might be interesting: http://www.iis.uni-stuttgart.de/intset/
Another way to represent Bit(Integer)Set. Should outperform nicely BitSet or HashBitSet as far as iteration speed and memory is concern. In Lucene where distribution of set bits is typically exponential... usage in caching, Filter... ___________________________________________________________ Win a BlackBerry device from O2 with Yahoo!. Enter now. http://www.yahoo.co.uk/blackberry --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]