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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 17:20:14 EDT 2008 --><TITLE>ParameterExpr (Mondrian OLAP Server, version 3.0.4.11371)</TITLE><META NAME="keywords" CONTENT="mondrian.mdx.ParameterExpr class"><LINK REL ="stylesheet" TYPE="text/css" HREF="../../stylesheet.css" TITLE="Style"><SCRIPT type="text/javascript">function windowTitle(){ parent.document.title="ParameterExpr (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/mdx/NamedSetExpr.html" title="class in mondrian.mdx"><B>PREV CLASS</B></A> <A HREF="../../mondrian/mdx/QueryPrintWriter.html" title="class in mondrian.mdx"><B>NEXT CLASS</B></A></FONT></TD><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../index.html?mondrian/mdx/ParameterExpr.html" target="_top"><B>FRAMES</B></A> <A HREF="ParameterExpr.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 | <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.mdx</FONT><BR>Class ParameterExpr</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/olap/QueryPart.html" title="class in mondrian.olap">mondrian.olap.QueryPart</A> <IMG SRC="../../resources/inherit.gif" ALT="extended by "><A HREF="../../mondrian/olap/ExpBase.html" title="class in mondrian.olap">mondrian.olap.ExpBase</A> <IMG SRC="../../resources/inherit.gif" ALT="extended by "><B>mondrian.mdx.ParameterExpr</B></PRE><DL><DT><B>All Implemented Interfaces:</B> <DD><A HREF="../../mondrian/olap/Exp.html" title="interface in mondrian.olap">Exp</A>, <A HREF="../../mondrian/olap/Walkable.html" title="interface in mondrian.olap">Walkable</A></DD></DL><HR><DL><DT><PRE>public class <B>ParameterExpr</B><DT>extends <A HREF="../../mondrian/olap/ExpBase.html" title="class in mondrian.olap">ExpBase</A></DL></PRE><P>MDX expression which is a usage of a <A HREF="../../mondrian/olap/Parameter.html" title="interface in mondrian.olap"><CODE>Parameter</CODE></A>.<P><P><DL><DT><B>Version:</B></DT> <DD>$Id: //open/mondrian-release/3.0/src/main/mondrian/mdx/ParameterExpr.java#2 $</DD><DT><B>Author:</B></DT> <DD>jhyde</DD></DL><HR><P><!-- ======== 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/mdx/ParameterExpr.html#ParameterExpr(mondrian.olap.Parameter)">ParameterExpr</A></B>(<A HREF="../../mondrian/olap/Parameter.html" title="interface in mondrian.olap">Parameter</A> parameter)</CODE><BR> </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> <A HREF="../../mondrian/calc/Calc.html" title="interface in mondrian.calc">Calc</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../mondrian/mdx/ParameterExpr.html#accept(mondrian.calc.ExpCompiler)">accept</A></B>(<A HREF="../../mondrian/calc/ExpCompiler.html" title="interface in mondrian.calc">ExpCompiler</A> compiler)</CODE><BR> Converts this expression into an a tree of expressions which can be efficiently evaluated.</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/Object.html" title="class or interface in java.lang">Object</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../mondrian/mdx/ParameterExpr.html#accept(mondrian.mdx.MdxVisitor)">accept</A></B>(<A HREF="../../mondrian/mdx/MdxVisitor.html" title="interface in mondrian.mdx">MdxVisitor</A> visitor)</CODE><BR> Accepts a visitor to this Exp.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../mondrian/olap/Exp.html" title="interface in mondrian.olap">Exp</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../mondrian/mdx/ParameterExpr.html#accept(mondrian.olap.Validator)">accept</A></B>(<A HREF="../../mondrian/olap/Validator.html" title="interface in mondrian.olap">Validator</A> validator)</CODE><BR> Validates this expression.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../mondrian/mdx/ParameterExpr.html" title="class in mondrian.mdx">ParameterExpr</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../mondrian/mdx/ParameterExpr.html#clone()">clone</A></B>()</CODE><BR> </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> boolean</CODE></FONT></TD><TD><CODE><B><A HREF="../../mondrian/mdx/ParameterExpr.html#equals(java.lang.Object)">equals</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A> other)</CODE><BR> Returns whether this parameter is equal to another, based upon name, type and value</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> int</CODE></FONT></TD><TD><CODE><B><A HREF="../../mondrian/mdx/ParameterExpr.html#getCategory()">getCategory</A></B>()</CODE><BR> Returns the <A HREF="../../mondrian/olap/Category.html" title="class in mondrian.olap"><CODE>Category</CODE></A> of the expression.</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/Object.html" title="class or interface in java.lang">Object</A>[]</CODE></FONT></TD><TD><CODE><B><A HREF="../../mondrian/mdx/ParameterExpr.html#getChildren()">getChildren</A></B>()</CODE><BR> Returns an array of the object's children.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../mondrian/olap/Parameter.html" title="interface in mondrian.olap">Parameter</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../mondrian/mdx/ParameterExpr.html#getParameter()">getParameter</A></B>()</CODE><BR> Returns the parameter used by this expression.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../mondrian/olap/type/Type.html" title="interface in mondrian.olap.type">Type</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../mondrian/mdx/ParameterExpr.html#getType()">getType</A></B>()</CODE><BR> Returns the type of this expression.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> int</CODE></FONT></TD><TD><CODE><B><A HREF="../../mondrian/mdx/ParameterExpr.html#hashCode()">hashCode</A></B>()</CODE><BR> </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> boolean</CODE></FONT></TD><TD><CODE><B><A HREF="../../mondrian/mdx/ParameterExpr.html#isModifiable()">isModifiable</A></B>()</CODE><BR> Returns whether the parameter can be modified.</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/mdx/ParameterExpr.html#unparse(java.io.PrintWriter)">unparse</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/io/PrintWriter.html" title="class or interface in java.io">PrintWriter</A> pw)</CODE><BR> Unparses the definition of this Parameter.</TD></TR></TABLE> <A NAME="methods_inherited_from_class_mondrian.olap.ExpBase"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor"><TH ALIGN="left"><B>Methods inherited from class mondrian.olap.<A HREF="../../mondrian/olap/ExpBase.html" title="class in mondrian.olap">ExpBase</A></B></TH></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><A HREF="../../mondrian/olap/ExpBase.html#cloneArray(mondrian.olap.Exp[])">cloneArray</A>, <A HREF="../../mondrian/olap/ExpBase.html#getTypes(mondrian.olap.Exp[])">getTypes</A>, <A HREF="../../mondrian/olap/ExpBase.html#unparseList(java.io.PrintWriter, mondrian.olap.Exp[], java.lang.String, java.lang.String, java.lang.String)">unparseList</A></CODE></TD></TR></TABLE> <A NAME="methods_inherited_from_class_java.lang.Object"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor"><TH ALIGN="left"><B>Methods inherited from class java.lang.<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A></B></TH></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html#finalize()" title="class or interface in java.lang">finalize</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html#getClass()" title="class or interface in java.lang">getClass</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html#notify()" title="class or interface in java.lang">notify</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html#notifyAll()" title="class or interface in java.lang">notifyAll</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html#toString()" title="class or interface in java.lang">toString</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html#wait()" title="class or interface in java.lang">wait</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html#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#wait(long, int)" title="class or interface in java.lang">wait</A></CODE></TD></TR></TABLE> <P><!-- ========= CONSTRUCTOR DETAIL ======== --><A NAME="constructor_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>Constructor 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