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Rename em as entityManager in SimpleJpaRepository.

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See #3120
This commit is contained in:
jeomxon
2023-08-18 22:53:11 +09:00
committed by Greg L. Turnquist
parent 407e9103ad
commit d2501909bd
1 changed files with 35 additions and 34 deletions
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69
spring-data-jpa/src/main/java/org/springframework/data/jpa/repository/support/SimpleJpaRepository.java
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@@ -99,7 +99,7 @@ public class SimpleJpaRepository<T, ID> implements JpaRepositoryImplementation<T
private static final String ID_MUST_NOT_BE_NULL = "The given id must not be null";
private final JpaEntityInformation<T, ?> entityInformation;
private final EntityManager em;
private final EntityManager entityManager;
private final PersistenceProvider provider;
private @Nullable CrudMethodMetadata metadata;
@@ -117,7 +117,7 @@ public class SimpleJpaRepository<T, ID> implements JpaRepositoryImplementation<T
Assert.notNull(entityManager, "EntityManager must not be null");
this.entityInformation = entityInformation;
this.em = entityManager;
this.entityManager = entityManager;
this.provider = PersistenceProvider.fromEntityManager(entityManager);
}
@@ -125,10 +125,10 @@ public class SimpleJpaRepository<T, ID> implements JpaRepositoryImplementation<T
* Creates a new {@link SimpleJpaRepository} to manage objects of the given domain type.
*
* @param domainClass must not be {@literal null}.
* @param em must not be {@literal null}.
* @param entityManager must not be {@literal null}.
*/
public SimpleJpaRepository(Class<T> domainClass, EntityManager em) {
this(JpaEntityInformationSupport.getEntityInformation(domainClass, em), em);
public SimpleJpaRepository(Class<T> domainClass, EntityManager entityManager) {
this(JpaEntityInformationSupport.getEntityInformation(domainClass, entityManager), entityManager);
}
/**
@@ -188,14 +188,14 @@ public class SimpleJpaRepository<T, ID> implements JpaRepositoryImplementation<T
Class<?> type = ProxyUtils.getUserClass(entity);
T existing = (T) em.find(type, entityInformation.getId(entity));
T existing = (T) entityManager.find(type, entityInformation.getId(entity));
// if the entity to be deleted doesn't exist, delete is a NOOP
if (existing == null) {
return;
}
em.remove(em.contains(entity) ? entity : em.merge(entity));
entityManager.remove(entityManager.contains(entity) ? entity : entityManager.merge(entity));
}
@Override
@@ -230,7 +230,7 @@ public class SimpleJpaRepository<T, ID> implements JpaRepositoryImplementation<T
String queryString = String.format(DELETE_ALL_QUERY_BY_ID_STRING, entityInformation.getEntityName(),
entityInformation.getIdAttribute().getName());
Query query = em.createQuery(queryString);
Query query = entityManager.createQuery(queryString);
/*
* Some JPA providers require {@code ids} to be a {@link Collection} so we must convert if it's not already.
