Examples with MappingException org.mongodb.morphia.mapping.MappingException used on opensource projects

Example 1 with MappingException

use of org.mongodb.morphia.mapping.MappingException in project morphia by mongodb.

the class DatastoreImpl method buildExistsQuery.

private Query<?> buildExistsQuery(final Object entityOrKey) {
    final Object unwrapped = ProxyHelper.unwrap(entityOrKey);
    final Key<?> key = mapper.getKey(unwrapped);
    final Object id = key.getId();
    if (id == null) {
        throw new MappingException("Could not get id for " + unwrapped.getClass().getName());
    }
    return find(key.getCollection(), key.getType()).filter(Mapper.ID_KEY, key.getId());
}

Example 2 with MappingException

use of org.mongodb.morphia.mapping.MappingException in project morphia by mongodb.

the class DatastoreImpl method get.

@Override
@SuppressWarnings("unchecked")
public <T> T get(final T entity) {
    final T unwrapped = ProxyHelper.unwrap(entity);
    final Object id = mapper.getId(unwrapped);
    if (id == null) {
        throw new MappingException("Could not get id for " + unwrapped.getClass().getName());
    }
    return (T) get(unwrapped.getClass(), id);
}

Example 3 with MappingException

use of org.mongodb.morphia.mapping.MappingException in project morphia by mongodb.

the class DatastoreImpl method save.

protected <T> Key<T> save(final DBCollection dbColl, final T entity, final InsertOptions options) {
    if (entity == null) {
        throw new UpdateException("Can not persist a null entity");
    }
    final MappedClass mc = mapper.getMappedClass(entity);
    if (mc.getAnnotation(NotSaved.class) != null) {
        throw new MappingException(format("Entity type: %s is marked as NotSaved which means you should not try to save it!", mc.getClazz().getName()));
    }
    // involvedObjects is used not only as a cache but also as a list of what needs to be called for life-cycle methods at the end.
    final LinkedHashMap<Object, DBObject> involvedObjects = new LinkedHashMap<Object, DBObject>();
    final DBObject document = entityToDBObj(entity, involvedObjects);
    // try to do an update if there is a @Version field
    final Object idValue = document.get(Mapper.ID_KEY);
    WriteResult wr = tryVersionedUpdate(dbColl, entity, document, idValue, enforceWriteConcern(options, entity.getClass()), mc);
    if (wr == null) {
        saveDocument(dbColl, document, options);
    }
    return postSaveOperations(singletonList(entity), involvedObjects, dbColl).get(0);
}

Example 4 with MappingException

use of org.mongodb.morphia.mapping.MappingException in project morphia by mongodb.

the class DatastoreImpl method merge.

@Override
@SuppressWarnings("unchecked")
public <T> Key<T> merge(final T entity, final WriteConcern wc) {
    T unwrapped = entity;
    final LinkedHashMap<Object, DBObject> involvedObjects = new LinkedHashMap<Object, DBObject>();
    final DBObject dbObj = mapper.toDBObject(unwrapped, involvedObjects);
    final Key<T> key = mapper.getKey(unwrapped);
    unwrapped = ProxyHelper.unwrap(unwrapped);
    final Object id = mapper.getId(unwrapped);
    if (id == null) {
        throw new MappingException("Could not get id for " + unwrapped.getClass().getName());
    }
    // remove (immutable) _id field for update.
    final Object idValue = dbObj.get(Mapper.ID_KEY);
    dbObj.removeField(Mapper.ID_KEY);
    WriteResult wr;
    final MappedClass mc = mapper.getMappedClass(unwrapped);
    final DBCollection dbColl = getCollection(unwrapped);
    // try to do an update if there is a @Version field
    wr = tryVersionedUpdate(dbColl, unwrapped, dbObj, idValue, new InsertOptions().writeConcern(wc), mc);
    if (wr == null) {
        final Query<T> query = (Query<T>) createQuery(unwrapped.getClass()).filter(Mapper.ID_KEY, id);
        wr = update(query, new BasicDBObject("$set", dbObj), false, false, wc).getWriteResult();
    }
    final UpdateResults res = new UpdateResults(wr);
    if (res.getUpdatedCount() == 0) {
        throw new UpdateException("Nothing updated");
    }
    dbObj.put(Mapper.ID_KEY, idValue);
    postSaveOperations(Collections.<Object>singletonList(entity), involvedObjects, dbColl, false);
    return key;
}

Example 5 with MappingException

use of org.mongodb.morphia.mapping.MappingException in project morphia by mongodb.

the class DatastoreImpl method postSaveOperations.

@SuppressWarnings("unchecked")
private <T> List<Key<T>> postSaveOperations(final Iterable<T> entities, final Map<Object, DBObject> involvedObjects, final DBCollection collection, final boolean fetchKeys) {
    List<Key<T>> keys = new ArrayList<Key<T>>();
    for (final T entity : entities) {
        final DBObject dbObj = involvedObjects.remove(entity);
        if (fetchKeys) {
            if (dbObj.get(Mapper.ID_KEY) == null) {
                throw new MappingException(format("Missing _id after save on %s", entity.getClass().getName()));
            }
            mapper.updateKeyAndVersionInfo(this, dbObj, createCache(), entity);
            keys.add(new Key<T>((Class<? extends T>) entity.getClass(), collection.getName(), mapper.getId(entity)));
        }
        mapper.getMappedClass(entity).callLifecycleMethods(PostPersist.class, entity, dbObj, mapper);
    }
    for (Entry<Object, DBObject> entry : involvedObjects.entrySet()) {
        final Object key = entry.getKey();
        mapper.getMappedClass(key).callLifecycleMethods(PostPersist.class, key, entry.getValue(), mapper);
    }
    return keys;
}