diff --git a/src/main/java/org/springframework/samples/petclinic/Pet.java b/src/main/java/org/springframework/samples/petclinic/Pet.java index 735001111221b79c71ddf616e2678899544bd60e..6235ba9899686887d7b6c2b19f48d7cc72537604 100644 --- a/src/main/java/org/springframework/samples/petclinic/Pet.java +++ b/src/main/java/org/springframework/samples/petclinic/Pet.java @@ -9,6 +9,7 @@ import java.util.Set; import javax.persistence.CascadeType; import javax.persistence.Column; import javax.persistence.Entity; +import javax.persistence.FetchType; import javax.persistence.JoinColumn; import javax.persistence.ManyToOne; import javax.persistence.OneToMany; @@ -41,7 +42,7 @@ public class Pet extends NamedEntity { @JoinColumn(name = "owner_id") private Owner owner; - @OneToMany(cascade=CascadeType.ALL, mappedBy="pet") + @OneToMany(cascade=CascadeType.ALL, mappedBy="pet", fetch=FetchType.EAGER) private Set<Visit> visits; diff --git a/src/main/java/org/springframework/samples/petclinic/repository/jdbc/JdbcOwnerRepositoryImpl.java b/src/main/java/org/springframework/samples/petclinic/repository/jdbc/JdbcOwnerRepositoryImpl.java index 7c283140e084e94834bdc3b7b6a43011e91308de..6a3f558e73b1f59e2835d9ec40eba8936a08ea98 100644 --- a/src/main/java/org/springframework/samples/petclinic/repository/jdbc/JdbcOwnerRepositoryImpl.java +++ b/src/main/java/org/springframework/samples/petclinic/repository/jdbc/JdbcOwnerRepositoryImpl.java @@ -120,16 +120,16 @@ public class JdbcOwnerRepositoryImpl implements OwnerRepository { @Transactional public void save(Owner owner) throws DataAccessException { + BeanPropertySqlParameterSource parameterSource = new BeanPropertySqlParameterSource(owner); if (owner.isNew()) { - Number newKey = this.insertOwner.executeAndReturnKey( - new BeanPropertySqlParameterSource(owner)); + Number newKey = this.insertOwner.executeAndReturnKey(parameterSource); owner.setId(newKey.intValue()); } else { this.namedParameterJdbcTemplate.update( "UPDATE owners SET first_name=:firstName, last_name=:lastName, address=:address, " + "city=:city, telephone=:telephone WHERE id=:id", - new BeanPropertySqlParameterSource(owner)); + parameterSource); } } diff --git a/src/main/java/org/springframework/samples/petclinic/repository/jpa/JpaOwnerRepositoryImpl.java b/src/main/java/org/springframework/samples/petclinic/repository/jpa/JpaOwnerRepositoryImpl.java index b7a0b71901baa8dcc6cf19662d7fd8687177bb14..b5445d1741aa76af93d63bea8756ba2c00265a33 100644 --- a/src/main/java/org/springframework/samples/petclinic/repository/jpa/JpaOwnerRepositoryImpl.java +++ b/src/main/java/org/springframework/samples/petclinic/repository/jpa/JpaOwnerRepositoryImpl.java @@ -6,6 +6,7 @@ import javax.persistence.EntityManager; import javax.persistence.PersistenceContext; import javax.persistence.Query; +import org.hibernate.Hibernate; import org.springframework.samples.petclinic.Owner; import org.springframework.samples.petclinic.repository.OwnerRepository; import org.springframework.stereotype.Repository; @@ -32,13 +33,19 @@ public class JpaOwnerRepositoryImpl implements OwnerRepository { @SuppressWarnings("unchecked") public Collection<Owner> findByLastName(String lastName) { - Query query = this.em.createQuery("SELECT owner FROM Owner owner WHERE owner.lastName LIKE :lastName"); + // using 'join fetch' because a single query should load both owners and pets + // using 'left join fetch' because it might happen that an owner does not have pets yet + Query query = this.em.createQuery("SELECT owner FROM Owner owner left join fetch owner.pets WHERE owner.lastName LIKE :lastName"); query.setParameter("lastName", lastName + "%"); return query.getResultList(); } public Owner findById(int id) { - return this.em.find(Owner.class, id); + // using 