Properties and attributes have no relationship. I always assumed the reflection was a convenience. Attributes are per instance, not per node.
On Thu, Nov 16, 2017 at 2:54 PM, Tal Liron <t...@cloudify.co> wrote: > The reason I think this is a bad feature is that TOSCA makes such a clear > effort to separate properties from attributes, but then this reflection > features means that basically it's enough to only have properties... > > My proposal for TOSCA 2.0 would be to have *just* properties and to allow > some properties to have "mutable: true" if you want then to behave like an > attribute. > > On Thu, Nov 16, 2017 at 3:01 PM, Steve Baillargeon < > steve.baillarg...@ericsson.com> wrote: > > > Hi Tal > > I found the magic statement in 3.5.8.1.1 > > Yes the reflected attribute name must be the same as the property name > for > > the reflection feature. > > Now I understand your second point. Thanks for your patience. > > > > Why do you think it is a bad feature? > > Property is the desired value while reflected attribute is the actual > > value. > > It seems logical to show actual value. > > Or are you saying the actual value will always be the same as the desired > > value and the reflected attribute is useless? > > > > -Steve > > > > > > > > -----Original Message----- > > From: Tal Liron [mailto:t...@cloudify.co] > > Sent: Thursday, November 16, 2017 3:49 PM > > To: dev@ariatosca.incubator.apache.org > > Subject: Re: Attribute and Property Reflection > > > > The reflection feature is mentioned very, very briefly in just that one > > sentence in the spec. They is no mention of changing names, so I am > > expecting that the attribute names would be identical to the property > > names. In that case, there would be a conflict if an attribute has the > same > > name as a property -- otherwise how would the property be reflected? > That's > > why I'm assuming that for this to work we should not allow an attribute > > name to override a property name. > > > > My preferred solution is not to add any custom prefixes in ARIA, because > > they would not be portable > > > > The TOSCA spec has many authors, and it would be hard to track down the > > particular one who wrote this sentence... Personally, I think this is an > > awful and unclear feature. > > > > On Thu, Nov 16, 2017 at 2:43 PM, Steve Baillargeon < > > steve.baillarg...@ericsson.com> wrote: > > > > > Back 1 step please. > > > Are you saying that attribute names and property names within a Type > > > MUST be different? > > > As far as I know they can be the same e.g. <attribute_name_1> = > > > <property_name 1> > > > > > > attributes: > > > <attribute_name_1>: > > > type:string > > > properties: > > > <property_name 1>: > > > type:string > > > > > > > > > Back to reflection. > > > I am proposing <attribute_name> = actual_<property_name> But I think > > > it is best if I ask further clarification from YAML Profile authors. > > > What do you think? > > > What is your preferred solution? > > > > > > -Steve > > > > > > > > > > > > > > > -----Original Message----- > > > From: Tal Liron [mailto:t...@cloudify.co] > > > Sent: Thursday, November 16, 2017 3:15 PM > > > To: dev@ariatosca.incubator.apache.org > > > Subject: Re: Attribute and Property Reflection > > > > > > Steve, we cannot change the TOSCA spec, and the spec does not say > > > anything about naming conventions here. > > > > > > I think, though, that an obvious part of this JIRA will be to emit an > > > error if an attribute name is the same as a property name, because > > > obviously this would break this feature. > > > > > > On Thu, Nov 16, 2017 at 2:12 PM, Steve Baillargeon < > > > steve.baillarg...@ericsson.com> wrote: > > > > > > > I see the following text in the JIRA: > > > > According to the TOSCA 1.0 spec, property value should be 'exposed', > > > > with the same name, as attributes. > > > > > > > > Does the spec really say to use the same name? As far as I know it > > > > does not. > > > > What about using a better reflected attribute naming convention like > > > > “actual_<property_name>”? > > > > Can I add this to the JIRA? > > > > > > > > -Steve B > > > > > > > > -----Original Message----- > > > > From: Tal Liron [mailto:t...@cloudify.co] > > > > Sent: Thursday, November 16, 2017 2:48 PM > > > > To: dev@ariatosca.incubator.apache.org > > > > Subject: Re: Attribute and Property Reflection > > > > > > > > Not right now, but there is an open JIRA to support it. > > > > > > > > On Thu, Nov 16, 2017 at 1:42 PM, Steve Baillargeon < > > > > steve.baillarg...@ericsson.com> wrote: > > > > > > > > > Hi > > > > > Does ARIA support "attribute and property reflection" defined in > > > > 3.5.10.1? > > > > > > > > > > Regards > > > > > Steve B > > > > > > > > > > > > > > > > > > > >
