Emperor wrote:
> Hi,
>
> Why is there no basic event class providing a sender and a timestamp?
> Perhaps is an interface for unified event producer class missing too. I
> would purpose the following interface/methods:
>
> interface EventDispatcher
> {
> public void addEventListener(EventListener listener);
> public void removeEventListener(EventListener listener);
> }
>
> and perhaps a default event dispatcher class that simply stores the
> events in a Vector and provides a protected dispatchEvent method that
> sends an event to all the registered listeners.
>
> event programming is sooooo cool ;)
There are a couple of reasons.
1) The event classes we have are not tied to JavaBeans framework. This
is good IMO. Server requirements are not the same as client machine
frameworks
2) It is assumed that you are going to create your mappings between
event sources and EventListeners.
3) There is an EventPipeline interface that is used to help you in #2.
The ThreadManager uses the EventPipeline to assign threads to the
pipeline.
I agree that Event programming is cool. However, due to time
constraints I haven't been able to complete what I started yet.
--
"They that give up essential liberty to obtain a little temporary safety
deserve neither liberty nor safety."
- Benjamin Franklin
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