/// <summary>
/// 实例化IInterceptor唯一方法
/// </summary>
/// <param name="invocation"></param>
public void Intercept(IInvocation invocation)
{
var method = invocation.MethodInvocationTarget ?? invocation.Method;
//对当前方法的特性验证
//如果需要验证
if (method.GetCustomAttributes(true).Find(x => x.GetType() == typeof(UseTranAttribute)) is UseTranAttribute)
{
try
{
Console.WriteLine($"UnintOfWord strat");
_unitOfWork.BeginTran();
invocation.Proceed();
// 异步获取异常，普通的 try catch 外层不能达到目的，毕竟是异步的
if (IsAsyncMethod(invocation.Method))
{
if (invocation.Method.ReturnType == typeof(Task))
{
invocation.ReturnValue = InternalAsyncHelper.AwaitTaskWithPostActionAndFinally(
(Task)invocation.ReturnValue,
async() => await TestActionAsync(invocation),
ex =>
{
_unitOfWork.Rollback(); //事务回滚
});
}
else //Task<TResult>
{
invocation.ReturnValue = InternalAsyncHelper.CallAwaitTaskWithPostActionAndFinallyAndGetResult(
invocation.Method.ReturnType.GenericTypeArguments[0],
invocation.ReturnValue,
async() => await TestActionAsync(invocation),
ex =>
{
_unitOfWork.Rollback(); //事务回滚
});
}
}
_unitOfWork.Commit();
}
catch (Exception)
{
Console.WriteLine($"Rollback Transaction");
_unitOfWork.Rollback();
}
}
else
{
invocation.Proceed();//直接执行被拦截方法
}
}
private void PerformAsyncUow(IInvocation invocation, UnitOfWorkOptions options)
{
var uow = _unitOfWorkManager.Begin(options);
try
{
invocation.Proceed();
}
catch
{
uow.Dispose();
throw;
}
if (invocation.Method.ReturnType == typeof(Task))
{
invocation.ReturnValue = InternalAsyncHelper.AwaitTaskWithPostActionAndFinally(
(Task)invocation.ReturnValue,
async() =>
{
uow.Complete();
await Task.FromResult(0);
},
exception => uow.Dispose()
);
}
else //Task<TResult>
{
invocation.ReturnValue = InternalAsyncHelper.CallAwaitTaskWithPostActionAndFinallyAndGetResult(
invocation.Method.ReturnType.GenericTypeArguments[0],
invocation.ReturnValue,
async() =>
{
uow.Complete();
await Task.FromResult(0);
},
exception => uow.Dispose()
);
}
}
private void ProceedAndCallPostTreatment <T>(IInvocation invocation, List <T> pEntities, bool IsAsync)
{
invocation.Proceed();
if (IsAsync)
{
////Wait task execution and modify return value
if (invocation.Method.ReturnType == typeof(Task))
{
invocation.ReturnValue = InternalAsyncHelper.AwaitTaskWithPostActionAndFinally(
(Task)invocation.ReturnValue,
async() =>
{
GenericPostTreatment(invocation, pEntities);
},
ex =>
{
});
}
else //Task<TResult>
{
invocation.ReturnValue = InternalAsyncHelper.CallAwaitTaskWithPostActionAndFinallyAndGetResult(
invocation.Method.ReturnType.GenericTypeArguments[0],
invocation.ReturnValue,
async(e) =>
{
invocation.ReturnValue = e;
GenericPostTreatment(invocation, pEntities);
},
ex =>
{
});
}
}
else
{
this.GenericPostTreatment(invocation, pEntities);
}
}
public void Intercept(IInvocation invocation)
{
// 记录被拦截方法信息的日志信息
var interceptorInfo = "" +
$"【当前执行方法】：{ invocation.Method.Name} \r\n" +
$"【携带的参数有】： {string.Join(", ", invocation.Arguments.Select(a => (a ?? "").ToString()).ToArray())} \r\n";
try
{
// 在被拦截的方法执行完毕后 继续执行当前方法，注意是被拦截的是异步的
invocation.Proceed();
// 异步获取异常，先执行
if (IsAsyncMethod(invocation.Method))
{
#region 方案一
// Wait task execution and modify return value
if (invocation.Method.ReturnType == typeof(Task))
{
invocation.ReturnValue = InternalAsyncHelper.AwaitTaskWithPostActionAndFinally(
(Task)invocation.ReturnValue,
async() => await SuccessAction(invocation, interceptorInfo), /*成功时执行*/
ex =>
{
System.Console.WriteLine(ex.Message);
});
}
// Task<TResult>
else
{
invocation.ReturnValue = InternalAsyncHelper.CallAwaitTaskWithPostActionAndFinallyAndGetResult(
invocation.Method.ReturnType.GenericTypeArguments[0],
invocation.ReturnValue,
async(o) => await SuccessAction(invocation, interceptorInfo, o),/*成功时执行*/
ex =>
{
System.Console.WriteLine(ex);
});
}
#endregion
// 如果方案一不行，试试这个方案
#region 方案二
//var type = invocation.Method.ReturnType;
//var resultProperty = type.GetProperty("Result");
//dataIntercept += ($"【执行完成结果】：{JsonConvert.SerializeObject(resultProperty.GetValue(invocation.ReturnValue))}");
//Parallel.For(0, 1, e =>
//{
// LogLock.OutSql2Log("AOPLog", new string[] { dataIntercept });
//});
#endregion
}
else
{
// 同步1
interceptorInfo += ($"【执行完成结果】：{invocation.ReturnValue}");
Parallel.For(0, 1, e =>
{
System.Console.WriteLine(interceptorInfo);
});
}
}
catch (Exception ex)// 同步2
{
System.Console.WriteLine(ex.Message + interceptorInfo);
}
}
