Check in initial baseline for subsystems implementation based on latest RFCs.
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Key: ARIES-728
URL: https://issues.apache.org/jira/browse/ARIES-728
Project: Aries
Issue Type: New Feature
Components: Subsystem
Reporter: John Ross
Checking in the initial baseline for the subsystems implementation based on the
latest Subsystems (RFC 152) and OBR (RFC 112) working drafts. Note that
subsystems is not currently part of the build. Moving forward, work will be
completed in more discrete, well-defined chunks.
I would describe the current states of RFC 112 and 152 as mature and maturing,
respectively. A lot of work remains to be done on the implementation and,
particularly, on the testing, however.
One major necessity is an implementation of the Resolver. Currently, subsystems
wraps the Resolver interface around the existing Felix OBR RepositoryAdmin as a
placeholder in order to have support for pulling in content and transitive
dependencies from remote repositories. However, this leaves out the wiring
state which will be used for things such as computing certain headers in the
subsystem and deployment manifests. Presumably, Felix will have a Resolver
implementation at some point in the future. We are also looking at the
possibility of implementing a Resolver on top of Equinox.
Over the next few weeks, I will be focusing primarily on hardening support for
features.
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