/// <summary>
/// 执行
/// </summary>
public override async Task Invoke(AspectCore.DynamicProxy.AspectContext context, AspectCore.DynamicProxy.AspectDelegate next)
{
TransactionOptions transactionOptions = new TransactionOptions();
// 设置事务隔离级别
transactionOptions.IsolationLevel = IsolationLevel;
// 设置事务超时时间为60秒
transactionOptions.Timeout = new TimeSpan(0, 0, Timeout);
using (TransactionScope scope = new TransactionScope(ScopeOption, transactionOptions))
{
try
{
// 实现事务性工作
await next(context);
var manager = context.ServiceProvider.GetService(typeof(IUnitOfWorkManager)) as IUnitOfWorkManager;
manager?.Commit();
scope.Complete();
}
catch (Exception e)
{
throw e;
}
}
//await next(context);
}
public static async Task AwaitIfAsync(this AspectContext aspectContext, object returnValue)
{
if (returnValue == null)
{
return;
}
if (returnValue is Task task)
{
try
{
await task;
}
catch (Exception ex)
{
throw aspectContext.InvocationException(ex);
}
}
}
public static bool IsAsync(this AspectContext aspectContext)
{
if (aspectContext == null)
{
throw new ArgumentNullException(nameof(aspectContext));
}
var isAsyncFromMetaData = isAsyncCache.GetOrAdd(aspectContext.ServiceMethod, IsAsyncFromMetaData);
if (isAsyncFromMetaData)
{
return(true);
}
if (aspectContext.ReturnValue != null)
{
return(IsAsyncType(aspectContext.ReturnValue.GetType().GetTypeInfo()));
}
return(false);
}
public static void AwaitIfAsync(this AspectContext aspectContext, object returnValue)
{
if (returnValue == null)
{
return;
}
if (returnValue is Task task)
{
if (task.IsFaulted)
{
var innerException = task.Exception?.InnerException;
throw aspectContext.InvocationException(innerException);
}
if (!task.IsCompleted)
{
task.GetAwaiter().GetResult();
}
}
}
public static object UnwrapAsyncReturnValue(this AspectContext aspectContext)
{
if (aspectContext == null)
{
throw new ArgumentNullException(nameof(aspectContext));
}
if (!aspectContext.IsAsync())
{
throw new AspectInvocationException(aspectContext, new InvalidOperationException("This operation only support asynchronous method."));
}
var returnValue = aspectContext.ReturnValue;
if (returnValue == null)
{
return(null);
}
var returnTypeInfo = returnValue.GetType().GetTypeInfo();
return(Unwrap(returnValue, returnTypeInfo));
}
public static async ValueTask AwaitIfAsync(this AspectContext aspectContext, object returnValue)
{
switch (returnValue)
{
case null:
break;
case Task task:
await task;
break;
case ValueTask valueTask:
await valueTask;
break;
default:
if (returnValue.GetType().GetTypeInfo().IsValueTaskWithResult())
{
await(dynamic) returnValue;
}
break;
}
}
public static async Task <T> UnwrapAsyncReturnValue <T>(this AspectContext aspectContext)
{
return((T) await UnwrapAsyncReturnValue(aspectContext));
}
public static ValueTask AwaitIfAsync(this AspectContext aspectContext)
{
return(AwaitIfAsync(aspectContext, aspectContext.ReturnValue));
}
public override Task Invoke(AspectCore.DynamicProxy.AspectContext context, AspectCore.DynamicProxy.AspectDelegate next)
{
this.action?.Invoke(context.ImplementationMethod?.Name);
return(context.Invoke(next));
}
public void ReleaseContext(AspectContext aspectContext)
{
(aspectContext as IDisposable)?.Dispose();
}
public abstract Task Invoke(AspectContext context, AspectDelegate next);
public AspectInvocationException(AspectContext aspectContext, Exception innerException)
: base($"Exception has been thrown by the aspect of an invocation. ---> {innerException?.Message}.", innerException)
{
AspectContext = aspectContext;
}
public Task Invoke(AspectContext context, AspectDelegate next)
{
return(_aspectDelegate(next)(context));
}