org.jruby.util.collections

Class WeakValuedMap<Key,Value>

java.lang.Object

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

Direct Known Subclasses:

WeakValuedIdentityMap

public class WeakValuedMap<Key,Value>
extends java.lang.Object

Map-like that holds its values weakly (backed by a concurrent hash map).

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
protected static class	WeakValuedMap.KeyedReference<Key,Value>

Field Summary

Fields

Modifier and Type	Field and Description
private java.lang.ref.ReferenceQueue<Value>	deadRefs
private java.util.Map<Key,WeakValuedMap.KeyedReference<Key,Value>>	map

Constructor Summary

Constructors

Constructor and Description
WeakValuedMap()

Method Summary

Modifier and Type	Method and Description
private void	cleanReferences()
Value	get(Key key)
protected java.util.Map<Key,WeakValuedMap.KeyedReference<Key,Value>>	newMap()
void	put(Key key, Value value)

Methods inherited from class java.lang.Object

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

Field Detail

map

private final java.util.Map<Key,WeakValuedMap.KeyedReference<Key,Value>> map

deadRefs

private final java.lang.ref.ReferenceQueue<Value> deadRefs

Constructor Detail

WeakValuedMap

public WeakValuedMap()

Method Detail

put

public final void put(Key key,
                      Value value)

get

public final Value get(Key key)

newMap

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

cleanReferences

private void cleanReferences()