[jboss-jira] [JBoss JIRA] Created: (JBRULES-2578) Change @expires policy to override temporal requirements and behaviours

[Edson Tirelli (JIRA)]

Change @expires policy to override temporal requirements and behaviours
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                 Key: JBRULES-2578
                 URL: https://jira.jboss.org/browse/JBRULES-2578
             Project: Drools
          Issue Type: Feature Request
      Security Level: Public (Everyone can see)
          Components: drools-compiler, drools-core
    Affects Versions: 5.1.0.M2, 5.1.0.M1, 5.0.1.FINAL, 5.0.0.FINAL
            Reporter: Edson Tirelli
            Assignee: Edson Tirelli
             Fix For: 5.1.0.CR1


Up until now, the @expires policy was handled by the engine as a hint on the expiration offset for events, but that was causing several mistakes and misunderstanding by users. So, change the @expires policy to override and set a definitive expiration offset for events.

Example:

declare StockTick
   @role( event )
   @expires( 10m )
end

The above will cause StockTick events to be expired after 10m in memory, even if rules use temporal operators or sliding windows that would retain the event for more time, or would not require the event to be in memory for that amount of time.


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