/// <summary>
/// Subscribes the specified handler for messages of type <typeparamref name="TMessage" />.
/// </summary>
/// <typeparam name="TMessage">The type of the message.</typeparam>
/// <param name="weakHandler">The message handler to register.</param>
/// <param name="threadOption">Specifies on which Thread the <paramref name="weakHandler" /> is executed.</param>
/// <returns>The <see cref="IEventAggregatorHandler" />.</returns>
public IEventAggregatorHandler Subscribe <TMessage>([EmptyCapture] Func <TMessage, Task> weakHandler, ThreadOption threadOption)
{
VerifyDelegate(weakHandler);
var handler = new EventAggregatorHandler <object, TMessage>(_staticTarget, (t, m) => weakHandler(m).ObserveException().Watch(), threadOption);
AddHandler(handler);
return(handler);
}
/// <summary>
/// Subscribes the specified handler for messages of type <typeparamref name="TMessage" />.
/// </summary>
/// <typeparam name="TMessage">The type of the message.</typeparam>
/// <param name="weakHandler">The message handler to register.</param>
/// <param name="threadOption">Specifies on which Thread the <paramref name="weakHandler" /> is executed.</param>
/// <returns>The <see cref="IEventAggregatorHandler" />.</returns>
public IEventAggregatorHandler Subscribe <TMessage>([EmptyCapture] Action <TMessage> weakHandler, ThreadOption threadOption)
{
VerifyDelegate(weakHandler);
var handler = new EventAggregatorHandler <object, TMessage>(_staticTarget, (t, m) => weakHandler(m), threadOption);
AddHandler(handler);
return(handler);
}
/// <summary>
/// Subscribes the specified handler for messages of type <typeparamref name="TMessage" />.
/// </summary>
/// <typeparam name="TTarget">The type of the handler target.</typeparam>
/// <typeparam name="TMessage">The type of the message.</typeparam>
/// <param name="target">The message handler target.</param>
/// <param name="weakHandler">The message handler to register.</param>
/// <param name="threadOption">Specifies on which Thread the <paramref name="weakHandler" /> is executed.</param>
/// <returns>The <see cref="IEventAggregatorHandler" />.</returns>
public IEventAggregatorHandler Subscribe <TTarget, TMessage>(TTarget target, [EmptyCapture] Action <TTarget, TMessage> weakHandler, ThreadOption threadOption)
where TTarget : class
{
VerifyTarget(target);
VerifyDelegate(weakHandler);
var handler = new EventAggregatorHandler <TTarget, TMessage>(target, weakHandler, threadOption);
AddHandler(handler);
return(handler);
}
/// <summary>
/// Subscribes the specified handler for messages of type <typeparamref name="TMessage" />.
/// </summary>
/// <typeparam name="TTarget">The type of the handler target.</typeparam>
/// <typeparam name="TMessage">The type of the message.</typeparam>
/// <param name="target">The message handler target.</param>
/// <param name="weakHandler">The message handler to register.</param>
/// <param name="threadOption">Specifies on which Thread the <paramref name="weakHandler" /> is executed.</param>
/// <returns>The <see cref="IEventAggregatorHandler" />.</returns>
public IEventAggregatorHandler Subscribe <TTarget, TMessage>(TTarget target, [EmptyCapture] Func <TTarget, TMessage, Task> weakHandler, ThreadOption threadOption)
where TTarget : class
{
VerifyTarget(target);
VerifyDelegate(weakHandler);
var handler = new EventAggregatorHandler <TTarget, TMessage>(target, (t, m) => weakHandler(t, m).ObserveException().Watch(), threadOption);
AddHandler(handler);
return(handler);
}
private IEventAggregatorHandler SubscribeCore <TTarget, TMessage>(TTarget target, Func <TTarget, TMessage, Task> handler, ThreadOption threadOption)
where TTarget : class
{
var item = new EventAggregatorHandler <TTarget, TMessage>(target, handler, threadOption);
lock (_handlers)
{
_handlers.RemoveAll(h => h.IsDead);
_handlers.Add(item);
}
return(item);
}
