org.basex.query.xquery.path
Class SimpleIterStep

java.lang.Object
  org.basex.query.ExprInfo
      org.basex.query.xquery.expr.Expr
          org.basex.query.xquery.expr.Arr
              org.basex.query.xquery.path.Step
                  org.basex.query.xquery.path.SimpleIterStep

public final class SimpleIterStep
extends Step

Path expression.

Author:

Workgroup DBIS, University of Konstanz 2005-08, ISC License, Christian Gruen

Nested Class Summary

Nested classes/interfaces inherited from class org.basex.query.xquery.expr.Expr

Expr.Return, Expr.Using

Field Summary

Fields inherited from class org.basex.query.xquery.path.Step

axis, test

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

expr

Constructor Summary

SimpleIterStep(Axis a, Test t, Expr[] p)
Constructor.

Method Summary

NodeIter

iter(XQContext ctx) Evaluates the expression and returns an iterator on the resulting items.

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

comp, plan, returned, simple, toString, uses

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

e, i

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

SimpleIterStep

public SimpleIterStep(Axis a,
                      Test t,
                      Expr[] p)

Constructor.

Parameters:

a - axis

t - node test

p - predicates

Method Detail

iter

public NodeIter iter(XQContext ctx)
              throws XQException

Description copied from class: Expr

Evaluates the expression and returns an iterator on the resulting items.

Overrides:

iter in class Step

Parameters:

ctx - query context

Returns:

resulting item

Throws:

XQException - evaluation exception