'join fetch' because a single query should load both owners and pets + // using 'left join fetch' because it might happen that an owner does not have pets yet + Query query = this.em.createQuery("SELECT owner FROM Owner owner left join fetch owner.pets WHERE owner.id =:id"); + query.setParameter("id", id); + return (Owner) query.getSingleResult(); } diff --git a/src/main/java/org/springframework/samples/petclinic/repository/jpa/JpaVetRepositoryImpl.java b/src/main/java/org/springframework/samples/petclinic/repository/jpa/JpaVetRepositoryImpl.java index 387a29e65ba0794e113f7557ace90ffed3bcf89a..04ee001469880b7b60291799aedd62a556aa37c4 100644 --- a/src/main/java/org/springframework/samples/petclinic/repository/jpa/JpaVetRepositoryImpl.java +++ b/src/main/java/org/springframework/samples/petclinic/repository/jpa/JpaVetRepositoryImpl.java @@ -29,7 +29,7 @@ public class JpaVetRepositoryImpl implements VetRepository { @SuppressWarnings("unchecked") public Collection<Vet> findAll() { - return this.em.createQuery("SELECT vet FROM Vet vet ORDER BY vet.lastName, vet.firstName").getResultList(); + return this.em.createQuery("SELECT vet FROM Vet vet join fetch vet.specialties ORDER BY vet.lastName, vet.firstName").getResultList(); } } diff --git a/src/test/java/org/springframework/samples/petclinic/AbstractOwnerRepositoryTests.java b/src/test/java/org/springframework/samples/petclinic/AbstractOwnerRepositoryTests.java index 5c2536049fea5ba73645a14a08a3508dd614ee8f..a2d0e79614489ad1b83bcc049afca7094144a891 100644 --- a/src/test/java/org/springframework/samples/petclinic/AbstractOwnerRepositoryTests.java +++ b/src/test/java/org/springframework/samples/petclinic/AbstractOwnerRepositoryTests.java @@ -97,22 +97,13 @@ public abstract class AbstractOwnerRepositoryTests { } @Test @Transactional - public void findOwner() { - Owner o1 = this.ownerRepository.findById(1); - assertTrue(o1.getLastName().startsWith("Franklin")); - Owner o10 = this.ownerRepository.findById(10); - assertEquals("Carlos", o10.getFirstName()); - - // XXX: Add programmatic support for ending transactions with the - // TestContext Framework. - - // Check lazy loading, by ending the transaction: - // endTransaction(); + public void findSingleOwner() { + Owner owner1 = this.ownerRepository.findById(1); + assertTrue(owner1.getLastName().startsWith("Franklin")); + Owner owner10 = this.ownerRepository.findById(10); + assertEquals("Carlos", owner10.getFirstName()); - // Now Owners are "disconnected" from the data store. - // We might need to touch this collection if we switched to lazy loading - // in mapping files, but this test would pick this up. - o1.getPets(); + assertEquals(owner1.getPets().size(), 1); } @Test @Transactional diff --git a/src/test/java/org/springframework/samples/petclinic/AbstractPetRepositoryTests.java b/src/test/java/org/springframework/samples/petclinic/AbstractPetRepositoryTests.java index 8d3431264cbd489926964917d274a0eb03f33ecd..d097ea33e182a577e79dcf5fd704a332952f65ab 100644 --- a/src/test/java/org/springframework/samples/petclinic/AbstractPetRepositoryTests.java +++ b/src/test/java/org/springframework/samples/petclinic/AbstractPetRepositoryTests.java @@ -97,51 +97,51 @@ public abstract class AbstractPetRepositoryTests { public void getPetTypes() { Collection<PetType> petTypes = this.petRepository.findPetTypes(); - PetType t1 = EntityUtils.getById(petTypes, PetType.class, 1); - assertEquals("cat", t1.getName()); - PetType t4 = EntityUtils.getById(petTypes, PetType.class, 4); - assertEquals("snake", t4.getName()); + PetType petType1 = EntityUtils.getById(petTypes, PetType.class, 1); + assertEquals("cat", petType1.getName()); + PetType petType4 = EntityUtils.getById(petTypes, PetType.class, 4); + assertEquals("snake", petType4.getName()); } @Test