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From: Andrus Adamchik <andrus@objectstyle.org>
Subject: Re: Lifecycle Callback
Date: Mon, 30 Oct 2006 14:03:28 -0500
To: cayenne-dev@incubator.apache.org

> Most of the callbacks are working now. But I can't seem to get the
> prePersist method work as expected? PrePersist is never called,  
> although I
> registered all the possible events. Do you have an idea?

One thing to check - is your application using preInterceptor  
ObjectContext wrapper, or dataContext? It should be the former.

Andrus


On Oct 30, 2006, at 12:35 PM, Adrian Wiesmann wrote:
> Hi Andrus
>
>> Your code is right, but an extra setup is needed - DataContext needs
>> to be decorated in two callback interceptors. I haven't documented it
>> yet, as we still need to come up with a more transparent procedure.
>> But here is how I am doing it in my apps:
>
> Thanks for helping me out with this.
>
> I have one comment (for the log, perhaps others want to try that as  
> well).
>
>
>> // build interceptor sitting between DD and DC - one interceptor can
>> // be shared by multiple DataContexts.
>> DataChannel postInterceptor = new DataChannelCallbackInterceptor();
>> postInterceptor.setChannel(domain);
>
> There is no setChannel method on the DataChannel Interface. I guess  
> this
> is a typo and should read like this?:
>
> DataChannelCallbackInterceptor postInterceptor = new
> DataChannelCallbackInterceptor();
>
> Most of the callbacks are working now. But I can't seem to get the
> prePersist method work as expected? PrePersist is never called,  
> although I
> registered all the possible events. Do you have an idea?
>
> Thanks again,
> Adrian
>