private static void SetInValueInternalWithOdbType <TKey>(this DB2ParametersWrapper <TKey> paramWrapper, TKey key, object value, DB2Type odbType, ParameterDirection pDir = ParameterDirection.Input)
{
value = value ?? DBNull.Value;
//aggiorno
if (paramWrapper.ContainsKey(key))
{
paramWrapper[key].Value = value;
}
else
{
var p = new DB2Parameter
{
Direction = pDir,
ParameterName = "@par_" + key,
DB2Type = odbType,
Value = value,
};
paramWrapper[key] = p;
}
}
public static object GetValue <TKey>(this DB2ParametersWrapper <TKey> paramWrapper, TKey key, TypeCode type)
{
object value = null;
if (paramWrapper.ContainsKey(key))
{
switch (type)
{
case TypeCode.Int16:
if (paramWrapper[key].DB2Type != DB2Type.SmallInt)
{
ThrowArgumentException(key, paramWrapper[key].DB2Type);
}
value = ((short)(DB2Int16)paramWrapper[key].Value);
break;
case TypeCode.Int32:
if (paramWrapper[key].DB2Type != DB2Type.Integer)
{
ThrowArgumentException(key, paramWrapper[key].DB2Type);
}
value = ((int)(DB2Int32)paramWrapper[key].Value);
break;
case TypeCode.Int64:
if (paramWrapper[key].DB2Type != DB2Type.BigInt)
{
ThrowArgumentException(key, paramWrapper[key].DB2Type);
}
value = ((long)(DB2Int64)paramWrapper[key].Value);
break;
case TypeCode.Decimal:
if (paramWrapper[key].DB2Type != DB2Type.Decimal)
{
ThrowArgumentException(key, paramWrapper[key].DB2Type);
}
value = ((decimal)(DB2Decimal)paramWrapper[key].Value);
break;
case TypeCode.Double:
if (paramWrapper[key].DB2Type != DB2Type.Double)
{
ThrowArgumentException(key, paramWrapper[key].DB2Type);
}
value = ((double)(DB2Double)paramWrapper[key].Value);
break;
case TypeCode.String:
var odbType = paramWrapper[key].DB2Type;
if (odbType != DB2Type.Char ||
odbType != DB2Type.VarChar ||
odbType != DB2Type.Graphic ||
odbType != DB2Type.VarGraphic ||
odbType != DB2Type.Clob || //CLOB is a string
odbType != DB2Type.DbClob
)
{
ThrowArgumentException(key, paramWrapper[key].DB2Type);
}
value = ((string)(DB2String)paramWrapper[key].Value);
break;
case TypeCode.DateTime:
if (paramWrapper[key].DB2Type == DB2Type.Date)
{
value = ((DateTime)(DB2Date)paramWrapper[key].Value);
}
else if (paramWrapper[key].DB2Type == DB2Type.Timestamp)
{
value = (DateTime)((DB2TimeStamp)paramWrapper[key].Value);
}
else if (paramWrapper[key].DB2Type == DB2Type.Time)
{
value = (TimeSpan)((DB2Time)paramWrapper[key].Value);
}
else
{
ThrowArgumentException(key, paramWrapper[key].DB2Type);
}
break;
case TypeCode.DBNull:
//will return default value
break;
//IMPLEMENT OTHER TYPES HERE
default:
throw new ArgumentException($"Not a valid TypeCode {Enum.GetName(typeof(TypeCode), type)}");
}
return(value);
}
else
{
throw new DataException(string.Format($"Output parameter key {key} does not exist"));
}
}
private static void SetInValueInternal <TValue, TKey>(this DB2ParametersWrapper <TKey> paramWrapper, TKey key, object value, ParameterDirection pDir = ParameterDirection.Input)
{
value = value ?? DBNull.Value;
if (paramWrapper.ContainsKey(key))
{
paramWrapper[key].Value = value;
}
else
{
var p = new DB2Parameter
{
Direction = pDir,
ParameterName = "@par_" + key
};
var type = typeof(TValue);
switch (Type.GetTypeCode(type))
{
case TypeCode.Int16:
p.DB2Type = DB2Type.SmallInt;
p.Value = value;
break;
case TypeCode.Int32:
p.DB2Type = DB2Type.Integer;
p.Value = value;
break;
case TypeCode.Int64:
p.DB2Type = DB2Type.BigInt;
p.Value = value;
break;
case TypeCode.Decimal:
p.DB2Type = DB2Type.Decimal;
p.Value = value;
break;
case TypeCode.Double:
p.DB2Type = DB2Type.Double;
p.Value = value;
break;
case TypeCode.String:
p.DB2Type = DB2Type.VarChar;
p.Value = value;
break;
case TypeCode.DateTime:
p.DB2Type = DB2Type.Date;
p.Value = value;
break;
default:
throw new ArgumentException("Error to map specified type to an DB2Type.");
}
paramWrapper[key] = p;
}
}
