org.basex.query.xpath.expr
Class Relational

java.lang.Object
  org.basex.query.ExprInfo
      org.basex.query.xpath.expr.Expr
          org.basex.query.xpath.expr.Arr
              org.basex.query.xpath.expr.Cmp
                  org.basex.query.xpath.expr.Relational

public final class Relational
extends Cmp

XPath Relational Expression. Can express: LESS (<) LESS_OR_EQUALS (<=) GREATER (>) GREATER_OR_EQUALS (>=)

Author:

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

Field Summary

Fields inherited from class org.basex.query.xpath.expr.Cmp

type

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

expr

Constructor Summary

Relational(Expr e1, Expr e2, Comp t)
Constructor.

Method Summary

boolean

sameAs(Expr cmp) Checks current and specified expression for equivalence.

Methods inherited from class org.basex.query.xpath.expr.Cmp

comp, eval, plan, standard, toString

Methods inherited from class org.basex.query.xpath.expr.Arr

usesPos, usesSize

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

indexEquivalent, indexSizes, returnedValue

Methods inherited from class org.basex.query.ExprInfo

color, info, name

Methods inherited from class java.lang.Object

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

Constructor Detail

Relational

public Relational(Expr e1,
                  Expr e2,
                  Comp t)

Constructor.

Parameters:

e1 - first expression

e2 - second expression to be compared with

t - see class description

Method Detail

sameAs

public boolean sameAs(Expr cmp)

Description copied from class: Expr

Checks current and specified expression for equivalence.

Overrides:

sameAs in class Arr

Parameters:

cmp - expression to be compared

Returns:

result of check