org.basex.query.xquery.path
Class PathRel

java.lang.Object
  org.basex.query.xquery.expr.Expr
      org.basex.query.xquery.expr.Arr
          org.basex.query.xquery.path.Path
              org.basex.query.xquery.path.PathRel

public final class PathRel
extends Path

Path expression.

Author:

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

Field Summary

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

list

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

type

Constructor Summary

PathRel(Expr e, Expr[] p)
Constructor.

Method Summary

Expr	comp(XQContext ctx) Optimizes and compiles the expression tree.
Item	eval(XQContext ctx) Evaluates the expression and returns the resulting item.
java.lang.String	toString()

Methods inherited from class org.basex.query.xquery.path.Path

info, path

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

PathRel

public PathRel(Expr e,
               Expr[] p)

Constructor.

Parameters:

e - expression

p - expression list

Method Detail

comp

public Expr comp(XQContext ctx)
          throws XQException

Description copied from class: Expr

Optimizes and compiles the expression tree.

Overrides:

comp in class Path

Parameters:

ctx - query context

Returns:

optimized Expression

Throws:

XQException - evaluation exception

eval

public Item eval(XQContext ctx)
          throws XQException

Description copied from class: Expr

Evaluates the expression and returns the resulting item.

Specified by:

eval in class Expr

Parameters:

ctx - query context

Returns:

resulting item

Throws:

XQException - evaluation exception

toString

public java.lang.String toString()

Specified by:

toString in class Expr