net.sf.staccatocommons.defs.partial
Interface SizeAware

All Superinterfaces:

EmptyAware

public interface SizeAware
extends EmptyAware

Interface for objects that understand size() message. It extends the EmptyAware interface.

Author:

flbulgarelli

Method Summary

boolean	isEmpty() Answers if this SizeAware is empty.
int	size() Answers the size of this size aware.

Method Detail

size

int size()

Answers the size of this size aware. It should be a non negative int.

Returns:

the size

isEmpty

boolean isEmpty()

Answers if this SizeAware is empty. It should be true that aSizeAware.isEmpty() == (aSizeAware.size() == 0)

Specified by:

isEmpty in interface EmptyAware

Returns:

if the object is empty.