[jboss-jira] [JBoss JIRA] (WFLY-2915) Configure child resources as mandatory or its cardinality in ResourceDefinition

[Brian Stansberry (JIRA)]

     [ https://issues.jboss.org/browse/WFLY-2915?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Brian Stansberry updated WFLY-2915:
-----------------------------------

    Fix Version/s: 9.0.0.CR1

    
> Configure child resources as mandatory or its cardinality in ResourceDefinition
> -------------------------------------------------------------------------------
>
>                 Key: WFLY-2915
>                 URL: https://issues.jboss.org/browse/WFLY-2915
>             Project: WildFly
>          Issue Type: Enhancement
>      Security Level: Public(Everyone can see) 
>          Components: Domain Management
>    Affects Versions: 8.0.0.Final
>            Reporter: Pedro Igor
>             Fix For: 9.0.0.CR1
>
>
> Currently, the ResourceDefinition does not provide a good way to configure a child resource as mandatory or even its cardinality. Instead of that, manual validations are required inside handlers.
> The idea is remove manual validations and let it be done automatically by the model.
> Considering the following example:
> {code:xml}
> <parent-resource>
>     <child-resource/>
> </parent-resource>
> {code}
> Would be useful if we could mark the 'child-resource' above as mandatory. Or even:
> {code:xml}
> <parent-resource>
>     <child-resource/>
>     <child-resource/>
>     <child-resource/>
>     <child-resource/> <!-- This is invalid. Only 3 childs are supported. -->
> </parent-resource>
> {code}
> Where we can specify the cardinality for a child-resource so we can configure the min/max occurrences.
> I think the latter approach is more flexible and can be used to get a resource as mandatory or specify its number of occurrence.

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