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DivisibleInstruction
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<FONT SIZE="-1">
net.sf.saxon.expr.instruct</FONT>
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Interface DivisibleInstruction</H2>
<DL>
<DT><B>All Known Implementing Classes:</B> <DD><A HREF="../../../../../net/sf/saxon/expr/instruct/ComputedElement.html" title="class in net.sf.saxon.expr.instruct">ComputedElement</A>, <A HREF="../../../../../net/sf/saxon/expr/instruct/Copy.html" title="class in net.sf.saxon.expr.instruct">Copy</A>, <A HREF="../../../../../net/sf/saxon/expr/instruct/DocumentInstr.html" title="class in net.sf.saxon.expr.instruct">DocumentInstr</A>, <A HREF="../../../../../net/sf/saxon/expr/instruct/ElementCreator.html" title="class in net.sf.saxon.expr.instruct">ElementCreator</A>, <A HREF="../../../../../net/sf/saxon/expr/instruct/FixedElement.html" title="class in net.sf.saxon.expr.instruct">FixedElement</A>, <A HREF="../../../../../net/sf/saxon/expr/instruct/ParentNodeConstructor.html" title="class in net.sf.saxon.expr.instruct">ParentNodeConstructor</A>, <A HREF="../../../../../net/sf/saxon/expr/instruct/ResultDocument.html" title="class in net.sf.saxon.expr.instruct">ResultDocument</A></DD>
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<DT><PRE>public interface <B>DivisibleInstruction</B></DL>
</PRE>
<P>
This interface is implemented by instructions that can be executed in streaming mode. The instruction
offers two methods, processLeft() which is executed before processing the descendants of the context node,
and processRight() which is executed after processing the descendants.
<P>
<P>
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<B>Method Summary</B></FONT></TH>
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<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/instruct/DivisibleInstruction.html#getContentExpression()">getContentExpression</A></B>()</CODE>
<BR>
Get the content expression</TD>
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<CODE> void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../net/sf/saxon/expr/instruct/DivisibleInstruction.html#processLeft(java.util.Stack, java.util.Stack)">processLeft</A></B>(<A HREF="http://download.oracle.com/javase/6/docs/api/java/util/Stack.html?is-external=true" title="class or interface in java.util">Stack</A><<A HREF="../../../../../net/sf/saxon/expr/XPathContext.html" title="interface in net.sf.saxon.expr">XPathContext</A>> contextStack,
<A HREF="http://download.oracle.com/javase/6/docs/api/java/util/Stack.html?is-external=true" title="class or interface in java.util">Stack</A><<A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A>> state)</CODE>
<BR>
In streaming mode, process the first half of the instruction (for example, to start a new document or element)</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../net/sf/saxon/expr/instruct/DivisibleInstruction.html#processRight(java.util.Stack, java.util.Stack)">processRight</A></B>(<A HREF="http://download.oracle.com/javase/6/docs/api/java/util/Stack.html?is-external=true" title="class or interface in java.util">Stack</A><<A HREF="../../../../../net/sf/saxon/expr/XPathContext.html" title="interface in net.sf.saxon.expr">XPathContext</A>> contextStack,
<A HREF="http://download.oracle.com/javase/6/docs/api/java/util/Stack.html?is-external=true" title="class or interface in java.util">Stack</A><<A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A>> state)</CODE>
<BR>
In streaming mode, process the right half of the instruction (for example, to end a new document or element)</TD>
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<A NAME="processLeft(java.util.Stack, java.util.Stack)"><!-- --></A><H3>
processLeft</H3>
<PRE>
void <B>processLeft</B>(<A HREF="http://download.oracle.com/javase/6/docs/api/java/util/Stack.html?is-external=true" title="class or interface in java.util">Stack</A><<A HREF="../../../../../net/sf/saxon/expr/XPathContext.html" title="interface in net.sf.saxon.expr">XPathContext</A>> contextStack,
<A HREF="http://download.oracle.com/javase/6/docs/api/java/util/Stack.html?is-external=true" title="class or interface in java.util">Stack</A><<A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A>> state)
throws <A HREF="../../../../../net/sf/saxon/trans/XPathException.html" title="class in net.sf.saxon.trans">XPathException</A></PRE>
<DL>
<DD>In streaming mode, process the first half of the instruction (for example, to start a new document or element)
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>contextStack</CODE> - Stack of XPathContext objects. The instruction should use the one at the top of the stack.
Some instructions (such as xsl:result-document) create a new context object and add it to the stack, removing it
in the corresponding processRight() action.<DD><CODE>state</CODE> - a stack on which the instruction can save state information during the call on processLeft().
state (together withe the contextStack) represents the "continuation", the data maintained by the instruction
<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>
<HR>
<A NAME="processRight(java.util.Stack, java.util.Stack)"><!-- --></A><H3>
processRight</H3>
<PRE>
void <B>processRight</B>(<A HREF="http://download.oracle.com/javase/6/docs/api/java/util/Stack.html?is-external=true" title="class or interface in java.util">Stack</A><<A HREF="../../../../../net/sf/saxon/expr/XPathContext.html" title="interface in net.sf.saxon.expr">XPathContext</A>> contextStack,
<A HREF="http://download.oracle.com/javase/6/docs/api/java/util/Stack.html?is-external=true" title="class or interface in java.util">Stack</A><<A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A>> state)
throws <A HREF="../../../../../net/sf/saxon/trans/XPathException.html" title="class in net.sf.saxon.trans">XPathException</A></PRE>
<DL>
<DD>In streaming mode, process the right half of the instruction (for example, to end a new document or element)
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>contextStack</CODE> - Stack of XPathContext objects. The instruction should use the one at the top of the stack.<DD><CODE>state</CODE> - the stack on which the instruction saved state information during the corresponding
call on processLeft(). On entry to the processRight() method, the stack will be in the same state as it
was on exit from processLeft().
<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>
<HR>
<A NAME="getContentExpression()"><!-- --></A><H3>
getContentExpression</H3>
<PRE>
<A HREF="../../../../../net/sf/saxon/expr/Expression.html" title="class in net.sf.saxon.expr">Expression</A> <B>getContentExpression</B>()</PRE>
<DL>
<DD>Get the content expression
<P>
<DD><DL>
<DT><B>Returns:</B><DD>the expression that generates the content of the element or document node
constructed by this DivisibleInstruction</DL>
</DD>
</DL>
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