public boolean requiresChecking(){
  if (modificationCheckInterval <= 0) {
    return false;
  }
  return (System.currentTimeMillis() >= nextCheck);
}

public boolean requiresChecking ( ) { if ( modificationCheckInterval <= 0 ) { return false ; } return ( System . currentTimeMillis ( ) >= nextCheck ) ; }
is it time to check to see if the resource source has been updated ?
