infovis.utils
Class NullRowIterator

java.lang.Object
  infovis.utils.NullRowIterator

All Implemented Interfaces:

RowIterator, Cloneable, Iterator

public class NullRowIterator
extends Object
implements RowIterator, Cloneable

Version:

$Revision: 1.4 $

Author:

Jean-Daniel Fekete

Constructor Summary

NullRowIterator()

Method Summary

RowIterator	copy() Clone myself with the right type returned.
boolean	hasNext()
Object	next()
int	nextRow() Returns the next row after incrementing the iterator.
int	peekRow() Returns the next row without incrementing the iterator.
void	remove()
static NullRowIterator	sharedInstance()

Methods inherited from class java.lang.Object

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

Constructor Detail

NullRowIterator

public NullRowIterator()

Method Detail

sharedInstance

public static NullRowIterator sharedInstance()

nextRow

public int nextRow()

Description copied from interface: RowIterator

Returns the next row after incrementing the iterator.

Specified by:

nextRow in interface RowIterator

Returns:

the next row.

See Also:

RowIterator.nextRow()

peekRow

public int peekRow()

Description copied from interface: RowIterator

Returns the next row without incrementing the iterator.

Specified by:

peekRow in interface RowIterator

Returns:

the next row.

See Also:

RowIterator.peekRow()

hasNext

public boolean hasNext()

Specified by:

hasNext in interface Iterator

See Also:

Iterator.hasNext()

next

public Object next()

Specified by:

next in interface Iterator

See Also:

Iterator.next()

remove

public void remove()

Specified by:

remove in interface Iterator

See Also:

Iterator.remove()

copy

public RowIterator copy()

Description copied from interface: RowIterator

Clone myself with the right type returned.

Specified by:

copy in interface RowIterator

Returns:

a copy of myself.

See Also:

RowIterator.copy()