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https://issues.apache.org/jira/browse/GERONIMO-6305?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13239548#comment-13239548
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Jarek Gawor commented on GERONIMO-6305:
---------------------------------------
John,
I was thinking about using the following algorithm (as shown below) that relies
on PackageAdmin to get the accurate bundle dependencies. I'm concerned that
relying on BundleInfo especially from OBR might return out-of-date / inaccurate
dependency information.
Example sorting code (not tested):
Set<Bundle> applicationBundles;
Set<Bundle> sort() {
Set<Bundle> sorted = new LinkedHashSet<Bundle>();
for (Bundle b : applicationBundles) {
add(b, sorted);
}
return sorted;
}
add(Bundle bundle, Set<Bundle> sorted) {
ExportPackage[] packages = packageAdmin.getExportedPackages(bundle);
if (packages is non null) {
for (ExportedPackage exportedPackage : packages) {
Bundle[] importingBundles = exportedPackage.getImportingBundles();
for (Bundle importingBundle : importingBundles) {
if (sorted.contains(importingBundle) {
// already processed - skip it
} else if (applicationBundles.contains(importingBundle) {
add(importingBundle, sorted);
} else {
// dependency outside of applicationBundles - ignore it
}
}
}
}
sorted.add(bundle);
}
> Start bundles in EBA according to bundle dependencies
> -----------------------------------------------------
>
> Key: GERONIMO-6305
> URL: https://issues.apache.org/jira/browse/GERONIMO-6305
> Project: Geronimo
> Issue Type: New Feature
> Security Level: public(Regular issues)
> Components: osgi-bundles
> Reporter: Yi Xiao
> Assignee: Yi Xiao
> Attachments: startBundlesInOrder_6305.patch
>
>
> As the bundles have the dependency, so need to provide the correct order when
> they start up.
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