public bool Remove(string eventName, MessageHandlerAction <T> handler = null)
{
if (eventName.IsEmpty())
{
return(false);
}
try
{
_lock.EnterWriteLock();
var key = eventName.ToLower();
if (_specificHandlers.ContainsKey(key))
{
if (handler == null)
{
_specificHandlers.Remove(key);
return(true);
}
else
{
return(_specificHandlers[key].Remove(handler));
}
}
else
{
return(false);
}
}
finally
{
_lock.ExitWriteLock();
}
}
public void Add(string eventName, MessageHandlerAction <T> handler)
{
try
{
_lock.EnterWriteLock();
List <MessageHandlerAction <T> > result;
var key = eventName.ToLower();
if (_specificHandlers.TryGetValue(key, out result))
{
if (result != null)
{
result.Add(handler);
return;
}
}
_specificHandlers[key] = new List <MessageHandlerAction <T> > {
handler
};
}
finally
{
_lock.ExitWriteLock();
}
}
public static void SafeHandle <T>(this MessageHandlerAction <T> handler, T message, ILogger logger) where T : IMessage
{
try
{
handler.Handle(message);
}
catch (Exception ex)
{
logger.Error("Error notifying subscriber", ex);
}
}
/// <summary>Remove handler from the collection.</summary>
/// <param name="handler"></param>
/// <returns>True if removed, false if not found.</returns>
public bool Remove(MessageHandlerAction <T> handler)
{
try
{
_lock.EnterWriteLock();
return(_handlers.RemoveAll(x => x.Equals(handler)) > 0);
}
finally
{
_lock.ExitWriteLock();
}
}
/// <summary>Add handler to the collection.</summary>
/// <param name="handler"></param>
public void Add(MessageHandlerAction <T> handler)
{
try
{
_lock.EnterWriteLock();
_handlers.Add(handler);
}
finally
{
_lock.ExitWriteLock();
}
}