public Task ReleaseLease(DedupeClaim instance)
{
var previous = (DedupeClaimImp)instance;
var claim = previous;
claim.Revision++;
claim.LeaseExpiration = DateTime.MinValue;
if (!Items.TryUpdate(claim.MessageId, claim, previous))
{
throw new Exception($"Lease for {claim.MessageId} taken by other incoming message, possible more than once execution of message.");
}
return(Task.FromResult(0));
}
public Task CompleteLease(DedupeClaim instance)
{
var previous = (DedupeClaimImp)instance;
var claim = (DedupeClaimImp)instance;
claim.IsProcessed = true;
claim.Revision++;
claim.Timestamp = DateTime.UtcNow;
if (!Items.TryUpdate(claim.MessageId, claim, previous))
{
throw new Exception("Lease taken by other incoming message. Possible cause is processing duration exceeds lease duration. Possibly more than once execution of message id.");
}
return(Task.FromResult(0));
}
public async Task ReleaseLease(DedupeClaim instance)
{
var entity = (DedupeEntity)instance;
entity.LeaseExpiration = DateTime.MinValue;
var update = TableOperation.Replace(entity);
try
{
await Table.ExecuteAsync(update); // Don't need to do anything with the result, message processed again
}
catch (StorageException ex)
{
if (ex.RequestInformation.ExtendedErrorInformation.ErrorCode == TableErrorCodeStrings.UpdateConditionNotSatisfied)
{
throw new Exception($"Lease for {entity.PartitionKey} taken by other incoming message, possible more than once execution of message.");
}
}
}
public async Task CompleteLease(DedupeClaim instance)
{
var entity = (DedupeEntity)instance;
entity.IsProcessed = true;
var update = TableOperation.Replace(entity);
try
{
await Table.ExecuteAsync(update); // Don't need to do anything with the result, message processed again
}
catch (StorageException ex)
{
if (ex.RequestInformation.HttpStatusMessage == TableErrorCodeStrings.UpdateConditionNotSatisfied)
{
throw new Exception("Lease taken by other incoming message. Possible cause is processing duration exceeds lease duration. Possibly more than once execution of message id.");
}
}
}
