/io/WritableComparable.html" title="interface in org.apache.hadoop.io">WritableComparable</A>&lt;?&gt;,V1 extends <A HREF="../../../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</A>&gt;</B></A><DT>extends <A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A></DL>
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This abstract class implements some common functionalities of the
 the generic mapper, reducer and combiner classes of Aggregate.
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<CODE>protected static&nbsp;<A HREF="http://download.oracle.com/javase/6/docs/api/java/util/ArrayList.html?is-external=true" title="class or interface in java.util">ArrayList</A>&lt;<A HREF="../../../../../../org/apache/hadoop/mapreduce/lib/aggregate/ValueAggregatorDescriptor.html" title="interface in org.apache.hadoop.mapreduce.lib.aggregate">ValueAggregatorDescriptor</A>&gt;</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../../org/apache/hadoop/mapreduce/lib/aggregate/ValueAggregatorJobBase.html#aggregatorDescriptorList">aggregatorDescriptorList</A></B></CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
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<CODE>static&nbsp;<A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../../org/apache/hadoop/mapreduce/lib/aggregate/ValueAggregatorJobBase.html#DESCRIPTOR">DESCRIPTOR</A></B></CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
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<CODE>static&nbsp;<A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../../org/apache/hadoop/mapreduce/lib/aggregate/ValueAggregatorJobBase.html#DESCRIPTOR_NUM">DESCRIPTOR_NUM</A></B></CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
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<CODE>static&nbsp;<A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../../org/apache/hadoop/mapreduce/lib/aggregate/ValueAggregatorJobBase.html#USER_JAR">USER_JAR</A></B></CODE>

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<TD><CODE><B><A HREF="../../../../../../org/apache/hadoop/mapreduce/lib/aggregate/ValueAggregatorJobBase.html#ValueAggregatorJobBase()">ValueAggregatorJobBase</A></B>()</CODE>

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<CODE>protected static&nbsp;<A HREF="http://download.oracle.com/javase/6/docs/api/java/util/ArrayList.html?is-external=true" title="class or interface in java.util">ArrayList</A>&lt;<A HREF="../../../../../../org/apache/hadoop/mapreduce/lib/aggregate/ValueAggregatorDescriptor.html" title="interface in org.apache.hadoop.mapreduce.lib.aggregate">ValueAggregatorDescriptor</A>&gt;</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../../org/apache/hadoop/mapreduce/lib/aggregate/ValueAggregatorJobBase.html#getAggregatorDescriptors(org.apache.hadoop.conf.Configuration)">getAggregatorDescriptors</A></B>(<A HREF="../../../../../../org/apache/hadoop/conf/Configuration.html" title="class in org.apache.hadoop.conf">Configuration</A>&nbsp;conf)</CODE>

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<CODE>protected static&nbsp;<A HREF="../../../../../../org/apache/hadoop/mapreduce/lib/aggregate/ValueAggregatorDescriptor.html" title="interface in org.apache.hadoop.mapreduce.lib.aggregate">ValueAggregatorDescriptor</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../../org/apache/hadoop/mapreduce/lib/aggregate/ValueAggregatorJobBase.html#getValueAggregatorDescriptor(java.lang.String, org.apache.hadoop.conf.Configuration)">getValueAggregatorDescriptor</A></B>(<A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A>&nbsp;spec,
                                                         <A HREF="../../../../../../org/apache/hadoop/conf/Configuration.html" title="class in org.apache.hadoop.conf">Configuration</A>&nbsp;conf)</CODE>

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<CODE>protected static&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../../org/apache/hadoop/mapreduce/lib/aggregate/ValueAggregatorJobBase.html#logSpec()">logSpec</A></B>()</CODE>

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<CODE>static&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../../org/apache/hadoop/mapreduce/lib/aggregate/ValueAggregatorJobBase.html#setup(org.apache.hadoop.conf.Configuration)">setup</A></B>(<A HREF="../../../../../../org/apache/hadoop/conf/Configuration.html" title="class in org.apache.hadoop.conf">Configuration</A>&nbsp;job)</CODE>

