public void initializeVersionHolder(T mbr, RegionVersionHolder<T> otherHolder) { RegionVersionHolder<T> h = this.memberToVersion.get(mbr); if (h == null) { if (!mbr.equals(this.myId)) { h = otherHolder.clone(); h.makeReadyForRecording(); this.memberToVersion.put(mbr, h); } else { RegionVersionHolder<T> vh = otherHolder; long version = vh.version; updateLocalVersion(version); this.localExceptions.initializeFrom(vh); } } else { // holders must be modified under synchronization h.initializeFrom(otherHolder); } }