[Framework] Cache PackageAdmin.getBundle() result for system bundle classes
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Key: FELIX-2805
URL: https://issues.apache.org/jira/browse/FELIX-2805
Project: Felix
Issue Type: Improvement
Components: Framework
Affects Versions: framework-3.0.7
Reporter: Richard S. Hall
Assignee: Richard S. Hall
Priority: Minor
Fix For: framework-3.0.8
The implementation of PackageAdmin.getBundle() tries to return the system
bundle for classes coming from packages exported by the system bundle, although
technically these classes come from the class path. To determine if a class
comes from the system bundle, it must be loaded by the system bundle, which
delegates to the parent class loader, and this is compared to the specified
class to determine if they are indeed the same class. This can be costly given
the search space of the parent class loader. We could introduce a weak hash map
to maintain a cache of results to improve performance.
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