private byte[] getInternal(Tier tier, long hashCode) {
byte[] existingData;
/**
* Need SPIN to retrieve data from the underlying array because the index might have changed
* with the _split.
*/
// Map key to an array index
int index = tier.getMainIndex(hashCode, _level, _split);
do {
// Read existing data at the index
existingData = _dataArray.get(index);
// Check that key is still mapped to the known index
int indexNew = tier.getMainIndex(hashCode, _level, _split);
if (indexNew == index) break;
index = indexNew;
} while (true);
return existingData;
}
