[jboss-jira] [JBoss JIRA] Updated: (JBRULES-3075) window:length windows retaining events when they shouldnt

[Radai Rosenblatt (JIRA)]

     [ https://issues.jboss.org/browse/JBRULES-3075?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Radai Rosenblatt updated JBRULES-3075:
--------------------------------------

    Attachment: drools length window bug.zip


maven project demonstrating a bug with fusion window:length in 5.2.0.CR1

> window:length windows retaining events when they shouldnt
> ---------------------------------------------------------
>
>                 Key: JBRULES-3075
>                 URL: https://issues.jboss.org/browse/JBRULES-3075
>             Project: Drools
>          Issue Type: Bug
>      Security Level: Public(Everyone can see) 
>          Components: drools-core (fusion)
>    Affects Versions: 5.2.0.CR1
>         Environment: win64, jdk 6u24
>            Reporter: Radai Rosenblatt
>            Assignee: Mark Proctor
>         Attachments: drools length window bug.zip
>
>
> using the following DRL:
> package contrived.example
> import contrived.example.EventWithTimestamp
> declare EventWithTimestamp
>     @role(event)
> 	@duration( duration )
>     @timestamp( timestamp )
> end
> rule "no event in window"
> when
>     not EventWithTimestamp (someProp=="whatever") over window:length(3) from entry-point "Event Stream"
> then
>     System.err.println("retract");
> end
> if we start with an initial matching (someProp=="whatever") event and a fire a long sequence of non-matching events:
> {"something else", "something else" ... "something else"}
> the rule should fire sometime into the long chain of "something else" events (it should fire after the 3rd such event).
> in practice the rule never fires. worse, it also retains all the events in memory ehrn it should only keep the last 3.
> to reproduce the issue, simply build the attached maven project (mvn clean install)

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