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Subject: Re: Advice for managing large-scale OSGI repository for data analysis
From: Marcel Bruch <bruch@st.informatik.tu-darmstadt.de>
In-Reply-To: 
 <826E73BC-E54A-4917-B330-87CA0001A3B9@st.informatik.tu-darmstadt.de>
Date: Fri, 2 Sep 2011 19:04:05 +0200
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To: ivy-user@ant.apache.org

Hi Nicolas,


two minor fixes:

=
org.apache.ivy.osgi.p2.P2MetadataParser.UnitHandler.handleAttributes(Attri=
butes):

boolean singleton =3D Boolean.getBoolean(atts.getValue(SINGLETON));=20
--> changed to=20
boolean singleton =3D Boolean.parseBoolean(atts.getValue(SINGLETON));

Despite that this information is not used, calling Boolean.getBoolean =
seems to be wrong.


in org.apache.ivy.osgi.updatesite.UpdateSiteResolver.init()

loader.load(u);
 --> changed to:
RepoDescriptor repoDescriptor =3D loader.load(u);
setRepoDescriptor(repoDescriptor);

otherwise, repoDescriptor gets never initialized.


However, I couldn't make downloading and installing work due to other =
problems. I tried to follow your advice to iterate over all =
organisations and from there over all modules. This is the resulting =
code:

 String resolverName =3D url.toExternalForm();
 UpdateSiteResolver resolver =3D new UpdateSiteResolver();
 resolver.setName(resolverName);
 resolver.setUrl(url.toExternalForm());
 for (final OrganisationEntry organisation : =
resolver.listOrganisations()) {
   for (final ModuleEntry entry : resolver.listModules(organisation)) {
     System.out.println(entry);
   }
 }

resolver.listOganizations returns an empty list (which is not that =
amazing since there is no organization attribute).


thus, I tried to use the RepoDescriptor directly :

RepoDescriptor repo =3D opt.get();
for (final ModuleDescriptor module : (Set<ModuleDescriptor>)
 repo.getModules()) {
 ModuleRevisionId moduleRevisionId =3D
 module.getModuleRevisionId();
 ivy.install(moduleRevisionId, resolverName, "local-disk", new =
InstallOptions()
 setTransitive(true).setValidate(true).setOverwrite(true));
 }
}

This approach fails because Ivy cannot download the Artifacts because =
there is no URL associated with the artifact.
Any ideas?


Thanks,
Marcel