private void endReached(final int i) {
    //LOG.debug("No more DP for #" + i);
    timestamps[iterators.length + i] = TIME_MASK;
    iterators[i] = null;  // We won't use it anymore, so free() it.
  }
private void endReached ( final int i ) { timestamps [ iterators . length + i ] = TIME_MASK ; iterators [ i ] = null ; }
Indicates that an iterator in {@link #iterators} has reached the end.
@param i The index in {@link #iterators} of the iterator.