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CallableExpression
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net.sf.saxon.expr</FONT>
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Interface CallableExpression</H2>
<DL>
<DT><B>All Known Implementing Classes:</B> <DD><A HREF="../../../../net/sf/saxon/functions/Adjust.html" title="class in net.sf.saxon.functions">Adjust</A>, <A HREF="../../../../net/sf/saxon/expr/ArithmeticExpression10.html" title="class in net.sf.saxon.expr">ArithmeticExpression10</A>, <A HREF="../../../../com/saxonica/functions/xpath3/AvailableEnvironmentVariables.html" title="class in com.saxonica.functions.xpath3">AvailableEnvironmentVariables</A>, <A HREF="../../../../net/sf/saxon/functions/Average.html" title="class in net.sf.saxon.functions">Average</A>, <A HREF="../../../../net/sf/saxon/functions/BaseURI.html" title="class in net.sf.saxon.functions">BaseURI</A>, <A HREF="../../../../net/sf/saxon/functions/BooleanFn.html" title="class in net.sf.saxon.functions">BooleanFn</A>, <A HREF="../../../../net/sf/saxon/functions/CodepointEqual.html" title="class in net.sf.saxon.functions">CodepointEqual</A>, <A HREF="../../../../net/sf/saxon/functions/Collection.html" title="class in net.sf.saxon.functions">Collection</A>, <A HREF="../../../../net/sf/saxon/functions/Compare.html" title="class in net.sf.saxon.functions">Compare</A>, <A HREF="../../../../net/sf/saxon/functions/Contains.html" title="class in net.sf.saxon.functions">Contains</A>, <A HREF="../../../../com/saxonica/expr/ContextCall.html" title="class in com.saxonica.expr">ContextCall</A>, <A HREF="../../../../net/sf/saxon/functions/CurrentDateTime.html" title="class in net.sf.saxon.functions">CurrentDateTime</A>, <A HREF="../../../../net/sf/saxon/functions/CurrentGroup.html" title="class in net.sf.saxon.functions">CurrentGroup</A>, <A HREF="../../../../net/sf/saxon/functions/CurrentGroupingKey.html" title="class in net.sf.saxon.functions">CurrentGroupingKey</A>, <A HREF="../../../../net/sf/saxon/functions/DeepEqual.html" title="class in net.sf.saxon.functions">DeepEqual</A>, <A HREF="../../../../net/sf/saxon/functions/DistinctValues.html" title="class in net.sf.saxon.functions">DistinctValues</A>, <A 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HREF="../../../../net/sf/saxon/xpath/XPathFunctionCall.html" title="class in net.sf.saxon.xpath">XPathFunctionCall</A></DD>
</DL>
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<DL>
<DT><PRE>public interface <B>CallableExpression</B></DL>
</PRE>
<P>
A generic interface for calling expressions by supplying the values of their subexpressions
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<CODE> <A HREF="../../../../net/sf/saxon/om/SequenceIterator.html" title="interface in net.sf.saxon.om">SequenceIterator</A><? extends <A HREF="../../../../net/sf/saxon/om/Item.html" title="interface in net.sf.saxon.om">Item</A>></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../net/sf/saxon/expr/CallableExpression.html#call(net.sf.saxon.om.SequenceIterator[], net.sf.saxon.expr.XPathContext)">call</A></B>(<A HREF="../../../../net/sf/saxon/om/SequenceIterator.html" title="interface in net.sf.saxon.om">SequenceIterator</A><? extends <A HREF="../../../../net/sf/saxon/om/Item.html" title="interface in net.sf.saxon.om">Item</A>>[] arguments,
<A HREF="../../../../net/sf/saxon/expr/XPathContext.html" title="interface in net.sf.saxon.expr">XPathContext</A> context)</CODE>
<BR>
Evaluate the expression</TD>
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<CODE> <A HREF="../../../../net/sf/saxon/expr/Expression.html" title="class in net.sf.saxon.expr">Expression</A>[]</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../net/sf/saxon/expr/CallableExpression.html#getArguments()">getArguments</A></B>()</CODE>
<BR>
Get the subexpressions (arguments to this expression)</TD>
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<A NAME="getArguments()"><!-- --></A><H3>
getArguments</H3>
<PRE>
<A HREF="../../../../net/sf/saxon/expr/Expression.html" title="class in net.sf.saxon.expr">Expression</A>[] <B>getArguments</B>()</PRE>
<DL>
<DD>Get the subexpressions (arguments to this expression)
<P>
<DD><DL>
<DT><B>Returns:</B><DD>the arguments, as an array</DL>
</DD>
</DL>
<HR>
<A NAME="call(net.sf.saxon.om.SequenceIterator[], net.sf.saxon.expr.XPathContext)"><!-- --></A><H3>
call</H3>
<PRE>
<A HREF="../../../../net/sf/saxon/om/SequenceIterator.html" title="interface in net.sf.saxon.om">SequenceIterator</A><? extends <A HREF="../../../../net/sf/saxon/om/Item.html" title="interface in net.sf.saxon.om">Item</A>> <B>call</B>(<A HREF="../../../../net/sf/saxon/om/SequenceIterator.html" title="interface in net.sf.saxon.om">SequenceIterator</A><? extends <A HREF="../../../../net/sf/saxon/om/Item.html" title="interface in net.sf.saxon.om">Item</A>>[] arguments,
<A HREF="../../../../net/sf/saxon/expr/XPathContext.html" title="interface in net.sf.saxon.expr">XPathContext</A> context)
throws <A HREF="../../../../net/sf/saxon/trans/XPathException.html" title="class in net.sf.saxon.trans">XPathException</A></PRE>
<DL>
<DD>Evaluate the expression
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>arguments</CODE> - the values of the arguments, supplied as SequenceIterators<DD><CODE>context</CODE> - the dynamic evaluation context
<DT><B>Returns:</B><DD>the result of the evaluation, in the form of a SequenceIterator
<DT><B>Throws:</B>
<DD><CODE><A HREF="../../../../net/sf/saxon/trans/XPathException.html" title="class in net.sf.saxon.trans">XPathException</A></CODE> - if a dynamic error occurs during the evaluation of the expression</DL>
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