org.apache.commons.collections
Interface SortedBag

All Superinterfaces:

Bag, java.util.Collection, java.lang.Iterable

All Known Implementing Classes:

AbstractSortedBagDecorator, PredicatedSortedBag, SynchronizedSortedBag, TransformedSortedBag, TreeBag, TreeBag, UnmodifiableSortedBag

public interface SortedBag
extends Bag

Defines a type of Bag that maintains a sorted order among its unique representative members.

Since:

Commons Collections 2.0

Version:

$Revision: 646777 $ $Date: 2008-04-10 13:33:15 +0100 (Thu, 10 Apr 2008) $

Author:

Chuck Burdick

Method Summary

java.util.Comparator	comparator() Returns the comparator associated with this sorted set, or null if it uses its elements' natural ordering.
java.lang.Object	first() Returns the first (lowest) member.
java.lang.Object	last() Returns the last (highest) member.

Methods inherited from interface org.apache.commons.collections.Bag

add, add, containsAll, getCount, iterator, remove, remove, removeAll, retainAll, size, uniqueSet

Methods inherited from interface java.util.Collection

addAll, clear, contains, equals, hashCode, isEmpty, toArray, toArray

Method Detail

comparator

java.util.Comparator comparator()

Returns the comparator associated with this sorted set, or null if it uses its elements' natural ordering.

Returns:

the comparator in use, or null if natural ordering

first

java.lang.Object first()

Returns the first (lowest) member.

Returns:

the first element in the sorted bag

last

java.lang.Object last()

Returns the last (highest) member.

Returns:

the last element in the sorted bag