[jbossseam-issues] [JBoss JIRA] Closed: (JBSEAM-2141) Support for EL without reflection for better JSF performance

[Pete Muir (JIRA)]

     [ https://jira.jboss.org/jira/browse/JBSEAM-2141?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Pete Muir closed JBSEAM-2141.
-----------------------------

    Resolution: Duplicate Issue


Lets merge this all into a single issue, Jay will evaluate how much a bottleneck EL is.

> Support for EL without reflection for better JSF performance
> ------------------------------------------------------------
>
>                 Key: JBSEAM-2141
>                 URL: https://jira.jboss.org/jira/browse/JBSEAM-2141
>             Project: Seam
>          Issue Type: Feature Request
>          Components: EL, Performance and Scalability
>            Reporter: Mikhail Grushinskiy
>
> Support for EL without reflection for better JSF performance.
> The idea is to add a new tag to declare types of the variables used on a page and use this type information
> to compile EL expressions into byte-code during initialization (deployment)
> Ex:
> If the page contains at the beginning
> <s:typedef var="myBean" class="com.company.package.Bean" />
> then all EL expressions can be compiled into bytecode at initialization time (and no reflection will be used for myBean access.
> <h:outputText value="#{myBean.subBean.property}" rendered="#{myBean.renderText}" />
> Some examples of implementation of compiled EL can be found here 
> http://sixlegs.com/blog/java/compiled-el.html
> This should help much with JSF performance issues
> Thanks

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