public class TypedCollection extends Object
Collection 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 |
TypedCollection()
Restrictive constructor.
|
| Modifier and Type | Method and Description |
|---|---|
static Collection |
decorate(Collection coll,
Class type)
Factory method to create a typed collection.
|
public static Collection decorate(Collection coll, Class type)
If there are any elements already in the collection being decorated, they are validated.
coll - the collection to decorate, must not be nulltype - the type to allow into the collection, must not be nullIllegalArgumentException - if collection or type is nullIllegalArgumentException - if the collection contains invalid elementsCopyright © 2001–2015 The Apache Software Foundation. All rights reserved.