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VariableDeclaration
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net.sf.saxon.expr</FONT>
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Interface VariableDeclaration</H2>
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<DT><B>All Known Implementing Classes:</B> <DD><A HREF="../../../../net/sf/saxon/query/GlobalVariableDefinition.html" title="class in net.sf.saxon.query">GlobalVariableDefinition</A>, <A HREF="../../../../net/sf/saxon/xpath/JAXPVariable.html" title="class in net.sf.saxon.xpath">JAXPVariable</A>, <A HREF="../../../../net/sf/saxon/query/UndeclaredVariable.html" title="class in net.sf.saxon.query">UndeclaredVariable</A>, <A HREF="../../../../net/sf/saxon/sxpath/XPathVariable.html" title="class in net.sf.saxon.sxpath">XPathVariable</A>, <A HREF="../../../../net/sf/saxon/style/XSLParam.html" title="class in net.sf.saxon.style">XSLParam</A>, <A HREF="../../../../net/sf/saxon/style/XSLVariable.html" title="class in net.sf.saxon.style">XSLVariable</A>, <A HREF="../../../../net/sf/saxon/style/XSLVariableDeclaration.html" title="class in net.sf.saxon.style">XSLVariableDeclaration</A></DD>
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<DT><PRE>public interface <B>VariableDeclaration</B></DL>
</PRE>
<P>
Generic interface representing a variable declaration in the static context of an XPath expression.
The declaration may be internal or external to the XPath expression itself. An external
VariableDeclaration is identified (perhaps created) by the bindVariable() method in the StaticContext.
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> <A HREF="../../../../net/sf/saxon/om/StructuredQName.html" title="class in net.sf.saxon.om">StructuredQName</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../net/sf/saxon/expr/VariableDeclaration.html#getVariableQName()">getVariableQName</A></B>()</CODE>
<BR>
Get the name of the variable as a structured QName</TD>
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<CODE> void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../net/sf/saxon/expr/VariableDeclaration.html#registerReference(net.sf.saxon.expr.BindingReference)">registerReference</A></B>(<A HREF="../../../../net/sf/saxon/expr/BindingReference.html" title="interface in net.sf.saxon.expr">BindingReference</A> ref)</CODE>
<BR>
Method called by a BindingReference to register the variable reference for
subsequent fixup.</TD>
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<A NAME="registerReference(net.sf.saxon.expr.BindingReference)"><!-- --></A><H3>
registerReference</H3>
<PRE>
void <B>registerReference</B>(<A HREF="../../../../net/sf/saxon/expr/BindingReference.html" title="interface in net.sf.saxon.expr">BindingReference</A> ref)</PRE>
<DL>
<DD>Method called by a BindingReference to register the variable reference for
subsequent fixup.
This method is called by the XPath parser when
each reference to the variable is encountered. At some time after parsing and before execution of the
expression, the VariableDeclaration is responsible for calling the two methods setStaticType()
and fixup() on each BindingReference that has been registered with it.<br>
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>ref</CODE> - the variable reference</DL>
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<A NAME="getVariableQName()"><!-- --></A><H3>
getVariableQName</H3>
<PRE>
<A HREF="../../../../net/sf/saxon/om/StructuredQName.html" title="class in net.sf.saxon.om">StructuredQName</A> <B>getVariableQName</B>()</PRE>
<DL>
<DD>Get the name of the variable as a structured QName
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<DT><B>Returns:</B><DD>the variable name</DL>
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