aggregator.html
来自「基于mondrian 开源框架进行OLAP多维分析」· HTML 代码 · 共 247 行
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><!--NewPage--><HTML><HEAD><!-- Generated by javadoc (build 1.5.0_15) on Thu Jul 31 17:20:06 EDT 2008 --><TITLE>Aggregator (Mondrian OLAP Server, version 3.0.4.11371)</TITLE><META NAME="keywords" CONTENT="mondrian.olap.Aggregator interface"><LINK REL ="stylesheet" TYPE="text/css" HREF="../../stylesheet.css" TITLE="Style"><SCRIPT type="text/javascript">function windowTitle(){ parent.document.title="Aggregator (Mondrian OLAP Server, version 3.0.4.11371)";}</SCRIPT><NOSCRIPT></NOSCRIPT></HEAD><BODY BGCOLOR="white" onload="windowTitle();"><!-- ========= START OF TOP NAVBAR ======= --><A NAME="navbar_top"><!-- --></A><A HREF="#skip-navbar_top" title="Skip navigation links"></A><TABLE BORDER="0" WIDTH="100%" CELLPADDING="1" CELLSPACING="0" SUMMARY=""><TR><TD COLSPAN=2 BGCOLOR="#EEEEFF" CLASS="NavBarCell1"><A NAME="navbar_top_firstrow"><!-- --></A><TABLE BORDER="0" CELLPADDING="0" 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VALIGN="top" ROWSPAN=3><EM></EM></TD></TR><TR><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../mondrian/olap/Access.html" title="enum in mondrian.olap"><B>PREV CLASS</B></A> <A HREF="../../mondrian/olap/Axis.html" title="interface in mondrian.olap"><B>NEXT CLASS</B></A></FONT></TD><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../index.html?mondrian/olap/Aggregator.html" target="_top"><B>FRAMES</B></A> <A HREF="Aggregator.html" target="_top"><B>NO FRAMES</B></A> <SCRIPT type="text/javascript"> <!-- if(window==top) { document.writeln('<A HREF="../../allclasses-noframe.html"><B>All Classes</B></A>'); } //--></SCRIPT><NOSCRIPT> <A HREF="../../allclasses-noframe.html"><B>All Classes</B></A></NOSCRIPT></FONT></TD></TR><TR><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2"> SUMMARY: NESTED | FIELD | CONSTR | <A HREF="#method_summary">METHOD</A></FONT></TD><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2">DETAIL: FIELD | CONSTR | <A HREF="#method_detail">METHOD</A></FONT></TD></TR></TABLE><A NAME="skip-navbar_top"></A><!-- ========= END OF TOP NAVBAR ========= --><HR><!-- ======== START OF CLASS DATA ======== --><H2><FONT SIZE="-1">mondrian.olap</FONT><BR>Interface Aggregator</H2><DL><DT><B>All Known Implementing Classes:</B> <DD><A HREF="../../mondrian/rolap/RolapAggregator.html" title="class in mondrian.rolap">RolapAggregator</A>, <A HREF="../../mondrian/rolap/RolapAggregator.AvgFromAvg.html" title="class in mondrian.rolap">RolapAggregator.AvgFromAvg</A>, <A HREF="../../mondrian/rolap/RolapAggregator.AvgFromSum.html" title="class in mondrian.rolap">RolapAggregator.AvgFromSum</A>, <A HREF="../../mondrian/rolap/RolapAggregator.BaseAggor.html" title="class in mondrian.rolap">RolapAggregator.BaseAggor</A>, <A HREF="../../mondrian/rolap/RolapAggregator.SumFromAvg.html" title="class in mondrian.rolap">RolapAggregator.SumFromAvg</A></DD></DL><HR><DL><DT><PRE>public interface <B>Aggregator</B></DL></PRE><P>Describes an aggregation operator, such as "sum" or "count".<P><P><DL><DT><B>Since:</B></DT> <DD>Jul 9, 2003$</DD><DT><B>Version:</B></DT> <DD>$Id: //open/mondrian-release/3.0/src/main/mondrian/olap/Aggregator.java#2 $</DD><DT><B>Author:</B></DT> <DD>jhyde$</DD><DT><B>See Also:</B><DD><A HREF="../../mondrian/olap/FunDef.html" title="interface in mondrian.olap"><CODE>FunDef</CODE></A>, <A HREF="../../mondrian/olap/Evaluator.html" title="interface in mondrian.olap"><CODE>Evaluator</CODE></A></DL><HR><P><!-- ========== METHOD SUMMARY =========== --><A NAME="method_summary"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"><B>Method Summary</B></FONT></TH></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../mondrian/olap/Aggregator.html#aggregate(mondrian.olap.Evaluator, java.util.List, mondrian.calc.Calc)">aggregate</A></B>(<A HREF="../../mondrian/olap/Evaluator.html" title="interface in mondrian.olap">Evaluator</A> evaluator, <A HREF="http://java.sun.com/javase/6/docs/api/java/util/List.html" title="class or interface in java.util">List</A> members, <A HREF="../../mondrian/calc/Calc.html" title="interface in mondrian.calc">Calc</A> calc)</CODE><BR> Applies this aggregator to an expression over a set of members and returns the result.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../mondrian/olap/Aggregator.html" title="interface in mondrian.olap">Aggregator</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../mondrian/olap/Aggregator.html#getRollup()">getRollup</A></B>()</CODE><BR> Returns the aggregator used to combine sub-totals into a grand-total.</TD></TR></TABLE> <P><!-- ============ METHOD DETAIL ========== --><A NAME="method_detail"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2"><B>Method Detail</B></FONT></TH></TR></TABLE><A NAME="getRollup()"><!-- --></A><H3>getRollup</H3><PRE><A HREF="../../mondrian/olap/Aggregator.html" title="interface in mondrian.olap">Aggregator</A> <B>getRollup</B>()</PRE><DL><DD>Returns the aggregator used to combine sub-totals into a grand-total.<P><DD><DL></DL></DD></DL><HR><A NAME="aggregate(mondrian.olap.Evaluator, java.util.List, mondrian.calc.Calc)"><!-- --></A><H3>aggregate</H3><PRE><A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A> <B>aggregate</B>(<A HREF="../../mondrian/olap/Evaluator.html" title="interface in mondrian.olap">Evaluator</A> evaluator, <A HREF="http://java.sun.com/javase/6/docs/api/java/util/List.html" title="class or interface in java.util">List</A> members, <A HREF="../../mondrian/calc/Calc.html" title="interface in mondrian.calc">Calc</A> calc)</PRE><DL><DD>Applies this aggregator to an expression over a set of members and returns the result.<P><DD><DL><DT><B>Parameters:</B><DD><CODE>evaluator</CODE> - Evaluation context<DD><CODE>members</CODE> - List of members, not null<DD><CODE>calc</CODE> - Expression to evaluate</DL></DD></DL><!-- ========= END OF CLASS DATA ========= --><HR><!-- ======= START OF BOTTOM NAVBAR ====== --><A NAME="navbar_bottom"><!-- --></A><A HREF="#skip-navbar_bottom" title="Skip navigation links"></A><TABLE BORDER="0" WIDTH="100%" CELLPADDING="1" CELLSPACING="0" SUMMARY=""><TR><TD COLSPAN=2 BGCOLOR="#EEEEFF" CLASS="NavBarCell1"><A NAME="navbar_bottom_firstrow"><!-- --></A><TABLE BORDER="0" CELLPADDING="0" CELLSPACING="3" SUMMARY=""> <TR ALIGN="center" VALIGN="top"> <TD BGCOLOR="#EEEEFF" 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