/// <summary>
/// Adds a publication. Use this to register publications by code instead of using attributes.
/// </summary>
/// <typeparam name="TEventArgs">The type of the event arguments.</typeparam>
/// <param name="topic">The topic.</param>
/// <param name="publisher">The publisher.</param>
/// <param name="publishedEvent">The published event.</param>
/// <param name="handlerRestriction">The handler restriction.</param>
/// <param name="matchers">The matchers.</param>
public void AddPublication <TEventArgs>(string topic, object publisher, ref EventHandler <TEventArgs> publishedEvent, HandlerRestriction handlerRestriction, params IPublicationMatcher[] matchers) where TEventArgs : EventArgs
{
IEventTopic eventTopic = this.eventTopicHost.GetEventTopic(topic);
IPublication publication = this.factory.CreatePublication(eventTopic, publisher, ref publishedEvent, handlerRestriction, matchers);
eventTopic.AddPublication(publication);
}
/// <summary>
/// Handles the publisher.
/// </summary>
/// <param name="publisher">The publisher.</param>
/// <param name="register">true to register publications, false to unregister them.</param>
/// <param name="eventInfo">The published event..</param>
/// <param name="attr">The attribute</param>
/// <param name="eventTopicHost">The event topic host.</param>
private void HandlePublisher(
object publisher,
bool register,
EventInfo eventInfo,
EventPublicationAttribute attr,
IEventTopicHost eventTopicHost)
{
IEventTopic topic = eventTopicHost.GetEventTopic(attr.Topic);
if (register)
{
List <IPublicationMatcher> matchers = new List <IPublicationMatcher>();
foreach (Type type in attr.MatcherTypes)
{
matchers.Add(this.factory.CreatePublicationMatcher(type));
}
topic.AddPublication(
publisher,
eventInfo,
attr.HandlerRestriction,
matchers);
}
else
{
topic.RemovePublication(publisher, eventInfo);
}
}
/// <summary>
/// Adds a publication. Use this to register publications by code instead of using attributes.
/// </summary>
/// <param name="topic">The topic.</param>
/// <param name="publisher">The publisher.</param>
/// <param name="publishedEvent">The published event of the <paramref name="publisher"/>.</param>
/// <param name="handlerRestriction">The handler restriction.</param>
/// <param name="matchers">The matchers.</param>
public void AddPublication(string topic, object publisher, ref EventHandler publishedEvent, HandlerRestriction handlerRestriction, params IPublicationMatcher[] matchers)
{
IEventTopic eventTopic = this.eventTopicHost.GetEventTopic(topic);
eventTopic.AddPublication(
publisher,
ref publishedEvent,
handlerRestriction,
matchers);
}
/// <summary>
/// Fires the specified topic directly on the <see cref="IEventBroker"/> without a real publisher.
/// This is useful when temporarily created objects need to fire events.
/// The event is fired globally but can be matched with <see cref="Matchers.ISubscriptionMatcher"/>.
/// </summary>
/// <param name="topic">The topic URI.</param>
/// <param name="publisher">The publisher (for event flow and logging).</param>
/// <param name="handlerRestriction">The handler restriction.</param>
/// <param name="sender">The sender (passed to the event handler).</param>
/// <param name="eventArgs">The <see cref="System.EventArgs"/> instance containing the event data.</param>
public void Fire(string topic, object publisher, HandlerRestriction handlerRestriction, object sender, EventArgs eventArgs)
{
Ensure.ArgumentNotNull(eventArgs, "eventArgs");
IEventTopic eventTopic = this.eventTopicHost.GetEventTopic(topic);
using (var spontaneousPublication = new SpontaneousPublication(eventTopic, publisher, eventArgs.GetType(), handlerRestriction, new List <IPublicationMatcher>()))
{
eventTopic.AddPublication(spontaneousPublication);
eventTopic.Fire(sender, eventArgs, spontaneousPublication);
eventTopic.RemovePublication(spontaneousPublication);
}
}
/// <summary>
/// Fires the specified topic directly on the <see cref="IEventBroker"/> without a real publisher.
