/// <summary>
/// Checks to see if The observed document was lost during a hard failover, because the document did not reach the replica in time.
/// </summary>
/// <param name="response">The <see cref="ObserveSeqno"/>response.</param>
/// <exception cref="DocumentMutationLostException">Thrown if the observed document was lost during
/// a hard failover because the document did not reach the replica in time.</exception>
public void CheckMutationLost(ObserveSeqnoResponse response)
{
if (response.IsHardFailover && response.LastSeqnoReceived < Token.SequenceNumber)
{
throw new DocumentMutationLostException(ExceptionUtil.DocumentMutationLostMsg);
}
}
/// <summary>
/// Determines whether the specified response has replicated,
/// increases the <see cref="_replicatedToCount"/> by one.
/// </summary>
/// <param name="response">The response.</param>
/// <returns></returns>
public void CheckReplicated(ObserveSeqnoResponse response)
{
var replicated = response.CurrentSeqno >= Token.SequenceNumber;
if (replicated)
{
Interlocked.Increment(ref _replicatedToCount);
}
}
/// <summary>
/// Determines whether the specified response has persisted and if it has,
/// increases the <see cref="_persistedToCount"/> by one.
/// </summary>
/// <param name="response">The response.</param>
/// <returns></returns>
public void CheckPersisted(ObserveSeqnoResponse response)
{
var persisted = response.LastPersistedSeqno >= Token.SequenceNumber;
if (persisted)
{
Interlocked.Increment(ref _persistedToCount);
}
}