public void findPet() { Collection<PetType> types = this.petRepository.findPetTypes(); - Pet p7 = this.petRepository.findById(7); - assertTrue(p7.getName().startsWith("Samantha")); - assertEquals(EntityUtils.getById(types, PetType.class, 1).getId(), p7.getType().getId()); - assertEquals("Jean", p7.getOwner().getFirstName()); - Pet p6 = this.petRepository.findById(6); - assertEquals("George", p6.getName()); - assertEquals(EntityUtils.getById(types, PetType.class, 4).getId(), p6.getType().getId()); - assertEquals("Peter", p6.getOwner().getFirstName()); + Pet pet7 = this.petRepository.findById(7); + assertTrue(pet7.getName().startsWith("Samantha")); + assertEquals(EntityUtils.getById(types, PetType.class, 1).getId(), pet7.getType().getId()); + assertEquals("Jean", pet7.getOwner().getFirstName()); + Pet pet6 = this.petRepository.findById(6); + assertEquals("George", pet6.getName()); + assertEquals(EntityUtils.getById(types, PetType.class, 4).getId(), pet6.getType().getId()); + assertEquals("Peter", pet6.getOwner().getFirstName()); } @Test @Transactional public void insertPet() { - Owner o6 = this.ownerRepository.findById(6); - int found = o6.getPets().size(); + Owner owner6 = this.ownerRepository.findById(6); + int found = owner6.getPets().size(); Pet pet = new Pet(); pet.setName("bowser"); Collection<PetType> types = this.petRepository.findPetTypes(); pet.setType(EntityUtils.getById(types, PetType.class, 2)); pet.setBirthDate(new DateTime()); - o6.addPet(pet); - assertEquals(found + 1, o6.getPets().size()); + owner6.addPet(pet); + assertEquals(found + 1, owner6.getPets().size()); // both storePet and storeOwner are necessary to cover all ORM tools this.petRepository.save(pet); - this.ownerRepository.save(o6); - o6 = this.ownerRepository.findById(6); - assertEquals(found + 1, o6.getPets().size()); + this.ownerRepository.save(owner6); + owner6 = this.ownerRepository.findById(6); + assertEquals(found + 1, owner6.getPets().size()); } @Test @Transactional public void updatePet() throws Exception { - Pet p7 = this.petRepository.findById(7); - String old = p7.getName(); - p7.setName(old + "X"); - this.petRepository.save(p7); - p7 = this.petRepository.findById(7); - assertEquals(old + "X", p7.getName()); + Pet pet7 = this.petRepository.findById(7); + String old = pet7.getName(); + pet7.setName(old + "X"); + this.petRepository.save(pet7); + pet7 = this.petRepository.findById(7); + assertEquals(old + "X", pet7.getName()); } } diff --git a/src/test/java/org/springframework/samples/petclinic/AbstractVisitRepositoryTests.java b/src/test/java/org/springframework/samples/petclinic/AbstractVisitRepositoryTests.java index 24f76737972246810ba6f84e806a4669d666a10d..ecdc2437c83c0e4482aebaf0f8eb3984fe9d77b1 100644 --- a/src/test/java/org/springframework/samples/petclinic/AbstractVisitRepositoryTests.java +++ b/src/test/java/org/springframework/samples/petclinic/AbstractVisitRepositoryTests.java @@ -90,17 +90,16 @@ public abstract class AbstractVisitRepositoryTests { @Test @Transactional public void insertVisit() { - Pet p7 = this.petRepository.findById(7); - int found = p7.getVisits().size(); + Pet pet7 = this.petRepository.findById(7); + int found = pet7.getVisits().size(); Visit visit = new Visit(); - p7.addVisit(visit); + pet7.addVisit(visit); visit.setDescription("test"); // both storeVisit and storePet are necessary to cover all ORM tools this.visitRepository.save(visit); - this.petRepository.save(p7); - // assertTrue(!visit.isNew()); -- NOT TRUE FOR TOPLINK (before commit) - p7 = this.petRepository.findById(7); - assertEquals(found + 1, p7.getVisits().size()); + this.petRepository.save(pet7); + pet7 = this.petRepository.findById(7); + assertEquals(found + 1, pet7.getVisits().size()); } }