Race.groovy

package racetrack

class Race {
    String name
    Date startDate
    String city
    String state
    BigDecimal distance

    BigDecimal inMiles() {
        return distance * 0.6214
    }

    BigDecimal cost
    Integer maxRunners = 100000

    static constraints = {
        name(blank:false, maxSize:50)
        startDate()
        city()
        state(inList:["GA", "NC", "SC", "VA"])
        distance(min:0.0)
        cost(min:0.0, max:100.0)
        maxRunners(min:0, max:100000)

        startDate(validator: {return (it > new Date())})
      }
}