[jboss-jira] [JBoss JIRA] (DROOLS-440) Add JMX management beans for the Kie Scanner

[Edson Tirelli (JIRA)]

     [ https://issues.jboss.org/browse/DROOLS-440?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Edson Tirelli resolved DROOLS-440.
----------------------------------

    Resolution: Done


This is done to the extent of the functionality that the underlying scanner exposes. 

To enable scanner mbeans, for now, we are using a system property: kie.scanner.mbeans = enabled .

We need to improve this in the future when we add support to a configuration framework.
                
> Add JMX management beans for the Kie Scanner
> --------------------------------------------
>
>                 Key: DROOLS-440
>                 URL: https://issues.jboss.org/browse/DROOLS-440
>             Project: Drools
>          Issue Type: Feature Request
>      Security Level: Public(Everyone can see) 
>    Affects Versions: 6.1.0.Beta1
>            Reporter: Edson Tirelli
>            Assignee: Edson Tirelli
>             Fix For: 6.1.0.Beta2
>
>
> ==== from Mario ====
> Edson,
> I added some of the requested features with this commit: https://github.com/droolsjbpm/drools/commit/d90c02ee3
> In particular:
>  
> 1) list all deployed KieScanners
> I added a KieScannersRegistry so you can obtain this list by invoking KieScannersRegistry.getAllKieScanners()
>  
> 2) Display the GAV (ReleaseID) the KieScanner was created from. The V should be editable. Changing forces the KieScanner to update to the resulting effective version.
> InternalKieScanner.getScannerReleaseId()
> I don't think that allowing to change the ReleaseId would be a good idea. Actually that RelaseId doesn't belong to the KieScanner but to the KieContainer for which the KieScanner has been created. This implies that I should change it on the KieContainer and I am not sure this is correct. Moreover what happens if you set a version that actually doesn't exist on the maven repo?
>  
> 3) Display the effective GAV. i.e. if they say 1.0-SNAPSHOT for 2) this one would show which snapshot was used. Same for version ranges.
> InternalKieScanner.getCurrentReleaseId()
>  
> 4) allow “scanNow” to be invoked.
> KieScanner.scanNow()
>  
> 5) allow the interval to be edited, including turning off.
> KieScanner.stop()
> KieScanner.start(long pollingInterval)
> Note that if you want to change the pollingInterval you have to first invoke stop and then do a restart with the new pollingInterval.
>  
> 6) Display the status, such as “starting, updating, running” (not quite sure we can do this now)
> InternalKieScanner.getStatus() 
>  
> I am using the following Status defined in InternalKieScanner (I hope they makes sense but in case you want to change something about them let me know)
>     public enum Status {
>         STARTING, SCANNING, UPDATING, RUNNING, STOPPED;
>     }

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