udfresolver.html

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public <B>UdfResolver</B>(<A HREF="../../../mondrian/spi/UserDefinedFunction.html" title="interface in mondrian.spi">UserDefinedFunction</A>&nbsp;udf)</PRE>
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<A NAME="getName()"><!-- --></A><H3>
getName</H3>
<PRE>
public <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A> <B>getName</B>()</PRE>
<DL>
<DD><B>Description copied from interface: <CODE><A HREF="../../../mondrian/olap/fun/Resolver.html#getName()">Resolver</A></CODE></B></DD>
<DD>Returns the name of the function or operator.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../mondrian/olap/fun/Resolver.html#getName()">getName</A></CODE> in interface <CODE><A HREF="../../../mondrian/olap/fun/Resolver.html" title="interface in mondrian.olap.fun">Resolver</A></CODE></DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
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<A NAME="getDescription()"><!-- --></A><H3>
getDescription</H3>
<PRE>
public <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A> <B>getDescription</B>()</PRE>
<DL>
<DD><B>Description copied from interface: <CODE><A HREF="../../../mondrian/olap/fun/Resolver.html#getDescription()">Resolver</A></CODE></B></DD>
<DD>Returns the description of the function or operator.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../mondrian/olap/fun/Resolver.html#getDescription()">getDescription</A></CODE> in interface <CODE><A HREF="../../../mondrian/olap/fun/Resolver.html" title="interface in mondrian.olap.fun">Resolver</A></CODE></DL>
</DD>
<DD><DL>
</DL>
</DD>
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<A NAME="getSignature()"><!-- --></A><H3>
getSignature</H3>
<PRE>
public <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A> <B>getSignature</B>()</PRE>
<DL>
<DD><B>Description copied from interface: <CODE><A HREF="../../../mondrian/olap/fun/Resolver.html#getSignature()">Resolver</A></CODE></B></DD>
<DD>Returns a string describing the syntax of this function, for example
 <pre><code>StrToSet(<String Expression>)</code></pre>
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../mondrian/olap/fun/Resolver.html#getSignature()">getSignature</A></CODE> in interface <CODE><A HREF="../../../mondrian/olap/fun/Resolver.html" title="interface in mondrian.olap.fun">Resolver</A></CODE></DL>
</DD>
<DD><DL>
</DL>
</DD>
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<A NAME="getSyntax()"><!-- --></A><H3>
getSyntax</H3>
<PRE>
public <A HREF="../../../mondrian/olap/Syntax.html" title="enum in mondrian.olap">Syntax</A> <B>getSyntax</B>()</PRE>
<DL>
<DD><B>Description copied from interface: <CODE><A HREF="../../../mondrian/olap/fun/Resolver.html#getSyntax()">Resolver</A></CODE></B></DD>
<DD>Returns the syntax with which the function or operator was invoked.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../mondrian/olap/fun/Resolver.html#getSyntax()">getSyntax</A></CODE> in interface <CODE><A HREF="../../../mondrian/olap/fun/Resolver.html" title="interface in mondrian.olap.fun">Resolver</A></CODE></DL>
</DD>
<DD><DL>
</DL>
</DD>
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<A NAME="getFunDef()"><!-- --></A><H3>
getFunDef</H3>
<PRE>
public <A HREF="../../../mondrian/olap/FunDef.html" title="interface in mondrian.olap">FunDef</A> <B>getFunDef</B>()</PRE>
<DL>
<DD><B>Description copied from interface: <CODE><A HREF="../../../mondrian/olap/fun/Resolver.html#getFunDef()">Resolver</A></CODE></B></DD>
<DD>Returns a representative example of the function which this Resolver
 can produce, for purposes of describing the function set. May return
 null if there is no representative function, or if the Resolver has
 a way to describe itself in more detail.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../mondrian/olap/fun/Resolver.html#getFunDef()">getFunDef</A></CODE> in interface <CODE><A HREF="../../../mondrian/olap/fun/Resolver.html" title="interface in mondrian.olap.fun">Resolver</A></CODE></DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="resolve(mondrian.olap.Exp[], mondrian.olap.Validator, int[])"><!-- --></A><H3>
resolve</H3>
<PRE>
public <A HREF="../../../mondrian/olap/FunDef.html" title="interface in mondrian.olap">FunDef</A> <B>resolve</B>(<A HREF="../../../mondrian/olap/Exp.html" title="interface in mondrian.olap">Exp</A>[]&nbsp;args,
                      <A HREF="../../../mondrian/olap/Validator.html" title="interface in mondrian.olap">Validator</A>&nbsp;validator,
                      int[]&nbsp;conversionCount)</PRE>
<DL>
<DD><B>Description copied from interface: <CODE><A HREF="../../../mondrian/olap/fun/Resolver.html#resolve(mondrian.olap.Exp[], mondrian.olap.Validator, int[])">Resolver</A></CODE></B></DD>
<DD>Given a particular set of arguments the function is applied to, returns
 the correct overloaded form of the function.

 <p>The method must increment <code>conversionCount</code> argument every
 time it performs an implicit type-conversion. If there are several
 candidate functions with the same signature, the validator will choose
 the one which used the fewest implicit conversions.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../mondrian/olap/fun/Resolver.html#resolve(mondrian.olap.Exp[], mondrian.olap.Validator, int[])">resolve</A></CODE> in interface <CODE><A HREF="../../../mondrian/olap/fun/Resolver.html" title="interface in mondrian.olap.fun">Resolver</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>args</CODE> - Expressions which this function call is applied to.<DD><CODE>validator</CODE> - Validator<DD><CODE>conversionCount</CODE> - This argument must be an  <code>int</code> array
   with a single element; in effect, it is an in/out parameter. It
   The method increments the count every time it performs a conversion.
<DT><B>Returns:</B><DD>The function definition which matches these arguments, or null
   if no function definition that this resolver knows about matches.</DL>
</DD>
</DL>
<HR>

<A NAME="requiresExpression(int)"><!-- --></A><H3>
requiresExpression</H3>
<PRE>
public boolean <B>requiresExpression</B>(int&nbsp;k)</PRE>
<DL>
<DD><B>Description copied from interface: <CODE><A HREF="../../../mondrian/olap/fun/Resolver.html#requiresExpression(int)">Resolver</A></CODE></B></DD>
<DD>Returns whether a particular argument must be a scalar expression.
 Returns <code>false</code> if any of the variants of this resolver
 allows a set as its <code>k</code>th argument; true otherwise.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../mondrian/olap/fun/Resolver.html#requiresExpression(int)">requiresExpression</A></CODE> in interface <CODE><A HREF="../../../mondrian/olap/fun/Resolver.html" title="interface in mondrian.olap.fun">Resolver</A></CODE></DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="getReservedWords()"><!-- --></A><H3>
getReservedWords</H3>
<PRE>
public <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A>[] <B>getReservedWords</B>()</PRE>
<DL>
<DD><B>Description copied from interface: <CODE><A HREF="../../../mondrian/olap/fun/Resolver.html#getReservedWords()">Resolver</A></CODE></B></DD>
<DD>Returns an array of symbolic constants which can appear as arguments
 to this function.

 <p>For example, the <code>DrilldownMember</code> may take the symbol
 <code>RECURSIVE</code> as an argument. Most functions do not define
 any symbolic constants.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../mondrian/olap/fun/Resolver.html#getReservedWords()">getReservedWords</A></CODE> in interface <CODE><A HREF="../../../mondrian/olap/fun/Resolver.html" title="interface in mondrian.olap.fun">Resolver</A></CODE></DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>An array of the names of the symbolic constants</DL>
</DD>
</DL>
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