/// <summary>
/// Invokes the specified service name.
/// </summary>
/// <param name="serviceName">Name of the service.</param>
/// <param name="jsonInput">The json input.</param>
/// <returns></returns>
/// <exception cref="System.InvalidOperationException"></exception>
public static string Invoke(string serviceName, string jsonInput)
{
var serviceType = Find(serviceName);
if (serviceType == null)
{
throw new InvalidOperationException();
}
var service = ServiceFactory.Create(serviceType);
var properties = serviceType.GetProperties();
SetInputProperties(service, jsonInput, properties);
var res = new DynamicJsonModel();
try
{
//调用服务
service.Invoke();
}
catch (Exception ex)
{
res.SetProperty(ClientResult.SuccessProperty, false);
res.SetProperty(ClientResult.MessageProperty, ex.Message);
return(res.ToJsonString());
}
//结果输出
ReadOutputProperties(service, properties, res);
return(res.ToJsonString());
}
/// <summary>
/// 结果输出
/// </summary>
/// <param name="service"></param>
/// <param name="properties"></param>
/// <param name="res"></param>
private static void ReadOutputProperties(IService service, System.Reflection.PropertyInfo[] properties, DynamicJsonModel res)
{
foreach (var property in properties)
{
if (ServiceHelper.IsOutput(property))
{
var value = property.GetValue(service, null);
//如果是 FlowService.Result ，则使用小写直接把 Result 输出。
//这里的判断不能直接使用 property == FlowServiceResultName，这是因为它们是两个不同的运行时对象。
if (property.DeclaringType == FlowServiceResultName.DeclaringType && property.Name == FlowServiceResultName.Name)
{
var result = (Result)value;
res.SetProperty(ClientResult.SuccessProperty, BooleanBoxes.Box(result.Success));
res.SetProperty(ClientResult.MessageProperty, result.Message);
continue;
}
//进行格式转换。
value = ConvertOutputComponent(value);
res.SetProperty(property.Name, value);
}
}
}
