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https://issues.apache.org/jira/browse/EXTSCRIPT-18?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12759474#action_12759474
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Werner Punz commented on EXTSCRIPT-18:
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Annotation scanning and recompilation in an language independend manner
Currently:
We do currently source scanning for annotations this can only work in java
and only works in a limited manner in java
Goal:
Annotatons should be processed on the fly and new ones automatically picked up
and altered ones being reprocessed.
Existing facilities, the class tracker which keeps track of already loaded
classes.
The MyFaces configuration object which keeps the data for the beans etc...
Following way should be provided. If an object loading or reinitialisation
runs into a class not found situation or resource not declared situation,
track down the sources which are not processed yet and do a compilation of them
then process the annotation and try to reload the class for further
processing.
Following interception points have to be triggered.
A the scripting weaver has to trigger the tracking code if a class cannot
be found.
Upon initial loading for beans etc... in the proxies if a null value
is given back we have to trigger the scanner and recompiler on this level as
well.
Extension to the tracker to deal with removed or renamed files.
The tracker upon running has to track if the file still exists and if not
has to remove the file from its list.
Also we have to remove the facilities from the configuration in this case!
PENDING removal:
Following has to be done for now:
a) provide the annotation scanning upon class loading every time a class
is loaded via our facilities we have to rescan the annotations
this can keep track of changes in the managed properties
b) if a class cannot be found on loader level we have to compile all source
files of the requested type
currently not found in the tracker and then try to load it again and reparse it
if the class still cannot be found we can fall back into the old class not
found code
(probably can be automatable via javac due to its nature of wildcarding)
if a facility under a certain id cannot be found we have to do a recompile of
all facilities
and then do a full reregistration scan of all annotations (note we also should
keep
track of the annotation states so that we can unregister deleted ones )
> check if annotations work and if not provide the needed code to make it work
> ----------------------------------------------------------------------------
>
> Key: EXTSCRIPT-18
> URL: https://issues.apache.org/jira/browse/EXTSCRIPT-18
> Project: MyFaces Extensions Scripting
> Issue Type: Sub-task
> Reporter: Werner Punz
>
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