private void checkEntityId(Object entityId) {
if (entityId == null) {
throw new IllegalArgumentException("Invalid null entity id given");
}
EntityType<?> entityType =
em.getMetamodel()
.entity(
joinManager
.getRootNodeOrFail(
"Paginated queries do not support multiple from clause elements!")
.getPropertyClass());
Attribute<?, ?> idAttribute = JpaUtils.getIdAttribute(entityType);
Class<?> idType = JpaUtils.resolveFieldClass(entityType.getJavaType(), idAttribute);
if (!idType.isInstance(entityId)) {
throw new IllegalArgumentException(
"The type of the given entity id '"
+ entityId.getClass().getName()
+ "' is not an instance of the expected id type '"
+ idType.getName()
+ "' of the entity class '"
+ entityType.getJavaType().getName()
+ "'");
}
}
@Test
public void testGetJoinColumnNamesFromElementCollectionFieldWithoutCollectionTable() {
HashMap<String, String> joinColumnNames = new HashMap<String, String>();
joinColumnNames.put("#", "employees_employee_id");
PropertyDefinition emailAdresses = employeeDefinition.property("emailAddresses");
SchemaMapper schemaMapper =
JpaHibernateSchemaMapper.usingNamingStrategyOf(getEntityManagerFactory());
assertEquals(
joinColumnNames,
JpaUtils.getJoinColumnNamesFromJpaAnnotatedField(
schemaMapper, metamodel.entity(Employee.class), emailAdresses.getField()));
}
@Test
public void testGetElementCollectionColumnNames() {
JpaMetaModelGenerator jpaMetaModelGenerator =
new JpaMetaModelGenerator(getEntityManagerFactory());
MetaModel metaModel = jpaMetaModelGenerator.generate();
Set<String> columnNames = new HashSet<String>();
columnNames.add("phone_model");
columnNames.add("phone_number");
assertEquals(
columnNames,
JpaUtils.getElementCollectionColumnNames(employeeDefinition.property("phones"), metaModel));
}
@Test
public void testCreateEntityManager() {
EntityManager em = JpaUtils.createEntityManager(getEntityManagerFactory());
assertNotNull(em);
assertNotNull(em.getProperties());
}