/// <summary>
/// UnitOfWork联合提交（包含处理领域事件）扩展方法
/// </summary>
/// <param name="unitOfWork">工作单元实例</param>
public static void UnitedCommit(this IUnitOfWork unitOfWork)
{
try
{
//开启事务
using (TransactionScope scope = new TransactionScope())
{
//提交工作单元
unitOfWork.Commit();
//处理领域事件
EventMediator.HandleUncompletedEvents();
//事务完成
scope.Complete();
}
}
catch
{
//不参与事务
using (TransactionScope scope = new TransactionScope(TransactionScopeOption.Suppress))
{
//回滚工作单元
unitOfWork.RollBack();
//清空未处理的领域事件
EventMediator.ClearUncompletedEvents();
//事务完成
scope.Complete();
}
throw;
}
}
/// <summary>
/// 工作单元联合处理领域事件提交
/// </summary>
/// <param name="unitOfWork">工作单元实例</param>
/// <remarks>采用分布式事务</remarks>
public static async Task DistributedCommitAsync(this IUnitOfWork unitOfWork)
{
try
{
//开启事务
using (TransactionScope scope = new TransactionScope(TransactionScopeOption.Required, AsyncFlowOption))
{
//提交工作单元
await unitOfWork.CommitAsync();
//处理领域事件
await EventMediator.HandleUncompletedEventsAsync();
//事务完成
scope.Complete();
}
}
catch
{
//不参与事务
using (TransactionScope scope = new TransactionScope(TransactionScopeOption.Suppress, AsyncFlowOption))
{
//回滚工作单元
unitOfWork.RollBack();
//清空未处理的领域事件
EventMediator.ClearUncompletedEvents();
//事务完成
scope.Complete();
}
throw;
}
}
/// <summary>
/// UnitOfWork集联合提交（包含处理领域事件）扩展方法
/// </summary>
/// <param name="unitOfWorks">工作单元实例集</param>
public static void UnitedCommit(this IEnumerable <IUnitOfWork> unitOfWorks)
{
#region # 验证参数
if (unitOfWorks == null)
{
throw new ArgumentNullException("unitOfWorks", "工作单元实例集不可为空！");
}
#endregion
unitOfWorks = unitOfWorks.ToArray();
try
{
//开启事务
using (TransactionScope scope = new TransactionScope())
{
foreach (IUnitOfWork unitOfWork in unitOfWorks)
{
//提交工作单元
unitOfWork.Commit();
}
//处理领域事件
EventMediator.HandleUncompletedEvents();
//事务完成
scope.Complete();
}
}
catch
{
//不参与事务
using (TransactionScope scope = new TransactionScope(TransactionScopeOption.Suppress))
{
//回滚工作单元
foreach (IUnitOfWork unitOfWork in unitOfWorks)
{
//提交工作单元
unitOfWork.Commit();
}
//清空未处理的领域事件
EventMediator.ClearUncompletedEvents();
//事务完成
scope.Complete();
}
throw;
}
}
/// <summary>
/// 工作单元联合处理领域事件提交
/// </summary>
/// <param name="unitOfWork">工作单元实例</param>
/// <remarks>采用本地事务</remarks>
public static async Task UnitedCommitAsync(this IUnitOfWork unitOfWork)
{
try
{
if (unitOfWork.GetCurrentTransaction() == null)
{
using (DbTransaction dbTransaction = unitOfWork.BeginTransaction())
{
//提交工作单元
await unitOfWork.CommitAsync();
//处理领域事件
await EventMediator.HandleUncompletedEventsAsync();
//提交事务
dbTransaction.Commit();
}
}
else
{
//提交工作单元
await unitOfWork.CommitAsync();
//处理领域事件
await EventMediator.HandleUncompletedEventsAsync();
}
}
catch
{
//不参与事务
using (TransactionScope scope = new TransactionScope(TransactionScopeOption.Suppress, AsyncFlowOption))
{
//回滚工作单元
unitOfWork.RollBack();
//清空未处理的领域事件
EventMediator.ClearUncompletedEvents();
//事务完成
scope.Complete();
}
throw;
}
}
