/// <summary>
/// Check if a given <see cref="Action"/> is subscribed to the <see cref="PubSubEvent"/>
/// </summary>
/// <param name="subscriber">The <see cref="Action"/> to match against the subscriptions</param>
/// <returns>Returns <see langword="true"/> if the subscription exists, otherwise returns <see langword="false"/></returns>
public virtual bool Contains(Action subscriber)
{
lock (Subscriptions)
{
var subscription = Subscriptions.Cast <EventSubscription>().FirstOrDefault(evt => evt.GetAction == subscriber);
return(subscription != null);
}
}
/// <summary>
/// Returns <see langword="true"/> if there is a subscriber matching <see cref="Action"/>.
/// </summary>
/// <param name="subscriber">The <see cref="Action"/> used when subscribing to the event.</param>
/// <returns><see langword="true"/> if there is an <see cref="Action"/> that matches; otherwise <see langword="false"/>.</returns>
public virtual bool Contains(Action subscriber)
{
IEventSubscription eventSubscription;
lock (Subscriptions)
{
eventSubscription = Subscriptions.Cast<EventSubscription>().FirstOrDefault(evt => evt.Action == subscriber);
}
return eventSubscription != null;
}
/// <summary>
/// Removes the first subscriber matching <see cref="Action"/> from the subscribers' list.
/// </summary>
/// <param name="subscriber">The <see cref="Action"/> used when subscribing to the event.</param>
public virtual void Unsubscribe(Action subscriber)
{
lock (Subscriptions) {
IEventSubscription eventSubscription = Subscriptions.Cast <EventSubscription> ().FirstOrDefault(evt => evt.Action == subscriber);
if (eventSubscription != null)
{
Subscriptions.Remove(eventSubscription);
}
}
}
public virtual bool Contains(Action <MessageSender, TMessage> subscriber)
{
IMsgSubscription msgSubscription;
lock (Subscriptions)
{
msgSubscription = Subscriptions.Cast <MsgSubscription <TMessage> >().FirstOrDefault(evt => evt.Action == subscriber);
}
return(msgSubscription != null);
}
/// <summary>
/// Verifica se existe alguma inscrição igual a instancia informada..
/// </summary>
/// <param name="subscriber"></param>
/// <returns></returns>
public virtual bool Contains(Action <TPayload> subscriber)
{
IDomainEventSubscription eventSubscription;
lock (Subscriptions)
{
eventSubscription = Subscriptions.Cast <DomainEventSubscription <TPayload> >().FirstOrDefault(evt => evt.Action == subscriber);
}
return(eventSubscription != null);
}
/// <summary>
/// 取消匹配的第一个订阅
/// </summary>
/// <param name="subscriber"></param>
public virtual void Unsubscribe(Action <MessageSender, TMessage> subscriber)
{
lock (Subscriptions)
{
IMsgSubscription eventSubscription = Subscriptions.Cast <MsgSubscription <TMessage> >().FirstOrDefault(evt => evt.Action == subscriber);
if (eventSubscription != null)
{
Subscriptions.Remove(eventSubscription);
}
}
}