I would just use the ObjectId
> On 15 Feb 2017, at 16:45, Hugi Thordarson <[email protected]> wrote:
>
> It can be useful in some cases—one example is if you want to be able to pass
> objects around in an API without triggering a DB fetch unless they are
> actually used.
>
> Cheers,
> - hugi
>
>
>> On 15. feb. 2017, at 15:28, Amedeo Mantica <[email protected]> wrote:
>>
>> no worries, but I cannot understand your goal, why do you want to get the
>> fault ?
>>
>>> On 15 Feb 2017, at 16:25, Hugi Thordarson <[email protected]> wrote:
>>>
>>> Thanks Ken, but the immediate fetch performed by Cayenne.objectForPk is
>>> precisely what I’d like to avoid.
>>>
>>> Cheers,
>>> - hugi
>>>
>>> S: Amedeo, sorry about calling you “Amadeo” in my last post. I have been
>>> properly lambasted.
>>>
>>>
>>>> On 15. feb. 2017, at 15:20, Ken Anderson <[email protected]>
>>>> wrote:
>>>>
>>>> I do this:
>>>>
>>>> dataObject = (DataObject) Cayenne.objectForPK(getObjectContext(),
>>>> MyEntity.class, oid);
>>>>
>>>> But it will do the fetch if it’s not already in cache.
>>>>
>>>> Ken
>>>>
>>>> Ken Anderson
>>>> CTO Amphora, Inc.
>>>> Mobile: +1 914 262 8540
>>>>
>>>>
>>>>
>>>> www.amphorainc.com <http://www.amphorainc.com/>
>>>>
>>>>
>>>>
>>>>
>>>> On 2/15/17, 9:59 AM, "Hugi Thordarson" <[email protected]> wrote:
>>>>
>>>> Thanks Amadeo, but I ended up creating a method that looks like this. It
>>>> would be nice to get some feedback on it, if I’m violating any Cayenne
>>>> Commandments.
>>>>
>>>> /**
>>>> * @return An existing object or fault if registered with the OC,
>>>> otherwise creates a new hollow object based on the given ObjectId.
>>>> */
>>>> public static Persistent faultForObjectId( ObjectContext oc, ObjectId
>>>> objectId ) {
>>>> Persistent object = (Persistent) oc.getGraphManager().getNode( objectId );
>>>>
>>>> if( object == null ) {
>>>> ClassDescriptor descriptor =
>>>> oc.getEntityResolver().getClassDescriptor(objectId.getEntityName());
>>>>
>>>> object = (Persistent) descriptor.createObject();
>>>>
>>>> object.setPersistenceState(PersistenceState.HOLLOW);
>>>> object.setObjectContext(oc);
>>>> object.setObjectId(objectId);
>>>>
>>>> oc.getGraphManager().registerNode(objectId, object);
>>>> }
>>>>
>>>> return object;
>>>> }
>>>>
>>>> Cheers,
>>>> - hugi
>>>>
>>>>
>>>>> On 15. feb. 2017, at 14:41, Amedeo Mantica <[email protected]> wrote:
>>>>>
>>>>> may be you want invalidateObject ?
>>>>>
>>>>>> On 15 Feb 2017, at 14:15, Hugi Thordarson <[email protected]> wrote:
>>>>>>
>>>>>> Hi all,
>>>>>> I need to get a fault for an ObjectId from an ObjectContext. How would I
>>>>>> do this?
>>>>>>
>>>>>> I don’t see any public API for this—the implementation of createFault in
>>>>>> CayenneContext seems to get me halfway there, but it will not return an
>>>>>> existing fault, only create new ones.
>>>>>>
>>>>>> Cheers,
>>>>>> - hugi
>>>>>
>>>>
>>>>
>>>>
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>>>
>>
>
