org.apache.commons.collections.bag
Class TypedBag
java.lang.Object
org.apache.commons.collections.bag.TypedBag
public class TypedBag
extends java.lang.Object
Decorates another
Bag
to validate that elements added
are of a specific type.
The validation of additions is performed via an instanceof test against
a specified
Class
. If an object cannot be added to the
collection, an IllegalArgumentException is thrown.
$Revision: 1.6 $ $Date: 2004/05/15 12:27:04 $- Stephen Colebourne
- Matthew Hawthorne
static Bag | decorate(Bag bag, Class type) - Factory method to create a typed bag.
|
TypedBag
protected TypedBag()
Restrictive constructor.
decorate
public static Bag decorate(Bag bag,
Class type)
Factory method to create a typed bag.
If there are any elements already in the bag being decorated, they
are validated.
bag
- the bag to decorate, must not be nulltype
- the type to allow into the bag, must not be null
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