private static void ApplyConvention(MetaTable metaTable)
{
if (!metaTable.Columns.Any(c => c.IsKey))
{
var keyColumn = metaTable.Columns.FirstOrDefault(c => c.Member.Name.ToUpper() == "ID"
|| c.Member.Name.ToUpper() == (metaTable.EntityType.Name.ToUpper() + "ID"));
if (keyColumn == null)
return;
var memberDataType = GetMemberDataType(keyColumn.Member);
var canBeIdentity = memberDataType == typeof(byte)
|| memberDataType == typeof(uint)
|| memberDataType == typeof(int)
|| memberDataType == typeof(ulong)
|| memberDataType == typeof(long);
var isIdentity = canBeIdentity && (keyColumn.IsIdentity
|| keyColumn.Member.GetCustomAttribute<DatabaseGeneratedAttribute>() == null);
keyColumn.IsIdentity = isIdentity;
keyColumn.IsKey = true;
}
}
internal static MetaTable Create(Type entityType)
{
var tableAttr = GetTableAttribute(entityType);
var metaTable = new MetaTable
{
EntityType = entityType,
TableName = tableAttr.Name,
Schema = tableAttr.Schema,
Columns = (from m in entityType.GetMembers(BindingFlags.Public | BindingFlags.Instance)
where m.MemberType == MemberTypes.Field || m.MemberType == MemberTypes.Property
select MetaColumn.Create(m)).ToList()
};
ApplyConvention(metaTable);
return metaTable;
}