@Override
public ScanResult next() {
ExponentialBackoff.Scan backoff =
new ExponentialBackoff.Scan(request, delegate, lastConsumedCapacity);
ScanResult result = null;
try {
result = backoff.runWithBackoff(); // this will be non-null or runWithBackoff throws
} catch (BackendException e) {
throw new BackendRuntimeException(e);
}
if (result.getConsumedCapacity() != null) {
lastConsumedCapacity = result.getConsumedCapacity().getCapacityUnits().intValue();
}
if (result.getLastEvaluatedKey() != null && !result.getLastEvaluatedKey().isEmpty()) {
hasNext = true;
request.setExclusiveStartKey(result.getLastEvaluatedKey());
} else {
hasNext = false;
}
return result;
}
