Assembly Bundle
---------------
Key: FELIX-217
URL: https://issues.apache.org/jira/browse/FELIX-217
Project: Felix
Issue Type: New Feature
Reporter: Felix Meschberger
Priority: Trivial
There are different threads on the dev list, which discuss around installing
bundles of bundles ([1], [2]). In this discussion, I presented the ideas behind
a bundle we built to manage the installation/update of a new system we are
building. To show more, how it is being done, I attach the code for this bundle
here. I put it under ASL 2 and would also agree to add it to Felix as a
contribution.
The goals behind this bundle are:
(1) In our system, we have potentially more than one source of
installation/upgrade order. So we had to find a solution of making these
processes thread safe in a sense, that another thread should not
install/update/remove bundles while another thread is for example trying to
deploy bundles through OBR. This is solved by having an InstallerService, which
should be used instead of directly doing BundleContext.installBundle, etc.
(2) Likewise we had to "serialize" uses of the OBR, which is also solved by the
InstallerService mentioned above.
(3) We defined the Assembly Bundle, which defines a set of bundles to be
installed together.
Any comments here or on the list are very welcome.
[1] http://www.mail-archive.com/felix-dev@incubator.apache.org/msg03809.html
[2] http://www.mail-archive.com/felix-dev@incubator.apache.org/msg04005.html
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