private void putLooseRef(LooseRef ref) {
RefList<LooseRef> cList, nList;
do {
cList = looseRefs.get();
nList = cList.put(ref);
} while (!looseRefs.compareAndSet(cList, nList));
modCnt.incrementAndGet();
fireRefsChanged();
}
/**
* Obtain a modified copy of the cache with a ref stored.
*
* <p>This cache instance is not modified by this method.
*
* @param ref reference to add or replace.
* @return a copy of this cache, with the reference added or replaced.
*/
public RefCache put(Ref ref) {
RefList<Ref> newIds = this.ids.put(ref);
RefList<Ref> newSym = this.sym;
if (ref.isSymbolic()) {
newSym = newSym.put(ref);
} else {
int p = newSym.find(ref.getName());
if (0 <= p) newSym = newSym.remove(p);
}
return new RefCache(newIds, newSym);
}
void stored(String refName, RefData newData) {
DhtRef ref = fromData(refName, newData);
RefCache oldCache, newCache;
do {
oldCache = cache.get();
if (oldCache == null) return;
RefList<DhtRef> ids = oldCache.ids.put(ref);
RefList<DhtRef> sym = oldCache.sym;
if (ref.isSymbolic()) {
sym = sym.put(ref);
} else {
int p = sym.find(refName);
if (0 <= p) sym = sym.remove(p);
}
newCache = new RefCache(ids, sym, oldCache.hints);
} while (!cache.compareAndSet(oldCache, newCache));
}