[jboss-jira] [JBoss JIRA] (JBRULES-3064) dialect "mvel" flouts generic parameters

[Edson Tirelli (Commented) (JIRA)]

    [ https://issues.jboss.org/browse/JBRULES-3064?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12632504#comment-12632504 ] 

Edson Tirelli commented on JBRULES-3064:
----------------------------------------

As Mark mentioned, this is a dialect characteristic. MVEL does not support generics syntax. When it starts supporting it, we will support it as well. Meanwhile, if you want to use generic syntax, please use the java dialect.
                
> dialect "mvel" flouts generic parameters
> ----------------------------------------
>
>                 Key: JBRULES-3064
>                 URL: https://issues.jboss.org/browse/JBRULES-3064
>             Project: Drools
>          Issue Type: Bug
>      Security Level: Public(Everyone can see) 
>          Components: drools-compiler (expert)
>    Affects Versions: 5.2.0.CR1
>            Reporter: Wolfgang Laun
>            Assignee: Edson Tirelli
>            Priority: Blocker
>             Fix For: 5.3.0.Final
>
>
> Given the rule
> =============================================
> rule x
> dialect "mvel"
> when
> then
>     List<Integer> l = new ArrayList<Integer>();
> end
> =============================================
> we get the error
> =============================================
> Unable to Analyse Expression List x = new ArrayList<Integer>();
> [Error: Failed to compileShared: 1 compilation error(s): 
>  - (1,23) could not resolve class: ArrayList<Integer>]
> [Near : {... List x = new ArrayList<Integer>(); ....}]
>                           ^
> [Line: 1, Column: 23]

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