Autofac-注册交易

时间:2018-12-26 06:06:12

标签: c# design-patterns autofac unit-of-work

让我们从我的Architech开始。我将尽可能地简化我的代码。如果我完全混在一起,请警告我。

IUnitOfWork

participant

UnitOfWork

public interface IUnitOfWork<T> : IDisposable
{
    IEntityRepository<T> Repository { get; }
    void Commit();
}

RepositoryBase

public class UnitOfWork<T> : IUnitOfWork<T>
{
    private IDbConnection _Connection;
    private IDbTransaction _Transaction;

    public IRepository<T> Repository { get; private set; }

    public UnitOfWork(IDbConnection Connection, IRepository<T> Repository)
    {
        _Connection = Connection;
        this.Repository = Repository;
         _Transaction = _Connection.BeginTransaction();
    }
}

TestDAL

public abstract class RepositoryBase<T> : IRepository<T>
{
    protected IDbTransaction Transaction;
    protected IDbConnection Connection { get { return Transaction.Connection; } }

    public RepositoryBase(IDbTransaction transaction)
    {
        Transaction = transaction;
    }
}

TestService(BLL)

public class TestDAL : RepositoryBase<Test>, ITestDAL
{
    public DpTestDAL(IDbTransaction transaction) : base(transaction) {}
}

以及我的autofac配置。

public class TestService : ITestService
{
    private IUnitOfWork<Test> uow;
    public TestService(IUnitOfWork<Test> unitOfWork)
    {
        uow = unitOfWork;
    }
    public List<Test> GetAll()
    {
        return uow.Repository.GetAll().ToList();
    }
}

我是这种架构的新手,并尝试自己的事情。请告诉我是否有问题或完全错误。

我的问题是,我需要将IDbTransaction传递给数据访问类构造器。当我不注册IDbTransaction接口时,异常是“无法解析参数”,当我尝试在OracleTransaction中注册时,异常是“ OracleTransaction”没有公共构造函数。我在哪里混的?

1 个答案:

答案 0 :(得分:1)

由于OracleTransaction没有公共构造函数,因此可以使用IDbConnection创建如下所示的对象,

builder.Register(c =>
{
     var conn = c.Resolve<IDbConnection>();
     return conn.BeginTransaction(IsolationLevel.ReadCommitted);
});

以上是如何为用例进行注册的示例。