@Nullable
  public StorageTierView getNextTier(StorageTierView tierView) {
    int nextOrdinal = tierView.getTierViewOrdinal() + 1;
    if (nextOrdinal < mTierViews.size()) {
      return mTierViews.get(nextOrdinal);
    }
    return null;
  }
@ Nullable public StorageTierView getNextTier ( StorageTierView tierView ) { int nextOrdinal = tierView . getTierViewOrdinal ( ) + 1 ; if ( nextOrdinal < mTierViews . size ( ) ) { return mTierViews . get ( nextOrdinal ) ; } return null ; }
Gets the next storage tier view.

@param tierView the storage tier view
@return the next storage tier view, null if this is the last tier view