public static void crud() throws Exception {
Datastore ds = getDatastore();
// create
PureMorphiaUser user = new PureMorphiaUser("John", "Smith");
ds.save(user);
// read
PureMorphiaUser user2 = ds.get(PureMorphiaUser.class, user.id);
// update
user2.fName = "Tom";
ds.save(user2);
// delete
ds.delete(user2);
}
@Override
public void setMessageReadden(String userId, String messageId) {
Query<UnreaddenMessage> q =
ds.createQuery(UnreaddenMessage.class)
.field("message")
.equal(new Key<GeneralMessage>(GeneralMessage.class, new ObjectId(messageId)))
.field("userId")
.equal(userId);
ds.delete(q);
ReaddenMessage readdenMessage = new ReaddenMessage();
readdenMessage.setUserId(userId);
readdenMessage.setMessageUniqueId(
ds.get(GeneralMessage.class, new ObjectId(messageId)).getUniqueFieldValue().toString());
ds.save(readdenMessage);
// TODO Next lines are just to save space in unpaid mongoDB on CloudBees
Query<UnreaddenMessage> isMore =
ds.createQuery(UnreaddenMessage.class)
.field("message")
.equal(new Key<GeneralMessage>(GeneralMessage.class, new ObjectId(messageId)));
if (isMore.countAll() <= 0) {
ds.delete(GeneralMessage.class, new ObjectId(messageId));
}
}
public T byId(ObjectId objectId) {
return datastore.get(type, objectId);
}
public List<T> byIds(Iterable<ObjectId> ids) {
if (ids == null || !ids.iterator().hasNext()) return Collections.emptyList();
return datastore.get(type, ids).asList();
}
public T byId(String id) {
return datastore.get(type, ObjectId.massageToObjectId(id));
}
