//Step1 try to update alias
//update arrays
BasicDBObject multiopAliasArrays = new BasicDBObject();
// Entity1 Alias:
if (null != evtFeature.getEntity1_index()) {
evtFeature.addEntity1(evtFeature.getEntity1_index());
}
if (null != evtFeature.getEntity1())
{
BasicDBObject multiopE = new BasicDBObject(MongoDbManager.each_, evtFeature.getEntity1());
multiopAliasArrays.put(AssociationFeaturePojo.entity1_, multiopE);