[Development] API Change in QtRemoteObjects

Ch'Gans chgans at gna.org
Sat Jan 2 22:45:55 CET 2016

Was going through the changes out of curiosity and found that:
Is a '\n' is missing at line 51? See

My 2 cents,

On 3 January 2016 at 06:51, Stottlemyer, Brett (B.S.) <bstottle at ford.com> wrote:
> Hello,
> For those of you using the QtRemoteObjects playground module (QtRO for
> short), some changes went in over the holidays that changed the public
> API.  So you will need to update your code when you update to any version
> of master past 16959709b59db45c07385ecc13b76061de851edf (or see the
> (merged) review: https://codereview.qt-project.org/#/c/144624/).
> From the commit message:
>> Convert Nodes to QObject based class(es)
>> This change affects lots of lines of code, but is
>> basically a refactoring, not changing much.  It
>> does change the QtRO API, though.
>> In the interest of making it easier to expose QtRO
>> types to QML, the move to QObject types for Nodes was
>> necessary.
>> The static generators allowed for different "types²
>> of Nodes to be created with different combinations of
>> 1 or 2 QUrl parameters, but this also forced a Node
>> type that had methods that might not make sense (for
>> instance, enableRemoting() from a Node that wasn't a
>> Host Node).  And Nodes needed to be copy-able.
>> This change addresses those issues by creating
>> three distinct types.  QRemoteObjectNode is
>> the most basic type, and only supports acquiring
>> Replica objects.  QRemoteObjectHost Nodes add the
>> ability to share Source objects on the network.  Both
>> Node and Host types support connecting to a Registry.
>> QRemoteObjectRegistryHost Nodes host a Registry object
>> other nodes can connect to.
>> This change requires converting end-user code from
>> the static functions (createHostNode, etc) to using
>> the new types explicitly.
>> Aside from the obvious change from static generator
>> functions, there are two other impacts to user code:
>> 1) connect() was renamed to connectToNode to not
>> conflict with QObject's connect()
>> 2) default QUrls for Hosting and Registry were removed
>> (it was too easy to create name clashes with unexpected
>> results).
> Apologies for any inconvenience, but this will make QML integration
> simpler, and makes the APIs more aligned with other Qt APIs.
> Happy Holidays/Happy New Year!
> Brett
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