protected boolean isObsolete(SnmpCachedData cached){
  if (cached == null)   return true;
  if (validity < 0)   return false;
  return ((System.currentTimeMillis() - cached.lastUpdated) > validity);
}

protected boolean isObsolete ( SnmpCachedData cached ) { if ( cached == null ) return true ; if ( validity < 0 ) return false ; return ( ( System . currentTimeMillis ( ) - cached . lastUpdated ) > validity ) ; }
true if the given cached table data is obsolete .
