public List<ObjectId> getIds(User user) {
DBObject group =
MongoUtils.group(new BasicDBObject(ID, MongoUtils.valueOf(MongoMeasurement.SENSOR, ID)));
DBObject match = MongoUtils.match(MongoMeasurement.USER, ref(user));
AggregationOutput result =
getMongoDB().getDatastore().getCollection(MongoMeasurement.class).aggregate(match, group);
result.getCommandResult().throwOnError();
return StreamSupport.stream(result.results().spliterator(), false)
.map(x -> (ObjectId) x.get(ID))
// .map(x -> new Key<>(MongoSensor.class, x))
.collect(Collectors.toList());
}
private Query<MongoSensor> applyFilters(Query<MongoSensor> q, Set<PropertyFilter> filters) {
if (filters == null || filters.isEmpty()) {
return q;
}
Multimap<String, Object> map = LinkedListMultimap.create();
for (PropertyFilter f : filters) {
String field = f.getField();
String value = f.getValue();
// "123" != 123 && "true" != true in MongoDB...
if (field != null && value != null) {
field = MongoUtils.path(MongoSensor.PROPERTIES, field);
if (isTrue(value)) {
map.put(field, true);
} else if (isFalse(value)) {
map.put(field, false);
} else if (isNumeric(value)) {
map.put(field, Double.valueOf(value));
} else {
map.put(field, value);
}
}
}
q.disableValidation();
map.keySet()
.stream()
.forEach(
(field) -> {
q.field(field).in(map.get(field));
});
return q.enableValidation();
}
@Override
public TermsOfUse get(Pagination p) {
return fetch(q().order(MongoUtils.reverse(MongoTermsOfUseInstance.CREATION_DATE)), p);
}