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WindowClausePush
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com.saxonica.expr.flwor</FONT>
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Class WindowClausePush</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>com.saxonica.expr.flwor.WindowClausePush</B>
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<DT><PRE>public class <B>WindowClausePush</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>
Implement a sliding or tumbling window clause of a FLWOR expression in tuple-push mode. The entire window processing
is activated once for each input tuple, and it generates one output tuple for each identified window.
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<TD><CODE><B><A HREF="../../../../com/saxonica/expr/flwor/WindowClausePush.html#WindowClausePush(net.sf.saxon.expr.flwor.TuplePush, com.saxonica.expr.flwor.WindowClause)">WindowClausePush</A></B>(<A HREF="../../../../net/sf/saxon/expr/flwor/TuplePush.html" title="class in net.sf.saxon.expr.flwor">TuplePush</A> destination,
<A HREF="../../../../com/saxonica/expr/flwor/WindowClause.html" title="class in com.saxonica.expr.flwor">WindowClause</A> windowClause)</CODE>
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<CODE> void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/saxonica/expr/flwor/WindowClausePush.html#close()">close</A></B>()</CODE>
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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="../../../../com/saxonica/expr/flwor/WindowClausePush.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>
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Notify the availability of the next tuple.</TD>
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<A NAME="WindowClausePush(net.sf.saxon.expr.flwor.TuplePush, com.saxonica.expr.flwor.WindowClause)"><!-- --></A><H3>
WindowClausePush</H3>
<PRE>
public <B>WindowClausePush</B>(<A HREF="../../../../net/sf/saxon/expr/flwor/TuplePush.html" title="class in net.sf.saxon.expr.flwor">TuplePush</A> destination,
<A HREF="../../../../com/saxonica/expr/flwor/WindowClause.html" title="class in com.saxonica.expr.flwor">WindowClause</A> windowClause)</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>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>
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<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>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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