public class TypedBag extends Object
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.
| Modifier | Constructor and Description |
|---|---|
protected |
TypedBag()
Restrictive constructor.
|
public static Bag decorate(Bag bag, Class type)
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 nullIllegalArgumentException - if bag or type is nullIllegalArgumentException - if the bag contains invalid elementsCopyright © 2001–2015 The Apache Software Foundation. All rights reserved.