personCacheLoader = new PersonCacheLoader(new PersonQueryStrategy());
personCacheLoader.setCache(cache);
personCacheLoader.setEntityManager(getEntityManager());
personCacheLoader.initialize();
followedPersonIdsMapper = new GetFollowedPersonIdsForPersonByIdDbMapper();
followedPersonIdsMapper.setEntityManager(getEntityManager());
followerIdsMapper = new GetFollowerPersonIdsForPersonByIdDbMapper();
followerIdsMapper.setEntityManager(getEntityManager());