com.saxonica.hof
Class InlineFunctionWithExternals

java.lang.Object
  com.saxonica.hof.AbstractFunctionItem
      com.saxonica.hof.UserFunctionItem
          com.saxonica.hof.InlineFunctionWithExternals

All Implemented Interfaces:

Serializable, PullEvent, FunctionItem, Item, ValueRepresentation

public class InlineFunctionWithExternals
extends UserFunctionItem

A function written as an inline anonymous function, that has one or more references to local variables declared outside the body of the function

See Also:

Serialized Form

Field Summary

Fields inherited from class com.saxonica.hof.UserFunctionItem

target

Fields inherited from interface net.sf.saxon.om.ValueRepresentation

EMPTY_VALUE_ARRAY

Constructor Summary

InlineFunctionWithExternals(UserFunctionCall target)
Create the function

Method Summary

void	addExternalVariableMapping(Binding oldSlot, int newSlot) Add a mapping from the outer stackframe to the new stackframe
ValueRepresentation	invoke(ValueRepresentation[] args, XPathContext context) Invoke the function

Methods inherited from class com.saxonica.hof.UserFunctionItem

explain, getArity, getFunctionItemType, getFunctionName, typeCheck

Methods inherited from class com.saxonica.hof.AbstractFunctionItem

bind, curry, getStringValue, getStringValueCS, getTypedValue, optimize

Methods inherited from class java.lang.Object

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

Constructor Detail

InlineFunctionWithExternals

public InlineFunctionWithExternals(UserFunctionCall target)

Create the function

Parameters:

target - the function to be curried

Method Detail

addExternalVariableMapping

public void addExternalVariableMapping(Binding oldSlot,
                                       int newSlot)

Add a mapping from the outer stackframe to the new stackframe

invoke

public ValueRepresentation invoke(ValueRepresentation[] args,
                                  XPathContext context)
                           throws XPathException

Invoke the function

Specified by:

invoke in interface FunctionItem

Overrides:

invoke in class UserFunctionItem

Parameters:

args - the actual arguments to be supplied

context - the XPath dynamic evaluation context

Returns:

the result of invoking the function

Throws:

XPathException