public RemoteProcedureCall SubmitRemoteProcedureCallRequest(RemoteProcedureCall remoteProcedureCall)
{
using var commandWrapper = new ModelsDatabaseCommandWrapper(connectionDetails.ConnectionString);
var sqlCommand = commandWrapper.Command;
sqlCommand.CommandText =
"INSERT INTO RemoteProcedureCalls (remote_procedure_name, execution_context, arguments) " +
"OUTPUT Inserted.request_id, Inserted.request_status " +
"VALUES (@remoteProcedureName, @executionContext, @arguments)";
sqlCommand.Parameters.Add(new SqlParameter("@remoteProcedureName", System.Data.SqlDbType.Text, remoteProcedureCall.RemoteProcedureName.Length)).Value = remoteProcedureCall.RemoteProcedureName;
sqlCommand.Parameters.Add(new SqlParameter("@executionContext", System.Data.SqlDbType.Text, remoteProcedureCall.ExecutionContextJsonString.Length)).Value = remoteProcedureCall.ExecutionContextJsonString;
sqlCommand.Parameters.Add(new SqlParameter("@arguments", System.Data.SqlDbType.Text, remoteProcedureCall.ArgumentsJsonString.Length)).Value = remoteProcedureCall.ArgumentsJsonString;
sqlCommand.Prepare();
var dataReader = sqlCommand.ExecuteReader();
dataReader.Read();
remoteProcedureCall.RequestId = (Guid)dataReader.GetValue(0);
string statusString = (string)dataReader.GetValue(1);
remoteProcedureCall.SetStatus(statusString);
return(remoteProcedureCall);
}
/// <summary>
/// Creates a new optimizer record in the ModelsDatabase.
/// </summary>
/// <param name="optimizer">Optimizer object containing its configuration and search space.
/// some worker can instantiate this type of model and that the configuration is valid.
/// </param>
/// <returns></returns>
public Optimizer CreateNewOptimizer(Optimizer optimizer)
{
if (connectionDetails == null)
{
return(null);
}
using var commandWrapper = new ModelsDatabaseCommandWrapper(connectionDetails.ConnectionString);
var sqlCommand = commandWrapper.Command;
sqlCommand.CommandText =
"INSERT INTO Optimizers(optimizer_type, optimization_problem) " +
"OUTPUT Inserted.optimizer_id " +
"VALUES(@optimizerType, @optimizationProblem)";
string optimizerType = Enum.GetName(typeof(Optimizer.RemoteOptimizerType), optimizer.OptimizerType);
sqlCommand.Parameters.Add(new SqlParameter("@optimizerType", System.Data.SqlDbType.Text, optimizerType.Length)).Value = optimizerType;
sqlCommand.Parameters.Add(new SqlParameter("@optimizationProblem", System.Data.SqlDbType.Text, optimizer.OptimizationProblemJsonString.Length)).Value = optimizer.OptimizationProblemJsonString;
sqlCommand.Prepare();
using var dataReader = sqlCommand.ExecuteReader();
dataReader.Read();
optimizer.OptimizerId = (Guid)dataReader.GetValue(0);
return(optimizer);
}
public RemoteProcedureCall GetUpdatedRPCRequestStatus(RemoteProcedureCall remoteProcedureCall)
{
using var commandWrapper = new ModelsDatabaseCommandWrapper(connectionDetails.ConnectionString);
var sqlCommand = commandWrapper.Command;
// TODO: add the timeout. Also add a timeout to connection open.
//
sqlCommand.CommandText = "SELECT request_status, result FROM RemoteProcedureCalls WHERE request_id = @requestId";
sqlCommand.Parameters.Add(new SqlParameter("@requestId", System.Data.SqlDbType.UniqueIdentifier)).Value = remoteProcedureCall.RequestId;
sqlCommand.Prepare();
using var dataReader = sqlCommand.ExecuteReader();
dataReader.Read();
remoteProcedureCall.SetStatus((string)dataReader.GetValue(0));
if (!dataReader.IsDBNull(1))
{
remoteProcedureCall.ResultJsonString = (string)dataReader.GetValue(1);
}
return(remoteProcedureCall);
}