package gw.contact
uses java.util.Date

class LastUpdateTimeUtil {

  private construct() {
  }

  static function calculateLastUpdateTime(oldUpdateTime : Date, newUpdateTime : Date) : Date {
    if (newUpdateTime == null) {
      return Date.CurrentDate
    }
    var newLastUpdateTime = oldUpdateTime == null ? newUpdateTime : {oldUpdateTime, newUpdateTime}.max()
    return {newLastUpdateTime, Date.CurrentDate}.min()
  }
}