private static void SetInValueInternal <TValue, TKey>(this DB2ParametersWrapper <TKey> paramWrapper, TKey key, TValue?[] value, ParameterDirection pDir = ParameterDirection.Input)
where TValue : struct, IConvertible
{
var valuesContainsNull = new object[value.Length];
for (int i = 0; i < value.Length; i++)
{
valuesContainsNull[i] = (object)value[i] ?? DBNull.Value;
}
SetInValueInternal <TValue, TKey>(paramWrapper, key, valuesContainsNull, pDir);
}
private static void SetOutValueInternal <TKey>(this DB2ParametersWrapper <TKey> paramWrapper, TKey key, TypeCode typeCode)
{
var p = new DB2Parameter
{
Direction = ParameterDirection.Output,
ParameterName = "@par_" + key
};
switch (typeCode)
{
case TypeCode.Int16:
p.DB2Type = DB2Type.SmallInt;
break;
case TypeCode.Int32:
p.DB2Type = DB2Type.Integer;
break;
case TypeCode.Int64:
p.DB2Type = DB2Type.Int8;
break;
case TypeCode.Decimal:
p.DB2Type = DB2Type.Decimal;
break;
case TypeCode.Double:
p.DB2Type = DB2Type.Double;
break;
case TypeCode.String:
p.DB2Type = DB2Type.VarChar;
break;
case TypeCode.DateTime:
p.DB2Type = DB2Type.Date;
break;
default:
throw new ArgumentException("Error to map specified type to an DB2Type.");
}
paramWrapper[key] = p;
}
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;
}
}
private static void SetNullValueInternal <TKey>(this DB2ParametersWrapper <TKey> paramWrapper, TKey key, TypeCode typeCode, ParameterDirection pDir = ParameterDirection.Input)
{
switch (typeCode)
{
case TypeCode.Int16:
SetInValueInternal(paramWrapper, key, (short?)null, pDir);
break;
case TypeCode.Int32:
SetInValueInternal(paramWrapper, key, (int?)null, pDir);
break;
case TypeCode.Int64:
SetInValueInternal(paramWrapper, key, (long?)null, pDir);
break;
case TypeCode.Double:
SetInValueInternal(paramWrapper, key, (double?)null, pDir);
break;
case TypeCode.Decimal:
SetInValueInternal(paramWrapper, key, (decimal?)null, pDir);
break;
case TypeCode.String:
SetInValueInternal(paramWrapper, key, string.Empty, pDir);
break;
case TypeCode.DateTime:
SetInValueInternal(paramWrapper, key, (DateTime?)null, pDir);
break;
default:
throw new ArgumentException("Error to map specified type to an DB2Type.");
}
}
private static T GetValueInternal <TKey, T>(this DB2ParametersWrapper <TKey> paramWrapper, TKey key) => (T)GetValue(paramWrapper, key, Type.GetTypeCode(typeof(T)));
public static TimeSpan GetTimeSpan <TKey>(this DB2ParametersWrapper <TKey> paramWrapper, TKey key) => GetValueInternal <TKey, TimeSpan>(paramWrapper, key);
public static DateTime GetDateTime <TKey>(this DB2ParametersWrapper <TKey> paramWrapper, TKey key) => GetValueInternal <TKey, DateTime>(paramWrapper, key);
public static void SetClob <TKey>(this DB2ParametersWrapper <TKey> paramWrapper, TKey key, string value) => SetInValueInternalWithOdbType(paramWrapper, key, value as object, DB2Type.Clob);
public static void SetString <TKey>(this DB2ParametersWrapper <TKey> paramWrapper, TKey key, string[] value) => SetInValueInternal <string, TKey>(paramWrapper, key, value);
public static void SetLong <TKey>(this DB2ParametersWrapper <TKey> paramWrapper, TKey key, long?[] value) => SetInValueInternal(paramWrapper, key, value);
public static void SetShort <TKey>(this DB2ParametersWrapper <TKey> paramWrapper, TKey key, short?[] value) => SetInValueInternal(paramWrapper, key, value);
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;
}
}
private static void SetInValueInternal <TValue, TKey>(this DB2ParametersWrapper <TKey> paramWrapper, TKey key, TValue value, ParameterDirection pDir = ParameterDirection.Input) => SetInValueInternal <TValue, TKey>(paramWrapper, key, value as object, pDir);
private static void SetInValueInternal <TValue, TKey>(this DB2ParametersWrapper <TKey> paramWrapper, TKey key, TValue?value, ParameterDirection pDir = ParameterDirection.Input)
where TValue : struct, IConvertible
=> SetInValueInternal <TValue, TKey>(paramWrapper, key, value as object, pDir);
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"));
}
}
/// <summary> /// Register a <see cref="DB2Parameter"/> with <see cref="DB2Parameter.Direction"/> out and as return type the <paramref name="typeCode"/>. /// Any binded parameter with <paramref name="key"/> will be replaced. /// </summary> /// <typeparam name="TKey"></typeparam> /// <param name="paramWrapper"></param> /// <param name="key"></param> /// <param name="typeCode"></param> public static void RegisterOutParameter <TKey>(this DB2ParametersWrapper <TKey> paramWrapper, TKey key, TypeCode typeCode) => SetOutValueInternal(paramWrapper, key, typeCode);
public static void SetInt <TKey>(this DB2ParametersWrapper <TKey> paramWrapper, TKey key, int[] value) => SetInValueInternal <int, TKey>(paramWrapper, key, value);
public static short GetShort <TKey>(this DB2ParametersWrapper <TKey> paramWrapper, TKey key) => GetValueInternal <TKey, short>(paramWrapper, key);
public static void SetDouble <TKey>(this DB2ParametersWrapper <TKey> paramWrapper, TKey key, double[] value) => SetInValueInternal <double, TKey>(paramWrapper, key, value);
public static int GetInt <TKey>(this DB2ParametersWrapper <TKey> paramWrapper, TKey key) => GetValueInternal <TKey, int>(paramWrapper, key);
public static void SetDateTime <TKey>(this DB2ParametersWrapper <TKey> paramWrapper, TKey key, DateTime?[] value) => SetInValueInternal(paramWrapper, key, value);
public static string GetString <TKey>(this DB2ParametersWrapper <TKey> paramWrapper, TKey key) => GetValueInternal <TKey, string>(paramWrapper, key);
public static void SetBlob <TKey>(this DB2ParametersWrapper <TKey> paramWrapper, TKey key, byte[][] value) => SetInValueInternalWithOdbType(paramWrapper, key, value, DB2Type.Blob);
/// <summary> /// Set parameter null value. /// </summary> /// <typeparam name="TKey"></typeparam> /// <param name="paramWrapper"></param> /// <param name="key"></param> /// <param name="typeCode"></param> public static void SetNull <TKey>(this DB2ParametersWrapper <TKey> paramWrapper, TKey key, TypeCode typeCode) => SetNullValueInternal(paramWrapper, key, typeCode);
