public async Task <Either <RiakException, RiakCounterResult> > GetCounter(string bucket, string counter, RiakCounterGetOptions options = null)
{
if (!IsValidBucketOrKey(bucket))
{
return(new Either <RiakException, RiakCounterResult>(new RiakException((uint)ResultCode.InvalidRequest, InvalidBucketErrorMessage, false)));
}
if (!IsValidBucketOrKey(counter))
{
return(new Either <RiakException, RiakCounterResult>(new RiakException((uint)ResultCode.InvalidRequest, InvalidKeyErrorMessage, false)));
}
var request = new RpbCounterGetReq {
bucket = bucket.ToRiakString(), key = counter.ToRiakString()
};
options = options ?? new RiakCounterGetOptions();
options.Populate(request);
try
{
var result = await _connection.PbcWriteRead <RpbCounterGetReq, RpbCounterGetResp>(_endPoint, request).ConfigureAwait(false);
var riakObject = new RiakObject(bucket, counter, result.returnvalue);
long cVal;
var parseResult = long.TryParse(riakObject.Value.FromRiakString(), out cVal);
return(new Either <RiakException, RiakCounterResult>(new RiakCounterResult(riakObject, parseResult ? (long?)cVal : null)));
}
catch (RiakException riakException)
{
return(new Either <RiakException, RiakCounterResult>(riakException));
}
}
/// <summary>
/// get counter
/// </summary>
/// <param name="bucket"></param>
/// <param name="key"></param>
/// <param name="setOptions"></param>
/// <param name="millisecondsReceiveTimeout"></param>
/// <param name="asyncState"></param>
/// <returns></returns>
public Task <long?> GetCounter(string bucket,
byte[] key,
Action <CounterGetOptions> setOptions = null,
int millisecondsReceiveTimeout = 3000,
object asyncState = null)
{
var source = new TaskCompletionSource <long?>(asyncState);
var req = new RpbCounterGetReq {
bucket = bucket.GetBytes(), key = key
};
if (setOptions != null)
{
setOptions(new CounterGetOptions(req));
}
this._socket.Execute <RpbCounterGetReq, RpbCounterGetResp>(Codes.CounterGetReq, Codes.CounterGetResp, req,
ex => source.TrySetException(ex),
response =>
{
if (response == null)
{
source.TrySetResult(null);
}
else
{
source.TrySetResult(response.returnvalue);
}
}, millisecondsReceiveTimeout);
return(source.Task);
}
internal void Populate(RpbCounterGetReq request)
{
if (R != null)
{
request.r = R;
}
if (Pr != null)
{
request.pr = Pr;
}
if (BasicQuorum.HasValue)
{
request.basic_quorum = BasicQuorum.Value;
}
if (NotFoundOk.HasValue)
{
request.notfound_ok = NotFoundOk.Value;
}
}
