org.basex.query.xquery.func
Class FNSimple

java.lang.Object
  org.basex.query.xquery.expr.Expr
      org.basex.query.xquery.func.Fun
          org.basex.query.xquery.func.FNSimple

public final class FNSimple
extends Fun

Simple functions.

Author:

Workgroup DBIS, University of Konstanz 2005-07, ISC License, Christian Gruen

Field Summary

Fields inherited from class org.basex.query.xquery.func.Fun

func

Fields inherited from class org.basex.query.xquery.expr.Expr

type

Constructor Summary

FNSimple()

Method Summary

Expr	comp(XQContext ctx, Expr[] arg) Compiles the function.
Item	eval(XQContext ctx, Item[] arg) Evaluates the function.

Methods inherited from class org.basex.query.xquery.func.Fun

comp, eval, info, toString

Methods inherited from class org.basex.query.xquery.expr.Expr

cls, d, e, i, n, node, s, size, str, u

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

FNSimple

public FNSimple()

Method Detail

comp

public Expr comp(XQContext ctx,
                 Expr[] arg)

Description copied from class: Fun

Compiles the function.

Overrides:

comp in class Fun

Parameters:

ctx - xquery context

arg - evaluated arguments

Returns:

evaluated item

eval

public Item eval(XQContext ctx,
                 Item[] arg)
          throws XQException

Description copied from class: Fun

Evaluates the function.

Specified by:

eval in class Fun

Parameters:

ctx - xquery context

arg - evaluated arguments

Returns:

evaluated item

Throws:

XQException - evaluation exception