at.molindo.utils.collections
Class ClassMap<V>

java.lang.Object
  java.util.AbstractMap<K,V>
      java.util.WeakHashMap<Class<?>,V>
          at.molindo.utils.collections.ClassMap<V>

Type Parameters:

V - value type

All Implemented Interfaces:

Map<Class<?>,V>

public class ClassMap<V>
extends WeakHashMap<Class<?>,V>

A specialized WeakHashMap that ads the find(Class) method to find mappings for superclasses.

Author:

stf

Nested Class Summary

Nested classes/interfaces inherited from class java.util.AbstractMap

AbstractMap.SimpleEntry<K,V>, AbstractMap.SimpleImmutableEntry<K,V>

Constructor Summary

ClassMap()

ClassMap(int initialCapacity)

ClassMap(int initialCapacity, float loadFactor)

ClassMap(Map<? extends Class<?>,? extends V> m)

Method Summary

static <V> ClassMap<V>	create()
static <V> ClassMap<V>	create(int initialCapacity)
static <V> ClassMap<V>	create(int initialCapacity, float loadFactor)
static <V> ClassMap<V>	create(Map<? extends Class<?>,? extends V> m)
V	find(Class<?> cls)

Methods inherited from class java.util.WeakHashMap

clear, containsKey, containsValue, entrySet, get, isEmpty, keySet, put, putAll, remove, size, values

Methods inherited from class java.util.AbstractMap

clone, equals, hashCode, toString

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface java.util.Map

equals, hashCode

Constructor Detail

ClassMap

public ClassMap()

See Also:

WeakHashMap.WeakHashMap()

ClassMap

public ClassMap(int initialCapacity,
                float loadFactor)

See Also:

WeakHashMap.WeakHashMap(int, float)

ClassMap

public ClassMap(int initialCapacity)

See Also:

WeakHashMap.WeakHashMap(int)

ClassMap

public ClassMap(Map<? extends Class<?>,? extends V> m)

See Also:

WeakHashMap.WeakHashMap(Map)

Method Detail

create

public static <V> ClassMap<V> create()

See Also:

ClassMap()

create

public static <V> ClassMap<V> create(int initialCapacity,
                                     float loadFactor)

See Also:

ClassMap(int, float)

create

public static <V> ClassMap<V> create(int initialCapacity)

See Also:

ClassMap(int)

create

public static <V> ClassMap<V> create(Map<? extends Class<?>,? extends V> m)

See Also:

ClassMap(Map)

find

public V find(Class<?> cls)

Returns:

first mapping for cls or one of its superclasses.