Our software have a specific behaviour that applies to all the functionalities, what change in mosts cases is the Entity used in operations, and for that we need specific implementation for @Repositoy layer.
So, we develop an "simple" architecture @RestController
-> @Service
-> @Repository
with some generics, to work for all the functionality. Like this:
@RestController
@RequestMapping("test")
// This is specific implementation
public class DiariasApi implements DefaultApiInterface<DiariasDTO, DiariasDTOFilter, Integer> {
@Autowired
private DefaultService<DiariasDTO, DiariasDTOFilter, Integer> defaultService;
@Override
@GetMapping("/page")
public Page<DiariasDTO> pageSearch(final DiariasDTOFilter filter) {
return this.defaultService.pageSearch(filter);
}
@Override
@GetMapping("/detail")
public DiariasDTO detail(@PathVariable("key") final Integer key) {
return this.defaultService.detail(key);
}
}
@Service
// This is generic implementation
public class DefaultService<D extends Serializable, F extends Serializable, C> {
@Autowired
// The Problem is here.
// Here I want the call to be the specific @Repository.
private DefaultRepositoryInterface<D, F, C> defaultRepository;
@Transactional(readOnly = true)
public Page<D> pageSearch(final F filter) {
return this.defaultRepository.pageSearch(filter);
}
@Transactional(readOnly = true)
public D detail(final C key) {
return this.defaultRepository.detail(key);
}
}
@Repository
// This is specific implementation
public class DiariasRepository implements DefaultRepositoryInterface<DiariasDTO, DiariasDTOFilter, Integer> {
@Override
public Page<DiariasDTO> pageSearch(final DiariasFiltro filtro) {
//some specific code;
}
@Override
public Optional<DiariasDTO> detail(final Integer key) {
//some specific code;
}
We want to implement only the @RestController
and the @Repository
for each functionality, and let the @Service
layer be only one generic bean that knows how to call the specific @Repository
. But when we do that and have more than one implementation we receive the following error message, witch tells us the problem with @Autowired
:
Description:
Field defaultRepository in package.DefaultService required a single bean, but 2 were found:
- conveniosRepository: defined in file ...
- diariasRepository: defined in file ...
We want the @Service
layer to be unique, can we do that?
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