/// <summary>
/// 拦截器
/// </summary>
/// <param name="invocation"></param>
public void Intercept(IInvocation invocation)
{
MethodInfo methodInfo = null;
try
{
methodInfo = invocation.MethodInvocationTarget;
if (methodInfo == null)
{
methodInfo = invocation.Method;
}
// 执行方法
invocation.Proceed();
}
catch (Exception ex)
{
// 书写异常日志
NGPExceptionLog error = new NGPExceptionLog
{
ApiUrl = _workContext.CurrentRequest.Url,
Parameters = _workContext.CurrentRequest.Parameter,
BusinessMethod = string.Format("{0}.{1}.{2}",
methodInfo.ReflectedType.Namespace,
methodInfo.ReflectedType.Name,
methodInfo.Name),
ExceptionContent = string.IsNullOrEmpty(ex.Message) ?
(ex.InnerException != null ? ex.InnerException.Message : "Unknow Error")
: ex.Message,
OperatedBy = _workContext.Current != null ? _workContext.Current.EmplId : string.Empty,
OperatedDept = _workContext.Current != null ? _workContext.Current.DeptId : string.Empty,
Exception = ex
};
_logPublisher.RegisterError(error);
// 设定返回值
INGPResponse response = invocation.ReturnValue as INGPResponse;
if (response == null)
{
response = Activator.CreateInstance(methodInfo.ReturnType) as INGPResponse;
}
response.Message = CommonResource.OperatorException;
response.Status = OperateStatus.Error;
response.ErrorCode = ErrorCode.SystemError;
invocation.ReturnValue = response;
}
}
/// <summary>
/// 处理操作
/// </summary>
/// <param name="request">请求参数</param>
/// <param name="ctx">上下文参数</param>
/// <returns>返回处理结果</returns>
public virtual INGPResponse HandleProcess(INGPRequest request, TContext ctx)
{
INGPResponse result = null;
do
{
// 当前执行结果
result = Process(request, ctx);
IProcessCommand <TContext> step = null;
if (!_steps.TryDequeue(out step) || step == null)
{
break;
}
var nextRequest = result as INGPRequest;
step.HandleProcess(nextRequest, ctx);
}while (_steps.Count > 0);
return(result);
}
