public class TypedMap
extends java.lang.Object
Map 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.
Note that TypedMap is not synchronized and is not thread-safe.
If you wish to use this map from multiple threads concurrently, you must use
appropriate synchronization. The simplest approach is to wrap this map
using Collections.synchronizedMap(Map). This class may throw
exceptions when accessed by concurrent threads without synchronization.
The returned implementation is Serializable from Commons Collections 3.1.
| Modifier | Constructor and Description |
|---|---|
protected |
TypedMap()
Restrictive constructor.
|
| Modifier and Type | Method and Description |
|---|---|
static java.util.Map |
decorate(java.util.Map map,
java.lang.Class keyType,
java.lang.Class valueType)
Factory method to create a typed map.
|
public static java.util.Map decorate(java.util.Map map,
java.lang.Class keyType,
java.lang.Class valueType)
If there are any elements already in the map being decorated, they are validated.
map - the map to decorate, must not be nullkeyType - the type to allow as keys, must not be nullvalueType - the type to allow as values, must not be nulljava.lang.IllegalArgumentException - if list or type is nulljava.lang.IllegalArgumentException - if the list contains invalid elementsCopyright © 2001-2025 Apache Software Foundation. All Rights Reserved.