@@ -271,7 +271,8 @@ public class SimpleJpaRepository<T, ID> implements JpaRepositoryImplementation<T
return;
}
applyAndBind(getQueryString(DELETE_ALL_QUERY_STRING, entityInformation.getEntityName()), entities, em)
applyAndBind(getQueryString(DELETE_ALL_QUERY_STRING, entityInformation.getEntityName()), entities,
entityManager)
.executeUpdate();
}
@@ -288,7 +289,7 @@ public class SimpleJpaRepository<T, ID> implements JpaRepositoryImplementation<T
@Transactional
public void deleteAllInBatch() {
Query query = em.createQuery(getDeleteAllQueryString());
Query query = entityManager.createQuery(getDeleteAllQueryString());
applyQueryHints(query);
@@ -303,13 +304,13 @@ public class SimpleJpaRepository<T, ID> implements JpaRepositoryImplementation<T
Class<T> domainType = getDomainClass();
if (metadata == null) {
return Optional.ofNullable(em.find(domainType, id));
return Optional.ofNullable(entityManager.find(domainType, id));
}
LockModeType type = metadata.getLockModeType();
Map<String, Object> hints = getHints();
return Optional.ofNullable(type == null ? em.find(domainType, id, hints) : em.find(domainType, id, type, hints));
return Optional.ofNullable(type == null ? entityManager.find(domainType, id, hints) : entityManager.find(domainType, id, type, hints));
}
@Deprecated
@@ -332,7 +333,7 @@ public class SimpleJpaRepository<T, ID> implements JpaRepositoryImplementation<T
public T getReferenceById(ID id) {
Assert.notNull(id, ID_MUST_NOT_BE_NULL);
return em.getReference(getDomainClass(), id);
return entityManager.getReference(getDomainClass(), id);
}
@Override
@@ -349,7 +350,7 @@ public class SimpleJpaRepository<T, ID> implements JpaRepositoryImplementation<T
Iterable<String> idAttributeNames = entityInformation.getIdAttributeNames();
String existsQuery = QueryUtils.getExistsQueryString(entityName, placeholder, idAttributeNames);
TypedQuery<Long> query = em.createQuery(existsQuery, Long.class);
TypedQuery<Long> query = entityManager.createQuery(existsQuery, Long.class);
applyQueryHints(query);
@@ -456,20 +457,20 @@ public class SimpleJpaRepository<T, ID> implements JpaRepositoryImplementation<T
@Override
public boolean exists(Specification<T> spec) {
CriteriaQuery<Integer> cq = this.em.getCriteriaBuilder() //
CriteriaQuery<Integer> cq = this.entityManager.getCriteriaBuilder() //
.createQuery(Integer.class) //
.select(this.em.getCriteriaBuilder().literal(1));
.select(this.entityManager.getCriteriaBuilder().literal(1));
applySpecificationToCriteria(spec, getDomainClass(), cq);
TypedQuery<Integer> query = applyRepositoryMethodMetadata(this.em.createQuery(cq));
TypedQuery<Integer> query = applyRepositoryMethodMetadata(this.entityManager.createQuery(cq));
return query.setMaxResults(1).getResultList().size() == 1;
}
@Override
public long delete(Specification<T> spec) {
CriteriaBuilder builder = this.em.getCriteriaBuilder();
CriteriaBuilder builder = this.entityManager.getCriteriaBuilder();
CriteriaDelete<T> delete = builder.createCriteriaDelete(getDomainClass());
if (spec != null) {
@@ -480,7 +481,7 @@ public class SimpleJpaRepository<T, ID> implements JpaRepositoryImplementation<T
}
}
return this.em.createQuery(delete).executeUpdate();
return this.entityManager.createQuery(delete).executeUpdate();
}
@Override
@@ -522,7 +523,7 @@ public class SimpleJpaRepository<T, ID> implements JpaRepositoryImplementation<T
SpecificationScrollDelegate<T> scrollDelegate = new SpecificationScrollDelegate<>(scrollFunction,
entityInformation);
FetchableFluentQuery<T> fluentQuery = new FetchableFluentQueryBySpecification<>(spec, domainClass, finder,
scrollDelegate, this::count, this::exists, this.em);
scrollDelegate, this::count, this::exists, this.entityManager);
return queryFunction.apply((FetchableFluentQuery<S>) fluentQuery);
}
@@ -549,13 +550,13 @@ public class SimpleJpaRepository<T, ID> implements JpaRepositoryImplementation<T
public <S extends T> boolean exists(Example<S> example) {
