Example #1
0
        protected DbParameter ExecuteStoredProcedure(StoredProcedureRequest request, Action <DbDataReader> readAction, out List <DbParameter> outputParameters)
        {
            if (request == null)
            {
                throw new ArgumentNullException("request");
            }
            if (string.IsNullOrWhiteSpace(request.CommandText))
            {
                throw new ArgumentNullException("request.CommandText");
            }

            List <DbParameter> outParameters   = null;
            DbParameter        returnParameter = null;

            using (DbDataReader reader = CreateReader(request.CommandText, request.CommandTimeout, request.CommandType,
                                                      parameters =>
            {
                parameters.Derive(request.InputParameters);
                var dbParameters = parameters.Command.Parameters.OfType <DbParameter>();

                outParameters = dbParameters.Where(p => (p.Direction == ParameterDirection.InputOutput || p.Direction == ParameterDirection.Output) && !string.IsNullOrEmpty(p.ParameterName)).ToList();
                returnParameter = dbParameters.Where(p => p.Direction == ParameterDirection.ReturnValue).FirstOrDefault();
            }, 0))
            {
                if (readAction != null)
                {
                    readAction(reader);
                }
            }

            outputParameters = outParameters;

            return(returnParameter);
        }
Example #2
0
        object ICloneable.Clone()
        {
            StoredProcedureRequest cloneRequest = new StoredProcedureRequest();

            cloneRequest.CommandText    = this.CommandText;
            cloneRequest.CommandType    = this.CommandType;
            cloneRequest.CommandTimeout = this.CommandTimeout;

            if (this.InputParameters != null)
            {
                cloneRequest.InputParameters = new Dictionary <string, object>(this.InputParameters, StringComparer.OrdinalIgnoreCase);
            }

            return(cloneRequest);
        }
Example #3
0
        protected StoredProcedureResponse ExecuteStoredProcedure <T>(StoredProcedureRequest request) where T : IDictionary <string, object>, new()
        {
            StoredProcedureResponse spResponse = new StoredProcedureResponse(_DynamicObjectXmlSettings);
            List <DbParameter>      outputParameters;

            DbParameter returnParameter = ExecuteStoredProcedure(request, reader =>
            {
                bool isFirstResultSetVoid = false;

                do
                {
                    spResponse.ResultSets.Add(LoadDynamicData <T>(reader).ToList());

                    if (spResponse.ResultSets.Count == 1 && reader.FieldCount == 0)
                    {
                        isFirstResultSetVoid = true;
                    }
                } while (reader.NextResult());

                if (spResponse.ResultSets.Count == 1 && spResponse.ResultSets[0].Count == 0 && isFirstResultSetVoid)
                {
                    spResponse.ResultSets.Clear();
                }
            }, out outputParameters);

            if (outputParameters != null)
            {
                T expandoObject = new T();

                foreach (DbParameter op in outputParameters)
                {
                    expandoObject.Add(op.ParameterName.TrimParameterPrefix(), op.Value);
                }

                spResponse.OutputParameters = new BindableDynamicObject(expandoObject, _DynamicObjectXmlSettings);
            }

            if (returnParameter != null)
            {
                spResponse.ReturnValue = returnParameter.Value;
            }

            return(spResponse);
        }
Example #4
0
        public object ExecuteStoredProcedure(StoredProcedureRequest request, Action <int> exportResultSetStartTag,
                                             Action <DbDataReader> exportHeader, Action <DbDataReader> exportRow, Action <int> exportResultSetEndTag,
                                             IDictionary <string, object> outputParametersContainer, int[] resultSetChoices = null, bool bulkRead = false)
        {
            List <DbParameter> outputParameters;
            bool chooseSpecificResultSets = (resultSetChoices != null && resultSetChoices.Length > 0);
            bool chooseOnlyOneResultSet   = (resultSetChoices != null && resultSetChoices.Length == 1);

            DbParameter returnParameter = ExecuteStoredProcedure(request, reader =>
            {
                int resultSetIndex = 0;

                do
                {
                    if (chooseSpecificResultSets && !resultSetChoices.Contains(resultSetIndex))
                    {
                        continue;
                    }

                    if (exportResultSetStartTag != null)
                    {
                        exportResultSetStartTag(resultSetIndex);
                    }

                    if (exportHeader != null)
                    {
                        exportHeader(reader);
                    }

                    if (exportRow != null)
                    {
                        if (bulkRead)
                        {
                            exportRow(reader);
                        }
                        else
                        {
                            while (reader.Read())
                            {
                                exportRow(reader);
                            }
                        }
                    }

                    if (exportResultSetEndTag != null)
                    {
                        exportResultSetEndTag(resultSetIndex);
                    }

                    if (chooseOnlyOneResultSet)
                    {
                        break;
                    }
                } while (reader.NextResult() && ++resultSetIndex >= 0);
            }, out outputParameters);

            if (outputParameters != null && outputParametersContainer != null)
            {
                foreach (DbParameter op in outputParameters)
                {
                    outputParametersContainer.Add(op.ParameterName.TrimParameterPrefix(), op.Value);
                }
            }

            return((returnParameter == null) ? null : returnParameter.Value);
        }
Example #5
0
 public StoredProcedureResponse ExecuteStoredProcedure(StoredProcedureRequest request)
 {
     return(ExecuteStoredProcedure <ExpandoObject>(request));
 }