net.walend.collection
Interface Bag

All Superinterfaces:

java.util.Collection, HasState

All Known Implementing Classes:

ImmutableBag, MapBag

public interface Bag

extends java.util.Collection, HasState

Bag is an interface for Collections that are just simple Collections.

Author:

David Walend dfw1@cornell.edu

Field Summary

static Bag

EMPTY

Method Summary

int	countObjects(java.lang.Object inBag) Returns the count of objects in the bag.
boolean	sameContentsAs(Bag bag) Returns true if this contains the same numbers of the same objects as bag.

Methods inherited from interface java.util.Collection

add, addAll, clear, contains, containsAll, equals, hashCode, isEmpty, iterator, remove, removeAll, retainAll, size, toArray, toArray

Methods inherited from interface net.walend.collection.HasState

getPrincipleInterface, sameStateAs

Field Detail

EMPTY

public static final Bag EMPTY

Method Detail

countObjects

public int countObjects(java.lang.Object inBag)

Returns the count of objects in the bag.

sameContentsAs

public boolean sameContentsAs(Bag bag)

Returns true if this contains the same numbers of the same objects as bag.