Examples with PathElement com.google.cloud.datastore.PathElement used on opensource projects

Example 1 with PathElement

use of com.google.cloud.datastore.PathElement in project spring-cloud-gcp by spring-cloud.

the class DatastoreTemplate method validateKey.

private void validateKey(Object entity, PathElement ancestorPE) {
    DatastorePersistentEntity datastorePersistentEntity = this.datastoreMappingContext.getPersistentEntity(entity.getClass());
    DatastorePersistentProperty idProp = datastorePersistentEntity.getIdPropertyOrFail();
    if (!TypeUtils.isAssignable(BaseKey.class, idProp.getType())) {
        throw new DatastoreDataException("Only Key types are allowed for descendants id");
    }
    Key key = getKey(entity, false);
    if (key == null || key.getAncestors().stream().anyMatch((pe) -> pe.equals(ancestorPE))) {
        return;
    }
    throw new DatastoreDataException("Descendant object has a key without current ancestor");
}