<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <!--NewPage--> <HTML> <HEAD> <!-- Generated by javadoc (build 1.6.0_18) on Fri Dec 09 20:48:05 GMT 2011 --> <TITLE> ContextSwitchingExpression </TITLE> <META NAME="date" CONTENT="2011-12-09"> <LINK REL ="stylesheet" TYPE="text/css" HREF="../../../../stylesheet.css" TITLE="Style"> <SCRIPT type="text/javascript"> function windowTitle() { if (location.href.indexOf('is-external=true') == -1) { parent.document.title="ContextSwitchingExpression"; } } </SCRIPT> <NOSCRIPT> </NOSCRIPT> </HEAD> <BODY BGCOLOR="white" onload="windowTitle();"> <HR> <!-- ========= START OF TOP NAVBAR ======= --> <A NAME="navbar_top"><!-- --></A> <A HREF="#skip-navbar_top" title="Skip navigation links"></A> <TABLE BORDER="0" WIDTH="100%" CELLPADDING="1" CELLSPACING="0" SUMMARY=""> <TR> <TD COLSPAN=2 BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A NAME="navbar_top_firstrow"><!-- --></A> <TABLE BORDER="0" CELLPADDING="0" 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CONSTR | <A HREF="#method_summary">METHOD</A></FONT></TD> <TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2"> DETAIL: FIELD | CONSTR | <A HREF="#method_detail">METHOD</A></FONT></TD> </TR> </TABLE> <A NAME="skip-navbar_top"></A> <!-- ========= END OF TOP NAVBAR ========= --> <HR> <!-- ======== START OF CLASS DATA ======== --> <H2> <FONT SIZE="-1"> net.sf.saxon.expr</FONT> <BR> Interface ContextSwitchingExpression</H2> <DL> <DT><B>All Known Implementing Classes:</B> <DD><A HREF="../../../../net/sf/saxon/expr/FilterExpression.html" title="class in net.sf.saxon.expr">FilterExpression</A>, <A HREF="../../../../net/sf/saxon/expr/instruct/ForEach.html" title="class in net.sf.saxon.expr.instruct">ForEach</A>, <A HREF="../../../../com/saxonica/expr/IndexedFilterExpression.html" title="class in com.saxonica.expr">IndexedFilterExpression</A>, <A HREF="../../../../com/saxonica/expr/ee/MultithreadedForEach.html" title="class in com.saxonica.expr.ee">MultithreadedForEach</A>, <A HREF="../../../../net/sf/saxon/expr/SimpleStepExpression.html" title="class in net.sf.saxon.expr">SimpleStepExpression</A>, <A HREF="../../../../net/sf/saxon/expr/SlashExpression.html" title="class in net.sf.saxon.expr">SlashExpression</A></DD> </DL> <HR> <DL> <DT><PRE>public interface <B>ContextSwitchingExpression</B></DL> </PRE> <P> Interface implemented by expressions that switch the context, for example A/B or A[B] <P> <P> <HR> <P> <!-- ========== METHOD SUMMARY =========== --> <A NAME="method_summary"><!-- --></A> <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> <TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"> <B>Method Summary</B></FONT></TH> </TR> <TR BGCOLOR="white" CLASS="TableRowColor"> <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> <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/ContextSwitchingExpression.html#getControlledExpression()">getControlledExpression</A></B>()</CODE> <BR> Get the subexpression that is evaluated in the new context</TD> </TR> <TR BGCOLOR="white" CLASS="TableRowColor"> <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> <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/ContextSwitchingExpression.html#getControllingExpression()">getControllingExpression</A></B>()</CODE> <BR> Get the subexpression that sets the context item</TD> </TR> </TABLE> <P> <!-- ============ METHOD DETAIL ========== --> <A NAME="method_detail"><!-- --></A> <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> <TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2"> <B>Method Detail</B></FONT></TH> </TR> </TABLE> <A NAME="getControllingExpression()"><!-- --></A><H3> getControllingExpression</H3> <PRE> <A HREF="../../../../net/sf/saxon/expr/Expression.html" title="class in net.sf.saxon.expr">Expression</A> <B>getControllingExpression</B>()</PRE> <DL> <DD>Get the subexpression that sets the context item <P> <DD><DL> <DT><B>Returns:</B><DD>the subexpression that sets the context item, position, and size to each of its items in turn</DL> </DD> </DL> <HR> <A NAME="getControlledExpression()"><!-- --></A><H3> getControlledExpression</H3> <PRE> <A HREF="../../../../net/sf/saxon/expr/Expression.html" title="class in net.sf.saxon.expr">Expression</A> <B>getControlledExpression</B>()</PRE> <DL> <DD>Get the subexpression that is evaluated in the new context <P> <DD><DL> <DT><B>Returns:</B><DD>the subexpression evaluated in the context set by the controlling expression</DL> </DD> </DL> <!-- ========= END OF CLASS DATA ========= --> <HR> <!-- ======= START OF BOTTOM NAVBAR ====== --> <A 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