net.sf.saxon.expr

Interface ContextSwitchingExpression

All Known Implementing Classes:

FilterExpression, ForEach, ForEachGroup, IndexedFilterExpression, IterateInstr, MultithreadedForEach, SimpleStepExpression, SlashExpression

public interface ContextSwitchingExpression

Interface implemented by expressions that switch the context, for example A/B or A[B]

Method Summary

Methods

Modifier and Type	Method and Description
Expression	getActionExpression() Get the subexpression that is evaluated in the new context
Expression	getSelectExpression() Get the subexpression that sets the context item

Method Detail

getSelectExpression

Expression getSelectExpression()

Get the subexpression that sets the context item

Returns:

the subexpression that sets the context item, position, and size to each of its items in turn

getActionExpression

Expression getActionExpression()

Get the subexpression that is evaluated in the new context

Returns:

the subexpression evaluated in the context set by the controlling expression