/// <summary>
/// Constructs a new primitive store attribute with the given primitive type, column name and auto conversion option.
/// </summary>
/// <param name="primitive_type">The primitive type to store.</param>
/// <param name="p_column_name">The name of the column to store the data in.</param>
/// <param name="auto_convert">Whether the field this attribute is associated with should be automatically converted to the given primitive type.</param>
/// <param name="store_options">Specifies how the data should be loaded.</param>
public CPrimitiveAttribute(EDBPrimitive primitive_type, String p_column_name, Boolean auto_convert, EStoreOptions store_options)
{
switch (store_options)
{
case EStoreOptions.none:
throw new ArgumentException("ELoadOptions.none is not a valid option.");
case EStoreOptions.direct_assignment:
case EStoreOptions.user_callback:
break;
default:
throw new ArgumentException(store_options.ToString() + " is not a valid option.");
}
switch (primitive_type)
{
case EDBPrimitive.none:
throw new ArgumentException("EDBPrimitive.none is not a valid primitive-type to store data with.");
case EDBPrimitive.binary:
case EDBPrimitive.bit:
case EDBPrimitive.boolean:
case EDBPrimitive.@char:
case EDBPrimitive.@decimal:
case EDBPrimitive.@double:
case EDBPrimitive.@float:
case EDBPrimitive.int16:
case EDBPrimitive.int24:
case EDBPrimitive.int32:
case EDBPrimitive.int64:
case EDBPrimitive.int8:
case EDBPrimitive.uint16:
case EDBPrimitive.uint24:
case EDBPrimitive.uint32:
case EDBPrimitive.uint64:
case EDBPrimitive.uint8:
case EDBPrimitive.varbinary:
case EDBPrimitive.varchar:
case EDBPrimitive.date:
case EDBPrimitive.datetime:
case EDBPrimitive.time:
case EDBPrimitive.timestamp:
case EDBPrimitive.year:
case EDBPrimitive.text:
case EDBPrimitive.infer:
break;
default:
throw new ArgumentException(primitive_type.ToString() + " is not a valid primitive-type to store data with.");
}
m_primitive_type = primitive_type;
m_p_column_name = p_column_name;
m_auto_convert = auto_convert;
m_store_options = store_options;
}
internal static Object MakePrimitiveType(String p_value, EDBPrimitive db_primitive)
{
switch (db_primitive)
{
case EDBPrimitive.binary:
case EDBPrimitive.varbinary:
return(p_value.FromHexToBytes());
case EDBPrimitive.@char:
case EDBPrimitive.varchar:
case EDBPrimitive.text:
return(p_value);
case EDBPrimitive.int8:
return(SByte.Parse(p_value));
case EDBPrimitive.int16:
return(Int16.Parse(p_value));
case EDBPrimitive.int24:
case EDBPrimitive.int32:
case EDBPrimitive.year:
return(Int32.Parse(p_value));
case EDBPrimitive.int64:
return(Int64.Parse(p_value));
case EDBPrimitive.uint8:
return(Byte.Parse(p_value));
case EDBPrimitive.uint16:
return(UInt16.Parse(p_value));
case EDBPrimitive.uint24:
case EDBPrimitive.uint32:
return(UInt32.Parse(p_value));
case EDBPrimitive.uint64:
return(UInt64.Parse(p_value));
case EDBPrimitive.boolean:
return(Boolean.Parse(p_value));
case EDBPrimitive.date:
case EDBPrimitive.datetime:
case EDBPrimitive.time:
case EDBPrimitive.timestamp:
return(DateTime.Parse(p_value));
default:
throw new Exception("Cannot create a primitive type from " + db_primitive.ToString());
}
}
public static DbType ToDbType(this EDBPrimitive primitive_type)
{
switch (primitive_type)
{
case EDBPrimitive.binary:
case EDBPrimitive.varbinary:
return(DbType.Binary);
case EDBPrimitive.bit:
return(DbType.UInt64);
case EDBPrimitive.boolean:
return(DbType.Boolean);
case EDBPrimitive.@char:
return(DbType.StringFixedLength);
case EDBPrimitive.date:
return(DbType.Date);
case EDBPrimitive.datetime:
return(DbType.DateTime);
case EDBPrimitive.@decimal:
return(DbType.Decimal);
case EDBPrimitive.@double:
return(DbType.Double);
case EDBPrimitive.@float:
return(DbType.Single);
case EDBPrimitive.int16:
return(DbType.Int16);
case EDBPrimitive.int32:
return(DbType.Int32);
case EDBPrimitive.int64:
return(DbType.Int64);
case EDBPrimitive.int8:
return(DbType.SByte);
case EDBPrimitive.time:
return(DbType.Time);
case EDBPrimitive.timestamp:
return(DbType.DateTime);
case EDBPrimitive.uint16:
return(DbType.UInt16);
case EDBPrimitive.uint24:
return(DbType.UInt32);
case EDBPrimitive.uint32:
return(DbType.UInt32);
case EDBPrimitive.uint64:
return(DbType.UInt64);
case EDBPrimitive.uint8:
return(DbType.Byte);
case EDBPrimitive.varchar:
case EDBPrimitive.text:
return(DbType.String);
case EDBPrimitive.year:
return(DbType.Int32);
default:
throw new InvalidCastException("Cannot convert DBWizard's \"" + primitive_type.ToString() + "\" to a " + typeof(DbType).FullName + ".");
}
}