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 <zoi...@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
