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Posted to dev@sling.apache.org by "Carsten Ziegeler (JIRA)" <ji...@apache.org> on 2011/08/10 10:41:27 UTC
[jira] [Assigned] (SLING-2174) Leverage Framework interface to
better control framework startup
[ https://issues.apache.org/jira/browse/SLING-2174?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Carsten Ziegeler reassigned SLING-2174:
---------------------------------------
Assignee: Carsten Ziegeler
> Leverage Framework interface to better control framework startup
> ----------------------------------------------------------------
>
> Key: SLING-2174
> URL: https://issues.apache.org/jira/browse/SLING-2174
> Project: Sling
> Issue Type: Improvement
> Components: Launchpad
> Affects Versions: Launchpad Base 2.3.0
> Reporter: Felix Meschberger
> Assignee: Carsten Ziegeler
> Fix For: Launchpad Base 2.3.2
>
> Attachments: SLING-2174.patch
>
>
> During startup the bootstrap installer may install, update or uninstall system extension fragments which require the framework to be restarted for the action to properly complete.
> The current implementation solves the problem like this:
> - initialize the framework (Framework.init())
> - start the framework into startlevel 1 (Framework.start())
> - call bootstrap installer for install, update, uninstall
> - check whether a restart is required:
> - if yes: restart
> - otherwise: set start level to originally requested start level
> This is clumsy and dilutes the startup. Particularly the FRAMEWORK_STARTED event is fired without the framework startup to actually have completed.
> To fix this we can solve this easily using the Framework interface like this:
> Framework tmpFramework = createFramework(notifiable, logger, props);
> init(tmpFramework);
> if (new BootstrapInstaller(tmpFramework.getBundleContext(), logger, resourceProvider).install()) {
> init(tmpFramework);
> }
> tmpFramework.start();
> this.framework = tmpFramework;
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