我正在開發asp.net web API REST服務。我的數據存儲在MySQL關係數據庫中。在數據訪問層,我想使用Dapper微型ORM,所以我想創建一些我自己的ORM包裝方法。如果我決定在將來更改爲其他ORM,我不需要重寫我的整個DAL層代碼。Custom C#Dapper ORM wrapper
您如何看待我的方法?這裏是代碼:
public abstract class BaseORMCommandSettings //SQL command base class
{
public string CommandText { get; private set; }
public object Parameters { get; private set; }
public IDbTransaction Transaction { get; private set; }
public int? CommandTimeout { get; private set; }
public CommandType? CommandType { get; private set; }
public CancellationToken CancellationToken { get; private set; }
public BaseORMCommandSettings(string commandText, object parameters = null, IDbTransaction transaction = null, int? commandTimeout = null,
CommandType? commandType = null, CancellationToken cancellationToken = default(CancellationToken))
{
this.CommandText = commandText;
this.Parameters = parameters;
this.Transaction = transaction;
this.CommandTimeout = commandTimeout;
this.CommandType = commandType;
this.CancellationToken = cancellationToken;
}
}
public class DapperCommandSettings : BaseORMCommandSettings//dapper cmd impl
{
public CommandFlags Flags { get; private set; }
public DapperCommandSettings(string commandText, object parameters = null, IDbTransaction transaction = null, int? commandTimeout = null,
CommandType? commandType = null, CancellationToken cancellationToken = default(CancellationToken), CommandFlags flags = CommandFlags.Buffered)
:base(commandText, parameters, transaction, commandTimeout, commandType, cancellationToken)
{
this.Flags = flags;
}
}
public interface ICustomORM //base interface, for now have only generic Read
list method
{
IEnumerable<T> Read<T>(BaseORMCommandSettings cmd);
}
public class DapperORM : ICustomORM //my own dapper ORM wrapper implentation
{
private readonly IDbConnection con;
public DapperORM(IDbConnection con)
{
this.con = con;
}
public IEnumerable<T> Read<T>(BaseORMCommandSettings cmd)
{
var cmdDapper = cmd as DapperCommandSettings;
var dapperCmd = new CommandDefinition(cmdDapper.CommandText, cmdDapper.Parameters, cmdDapper.Transaction,
cmdDapper.CommandTimeout, cmdDapper.CommandType, cmdDapper.Flags,
cmdDapper.CancellationToken);
return con.Query<T>(dapperCmd);
}
}
在此先感謝您的任何幫助。
[SO]是不是代碼審查,或許你應該問上https://codereview.stackexchange.com/ – Richard
感謝的...爲你的答案。其實我想聽聽別人對我的代碼實現的看法,寫代碼,在那裏我可以很容易地,快速地改變我正在使用的技術......所以這更多的是關於設計而不是代碼評論。 – user2214626