private string ReadAdvanced(string partitionId, string objectId, string serverId)
{
var request = new ReadAdvancedRequest {
PartitionId = partitionId, ObjectId = objectId
};
try {
var readResponse = _client.readAdvanced(request);
if (!readResponse.ObjectValue.Equals(ObjectNotPresent))
{
return(_previousStorage.GetAndUpdate(partitionId, objectId, readResponse));
}
//return readResponse.ObjectValue;
if (serverId.Equals("-1"))
{
return(_previousStorage.GetAndUpdate(partitionId, objectId));
}
var serverUrl = MapServerIdToUrl(serverId);
_client = BuildClientFromServerUrl(serverUrl);
var secondReadResponse = _client.readAdvanced(request);
if (secondReadResponse.ObjectValue.Equals(ObjectNotPresent))
{
return(_previousStorage.GetAndUpdate(partitionId, objectId));
}
return(_previousStorage.GetAndUpdate(partitionId, objectId, readResponse));
}
catch (RpcException e) {
ConnectToNewServer(partitionId);
Console.WriteLine("Error reading");
Console.WriteLine(e.Message);
return(ReadAdvanced(partitionId, objectId, serverId));
}
}
private ReadAdvancedResponse ReadAdvanced(ReadAdvancedRequest request)
{
Console.WriteLine("Received Read Request: " + request.ToString());
try {
var partitionId = request.PartitionId;
var objectId = request.ObjectId;
var partition = _storage.GetPartitionOrThrowException(partitionId);
var objectValue = _storage.ReadAdvanced(partitionId, objectId);
var response = new ReadAdvancedResponse {
ObjectValue = objectValue.value,
Timestamp = objectValue.timestampCounter
};
return(response);
}
catch (Exception) {
/*Partition not founded */
return(new ReadAdvancedResponse {
ObjectValue = "N/A"
});
}
}
readAdvanced(ReadAdvancedRequest request, ServerCallContext context)
{
_freezeUtilities.WaitForUnfreeze();
delayFunction();
return(Task.FromResult(ReadAdvanced(request)));
}