org.basex.query.xpath.func
Class XPathContext

java.lang.Object
  org.basex.query.xpath.func.XPathContext

public final class XPathContext
extends java.lang.Object

Global expression context.

Author:

Workgroup DBIS, University of Konstanz 2005-08, ISC License, Tim Petrowsky

Method Summary

static XPathContext	get() Returns single instance of this class.
Func	getFunction(byte[] name, Expr[] args) Evaluates the specified function.

Methods inherited from class java.lang.Object

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

Method Detail

get

public static XPathContext get()

Returns single instance of this class.

Returns:

class instance

getFunction

public Func getFunction(byte[] name,
                        Expr[] args)
                 throws QueryException

Evaluates the specified function.

Parameters:

name - name of the function

args - optional arguments

Returns:

resulting XPathValue

Throws:

QueryException - query exception