/// <summary>
/// 向消息事件缓存接口中注册新的客户端订阅。
/// </summary>
/// <param name="obj">一个消息路由扩展接口的实例对象。</param>
/// <param name="key">注册的发布键。</param>
/// <param name="action">订阅的客户端消息处理逻辑。</param>
/// <param name="identity">当前处理逻辑的标识：可以多个逻辑使用同一个标识。</param>
/// <param name="index">消息在处理队列中的顺序：升序处理。</param>
/// <param name="filter">服务器消息过滤器.</param>
/// <returns>已经完成注册的消息路由扩展接口实例对象。</returns>
public static AsyncSubscriber RegisterAsync(this IMessageRouter obj, string key, Action <object> action, object identity = null, double index = 0, Func <object, bool> filter = null)
{
var subscriber = new AsyncSubscriber
{
Action = action,
Filter = filter,
Identity = identity,
Index = index,
};
obj.Store.GetOrAdd(key, p => new List <ISubscriber>()).Add(subscriber);
return(subscriber);
}
/// <summary>
/// 向消息事件缓存接口中注册新的客户端订阅。
/// </summary>
/// <param name="obj">一个消息路由扩展接口的实例对象。</param>
/// <param name="action">订阅的客户端消息处理逻辑。</param>
/// <param name="identity">当前处理逻辑的标识：可以多个逻辑使用同一个标识。</param>
/// <param name="index">消息在处理队列中的顺序：升序处理。</param>
/// <param name="filter">服务器消息过滤器.</param>
/// <returns>已经完成注册的消息路由扩展接口实例对象。</returns>
public static AsyncSubscriber RegisterGlobalAsync(this IMessageRouter obj, Action <object> action, object identity = null, double index = 0, Func <object, bool> filter = null)
{
var subscriber = new AsyncSubscriber
{
Action = action,
Filter = filter,
Identity = identity,
Index = index,
};
obj.GlobalPublish.Add(subscriber);
return(subscriber);
}
/// <summary>
/// 向消息事件缓存接口中注册新的客户端订阅。
/// </summary>
/// <typeparam name="TMessage">客户端订阅的消息类型</typeparam>
/// <param name="obj">一个消息路由扩展接口的实例对象。</param>
/// <param name="action">订阅的客户端消息处理逻辑。</param>
/// <param name="identity">当前处理逻辑的标识：可以多个逻辑使用同一个标识。</param>
/// <param name="index">消息在处理队列中的顺序：升序处理。</param>
/// <param name="filter">服务器消息过滤器.</param>
/// <returns>已经完成注册的消息路由扩展接口实例对象。</returns>
public static AsyncSubscriber RegisterAsync <TMessage>(this IMessageRouter obj, Action <object> action, object identity = null, double index = 0, Func <TMessage, bool> filter = null)
{
Func <object, bool> subscriberFilter = p => p is TMessage;
if (filter != null)
{
subscriberFilter = p => p is TMessage && filter((TMessage)p);
}
var subscriber = new AsyncSubscriber
{
Action = action,
Filter = subscriberFilter,
Identity = identity,
Index = index,
};
obj.Store.GetOrAdd(typeof(TMessage).AssemblyQualifiedName, p => new List <ISubscriber>()).Add(subscriber);
return(subscriber);
}
