static FinalizableReferenceQueue createAndStart() {
FinalizableReferenceQueue queue = new FinalizableReferenceQueue();
queue.start();
return queue;
}
WeakValueReference(Object keyReference, Object value) {
super(value, FinalizableReferenceQueue.getInstance());
this.keyReference = keyReference;
}
public FinalizableWeakReference(T referent) {
super(referent, FinalizableReferenceQueue.getInstance());
}
WeakKeyReference(Object key) {
super(key, FinalizableReferenceQueue.getInstance());
this.hashCode = System.identityHashCode(key);
}
/**
* Constructs a new finalizable weak reference.
*
* @param referent to weakly reference
* @param queue that should finalize the referent
*/
protected FinalizableWeakReference(T referent, FinalizableReferenceQueue queue) {
super(referent, queue.queue);
queue.cleanUp();
}