org.basex.query
Class ChildIterator

java.lang.Object
  org.basex.query.ChildIterator

public final class ChildIterator
extends java.lang.Object

Offers an iterator for the children of a node. Could as well be defined as generic child iterator.

Author:

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

Constructor Summary

ChildIterator(Data d, int p)
Default Constructor.

Method Summary

int[]	all() Returns an array with all pre values.
void	init(int p) Initializes the iterator.
boolean	more() Returns if the node offers more children.
int	next() Returns the pre value of the next child.

Methods inherited from class java.lang.Object

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

Constructor Detail

ChildIterator

public ChildIterator(Data d,
                     int p)

Default Constructor.

Parameters:

d - data reference

p - value of directory node

Method Detail

init

public void init(int p)

Initializes the iterator.

Parameters:

p - root pre value

more

public boolean more()

Returns if the node offers more children.

Returns:

result of check

next

public int next()

Returns the pre value of the next child.

Returns:

next child reference.

all

public int[] all()

Returns an array with all pre values. Must be directly called after creating the class instance.

Returns:

children array