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

Constructors

Constructor and Description
ClassMap()
ClassMap(int initialCapacity)
ClassMap(int initialCapacity, float loadFactor)
ClassMap(Map<? extends Class<?>,? extends V> m)

Method Summary

Modifier and Type	Method and Description
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)
Map<Class<?>,V>	findAssignable(Class<?> cls)

Methods inherited from class java.util.WeakHashMap

clear, containsKey, containsValue, entrySet, forEach, get, isEmpty, keySet, put, putAll, remove, replaceAll, 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

compute, computeIfAbsent, computeIfPresent, equals, getOrDefault, hashCode, merge, putIfAbsent, remove, replace, replace

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.

findAssignable

public Map<Class<?>,V> findAssignable(Class<?> cls)

Returns:

a new map containing all keys that are assignabel from cls