net.sf.saxon.expr.parser

Interface ExpressionAction

public interface ExpressionAction

General action class which can be used to process all nodes on an expression tree

Method Summary

Modifier and Type	Method and Description
boolean	process(Expression expression, java.lang.Object result) Process an expression

Method Detail

process

boolean process(Expression expression,
                java.lang.Object result)
         throws XPathException

Process an expression

Parameters:

expression - the expression to be processed

result - supplied value (of an appropriate type!) which can be updated to return results

Returns:

true if processing is now complete and further expressions do not need to be processed

Throws:

XPathException - if a failure occurs