[forge-issues] [JBoss JIRA] (FORGE-2752) Introduce extension points in the existing Java EE commands

[Chris Laprun (JIRA)]

    [ https://issues.jboss.org/browse/FORGE-2752?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13421302#comment-13421302 ] 

Chris Laprun commented on FORGE-2752:
-------------------------------------

Example of things that could also make it easier to reuse commands:
- Make it easier to parse results (i.e. make it possible to know is a result is a success or failure)
- Make it possible to modify the values of inputs of commands (for example to automatically provide values to inputs) when using a command transformer.


> Introduce extension points in the existing Java EE commands
> -----------------------------------------------------------
>
>                 Key: FORGE-2752
>                 URL: https://issues.jboss.org/browse/FORGE-2752
>             Project: Forge
>          Issue Type: Enhancement
>          Components: Java EE
>    Affects Versions: 3.7.0.Final
>            Reporter: George Gastaldi
>             Fix For: 3.x Future
>
>
> JPA and REST commands are used in the Java EE addon but could perform differently when using another technology (like Spring Boot, for example). 
> Example: 
> JPA: In Spring Boot, there is no {{persistence.xml}}, but an {{application.properties}} file that contains the necessary information.
> REST: Even though JAX-RS is not used, the generated REST endpoints would need extra annotations to perform correctly. This is accomplished now 
> Right now the JPASetupWizard for example delegates the action to a PersistenceOperations class directly. It would be nice if we could introduce some indirection (or even extract to a common addon) in the commands.execute() method.
> One idea is to have a Command -> Facet -> Operations sequence, so other technologies (like Spring Boot) could reuse the same command by only implementing a different facet.



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