@Override
  protected void initMessage(CacheOperationMessage msg, DirectReplyProcessor pr) {
    super.initMessage(msg, pr);
    AbstractUpdateMessage m = (AbstractUpdateMessage) msg;
    m.lastModified = lastModifiedTime;
  }
Common code for both UpdateOperation and DistributedPutAllOperation.
geode-core/src/main/java/org/apache/geode/internal/cache/AbstractUpdateOperation.java