/// <summary>
/// Handles the subscriber.
/// </summary>
/// <param name="subscriber">The subscriber.</param>
/// <param name="register">true to register subscriptions, false to unregister them.</param>
/// <param name="methodInfo">The handler method.</param>
/// <param name="attr">The subscription attribute.</param>
/// <param name="eventTopicHost">The event topic host.</param>
private void HandleSubscriber(
object subscriber,
bool register,
MethodInfo methodInfo,
EventSubscriptionAttribute attr,
IEventTopicHost eventTopicHost)
{
IEventTopic topic = eventTopicHost.GetEventTopic(attr.Topic);
if (register)
{
List <ISubscriptionMatcher> matchers = new List <ISubscriptionMatcher>();
foreach (Type type in attr.MatcherTypes)
{
matchers.Add(this.factory.CreateSubscriptionMatcher(type));
}
topic.AddSubscription(
subscriber,
methodInfo,
this.factory.CreateHandler(attr.HandlerType),
matchers);
}
else
{
topic.RemoveSubscription(subscriber, methodInfo);
}
}
/// <summary>
/// Removes a subscription.
/// </summary>
/// <typeparam name="TEventArgs">The type of the event arguments.</typeparam>
/// <param name="topic">The topic.</param>
/// <param name="subscriber">The subscriber.</param>
/// <param name="handlerMethod">The handler method.</param>
public void RemoveSubscription <TEventArgs>(string topic, object subscriber, EventHandler <TEventArgs> handlerMethod) where TEventArgs : EventArgs
{
Ensure.ArgumentNotNull(handlerMethod, "handlerMethod");
IEventTopic eventTopic = this.eventTopicHost.GetEventTopic(topic);
eventTopic.RemoveSubscription(subscriber, handlerMethod.Method);
}
/// <summary>
/// Removes a subscription.
/// </summary>
/// <typeparam name="TEventArgs">The type of the event arguments.</typeparam>
/// <param name="topic">The topic.</param>
/// <param name="subscriber">The subscriber.</param>
/// <param name="handlerMethod">The handler method.</param>
public void RemoveSubscription <TEventArgs>(string topic, object subscriber, EventHandler <TEventArgs> handlerMethod) where TEventArgs : EventArgs
{
Guard.AgainstNullArgument(nameof(handlerMethod), handlerMethod);
IEventTopic eventTopic = this.eventTopicHost.GetEventTopic(topic);
eventTopic.RemoveSubscription(subscriber, handlerMethod.Method);
}
private void UnregisterPropertySubscriptions(object subscriber, IEnumerable <PropertySubscriptionScanResult> propertySubscriptions)
{
foreach (PropertySubscriptionScanResult propertySubscription in propertySubscriptions)
{
IEventTopic topic = this.eventTopicHost.GetEventTopic(propertySubscription.Topic);
topic.RemoveSubscription(subscriber, propertySubscription.Method);
}
}
/// <summary>
/// Handles the subscriber.
/// </summary>
/// <param name="eventTopicHost">The event topic host.</param>
/// <param name="topic">The topic.</param>
/// <param name="register">if set to <c>true</c> [register].</param>
/// <param name="subscriber">The subscriber.</param>
/// <param name="handlerMethod">The handler method.</param>
/// <param name="handler">The handler.</param>
/// <param name="matchers">The matchers.</param>
private void HandleSubscriber(IEventTopicHost eventTopicHost, string topic, bool register, object subscriber, MethodInfo handlerMethod, IHandler handler, ISubscriptionMatcher[] matchers)
{
IEventTopic eventTopic = eventTopicHost.GetEventTopic(topic);
if (register)
{
eventTopic.AddSubscription(subscriber, handlerMethod, handler, matchers);
}
else
{
eventTopic.RemoveSubscription(subscriber, handlerMethod);
}
}
private void RemoveSubscription(string topic, object subscriber, MethodInfo methodInfo)
{
IEventTopic eventTopic = this.eventTopicHost.GetEventTopic(topic);
eventTopic.RemoveSubscription(subscriber, methodInfo);
}
/// <summary>
/// Removes a subscription.
/// </summary>
/// <param name="topic">The topic.</param>
/// <param name="subscriber">The subscriber.</param>
/// <param name="handlerMethod">The handler method.</param>
public void RemoveSubscription(string topic, object subscriber, EventHandler handlerMethod)
{
IEventTopic eventTopic = this.eventTopicHost.GetEventTopic(topic);
eventTopic.RemoveSubscription(subscriber, handlerMethod.Method);
}
