Package org.jruby.util.collections

Class WeakValuedIdentityMap<Key,Value>

java.lang.Object

org.jruby.util.collections.WeakValuedMap<Key,Value>

org.jruby.util.collections.WeakValuedIdentityMap<Key,Value>

Type Parameters:

Key - key

Value - value

All Implemented Interfaces:

Serializable, Map<Key,Value>

public class WeakValuedIdentityMap<Key,Value>
extends WeakValuedMap<Key,Value>

Map-like that holds its values weakly and uses object identity for keys.

See Also:

• Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class org.jruby.util.collections.WeakValuedMap

WeakValuedMap.KeyedReference<Key,Value>

Nested classes/interfaces inherited from interface java.util.Map

Map.Entry<K,V>

Constructor Summary

Constructors

Constructor	Description
WeakValuedIdentityMap()

Method Summary

Modifier and Type	Method	Description
protected Map<Key,WeakValuedMap.KeyedReference<Key,Value>>	newMap()	Construct the backing store map for this WeakValuedMap.

Methods inherited from class org.jruby.util.collections.WeakValuedMap

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

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface java.util.Map

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

Constructor Details

WeakValuedIdentityMap

public WeakValuedIdentityMap()

Method Details

newMap

protected Map<Key,WeakValuedMap.KeyedReference<Key,Value>> newMap()

Description copied from class: WeakValuedMap

Construct the backing store map for this WeakValuedMap. It should be capable of safe concurrent read and write.

Overrides:

newMap in class WeakValuedMap<Key,Value>

Returns:

the backing store map