org.basex.query.xpath.internal
Class Range

java.lang.Object
  org.basex.query.xpath.expr.Expr
      org.basex.query.xpath.internal.InternalExpr
          org.basex.query.xpath.internal.Range

public final class Range
extends InternalExpr

RangeExpr Able to perform numeric range queries.

Author:

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

Constructor Summary

Range(Expr e, Item mn, Item mx)
Constructor.

Method Summary

Bool	eval(XPContext ctx) Evaluates the expression with the specified context set.
java.lang.String	toString()

Methods inherited from class org.basex.query.xpath.internal.InternalExpr

compile, usesPos, usesSize

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

indexEquivalent, indexSizes, returnedValue, sameAs

Methods inherited from class java.lang.Object

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

Constructor Detail

Range

public Range(Expr e,
             Item mn,
             Item mx)

Constructor.

Parameters:

e - first expression

mn - minimum value

mx - maximum value

Method Detail

eval

public Bool eval(XPContext ctx)
          throws EvalException

Description copied from class: Expr

Evaluates the expression with the specified context set. Additionally provides a context

Specified by:

eval in class Expr

Parameters:

ctx - query context

Returns:

resulting XPathValue

Throws:

EvalException - evaluation exception

toString

public java.lang.String toString()

Specified by:

toString in class Expr