This is a big that is fixed in the ARIA-1 commit, which is waiting to be
merged.

If you don't mind helping to test, could you try with this branch?
https://github.com/apache/incubator-ariatosca/tree/ARIA-1-parser-test-suite

On Tue, Nov 28, 2017 at 11:13 AM, DeWayne Filppi <dewa...@cloudify.co>
wrote:

> I made a simple example that fails.  Maybe my example is a
> misinterpretation of what you said:
>
> tosca_definitions_version: tosca_simple_yaml_1_0
>
> imports:
>
>   - aria-1.0
>
> data_types:
>
>   d1:
>     properties:
>       p1:
>         type: string
>
>   d2:
>     derived_from: d1
>     properties:
>       p2:
>         type: string
>
> node_types:
>
>   T1:
>     derived_from: tosca.nodes.Root
>     properties:
>       n1:
>         type: d1
>
>
>   T2:
>     derived_from: T1
>     properties:
>       n1:
>         type: d2
>
>
> This produces the error:
>
>   4: override changes type from "d1" to "d2" for property "n1" in "T2
>
> On Tue, Nov 28, 2017 at 9:00 AM, Tal Liron <t...@cloudify.co> wrote:
>
> > You are correct that it's not entirely clear from the spec. However, I
> > always interpret the spirit of the spec to be object-oriented. That means
> > that in ARIA: yes, you can override a property, AS LONG AS the property
> > type is of compatible with (equal or derived from) the one in the parent.
> > ARIA will check for this and issue a validation error if you break the
> > parent's contract.
> >
> > On Tue, Nov 28, 2017 at 10:56 AM, DeWayne Filppi <dewa...@cloudify.co>
> > wrote:
> >
> > > If there is a node type that inherits from another node type, can a
> > > property in the parent be overridden by the subtype?  I'm having
> trouble
> > > getting a straight answer to that basic question from the spec.
> > >
> > > DeWayne
> > >
> >
>

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