resultstylecompiler.html
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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 17:20:32 EDT 2008 --><TITLE>ResultStyleCompiler (Mondrian OLAP Server, version 3.0.4.11371)</TITLE><META NAME="keywords" CONTENT="mondrian.olap.fun.ResultStyleCompiler class"><LINK REL ="stylesheet" TYPE="text/css" HREF="../../../stylesheet.css" TITLE="Style"><SCRIPT type="text/javascript">function windowTitle(){ parent.document.title="ResultStyleCompiler (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" CELLSPACING="3" SUMMARY=""> <TR ALIGN="center" VALIGN="top"> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../overview-summary.html"><FONT CLASS="NavBarFont1"><B>Overview</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-summary.html"><FONT CLASS="NavBarFont1"><B>Package</B></FONT></A> </TD> <TD BGCOLOR="#FFFFFF" CLASS="NavBarCell1Rev"> <FONT CLASS="NavBarFont1Rev"><B>Class</B></FONT> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-tree.html"><FONT CLASS="NavBarFont1"><B>Tree</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../deprecated-list.html"><FONT CLASS="NavBarFont1"><B>Deprecated</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../index-all.html"><FONT CLASS="NavBarFont1"><B>Index</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../help-doc.html"><FONT CLASS="NavBarFont1"><B>Help</B></FONT></A> </TD> </TR></TABLE></TD><TD ALIGN="right" VALIGN="top" ROWSPAN=3><EM></EM></TD></TR><TR><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../../mondrian/olap/fun/ResolverBase.html" title="class in mondrian.olap.fun"><B>PREV CLASS</B></A> <A HREF="../../../mondrian/olap/fun/ResultStyleCompiler.MultiCalc.html" title="class in mondrian.olap.fun"><B>NEXT CLASS</B></A></FONT></TD><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../../index.html?mondrian/olap/fun/ResultStyleCompiler.html" target="_top"><B>FRAMES</B></A> <A HREF="ResultStyleCompiler.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: <A HREF="#nested_class_summary">NESTED</A> | FIELD | <A HREF="#constructor_summary">CONSTR</A> | <A HREF="#method_summary">METHOD</A></FONT></TD><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2">DETAIL: FIELD | <A HREF="#constructor_detail">CONSTR</A> | <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.fun</FONT><BR>Class ResultStyleCompiler</H2><PRE><A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html" title="class or interface in java.lang">java.lang.Object</A> <IMG SRC="../../../resources/inherit.gif" ALT="extended by "><A HREF="../../../mondrian/calc/impl/DelegatingExpCompiler.html" title="class in mondrian.calc.impl">mondrian.calc.impl.DelegatingExpCompiler</A> <IMG SRC="../../../resources/inherit.gif" ALT="extended by "><B>mondrian.olap.fun.ResultStyleCompiler</B></PRE><DL><DT><B>All Implemented Interfaces:</B> <DD><A HREF="../../../mondrian/calc/ExpCompiler.html" title="interface in mondrian.calc">ExpCompiler</A></DD></DL><HR><DL><DT><PRE>public class <B>ResultStyleCompiler</B><DT>extends <A HREF="../../../mondrian/calc/impl/DelegatingExpCompiler.html" title="class in mondrian.calc.impl">DelegatingExpCompiler</A></DL></PRE><P>The <code>ResultStyleCompiler</code> can be used to assure that the use of the container ResultStyle: ITERABLE, LIST and MUTABLE_LIST; can be requested by any Calc. This ExpCompiler injects into the Exp hierarchy a special Calc, the MultiCalc, that evaluates its three child Calc's (one for ITERABLE, LIST and MUTABLE_LIST) and compares the lists returned to make sure that they are the same. This comparison can only be done when the Member evaluation stage of query evaluation is begin done the last time. [Think about it - how can you tell when the evaluation is happening for the last time.] Evaluation is called from the RolapResult's constructor calling the method executeAxis. This happens one or more times in the while-loop. These evaluations may not be complete; you can not necessarily compare results. Then, evaluation occurs just below the while-loop, again calling executeAxis. In this case the evaluation is complete. The trick is to llok a the stack and when one changes the line number from which one is being called, then one knows one is being called by the second executeAxis call in the RolapResult constructor.<P><P><DL><DT><B>Since:</B></DT> <DD>Feb 10 2007</DD><DT><B>Version:</B></DT> <DD>$Id: //open/mondrian-release/3.0/testsrc/main/mondrian/olap/fun/ResultStyleCompiler.java#2 $</DD><DT><B>Author:</B></DT> <DD>Richard M. Emberson</DD></DL><HR><P><!-- ======== NESTED CLASS SUMMARY ======== --><A NAME="nested_class_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>Nested Class Summary</B></FONT></TH></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>(package private) static class</CODE></FONT></TD><TD><CODE><B><A HREF="../../../mondrian/olap/fun/ResultStyleCompiler.MultiCalc.html" title="class in mondrian.olap.fun">ResultStyleCompiler.MultiCalc</A></B></CODE><BR> Calc with three child Calcs, one for ITERABLE, LIST and MUTABLE_LIST, which are evaluated during the normal evaluation process.</TD></TR></TABLE> <A NAME="nested_classes_inherited_from_class_mondrian.calc.ExpCompiler"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor"><TH ALIGN="left"><B>Nested classes/interfaces inherited from interface mondrian.calc.<A HREF="../../../mondrian/calc/ExpCompiler.html" title="interface in mondrian.calc">ExpCompiler</A></B></TH></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><A HREF="../../../mondrian/calc/ExpCompiler.Factory.html" title="class in mondrian.calc">ExpCompiler.Factory</A></CODE></TD></TR></TABLE> <!-- ======== CONSTRUCTOR SUMMARY ======== --><A NAME="constructor_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>Constructor Summary</B></FONT></TH></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><B><A HREF="../../../mondrian/olap/fun/ResultStyleCompiler.html#ResultStyleCompiler(mondrian.olap.Evaluator, mondrian.olap.Validator, java.util.List)">ResultStyleCompiler</A></B>(<A HREF="../../../mondrian/olap/Evaluator.html" title="interface in mondrian.olap">Evaluator</A> evaluator, <A HREF="../../../mondrian/olap/Validator.html" title="interface in mondrian.olap">Validator</A> validator, <A HREF="http://java.sun.com/javase/6/docs/api/java/util/List.html" title="class or interface in java.util">List</A><<A HREF="../../../mondrian/calc/ResultStyle.html" title="enum in mondrian.calc">ResultStyle</A>> resultStyles)</CODE><BR> Constructor which uses the ExpCompiler.Factory to get the default ExpCompiler as an instance variable - ResultStyleCompiler is a wrapper.</TD></TR></TABLE> <!-- ========== METHOD SUMMARY =========== --><A NAME="method_summary"><!-- --></A>⌨️ 快捷键说明
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