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()
+ "'");
}
}
