/**
* Returns a pointer to the object referenced by this Ref. If the object has been thrown away by
* the garbage collector, it will be reconstituted. This method does everything necessary to
* ensure that the garbage collector throws things away in Least Recently Used(LRU) order.
* Applications should never override this method. The get() method effectively caches calls to
* reconstitute().
*/
public synchronized Object get() {
Object t = check();
if (t == null) {
t = reconstitute();
setThing(t);
}
return t;
}
/** Constructs a new Ref that initially points to thing. */
public Ref(Object thing) {
setThing(thing);
}