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WhereClausePush
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net.sf.saxon.expr.flwor</FONT>
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Class WhereClausePush</H2>
<PRE>
<A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">java.lang.Object</A>
<IMG SRC="../../../../../resources/inherit.gif" ALT="extended by "><A HREF="../../../../../net/sf/saxon/expr/flwor/TuplePush.html" title="class in net.sf.saxon.expr.flwor">net.sf.saxon.expr.flwor.TuplePush</A>
<IMG SRC="../../../../../resources/inherit.gif" ALT="extended by "><B>net.sf.saxon.expr.flwor.WhereClausePush</B>
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<DT><PRE>public class <B>WhereClausePush</B><DT>extends <A HREF="../../../../../net/sf/saxon/expr/flwor/TuplePush.html" title="class in net.sf.saxon.expr.flwor">TuplePush</A></DL>
</PRE>
<P>
This class represents the tuple stream delivered as the output of a where clause in a
FLWOR expression: that is, it supplies all the tuples in its input stream that satisfy
a specified predicate. It does not change the values of any variables in the tuple stream.
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<TD><CODE><B><A HREF="../../../../../net/sf/saxon/expr/flwor/WhereClausePush.html#WhereClausePush(net.sf.saxon.expr.flwor.TuplePush, net.sf.saxon.expr.Expression)">WhereClausePush</A></B>(<A HREF="../../../../../net/sf/saxon/expr/flwor/TuplePush.html" title="class in net.sf.saxon.expr.flwor">TuplePush</A> destination,
<A HREF="../../../../../net/sf/saxon/expr/Expression.html" title="class in net.sf.saxon.expr">Expression</A> predicate)</CODE>
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<CODE> void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../net/sf/saxon/expr/flwor/WhereClausePush.html#close()">close</A></B>()</CODE>
<BR>
Close the tuple stream, indicating that no more tuples will be supplied</TD>
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<CODE> void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../net/sf/saxon/expr/flwor/WhereClausePush.html#processTuple(net.sf.saxon.expr.XPathContext)">processTuple</A></B>(<A HREF="../../../../../net/sf/saxon/expr/XPathContext.html" title="interface in net.sf.saxon.expr">XPathContext</A> context)</CODE>
<BR>
Notify the availability of the next tuple.</TD>
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<A NAME="WhereClausePush(net.sf.saxon.expr.flwor.TuplePush, net.sf.saxon.expr.Expression)"><!-- --></A><H3>
WhereClausePush</H3>
<PRE>
public <B>WhereClausePush</B>(<A HREF="../../../../../net/sf/saxon/expr/flwor/TuplePush.html" title="class in net.sf.saxon.expr.flwor">TuplePush</A> destination,
<A HREF="../../../../../net/sf/saxon/expr/Expression.html" title="class in net.sf.saxon.expr">Expression</A> predicate)</PRE>
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<A NAME="processTuple(net.sf.saxon.expr.XPathContext)"><!-- --></A><H3>
processTuple</H3>
<PRE>
public void <B>processTuple</B>(<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><B>Description copied from class: <CODE><A HREF="../../../../../net/sf/saxon/expr/flwor/TuplePush.html#processTuple(net.sf.saxon.expr.XPathContext)">TuplePush</A></CODE></B></DD>
<DD>Notify the availability of the next tuple. Before calling this method,
the supplier of the tuples must set all the variables corresponding
to the supplied tuple in the local stack frame associated with the context object
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../../net/sf/saxon/expr/flwor/TuplePush.html#processTuple(net.sf.saxon.expr.XPathContext)">processTuple</A></CODE> in class <CODE><A HREF="../../../../../net/sf/saxon/expr/flwor/TuplePush.html" title="class in net.sf.saxon.expr.flwor">TuplePush</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>context</CODE> - the dynamic evaluation context
<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</DL>
</DD>
</DL>
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<A NAME="close()"><!-- --></A><H3>
close</H3>
<PRE>
public void <B>close</B>()
throws <A HREF="../../../../../net/sf/saxon/trans/XPathException.html" title="class in net.sf.saxon.trans">XPathException</A></PRE>
<DL>
<DD><B>Description copied from class: <CODE><A HREF="../../../../../net/sf/saxon/expr/flwor/TuplePush.html#close()">TuplePush</A></CODE></B></DD>
<DD>Close the tuple stream, indicating that no more tuples will be supplied
<P>
<DD><DL>
<DT><B>Overrides:</B><DD><CODE><A HREF="../../../../../net/sf/saxon/expr/flwor/TuplePush.html#close()">close</A></CODE> in class <CODE><A HREF="../../../../../net/sf/saxon/expr/flwor/TuplePush.html" title="class in net.sf.saxon.expr.flwor">TuplePush</A></CODE></DL>
</DD>
<DD><DL>
<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</DL>
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