/// <summary>
/// 服务分发
/// </summary>
/// <param name="req"></param>
/// <returns></returns>
/// <remarks>
/// 可以在请求参数中指定服务分发器的名称，如果没有指定则
/// </remarks>
public static IServiceResponse Dispatch(IServiceRequest req)
{
if (req == null)
{
throw new ArgumentNullException("req");
}
//设置缺省服务分发器名称
string serviceDispatcherName = DefaultServiceDispatcherName;
//是否指定了服务分发器
if (req.Arguments.ContainsKey(ServiceDispatcherParameterName))
{
var tmpServiceDispatcherName = req.Arguments[ServiceDispatcherParameterName] as string;
if (!string.IsNullOrEmpty(tmpServiceDispatcherName))
{
serviceDispatcherName = tmpServiceDispatcherName;
}
}
//通过服务分发器名称得到服务分发器配置节点
IServiceDispatcherConfiguationItem config = ServiceLocator.Get <IServiceDispatcherConfiguationItem>(serviceDispatcherName);
if (config == null)
{
throw new ApplicationException("No config service dispatcher for name:" + serviceDispatcherName);
}
return(config.ServiceDispatcherCreator().Dispatch(req));
}
public HttpRouteHandler(IServiceDispatcherConfiguationItem serviceDispatcherConfiguationItem
, IHttpResponseResult responseResolver
, Func<IOperationDescriptor,SessionMode> getSessionMode )
{
if (serviceDispatcherConfiguationItem == null)
throw new ArgumentNullException("serviceDispatcherConfiguationItem");
if (responseResolver == null)
throw new ArgumentNullException("responseResolver");
ServiceDispatcherConfiguationItem = serviceDispatcherConfiguationItem;
ResponseResolver = responseResolver;
GetSessionMode = getSessionMode;
}
/// <summary>
/// 配置服务分发器
/// </summary>
/// <param name="item"></param>
/// <exception cref="ArgumentNullException">当<paramref name="item"/>为空引用时，将抛出异常</exception>
public void ConfigureServiceDispatcher(IServiceDispatcherConfiguationItem item)
{
if (item == null)
{
throw new ArgumentNullException("item");
}
if (string.IsNullOrEmpty(item.Name))
{
throw new ArgumentNullException("item.Name");
}
if (ServiceRegistry.HasRegister(item.Name))
{
throw new RepeatRegistrationException("Service dispatcher repeat configure for name:" + item.Name);
}
Add(item);
}