/// This is useful when temporarily created objects need to fire events.
/// The event is fired globally but can be matched with <see cref="Matchers.ISubscriptionMatcher"/>.
/// </summary>
/// <param name="topic">The topic URI.</param>
/// <param name="publisher">The publisher (for event flow and logging).</param>
/// <param name="handlerRestriction">The handler restriction.</param>
/// <param name="sender">The sender (passed to the event handler).</param>
/// <param name="eventArgs">The <see cref="System.EventArgs"/> instance containing the event data.</param>
public void Fire(string topic, object publisher, HandlerRestriction handlerRestriction, object sender, EventArgs eventArgs)
{
Guard.AgainstNullArgument(nameof(eventArgs), eventArgs);
IEventTopic eventTopic = this.eventTopicHost.GetEventTopic(topic);
using (var spontaneousPublication = new SpontaneousPublication(eventTopic, publisher, eventArgs.GetType(), handlerRestriction, new List <IPublicationMatcher>()))
{
eventTopic.AddPublication(spontaneousPublication);
eventTopic.Fire(sender, eventArgs, spontaneousPublication);
eventTopic.RemovePublication(publisher, SpontaneousPublication.SpontaneousEventName);
}
}
/// <summary>
/// Registers the event as publication.
/// </summary>
/// <param name="topic">The topic.</param>
/// <param name="publisher">The publisher.</param>
/// <param name="eventName">Name of the event.</param>
/// <param name="handlerRestriction">The handler restriction.</param>
/// <param name="matchers">The matchers.</param>
public void AddPublication(string topic, object publisher, string eventName, HandlerRestriction handlerRestriction, params IPublicationMatcher[] matchers)
{
Ensure.ArgumentNotNull(publisher, "publisher");
EventInfo eventInfo = this.eventInspector.ScanPublisherForEvent(publisher, eventName);
IEventTopic eventTopic = this.eventTopicHost.GetEventTopic(topic);
IPublication publication = this.factory.CreatePublication(
eventTopic,
publisher,
eventInfo,
handlerRestriction,
matchers);
eventTopic.AddPublication(publication);
}
private void RegisterPropertyPublications(object item, ScanResult scanResult)
{
foreach (PropertyPublicationScanResult propertyPublication in scanResult.Publications)
{
var publicationMatchers = from publicationMatcherType in propertyPublication.PublicationMatcherTypes
select this.factory.CreatePublicationMatcher(publicationMatcherType);
IEventTopic eventTopic = this.eventTopicHost.GetEventTopic(propertyPublication.Topic);
IPublication publication = this.factory.CreatePublication(
eventTopic,
item,
propertyPublication.Event,
propertyPublication.HandlerRestriction,
publicationMatchers.ToList());
eventTopic.AddPublication(publication);
}
}
/// <summary>
/// Processes the publisher.
/// </summary>
/// <param name="topic">The topic.</param>
/// <param name="publisher">The publisher.</param>
/// <param name="eventName">Name of the event.</param>
/// <param name="handlerRestriction">The handler restriction.</param>
/// <param name="matchers">The matchers.</param>
/// <param name="register">true to register publications, false to unregister them.</param>
/// <param name="eventTopicHost">The event topic host.</param>
public void ProcessPublisher(string topic, object publisher, string eventName, HandlerRestriction handlerRestriction, IList <IPublicationMatcher> matchers, bool register, IEventTopicHost eventTopicHost)
{
EventInfo eventInfo = publisher.GetType().GetEvent(eventName);
if (eventInfo == null)
{
throw new PublisherEventNotFoundException(publisher.GetType(), eventName);
}
IEventTopic eventTopic = eventTopicHost.GetEventTopic(topic);
if (register)
{
eventTopic.AddPublication(publisher, eventInfo, handlerRestriction, matchers);
}
else
{
eventTopic.RemovePublication(publisher, eventInfo);
}
}
