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java.lang.Objectorg.apache.commons.collections.collection.TypedCollection
public class TypedCollection
Decorates a 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.
| Constructor Summary | |
|---|---|
protected |
TypedCollection()
Restrictive constructor. |
| Method Summary | |
|---|---|
static java.util.Collection |
decorate(java.util.Collection coll,
java.lang.Class type)
Factory method to create a typed collection. |
| Methods inherited from class java.lang.Object |
|---|
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
| Constructor Detail |
|---|
protected TypedCollection()
| Method Detail |
|---|
public static java.util.Collection decorate(java.util.Collection coll,
java.lang.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 null
java.lang.IllegalArgumentException - if collection or type is null
java.lang.IllegalArgumentException - if the collection contains invalid elements
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