[jboss-jira] [JBoss JIRA] (DROOLS-120) Add ability to trait a map

[Davide Sottara (JIRA)]

     [ https://issues.jboss.org/browse/DROOLS-120?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Davide Sottara moved JBRULES-3701 to DROOLS-120:
------------------------------------------------

              Project: Drools  (was: JBRULES)
                  Key: DROOLS-120  (was: JBRULES-3701)
             Workflow: GIT Pull Request workflow   (was: jira)
    Affects Version/s: 5.5.0.Final
                           (was: 5.5.0.Final)
          Component/s:     (was: drools-core  (expert))

    
> Add ability to trait a map
> --------------------------
>
>                 Key: DROOLS-120
>                 URL: https://issues.jboss.org/browse/DROOLS-120
>             Project: Drools
>          Issue Type: Feature Request
>      Security Level: Public(Everyone can see) 
>    Affects Versions: 5.5.0.Final
>            Reporter: Ming Fang
>            Assignee: Davide Sottara
>
> Add ability to trait a Map as described by Mark Proctor here
> http://drools.46999.n3.nabble.com/rules-users-Maps-as-Object-in-Drools-td4019268.html
> <quote>
> //code below is illustrative of what is possible, if changes where mad for above idea.
> // Create interface
> Person
>     @Trait
>     String : name
>     int       : age
> end
> // Identify the Map instance, and wrap it with the Person interface.
> rule
>    $m : Map[ this['name'] != null, this['age'] != null )
> then
>     don( $m : Person.class );
> end
> // Now the map is identified in a type safe manner.
> rule
>     Person( name == "darth", age == 150 )
> then
>     ….
> end
> </quote>

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