/// <summary>
/// Constructor that gets the finder of methods marked with specific atrributes.
/// </summary>
/// <param name="finder"></param>
public EventBus(IHandlerFindingStrategy finder)
{
//TODO : readerwriterlockslim , conccurentdictionary.
//Replace with ninject tools.
this.finder = finder;
handlersByType = HashMultiMap <Type, EventHandler> .Create();
handlersByTypeLock = new ReaderWriterLockSlim();
eventsToDispatch = new ThreadLocal <Queue <EventWithHandler> >(() => { return(new Queue <EventWithHandler>()); });
isDispatching = new ThreadLocal <Boolean>(() => { return(false); });
}
/// <summary>
/// This getting an object and extract all the methods marked with Subscribe attribute.
/// </summary>
/// <param name="subscriber">The object whose methods are desired to be event handlers</param>
/// <returns>MultiMap between a key which is event type and a value which is the event handler contains a target object and methodInfo</returns>
public IMultiMap <Type, EventHandler> FindAllHandlers(Object subscriber)
{
IMultiMap <Type, EventHandler> methodsInSubscriber = HashMultiMap <Type, EventHandler> .Create();
foreach (MethodInfo method in GetMarkedMethods(subscriber))
{
ParameterInfo[] parmetersTypes = method.GetParameters();
Type eventType = parmetersTypes[0].ParameterType;
EventHandler handler = new EventHandler(subscriber, method);
methodsInSubscriber.Add(eventType, handler);
}
return(methodsInSubscriber);
}
public override bool Equals(object obj)
{
Boolean answer = false;
if (obj is HashMultiMap <K, V> )
{
HashMultiMap <K, V> other = (HashMultiMap <K, V>)obj;
answer = true;
foreach (K key in this.Keys)
{
}
}
return(answer);
}
/// <summary>
/// This getting an object and extract all the methods marked with Subscribe attribute.
/// </summary>
/// <param name="subscriber">The object whose methods are desired to be event handlers</param>
/// <returns>MultiMap between a key which is event type and a value which is the event handler contains a target object and methodInfo</returns>
public IMultiMap <Type, EventHandler> FindAllHandlers(Object subscriber)
{
IMultiMap <Type, EventHandler> methodsInSubscriber = HashMultiMap <Type, EventHandler> .Create();
foreach (MethodInfo method in GetMarkedMethods(subscriber))
{
Subscribe attr = (Subscribe)method.GetCustomAttribute(typeof(Subscribe));
int priority = attr.GetPriority();
ParameterInfo[] parmetersTypes = method.GetParameters();
Type eventType = parmetersTypes[0].ParameterType;
EventHandler handler = new EventHandler(subscriber, method, priority);
methodsInSubscriber.Add(eventType, handler);
}
return(methodsInSubscriber);
}
