Class AbstractSortedBagDecorator
- java.lang.Object
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- org.apache.commons.collections.collection.AbstractCollectionDecorator
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- org.apache.commons.collections.bag.AbstractBagDecorator
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- org.apache.commons.collections.bag.AbstractSortedBagDecorator
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- Direct Known Subclasses:
UnmodifiableSortedBag
public abstract class AbstractSortedBagDecorator extends AbstractBagDecorator implements SortedBag
Decorates anotherSortedBag
to provide additional behaviour.Methods are forwarded directly to the decorated bag.
- Since:
- Commons Collections 3.0
- Version:
- $Revision: 646777 $ $Date: 2008-04-10 14:33:15 +0200 (Thu, 10 Apr 2008) $
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Field Summary
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Fields inherited from class org.apache.commons.collections.collection.AbstractCollectionDecorator
collection
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Constructor Summary
Constructors Modifier Constructor Description protected
AbstractSortedBagDecorator()
Constructor only used in deserialization, do not use otherwise.protected
AbstractSortedBagDecorator(SortedBag bag)
Constructor that wraps (not copies).
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description 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.protected SortedBag
getSortedBag()
Gets the bag being decorated.java.lang.Object
last()
Returns the last (highest) member.-
Methods inherited from class org.apache.commons.collections.bag.AbstractBagDecorator
add, getBag, getCount, remove, uniqueSet
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Methods inherited from class org.apache.commons.collections.collection.AbstractCollectionDecorator
add, addAll, clear, contains, containsAll, equals, getCollection, hashCode, isEmpty, iterator, remove, removeAll, retainAll, size, toArray, toArray, toString
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Methods inherited from class java.lang.Object
clone, finalize, getClass, notify, notifyAll, wait, wait, wait
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Methods inherited from interface org.apache.commons.collections.Bag
add, add, containsAll, getCount, iterator, remove, remove, removeAll, retainAll, size, uniqueSet
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Constructor Detail
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AbstractSortedBagDecorator
protected AbstractSortedBagDecorator()
Constructor only used in deserialization, do not use otherwise.- Since:
- Commons Collections 3.1
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AbstractSortedBagDecorator
protected AbstractSortedBagDecorator(SortedBag bag)
Constructor that wraps (not copies).- Parameters:
bag
- the bag to decorate, must not be null- Throws:
java.lang.IllegalArgumentException
- if list is null
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Method Detail
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getSortedBag
protected SortedBag getSortedBag()
Gets the bag being decorated.- Returns:
- the decorated bag
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first
public java.lang.Object first()
Description copied from interface:SortedBag
Returns the first (lowest) member.
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last
public java.lang.Object last()
Description copied from interface:SortedBag
Returns the last (highest) member.
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comparator
public java.util.Comparator comparator()
Description copied from interface:SortedBag
Returns the comparator associated with this sorted set, or null if it uses its elements' natural ordering.- Specified by:
comparator
in interfaceSortedBag
- Returns:
- the comparator in use, or null if natural ordering
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