Thomas Watson created FELIX-5254:
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Summary: Improve structure of permutations to use unmodifiable
capability lists
Key: FELIX-5254
URL: https://issues.apache.org/jira/browse/FELIX-5254
Project: Felix
Issue Type: Bug
Components: Resolver
Affects Versions: resolver-1.8.0
Environment: All
Reporter: Thomas Watson
As discussed on the felix dev mailing list:
Implement a capability selection collection that
points to a constant list of capabilities and has an index to the currently
selected candidate for that permutation. That way there is no copying of
the constant list, instead we have a super lightweight collection that
points to the unmodifiable list of capabilities and just has an index.
Changing a Permutation would only involve incrementing that index instead
of removing from a copy on write list. We can then get rid of duplicate
capability lists since the list is unmodifiable it can be shared with
multiple selection index lists.
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