Stefan Seifert created SLING-4521:
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Summary: Commons OSGi: Add helper class for thread-safe access
list of ranked service dependencies
Key: SLING-4521
URL: https://issues.apache.org/jira/browse/SLING-4521
Project: Sling
Issue Type: New Feature
Components: Commons
Reporter: Stefan Seifert
Assignee: Stefan Seifert
Priority: Minor
Fix For: Commons OSGi 2.2.4
the ServiceUtil.getComparableForServiceRanking method provides a great way to
create a sorted list of service references ordered by their ranking.
but using it still requires too much boilerplate code which has to be copied
for each usecase, typos may be undetected and lead to subtile threading issue.
such typos happened e.g. in the sling models implementation where accessing
ranked list of services is used much.
this ticket adds a new RankedServices class which implements the threading
details and - for additional convenience - the Iterable interface to allow
direct iteration about the references list of services in a thread-safe manner.
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