Class AbstractBagDecorator<E>
- java.lang.Object
-
- org.apache.commons.collections4.collection.AbstractCollectionDecorator<E>
-
- org.apache.commons.collections4.bag.AbstractBagDecorator<E>
-
- Type Parameters:
E
- the type of elements in this bag
- All Implemented Interfaces:
java.io.Serializable
,java.lang.Iterable<E>
,java.util.Collection<E>
,Bag<E>
- Direct Known Subclasses:
AbstractSortedBagDecorator
,CollectionBag
,UnmodifiableBag
public abstract class AbstractBagDecorator<E> extends AbstractCollectionDecorator<E> implements Bag<E>
Decorates anotherBag
to provide additional behaviour.Methods are forwarded directly to the decorated bag.
- Since:
- 3.0
- See Also:
- Serialized Form
-
-
Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description boolean
add(E object, int count)
AddsnCopies
copies of the specified object to the Bag.boolean
equals(java.lang.Object object)
int
getCount(java.lang.Object object)
Returns the number of occurrences (cardinality) of the given object currently in the bag.int
hashCode()
boolean
remove(java.lang.Object object, int count)
RemovesnCopies
copies of the specified object from the Bag.java.util.Set<E>
uniqueSet()
Returns aSet
of unique elements in the Bag.-
Methods inherited from class org.apache.commons.collections4.collection.AbstractCollectionDecorator
add, addAll, clear, contains, containsAll, isEmpty, iterator, remove, removeAll, removeIf, retainAll, size, toArray, toArray, toString
-
Methods inherited from interface org.apache.commons.collections4.Bag
add, containsAll, iterator, remove, removeAll, retainAll, size
-
-
-
-
Method Detail
-
equals
public boolean equals(java.lang.Object object)
- Specified by:
equals
in interfacejava.util.Collection<E>
- Overrides:
equals
in classjava.lang.Object
-
hashCode
public int hashCode()
- Specified by:
hashCode
in interfacejava.util.Collection<E>
- Overrides:
hashCode
in classjava.lang.Object
-
getCount
public int getCount(java.lang.Object object)
Description copied from interface:Bag
Returns the number of occurrences (cardinality) of the given object currently in the bag. If the object does not exist in the bag, return 0.
-
add
public boolean add(E object, int count)
Description copied from interface:Bag
AddsnCopies
copies of the specified object to the Bag.If the object is already in the
Bag.uniqueSet()
then increment its count as reported byBag.getCount(Object)
. Otherwise add it to theBag.uniqueSet()
and report its count asnCopies
.
-
remove
public boolean remove(java.lang.Object object, int count)
Description copied from interface:Bag
RemovesnCopies
copies of the specified object from the Bag.If the number of copies to remove is greater than the actual number of copies in the Bag, no error is thrown.
-
-