Specification<S> spec = new ExampleSpecification<>(example, this.escapeCharacter);
CriteriaQuery<Integer> cq = this.em.getCriteriaBuilder() //
CriteriaQuery<Integer> cq = this.entityManager.getCriteriaBuilder() //
.createQuery(Integer.class) //
.select(this.em.getCriteriaBuilder().literal(1));
.select(this.entityManager.getCriteriaBuilder().literal(1));
applySpecificationToCriteria(spec, example.getProbeType(), cq);
TypedQuery<Integer> query = applyRepositoryMethodMetadata(this.em.createQuery(cq));
TypedQuery<Integer> query = applyRepositoryMethodMetadata(this.entityManager.createQuery(cq));
return query.setMaxResults(1).getResultList().size() == 1;
}
@@ -595,7 +596,7 @@ public class SimpleJpaRepository<T, ID> implements JpaRepositoryImplementation<T
@Override
public long count() {
TypedQuery<Long> query = em.createQuery(getCountQueryString(), Long.class);
TypedQuery<Long> query = entityManager.createQuery(getCountQueryString(), Long.class);
applyQueryHintsForCount(query);
@@ -614,10 +615,10 @@ public class SimpleJpaRepository<T, ID> implements JpaRepositoryImplementation<T
Assert.notNull(entity, "Entity must not be null");
if (entityInformation.isNew(entity)) {
em.persist(entity);
entityManager.persist(entity);
return entity;
} else {
return em.merge(entity);
return entityManager.merge(entity);
}
}
@@ -659,7 +660,7 @@ public class SimpleJpaRepository<T, ID> implements JpaRepositoryImplementation<T
@Transactional
@Override
public void flush() {
em.flush();
entityManager.flush();
}
/**
@@ -742,7 +743,7 @@ public class SimpleJpaRepository<T, ID> implements JpaRepositoryImplementation<T
*/
protected <S extends T> TypedQuery<S> getQuery(@Nullable Specification<S> spec, Class<S> domainClass, Sort sort) {
CriteriaBuilder builder = em.getCriteriaBuilder();
CriteriaBuilder builder = entityManager.getCriteriaBuilder();
CriteriaQuery<S> query = builder.createQuery(domainClass);
Root<S> root = applySpecificationToCriteria(spec, domainClass, query);
@@ -752,7 +753,7 @@ public class SimpleJpaRepository<T, ID> implements JpaRepositoryImplementation<T
query.orderBy(toOrders(sort, root, builder));
}
return applyRepositoryMethodMetadata(em.createQuery(query));
return applyRepositoryMethodMetadata(entityManager.createQuery(query));
}
/**
@@ -774,7 +775,7 @@ public class SimpleJpaRepository<T, ID> implements JpaRepositoryImplementation<T
*/
protected <S extends T> TypedQuery<Long> getCountQuery(@Nullable Specification<S> spec, Class<S> domainClass) {
CriteriaBuilder builder = em.getCriteriaBuilder();
CriteriaBuilder builder = entityManager.getCriteriaBuilder();
CriteriaQuery<Long> query = builder.createQuery(Long.class);
Root<S> root = applySpecificationToCriteria(spec, domainClass, query);
@@ -788,7 +789,7 @@ public class SimpleJpaRepository<T, ID> implements JpaRepositoryImplementation<T
// Remove all Orders the Specifications might have applied
query.orderBy(Collections.emptyList());
return applyRepositoryMethodMetadataForCount(em.createQuery(query));
return applyRepositoryMethodMetadataForCount(entityManager.createQuery(query));
}
/**
@@ -825,7 +826,7 @@ public class SimpleJpaRepository<T, ID> implements JpaRepositoryImplementation<T
return root;
}
CriteriaBuilder builder = em.getCriteriaBuilder();
CriteriaBuilder builder = entityManager.getCriteriaBuilder();
Predicate predicate = spec.toPredicate(root, query, builder);
if (predicate != null) {
@@ -855,7 +856,7 @@ public class SimpleJpaRepository<T, ID> implements JpaRepositoryImplementation<T
return;
}
getQueryHints().withFetchGraphs(em).forEach(query::setHint);
getQueryHints().withFetchGraphs(entityManager).forEach(query::setHint);
applyComment(metadata, query::setHint);
}
@@ -884,7 +885,7 @@ public class SimpleJpaRepository<T, ID> implements JpaRepositoryImplementation<T
Map<String, Object> hints = new HashMap<>();
getQueryHints().withFetchGraphs(em).forEach(hints::put);
getQueryHints().withFetchGraphs(entityManager).forEach(hints::put);
if (metadata != null) {
applyComment(metadata, hints::put);