Query creation in Spring Data - dynamic where clause

Question

Is there a way in Spring data to dynamically form the where clause?

What I want to do is have a method (which is like the findBy / get method) which runs a WHERE and

Answer 1

Another solution: You can extend your JPA repo interface using custom fragment interfaces.

1. Define your custom methods on a new interface

   public interface PersonFragRepository {
       List findPersonByWhatever(
           String firstName, String lastName, String age, String gender);
   }
   

2. Provide the implementation

   public class PersonFragRepositoryImpl implements PersonFragRepository {
       @PersistenceContext
       private EntityManager entityManager;
   
       @Override
       List findPersonByWhatever(
           String firstName, String lastName, String age, String gender) {
          ...
       }
   }
   

3. Extends your JPA interface

   public interface PersonRepository
       extends JpaRepository, PersonFragRepository