[jbosstools-issues] [JBoss JIRA] Commented: (JBIDE-4514) Improve performance of Seam Validator when a Java file is modified

[Julien Kronegg (JIRA)]

    [ https://jira.jboss.org/jira/browse/JBIDE-4514?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12473836#action_12473836 ] 

Julien Kronegg commented on JBIDE-4514:
---------------------------------------

I tested on CRUD application with 360 .xhtml/.page.xml files, and edited one Java file without Seam component, then edited one Java file with a Seam component (EntityHome) .
The EntityHome @Name and its @In properties (3 of them) are referred in 52 page.xml files and 8 xhtml files.
There are 183 xhtml files with "Context variable cannot be resolved".
Before each test, the project is cleaned and all files are automatically validated (validation duration is taken into account at this point.


3.0.1.GA-R200905070146-H18 (default Seam Validator configuration)
When editing/saving the Java file without Seam component: 25 seconds
When editing/saving the Java file with EntityHome: 25 seconds

3.1.0.M2-N200906231801-H289 (default Seam Validator configuration)
When editing/saving the Java file without Seam component: almost immediate validation (less than one second)
When editing/saving the Java file with EntityHome: 5 seconds

3.1.0.M2-N200906241801-H293 (default Seam Validator configuration)
When editing/saving the Java file without Seam component: almost immediate validation (less than one second)
When editing/saving the Java file with EntityHome: 5 seconds
After unchecking "Revalidate unresolved ELs automatically", the Seam Validator duration did not change.
After unchecking all checkboxes and setting each level to Ignore in "Expression language"; when editing/saving the Java file with EntityHome:  almost immediate validation (less than one second)

Thank you Alexey for the fix. You saved our team a lot of time. But the 5 seconds is still a lot for a simple save operation. Let's have a try for some days, then we can come back to the workaround of disabling "Expression language" validations.

> Improve performance of Seam Validator when a Java file is modified
> ------------------------------------------------------------------
>
>                 Key: JBIDE-4514
>                 URL: https://jira.jboss.org/jira/browse/JBIDE-4514
>             Project: Tools (JBoss Tools)
>          Issue Type: Feature Request
>          Components: Seam
>    Affects Versions: 3.0.0.GA
>         Environment: JBossTools-ALL-win32-3.0.1.GA-R200905070146-H18, Seam 2.1.2.GA
>            Reporter: Julien Kronegg
>            Assignee: Alexey Kazakov
>             Fix For: 3.1.0.M2
>
>         Attachments: screenshot-1.jpg
>
>
> Seam Validator checks EL expressions in WebContent/*.xhtml pages when a Java file is modified.
> On a Intel Core2 1.83 GHz T5600 machine with 2 GB RAM, it takes about 0.5 second per XHTML page generated by seam-gen (and modified using the workaround described in JBIDE-4512 to have no "property cannot be resolved" warnings). This is very high and has a big impact if you got a lot of XHTML pages (I got 150 of them!).
> So it would be nice if the whole validation process could take about 2-5 seconds (instead of about 2 minutes for me).

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