Make resolver more robust
-------------------------
Key: FELIX-285
URL: https://issues.apache.org/jira/browse/FELIX-285
Project: Felix
Issue Type: Improvement
Components: Bundle Repository (OBR)
Affects Versions: 0.8.0
Reporter: Bart Elen
Fix For: 0.8.0
There are two issues with the resolver of the current OBR implementation:
1) It does not try each possible composition
Suppose we want to install bundle A, and A has a requirement which can be
fulfilled by bundle B or C. B itself has a requirement which can be fulfilled
by bundle X and bundle C has a requirement which can be fulfilled by bundle Y.
A-B-X
A-C-Y
Suppose now that bundle X is not available (or can not be installed on the
local platform)
A-B-
A-C-Y
composition A-C-Y is now a correct composition, but the current implementation
will notice that bundle B can not be resolved and will then stop. OBR will not
always detect the correct composition.
2) Bundles are not always updated
Suppose we want to install bundle A which has a requirement which can be
fulfilled by bundle B.
A-B
An old version of bundle B is already locally installed on the platform but a
newer version is available on the repository server. The current OBR
implementation will detect that the requirement of A can be met by the locally
installed old version of B and it will not check for a newer version on the
repository server.
This is my first issue submit ever. Feedback to make it better is appreciated.
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