userdefinedfunction.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 17:20:15 EDT 2008 --><TITLE>UserDefinedFunction (Mondrian OLAP Server, version 3.0.4.11371)</TITLE><META NAME="keywords" CONTENT="mondrian.spi.UserDefinedFunction interface"><LINK REL ="stylesheet" TYPE="text/css" HREF="../../stylesheet.css" TITLE="Style"><SCRIPT type="text/javascript">function windowTitle(){ parent.document.title="UserDefinedFunction (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" 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ALIGN="right" VALIGN="top" ROWSPAN=3><EM></EM></TD></TR><TR><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../mondrian/spi/DynamicSchemaProcessor.html" title="interface in mondrian.spi"><B>PREV CLASS</B></A> <A HREF="../../mondrian/spi/UserDefinedFunction.Argument.html" title="interface in mondrian.spi"><B>NEXT CLASS</B></A></FONT></TD><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../index.html?mondrian/spi/UserDefinedFunction.html" target="_top"><B>FRAMES</B></A> <A HREF="UserDefinedFunction.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 | 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.spi</FONT><BR>Interface UserDefinedFunction</H2><DL><DT><B>All Known Implementing Classes:</B> <DD><A HREF="../../mondrian/test/BasicQueryTest.SleepUdf.html" title="class in mondrian.test">BasicQueryTest.SleepUdf</A>, <A HREF="../../mondrian/udf/CurrentDateMemberExactUdf.html" title="class in mondrian.udf">CurrentDateMemberExactUdf</A>, <A HREF="../../mondrian/udf/CurrentDateMemberUdf.html" title="class in mondrian.udf">CurrentDateMemberUdf</A>, <A HREF="../../mondrian/udf/CurrentDateStringUdf.html" title="class in mondrian.udf">CurrentDateStringUdf</A>, <A HREF="../../mondrian/udf/InUdf.html" title="class in mondrian.udf">InUdf</A>, <A HREF="../../mondrian/udf/InverseNormalUdf.html" title="class in mondrian.udf">InverseNormalUdf</A>, <A HREF="../../mondrian/udf/LastNonEmptyUdf.html" title="class in mondrian.udf">LastNonEmptyUdf</A>, <A HREF="../../mondrian/udf/MatchesUdf.html" title="class in mondrian.udf">MatchesUdf</A>, <A HREF="../../mondrian/udf/NullValueUdf.html" title="class in mondrian.udf">NullValueUdf</A>, <A HREF="../../mondrian/test/UdfTest.AnotherMemberErrorUdf.html" title="class in mondrian.test">UdfTest.AnotherMemberErrorUdf</A>, <A HREF="../../mondrian/test/UdfTest.BadPlusOneUdf.html" title="class in mondrian.test">UdfTest.BadPlusOneUdf</A>, <A HREF="../../mondrian/test/UdfTest.PlusOneUdf.html" title="class in mondrian.test">UdfTest.PlusOneUdf</A>, <A HREF="../../mondrian/test/UdfTest.StringMultUdf.html" title="class in mondrian.test">UdfTest.StringMultUdf</A>, <A HREF="../../mondrian/udf/ValUdf.html" title="class in mondrian.udf">ValUdf</A></DD></DL><HR><DL><DT><PRE>public interface <B>UserDefinedFunction</B></DL></PRE><P>Definition of a user-defined function. <p>The class must have a public, zero-arguments constructor, be on Mondrian's runtime class-path, and be referenced from the schema file: <blockquote><code> <Schema><br/> ....<br/> <UserDefinedFunction name="MyFun" class="com.acme.MyFun"><br/> </Schema></code></blockquote><P><P><DL><DT><B>Version:</B></DT> <DD>$Id: //open/mondrian-release/3.0/src/main/mondrian/spi/UserDefinedFunction.java#2 $</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 interface</CODE></FONT></TD><TD><CODE><B><A HREF="../../mondrian/spi/UserDefinedFunction.Argument.html" title="interface in mondrian.spi">UserDefinedFunction.Argument</A></B></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="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/spi/UserDefinedFunction.html#execute(mondrian.olap.Evaluator, mondrian.spi.UserDefinedFunction.Argument[])">execute</A></B>(<A HREF="../../mondrian/olap/Evaluator.html" title="interface in mondrian.olap">Evaluator</A> evaluator, <A HREF="../../mondrian/spi/UserDefinedFunction.Argument.html" title="interface in mondrian.spi">UserDefinedFunction.Argument</A>[] arguments)</CODE><BR> Applies this function to a set of arguments, and returns a result.</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/spi/UserDefinedFunction.html#getDescription()">getDescription</A></B>()</CODE><BR> Returns a description of the user-defined function.</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/spi/UserDefinedFunction.html#getName()">getName</A></B>()</CODE><BR> Returns the name with which the user-defined function will be used from within MDX expressions.</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/spi/UserDefinedFunction.html#getParameterTypes()">getParameterTypes</A></B>()</CODE><BR> Returns an array of the types of the parameters of this function.</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/spi/UserDefinedFunction.html#getReservedWords()">getReservedWords</A></B>()</CODE><BR> Returns a list of reserved words used by this function.</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>⌨️ 快捷键说明
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