public class LastFunction extends java.lang.Object implements Function
4.1 number last()
The last function returns a number equal to the context size from the expression evaluation context.
Constructor and Description |
---|
LastFunction()
Create a new
LastFunction object. |
Modifier and Type | Method and Description |
---|---|
java.lang.Object |
call(Context context,
java.util.List args)
Returns the number of nodes in the context node-set.
|
static java.lang.Double |
evaluate(Context context)
Returns the number of nodes in the context node-set.
|
public java.lang.Object call(Context context, java.util.List args) throws FunctionCallException
call
in interface Function
context
- the context at the point in the
expression where the function is calledargs
- an empty listDouble
containing the context sizeFunctionCallException
- if args
is not emptyContext.getSize()
public static java.lang.Double evaluate(Context context)
context
- the context at the point in the
expression where the function is calledContext.getSize()