code: @Override
      public boolean update(Object key, Object value, Object currentVersion, Object previousVersion) throws CacheException {
          log.debug("region access strategy nonstrict-read-write entity update() {} {}", getInternalRegion().getCacheNamespace(), key);
          return false;
      }
docs: not necessary in nostrict-read-write
  
  @see org.hibernate.cache.spi.access.EntityRegionAccessStrategy