Package com.google.inject.internal

Class WeakKeySet

java.lang.Object

com.google.inject.internal.WeakKeySet

final class WeakKeySet
extends Object

Minimal set that doesn't hold strong references to the contained keys.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
private static final class	WeakKeySet.KeyAndSource

Field Summary

Fields

Modifier and Type	Field	Description
private Map<Key<?>,com.google.common.collect.Multiset<Object>>	backingMap
private final com.google.common.cache.Cache<State,Set<WeakKeySet.KeyAndSource>>	evictionCache	Tracks child injector lifetimes and evicts blacklisted keys/sources after the child injector is garbage collected.
private final Object	lock	This is already locked externally on add and getSources but we need it to handle clean up in the evictionCache's RemovalListener.

Constructor Summary

Constructors

Constructor	Description
WeakKeySet(Object lock)

Method Summary

Modifier and Type	Method	Description
void	add(Key<?> key, State state, Object source)
private void	cleanupOnRemoval(com.google.common.cache.RemovalNotification<State,Set<WeakKeySet.KeyAndSource>> notification)
boolean	contains(Key<?> key)
Set<Object>	getSources(Key<?> key)

Methods inherited from class java.lang.Object

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

Field Details

backingMap

private Map<Key<?>,com.google.common.collect.Multiset<Object>> backingMap

lock

private final Object lock

This is already locked externally on add and getSources but we need it to handle clean up in the evictionCache's RemovalListener.

evictionCache

private final com.google.common.cache.Cache<State,Set<WeakKeySet.KeyAndSource>> evictionCache

Tracks child injector lifetimes and evicts blacklisted keys/sources after the child injector is garbage collected.

Constructor Details

WeakKeySet

WeakKeySet(Object lock)

Method Details

cleanupOnRemoval

private void cleanupOnRemoval(com.google.common.cache.RemovalNotification<State,Set<WeakKeySet.KeyAndSource>> notification)

add

public void add(Key<?> key,
 State state,
 Object source)

contains

public boolean contains(Key<?> key)

getSources

public Set<Object> getSources(Key<?> key)