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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 17:20:13 EDT 2008 --><TITLE>RolapStar (Mondrian OLAP Server, version 3.0.4.11371)</TITLE><META NAME="keywords" CONTENT="mondrian.rolap.RolapStar class"><LINK REL ="stylesheet" TYPE="text/css" HREF="../../stylesheet.css" TITLE="Style"><SCRIPT type="text/javascript">function windowTitle(){ parent.document.title="RolapStar (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/rolap/RolapSchemaReaderTest.html" title="class in mondrian.rolap"><B>PREV CLASS</B></A> <A HREF="../../mondrian/rolap/RolapStar.AliasReplacer.html" title="class in mondrian.rolap"><B>NEXT CLASS</B></A></FONT></TD><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../index.html?mondrian/rolap/RolapStar.html" target="_top"><B>FRAMES</B></A> <A HREF="RolapStar.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.rolap</FONT><BR>Class RolapStar</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 "><B>mondrian.rolap.RolapStar</B></PRE><HR><DL><DT><PRE>public class <B>RolapStar</B><DT>extends <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A></DL></PRE><P>A <code>RolapStar</code> is a star schema. It is the means to read cell values. <p>todo: put this in package which specicializes in relational aggregation, doesn't know anything about hierarchies etc.<P><P><DL><DT><B>Since:</B></DT> <DD>12 August, 2001</DD><DT><B>Version:</B></DT> <DD>$Id: //open/mondrian-release/3.0/src/main/mondrian/rolap/RolapStar.java#4 $</DD><DT><B>Author:</B></DT> <DD>jhyde</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>static class</CODE></FONT></TD><TD><CODE><B><A HREF="../../mondrian/rolap/RolapStar.AliasReplacer.html" title="class in mondrian.rolap">RolapStar.AliasReplacer</A></B></CODE><BR> Creates a copy of an expression, everywhere replacing one alias with another.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static class</CODE></FONT></TD><TD><CODE><B><A HREF="../../mondrian/rolap/RolapStar.Column.html" title="class in mondrian.rolap">RolapStar.Column</A></B></CODE><BR> A column in a star schema.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static class</CODE></FONT></TD><TD><CODE><B><A HREF="../../mondrian/rolap/RolapStar.ColumnComparator.html" title="class in mondrian.rolap">RolapStar.ColumnComparator</A></B></CODE><BR> Comparator to compare columns based on their name</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static class</CODE></FONT></TD><TD><CODE><B><A HREF="../../mondrian/rolap/RolapStar.Condition.html" title="class in mondrian.rolap">RolapStar.Condition</A></B></CODE><BR> </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static class</CODE></FONT></TD><TD><CODE><B><A HREF="../../mondrian/rolap/RolapStar.Measure.html" title="class in mondrian.rolap">RolapStar.Measure</A></B></CODE><BR> Definition of a measure in a star schema.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static class</CODE></FONT></TD><TD><CODE><B><A HREF="../../mondrian/rolap/RolapStar.Table.html" title="class in mondrian.rolap">RolapStar.Table</A></B></CODE><BR> Definition of a table in a star schema.</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/rolap/RolapStar.html#RolapStar(mondrian.rolap.RolapSchema, javax.sql.DataSource, mondrian.olap.MondrianDef.Relation)">RolapStar</A></B>(<A HREF="../../mondrian/rolap/RolapSchema.html" title="class in mondrian.rolap">RolapSchema</A> schema, <A HREF="http://java.sun.com/javase/6/docs/api/javax/sql/DataSource.html" title="class or interface in javax.sql">DataSource</A> dataSource, <A HREF="../../mondrian/olap/MondrianDef.Relation.html" title="class in mondrian.olap">MondrianDef.Relation</A> fact)</CODE><BR> Creates a RolapStar.</TD></TR></TABLE> <!-- ========== 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> void</CODE></FONT></TD><TD><CODE><B><A HREF="../../mondrian/rolap/RolapStar.html#addAggStar(mondrian.rolap.aggmatcher.AggStar)">addAggStar</A></B>(<A HREF="../../mondrian/rolap/aggmatcher/AggStar.html" title="class in mondrian.rolap.aggmatcher">AggStar</A> aggStar)</CODE><BR> Adds an <A HREF="../../mondrian/rolap/aggmatcher/AggStar.html" title="class in mondrian.rolap.aggmatcher"><CODE>AggStar</CODE></A> to this star.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> void</CODE></FONT></TD><TD><CODE><B><A HREF="../../mondrian/rolap/RolapStar.html#checkAggregateModifications()">checkAggregateModifications</A></B>()</CODE><BR> Checks whether an aggregation has changed since the last the time loaded.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>(package private) void</CODE></FONT></TD><TD><CODE><B><A HREF="../../mondrian/rolap/RolapStar.html#clearAggStarList()">clearAggStarList</A></B>()</CODE><BR> Set the agg star list to empty.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>(package private) void</CODE></FONT></TD><TD><CODE><B><A HREF="../../mondrian/rolap/RolapStar.html#clearCachedAggregations(boolean)">clearCachedAggregations</A></B>(boolean forced)</CODE><BR> Clears the aggregate cache.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static void</CODE></FONT></TD><TD><CODE><B><A HREF="../../mondrian/rolap/RolapStar.html#collectColumns(java.util.Collection, mondrian.rolap.RolapStar.Table, mondrian.olap.MondrianDef.Column)">collectColumns</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/util/Collection.html" title="class or interface in java.util">Collection</A><<A HREF="../../mondrian/rolap/RolapStar.Column.html" title="class in mondrian.rolap">RolapStar.Column</A>> columnList, <A HREF="../../mondrian/rolap/RolapStar.Table.html" title="class in mondrian.rolap">RolapStar.Table</A> table, <A HREF="../../mondrian/olap/MondrianDef.Column.html" title="class in mondrian.olap">MondrianDef.Column</A> joinColumn)</CODE><BR> Collects all columns in this table and its children.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> void</CODE></FONT></TD><TD><CODE><B><A HREF="../../mondrian/rolap/RolapStar.html#flush(mondrian.olap.CacheControl, mondrian.olap.CacheControl.CellRegion)">flush</A></B>(<A HREF="../../mondrian/olap/CacheControl.html" title="interface in mondrian.olap">CacheControl</A> cacheControl, <A HREF="../../mondrian/olap/CacheControl.CellRegion.html" title="interface in mondrian.olap">CacheControl.CellRegion</A> region)</CODE><BR> Flushes the contents of a given region of cells from this star.</TD></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/String.html" title="class or interface in java.lang">String</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../mondrian/rolap/RolapStar.html#generateSql(java.util.List, java.util.List)">generateSql</A></B>(<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/rolap/RolapStar.Column.html" title="class in mondrian.rolap">RolapStar.Column</A>> columnList, <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="http://java.sun.com/javase/6/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A>> columnNameList)</CODE><BR> Generates a SQL statement to read all instances of the given attributes.</TD></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/util/List.html" title="class or interface in java.util">List</A><<A HREF="../../mondrian/rolap/aggmatcher/AggStar.html" title="class in mondrian.rolap.aggmatcher">AggStar</A>></CODE></FONT></TD>⌨️ 快捷键说明
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