org.basex.query.xquery.iter
Class RangeIter

java.lang.Object
  org.basex.query.xquery.iter.Iter
      org.basex.query.xquery.iter.RangeIter

public final class RangeIter
extends Iter

Range Iterator.

Author:

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

Field Summary

Fields inherited from class org.basex.query.xquery.iter.Iter

EMPTY

Constructor Summary

RangeIter(long mn, long mx)
Constructor.

Method Summary

Item	next() Returns the next item or null if no other items are found.
void	reverse() Reverses the iterator.
long	size() Returns the number of entries.
java.lang.String	toString()

Methods inherited from class org.basex.query.xquery.iter.Iter

atomic, ebv, finish, reset, seqErr

Methods inherited from class java.lang.Object

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

Constructor Detail

RangeIter

public RangeIter(long mn,
                 long mx)

Constructor.

Parameters:

mn - minimum value

mx - minimum value

Method Detail

next

public Item next()

Description copied from class: Iter

Returns the next item or null if no other items are found.

Specified by:

next in class Iter

Returns:

resulting item

size

public long size()

Description copied from class: Iter

Returns the number of entries. Warning: -1 is returned if the number cannot be evaluated, so each method has to check and react on the returned value.

Overrides:

size in class Iter

Returns:

number of entries

reverse

public void reverse()

Reverses the iterator.

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object