[jira] [Commented] (BROOKLYN-454) Can't chain `$brooklyn:config("entity")` with subsequent DSL expressions

["Aled Sage (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/BROOKLYN-454?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15937331#comment-15937331 ] 

Aled Sage commented on BROOKLYN-454:
------------------------------------

[~alex.heneveld] said on the mailing list about this issue:

I think you can say {{$brooklyn:entity(config("entity")).attributeWhenReady("sensor")}} - is that good enough (and notify this in the docs)?


> Can't chain `$brooklyn:config("entity")` with subsequent DSL expressions
> ------------------------------------------------------------------------
>
>                 Key: BROOKLYN-454
>                 URL: https://issues.apache.org/jira/browse/BROOKLYN-454
>             Project: Brooklyn
>          Issue Type: Bug
>         Environment: Brooklyn 0.11.0-SNAPSHOT
>            Reporter: Duncan Godwin
>
> Brooklyn seems to evaluate {{$brooklyn:config}} incorrectly in a latch. The following used to work in Apache Brooklyn 0.10.0 but no longer does:
> {code}
> location: localhost
> services:
> - type: org.apache.brooklyn.entity.stock.BasicApplication
>   name: my-parent
>   brooklyn.config:
>     root.entity: $brooklyn:self()
>   brooklyn.children:
>   - type: org.apache.brooklyn.entity.software.base.VanillaSoftwareProcess
>     name: my-child
>     brooklyn.config:
>       launch.command: echo Launching
>       checkRunning.command: echo CheckRunning
>       stop.command: echo Stopping
>       launch.latch: $brooklyn:config("root.entity").attributeWhenReady("sensorInParent")
> {code}
> The following does work:
> {code}
> location: localhost
> services:
> - type: org.apache.brooklyn.entity.stock.BasicApplication
>   name: my-parent
>   brooklyn.config:
>     root.entity: $brooklyn:self()
>   brooklyn.children:
>   - type: org.apache.brooklyn.entity.software.base.VanillaSoftwareProcess
>     name: my-child
>     brooklyn.initializers:
>     - type: org.apache.brooklyn.core.sensor.StaticSensor
>       brooklyn.config:
>         name: root.entity
>         targetType: org.apache.brooklyn.api.entity.Entity
>         static.value: $brooklyn:config("root.entity")
>     brooklyn.config:
>       launch.command: echo Launching
>       checkRunning.command: echo CheckRunning
>       stop.command: echo Stopping
>       launch.latch: $brooklyn:attributeWhenReady("root.entity").attributeWhenReady("sensorInParent")
> {code}



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