spring data jpa inheritance example best way handling

Example 1: spring data jpa inheritance repository

@Transactional
public interface SpecialEquipmentRepo extends AbstractRepository<SpecialEquipment,Long>{

}

Example 2: spring data jpa inheritance repository

@NoRepositoryBean
public interface AbstractRepository<T extends AbstractEquipment> 
        extends CrudRepository<T, Long>{

 @Query("select e from #{#entityName} as e from equipment where e.name = equipmentName")
 T findEquipmentByName(String equipmentName);

}