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https://issues.apache.org/jira/browse/S4-12?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13131790#comment-13131790
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Leo Neumeyer commented on S4-12:
--------------------------------
Answer to your question: If PE has several incoming event types, how do you
bind a specific type to onTrigger(). Also, this seems symmetric with onEvent(),
developer only needs to learn one pattern for both cases.
> Dynamic Method Dispatching
> --------------------------
>
> Key: S4-12
> URL: https://issues.apache.org/jira/browse/S4-12
> Project: Apache S4
> Issue Type: Bug
> Environment: Matthieu, in ProcessingElement, I think you need to make
> the trigger map key dynamic, no? The trigger object is stored using the Event
> class as key which means that for CounterEvent, the key should be
> CounterEvent.class.
> private boolean isTrigger(Event event) {
> /* Check if there is a trigger for this event type. */
> Trigger trigger = triggers.get(Event.class); // TODO: modify for
> dynamic
> // dispatch.
> if (trigger == null)
> return false;
> /*
> * Check if it is time to activate the trigger for this event type.
> */
> return trigger.checkAndUpdate();
> }
> Reporter: Leo Neumeyer
> Assignee: Matthieu Morel
> Fix For: 0.5
>
>
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