@Override
public T poll() {
long ci = consumerIndex;
int offset = (int) ci & mask;
T value = get(offset);
if (value == null) {
return null;
}
CONSUMER_INDEX.lazySet(this, ci + 1);
lazySet(offset, null);
return value;
}
@Override
public boolean offer(T value) {
if (value == null) {
throw new NullPointerException();
}
long pi = producerIndex;
int m = mask;
int fullCheck = (int) (pi + capacitySkip) & m;
if (get(fullCheck) != null) {
return false;
}
int offset = (int) pi & m;
PRODUCER_INDEX.lazySet(this, pi + 1);
lazySet(offset, value);
return true;
}
private void soConsumerIndex(long v) {
CONSUMER_INDEX.lazySet(this, v);
}
private void soProducerIndex(long v) {
PRODUCER_INDEX.lazySet(this, v);
}