山东雷驰
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using Kean.Domain;
using Kean.Infrastructure.Database.Repository;
namespace Kean.Infrastructure.Repository
{
/// <summary>
/// 工作单元
/// </summary>
public sealed class UnitOfWork : IUnitOfWork
{
private readonly IDatabaseCollection _databaseCollection; // 数据库连接集合
/*
* 构造函数
* 工作单元表示一个操作事务,这里主要考虑一个数据库事务
*/
public UnitOfWork(IDatabaseCollection databaseCollection)
{
_databaseCollection = databaseCollection;
}
/*
* 实现接口 Kean.Domain.IUnitOfWork.IsEntered ,表示是否已打开仓库
*/
public bool IsEntered { get; private set; }
/*
* 实现接口 Kean.Domain.IUnitOfWork.Enter ,表示工作单元打开仓库连接
*/
public IUnitOfWork Enter()
{
IsEntered = true;
return this;
}
/*
* 实现接口 Kean.Domain.IUnitOfWork.Exit ,表示工作单元提交更改并退出
* 一般应该表示工作单元的结束
*/
public IUnitOfWork Exit()
{
foreach (var item in _databaseCollection)
{
item.Save();
}
IsEntered = false;
return this;
}
/*
* 实现 System.IDisposable.Dispose
* 释放事务,关闭连接
*/
public void Dispose()
{
foreach (var item in _databaseCollection)
{
item.Flush();
}
IsEntered = false;
}
}
}