Georg Henzler created SLING-4417:
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Summary: HC Annotation should allow to configure "immediate" SCR
property
Key: SLING-4417
URL: https://issues.apache.org/jira/browse/SLING-4417
Project: Sling
Issue Type: New Feature
Components: Health Check
Reporter: Georg Henzler
When using @SlingHealthCheck at the moment, the "immediate" property is left to
"false" in the SCR descriptor which causes the component object to be created
on every call of the health check (making it impossible to keep some state in a
private member variable if desired).
Let's make the immediate property configurable (the same way it would be
provided in the @Component annotation) and make immediate="true" the default
(this is a slight change in the behaviour that will not break existing code)
for the following reasons:
- It's more intuitive to think of a HC as singleton (and hence be able to keep
some instance variables)
- It's a tiny little bit better from a performance perspective (the instance
does not have to be created on each execution)
The attached patch includes the (fairly simple) change to
annotation(-processor) and the change for two sample components that were using
@Component because of this issue.
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