internal void Add(MulticastDelegate handler, Action <TSender, TArgs> castedHandler)
{
if (handler is null)
{
throw new ArgumentNullException(nameof(handler));
}
if (Target != null && Target != handler.Target)
{
throw new ArgumentException("如果代码没有写错，不可能在这里传入不一致的 Target。", nameof(handler));
}
Target = handler.Target;
if (MethodHandlers.TryGetValue(handler.Method, out var handlers))
{
handlers.Add(castedHandler);
}
else
{
handlers = new List <Action <TSender, TArgs> >
{
castedHandler,
};
MethodHandlers[handler.Method] = handlers;
}
}
internal ThriftClientMetadata(
Type clientType,
String clientName,
ThriftCodecManager codecManager)
{
Guard.ArgumentNotNull(clientType, nameof(clientType));
Guard.ArgumentNotNull(codecManager, nameof(codecManager));
Guard.ArgumentNullOrWhiteSpaceString(clientName, nameof(clientName));
this.ClientName = clientName;
thriftServiceMetadata = new ThriftServiceMetadata(clientType, codecManager.Catalog);
this.ClientType = thriftServiceMetadata.Name;
this.MethodHandlers = new Dictionary <MethodInfo, ThriftMethodHandler>();
foreach (ThriftMethodMetadata methodMetadata in thriftServiceMetadata.Methods.Values)
{
ThriftMethodHandler methodHandler = new ThriftMethodHandler(methodMetadata, codecManager);
MethodHandlers.Add(methodMetadata.Method, methodHandler);
}
}
internal void Remove(MulticastDelegate handler)
{
if (handler is null)
{
throw new ArgumentNullException(nameof(handler));
}
if (Target != null && Target != handler.Target)
{
throw new ArgumentException("如果代码没有写错，不可能在这里传入不一致的 Target。", nameof(handler));
}
Target = handler.Target;
if (MethodHandlers.TryGetValue(handler.Method, out var handlers))
{
handlers.RemoveAt(handlers.Count - 1);
if (handlers.Count == 0)
{
MethodHandlers.Remove(handler.Method);
}
}
}
internal IReadOnlyList <Action <TSender, TArgs> > GetInvokingHandlers()
{
return(MethodHandlers.SelectMany(x => x.Value).ToList());
}