Example usage for org.hibernate.persister.entity EntityPersister getIdentifierPropertyName

Introduction

In this page you can find the example usage for org.hibernate.persister.entity EntityPersister getIdentifierPropertyName.

Prototype

String getIdentifierPropertyName();

Source Link

Document

Get the name of the identifier property (or return null) - need not return the name of an actual Java property

Usage

From source file:org.babyfish.hibernate.jpa.internal.XEntityManagerImpl.java

License:Open Source License

protected <E> E findByQueryPaths(Class<E> entityClass, Object primaryKey, LockModeType nullableLockModeType, //can be null 
        QueryPath[] queryPaths) {/*from  w  w w.ja  va 2s .  c o  m*/
    if (queryPaths == null || queryPaths.length == 0) {
        return this.find(entityClass, primaryKey, nullableLockModeType, (Map<String, Object>) null);
    }

    //This exception need not to be converted because this is a reading action so that it is not need to markAsRollback
    Arguments.mustBeInstanceOfValue("primaryKey", primaryKey, Serializable.class);

    try {
        SessionFactoryImplementor sfi = (SessionFactoryImplementor) this.getEntityManagerFactory()
                .unwrap(SessionFactoryImplementor.class);
        EntityPersister persister = sfi.getEntityPersister(entityClass.getName());
        String idPropertyName = persister.getIdentifierPropertyName();
        XTypedQuery<E> typedQuery = this
                .createQuery(
                        "select babyfish_alias_0 from " + entityClass.getName()
                                + " babyfish_alias_0 where babyfish_alias_0." + idPropertyName + " = :id",
                        entityClass)
                .setQueryPaths(queryPaths).setParameter("id", primaryKey);
        if (nullableLockModeType != null) {
            typedQuery.setLockMode(nullableLockModeType);
        }
        return typedQuery.getSingleResult(true);
    } catch (NoResultException ex) {
        throw new EntityNotFoundException();
    } catch (MappingException ex) {
        throw new IllegalArgumentException(ex);
    } catch (HibernateException ex) {
        throw this.convert(ex);
    }
}

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From source file:org.babyfish.hibernate.jpa.internal.XEntityManagerImpl.java

License:Open Source License

protected <E> List<E> findByQueryPaths(Class<E> entityClass, Iterable<?> primaryKeys,
        LockModeType nullableLockModeType, //can be null 
        QueryPath[] queryPaths) {//w ww  .  j  a  v a 2 s .c o  m
    //This exception need not to be converted because this is a reading action so that it is not need to markAsRollback
    Arguments.mustNotBeNull("primaryKeys", primaryKeys);

    Set<Object> primaryKeySet;
    if (primaryKeys instanceof Collection<?>) {
        primaryKeySet = new LinkedHashSet<>((((Collection<?>) primaryKeys).size() * 4 + 2) / 3);
    } else {
        primaryKeySet = new LinkedHashSet<>();
    }
    for (Object primaryKey : primaryKeys) {
        if (primaryKey != null) {
            primaryKeySet.add(primaryKey);
        }
    }
    if (primaryKeySet.isEmpty()) {
        //Let the returned list can be modified, so don't let it return MACollections.emptyList();
        return new ArrayList<>();
    }

    try {
        SessionFactoryImplementor sfi = (SessionFactoryImplementor) this.getEntityManagerFactory()
                .unwrap(SessionFactoryImplementor.class);
        EntityPersister persister = sfi.getEntityPersister(entityClass.getName());
        String idPropertyName = persister.getIdentifierPropertyName();
        XTypedQuery<E> typedQuery;
        if (primaryKeySet.size() == 1) {
            typedQuery = this.createQuery(
                    "select babyfish_alias_0 from " + entityClass.getName()
                            + " babyfish_alias_0 where babyfish_alias_0." + idPropertyName + " = :id",
                    entityClass).setParameter("id", primaryKeySet.iterator().next());
        } else {
            typedQuery = this.createQuery(
                    "select babyfish_alias_0 from " + entityClass.getName()
                            + " babyfish_alias_0 where babyfish_alias_0." + idPropertyName + " in (:ids)",
                    entityClass).setParameter("ids", primaryKeySet);
        }
        typedQuery.setQueryPaths(queryPaths);
        if (nullableLockModeType != null) {
            typedQuery.setLockMode(nullableLockModeType);
        }
        return typedQuery.getResultList();
    } catch (MappingException ex) {
        throw new IllegalArgumentException(ex);
    } catch (HibernateException ex) {
        throw this.convert(ex);
    }
}

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