Leonardo Uribe created MYFACES-3778:
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Summary: [perf] cache url and request path for default Resource
implementations
Key: MYFACES-3778
URL: https://issues.apache.org/jira/browse/MYFACES-3778
Project: MyFaces Core
Issue Type: Improvement
Components: JSR-344
Reporter: Leonardo Uribe
Assignee: Leonardo Uribe
Checking performance of the latest 2.2.x code, I have found that both url and
request path for default Resource instances are calculated over and over, but
they never change. The reason is you cannot add resources to the path
dynamically, which means all resources are static and does not change over
application lifetime, so it is safe to store these two values in the cache and
reuse them.
The only side effect detected is if two mappings (prefix and suffix) are used
on the same application, the request path for a resource will not be according
to the current mapping, but that's ok because one or the other should just the
same.
This will improve performance a bit. The reason is before this patch, each
Resource instace requires calculate the url and the request path. This is
relevant for composite components, because each composite component requires
create 1 Resource instance each time it is instantiated.
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