public void toDBObject(
      final Object containingObject,
      final MappedField mf,
      final DBObject dbObj,
      MapperOptions opts) {
    Object fieldValue = mf.getFieldValue(containingObject);
    TypeConverter enc = getEncoder(fieldValue, mf);

    Object encoded = enc.encode(fieldValue, mf);
    if (encoded != null || opts.storeNulls) {
      dbObj.put(mf.getNameToStore(), encoded);
    }
  }
Пример #2
0
  public <T> UpdateResults<T> update(T ent, UpdateOperations<T> ops) {
    MappedClass mc = mapr.getMappedClass(ent);
    Query<T> q = (Query<T>) createQuery(mc.getClazz());
    q.disableValidation().filter(Mapper.ID_KEY, getId(ent));

    if (mc.getFieldsAnnotatedWith(Version.class).size() > 0) {
      MappedField versionMF = mc.getFieldsAnnotatedWith(Version.class).get(0);
      Long oldVer = (Long) versionMF.getFieldValue(ent);
      q.filter(versionMF.getNameToStore(), oldVer);
      ops.set(versionMF.getNameToStore(), VersionHelper.nextValue(oldVer));
    }

    return update(q, ops);
  }
Пример #3
0
  protected <T> WriteResult tryVersionedUpdate(
      DBCollection dbColl, T entity, DBObject dbObj, WriteConcern wc, DB db, MappedClass mc) {
    WriteResult wr = null;
    if (mc.getFieldsAnnotatedWith(Version.class).isEmpty()) return wr;

    MappedField mfVersion = mc.getFieldsAnnotatedWith(Version.class).get(0);
    String versionKeyName = mfVersion.getNameToStore();
    Long oldVersion = (Long) mfVersion.getFieldValue(entity);
    long newVersion = VersionHelper.nextValue(oldVersion);
    dbObj.put(versionKeyName, newVersion);
    if (oldVersion != null && oldVersion > 0) {
      Object idValue = dbObj.get(Mapper.ID_KEY);

      UpdateResults<T> res =
          update(
              find((Class<T>) entity.getClass(), Mapper.ID_KEY, idValue)
                  .filter(versionKeyName, oldVersion),
              dbObj,
              false,
              false,
              wc);

      wr = res.getWriteResult();

      if (res.getUpdatedCount() != 1)
        throw new ConcurrentModificationException(
            "Entity of class "
                + entity.getClass().getName()
                + " (id='"
                + idValue
                + "',version='"
                + oldVersion
                + "') was concurrently updated.");
    } else if (wc == null) wr = dbColl.save(dbObj);
    else wr = dbColl.save(dbObj, wc);

    // update the version.
    mfVersion.setFieldValue(entity, newVersion);
    return wr;
  }