BankAccountRepository.java

package com.mycompany.myapp.repository;

import com.mycompany.myapp.domain.BankAccount;
import org.springframework.data.jpa.repository.*;

import java.util.List;

/**
 * Spring Data JPA repository for the BankAccount entity.
 */
public interface BankAccountRepository extends JpaRepository<BankAccount,Long> {

    @Query("select bankAccount from BankAccount bankAccount where bankAccount.user.login = ?#{principal.username}")
    List<BankAccount> findByUserIsCurrentUser();

}