com.tamnd2.basicwebapp.core.repositories.jpa.JpaAccountRepo.java Source code

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Here is the source code for com.tamnd2.basicwebapp.core.repositories.jpa.JpaAccountRepo.java

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package com.tamnd2.basicwebapp.core.repositories.jpa;

import com.tamnd2.basicwebapp.core.entities.Account;
import com.tamnd2.basicwebapp.core.repositories.AccountRepo;
import java.util.List;
import javax.persistence.EntityManager;
import javax.persistence.PersistenceContext;
import javax.persistence.Query;
import org.springframework.stereotype.Repository;

/**
 *
 * @author tamnd2
 */
@Repository
public class JpaAccountRepo implements AccountRepo {

    @PersistenceContext
    private EntityManager em;

    @Override
    public Account findAccount(Long id) {
        return em.find(Account.class, id);
    }

    @Override
    public Account createAccount(Account acc) {
        em.persist(acc);
        return acc;
    }

    @Override
    public List<Account> findAllAccounts() {
        Query query = em.createQuery("SELECT a FROM Account a");
        return query.getResultList();
    }

    @Override
    public Account findAccountByName(String name) {
        Query query = em.createQuery("SELECT a FROM Account a WHERE a.name=?1");
        query.setParameter(1, name);
        List<Account> accounts = query.getResultList();
        if (accounts.isEmpty()) {
            return null;
        } else {
            return accounts.get(0);
        }
    }
}