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DESCRIPTOR</H3>
<PRE>
public static final <A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> <A HREF="../../../../../../src-html/org/apache/hadoop/mapreduce/lib/aggregate/ValueAggregatorJobBase.html#line.38"><B>DESCRIPTOR</B></A></PRE>
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<DT><B>See Also:</B><DD><A HREF="../../../../../../constant-values.html#org.apache.hadoop.mapreduce.lib.aggregate.ValueAggregatorJobBase.DESCRIPTOR">Constant Field Values</A></DL>
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<A NAME="DESCRIPTOR_NUM"><!-- --></A><H3>
DESCRIPTOR_NUM</H3>
<PRE>
public static final <A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> <A HREF="../../../../../../src-html/org/apache/hadoop/mapreduce/lib/aggregate/ValueAggregatorJobBase.html#line.39"><B>DESCRIPTOR_NUM</B></A></PRE>
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<DT><B>See Also:</B><DD><A HREF="../../../../../../constant-values.html#org.apache.hadoop.mapreduce.lib.aggregate.ValueAggregatorJobBase.DESCRIPTOR_NUM">Constant Field Values</A></DL>
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<A NAME="USER_JAR"><!-- --></A><H3>
USER_JAR</H3>
<PRE>
public static final <A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> <A HREF="../../../../../../src-html/org/apache/hadoop/mapreduce/lib/aggregate/ValueAggregatorJobBase.html#line.41"><B>USER_JAR</B></A></PRE>
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<DT><B>See Also:</B><DD><A HREF="../../../../../../constant-values.html#org.apache.hadoop.mapreduce.lib.aggregate.ValueAggregatorJobBase.USER_JAR">Constant Field Values</A></DL>
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<A NAME="aggregatorDescriptorList"><!-- --></A><H3>
aggregatorDescriptorList</H3>
<PRE>
protected static <A HREF="http://download.oracle.com/javase/6/docs/api/java/util/ArrayList.html?is-external=true" title="class or interface in java.util">ArrayList</A>&lt;<A HREF="../../../../../../org/apache/hadoop/mapreduce/lib/aggregate/ValueAggregatorDescriptor.html" title="interface in org.apache.hadoop.mapreduce.lib.aggregate">ValueAggregatorDescriptor</A>&gt; <A HREF="../../../../../../src-html/org/apache/hadoop/mapreduce/lib/aggregate/ValueAggregatorJobBase.html#line.43"><B>aggregatorDescriptorList</B></A></PRE>
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</DL>
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<A NAME="ValueAggregatorJobBase()"><!-- --></A><H3>
ValueAggregatorJobBase</H3>
<PRE>
public <A HREF="../../../../../../src-html/org/apache/hadoop/mapreduce/lib/aggregate/ValueAggregatorJobBase.html#line.35"><B>ValueAggregatorJobBase</B></A>()</PRE>
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<A NAME="setup(org.apache.hadoop.conf.Configuration)"><!-- --></A><H3>
setup</H3>
<PRE>
public static void <A HREF="../../../../../../src-html/org/apache/hadoop/mapreduce/lib/aggregate/ValueAggregatorJobBase.html#line.45"><B>setup</B></A>(<A HREF="../../../../../../org/apache/hadoop/conf/Configuration.html" title="class in org.apache.hadoop.conf">Configuration</A>&nbsp;job)</PRE>
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<A NAME="getValueAggregatorDescriptor(java.lang.String, org.apache.hadoop.conf.Configuration)"><!-- --></A><H3>
getValueAggregatorDescriptor</H3>
<PRE>
protected static <A HREF="../../../../../../org/apache/hadoop/mapreduce/lib/aggregate/ValueAggregatorDescriptor.html" title="interface in org.apache.hadoop.mapreduce.lib.aggregate">ValueAggregatorDescriptor</A> <A HREF="../../../../../../src-html/org/apache/hadoop/mapreduce/lib/aggregate/ValueAggregatorJobBase.html#line.50"><B>getValueAggregatorDescriptor</B></A>(<A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A>&nbsp;spec,
                                                                        <A HREF="../../../../../../org/apache/hadoop/conf/Configuration.html" title="class in org.apache.hadoop.conf">Configuration</A>&nbsp;conf)</PRE>
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<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="getAggregatorDescriptors(org.apache.hadoop.conf.Configuration)"><!-- --></A><H3>
getAggregatorDescriptors</H3>
<PRE>
protected static <A HREF="http://download.oracle.com/javase/6/docs/api/java/util/ArrayList.html?is-external=true" title="class or interface in java.util">ArrayList</A>&lt;<A HREF="../../../../../../org/apache/hadoop/mapreduce/lib/aggregate/ValueAggregatorDescriptor.html" title="interface in org.apache.hadoop.mapreduce.lib.aggregate">ValueAggregatorDescriptor</A>&gt; <A HREF="../../../../../../src-html/org/apache/hadoop/mapreduce/lib/aggregate/ValueAggregatorJobBase.html#line.63"><B>getAggregatorDescriptors</B></A>(<A HREF="../../../../../../org/apache/hadoop/conf/Configuration.html" title="class in org.apache.hadoop.conf">Configuration</A>&nbsp;conf)</PRE>
<DL>
<DD><DL>
</DL>
</DD>
</DL>
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<A NAME="logSpec()"><!-- --></A><H3>
logSpec</H3>
<PRE>
protected static void <A HREF="../../../../../../src-html/org/apache/hadoop/mapreduce/lib/aggregate/ValueAggregatorJobBase.html#line.87"><B>logSpec</B></A>()</PRE>
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