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From Gerhard Petracek <gerhard.petra...@gmail.com>
Subject Re: Best practices for validating an complete object/entity
Date Wed, 16 Nov 2011 17:00:24 GMT
hi thomas,

ok - in this case you can find the answer in the 2nd thread you opened.

regards,
gerhard

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2011/11/16 Thomas Andraschko <zoigln@googlemail.com>

> Hi Gerhard,
>
> thanks for your reply.
>
> Of course but the feature i missing is: how can the #{bean.entity} be
> validated automatically?
> Because it's not binded with an inputField, it will not be automatically be
> validated within the Process Validations phase.
>
> Thanks,
> Thomas
>
> 2011/11/16 Gerhard Petracek <gerhard.petracek@gmail.com>
>
> > hi thomas,
> >
> > extval as well as codi allow dependency injection in
> constraint-validators.
> > -> you can inject and call e.g. a service or repository or any other bean
> > to check if a name already exists (see e.g. [1]).
> >
> > regards,
> > gerhard
> >
> > [1]
> >
> >
> https://cwiki.apache.org/confluence/display/EXTCDI/BV+Usage#BVUsage-DependencyInjectioninConstraintValidators
> >
> > http://www.irian.at
> >
> > Your JSF powerhouse -
> > JSF Consulting, Development and
> > Courses in English and German
> >
> > Professional Support for Apache MyFaces
> >
> >
> > 2011/11/16 Thomas Andraschko <zoigln@googlemail.com>
> > >
> > > Hi,
> > >
> > > i have some input fields for an entity and i want to check if the
> entered
> > > name does already exist.
> > > So i tried to create an BV constraint for the name property but i also
> > need
> > > the parent entity object (for checking if the entity is transient or
> > not).
> > > In a BV validator i can't get the the parent entity - so it's useless.
> > > The other idea was to attach it on bean property level for the entity:
> > >
> > > @UniqueName
> > > private Entity entity.
> > >
> > > <p:inputText value=#{bean.entity.name}" />
> > >
> > > But this wont validate the entity.
> > > I thought about an custom converter and binding the #{bean.entity}.
> > > The problem is, in getAsObject i must load the entity by the name and
> the
> > > bean.entity will be overwritten. Or not?
> > >
> > > How can i prevent that the #{bean.entity} will be overwritten?
> > > Is there another solution for validate the entity?
> > >
> > > I also use CODI and ExtVal.
> > >
> > > Thanks!
> > >
> > > Best regards,
> > > Thomas
> >
>

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