com.saxonica.stream.action
Class InstructionAction

java.lang.Object
  com.saxonica.stream.action.InstructionAction

All Implemented Interfaces:

StreamingAction

public class InstructionAction
extends Object
implements StreamingAction

A streaming action that outputs the value of a given expression

Constructor Summary

InstructionAction(Expression expr)

Method Summary

void	explain(ExpressionPresenter presenter) Explain the action
void	process(Stack<XPathContext> contextStack, Stack state) Perform the action

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

InstructionAction

public InstructionAction(Expression expr)

Method Detail

process

public void process(Stack<XPathContext> contextStack,
                    Stack state)
             throws XPathException

Perform the action

Specified by:

process in interface StreamingAction

Parameters:

contextStack -

state - @throws net.sf.saxon.trans.XPathException

Throws:

XPathException

explain

public void explain(ExpressionPresenter presenter)

Explain the action

Specified by:

explain in interface StreamingAction

Parameters:

presenter - The ExpressionPresenter (destination for the explanation