source: trunk/grails-app/domain/Person.groovy @ 115

class Person {
        static transients = ['pass']
    static hasMany = [authorities: Authority,
                        personGroups: PersonGroup,
                        taskModifications: TaskModification,
                        entries: Entry,
                        tasks: Task]

    static belongsTo = [Authority, PersonGroup]

        String loginName
        String firstName
    String lastName
    String employeeID

        /** MD5 Password */
        String password

        /** enabled */
        boolean isActive = true

        String email
        boolean emailShow = true

        /** description */
        String description = ''

        /** plain password to create a MD5 password */
        String pass

        static constraints = {
                loginName(blank: false, unique: true, minSize:4)//minSize:7
                firstName(blank: false)
        lastName(blank: false)
        employeeID(blank: true, nullable:true)
        description()
        email()
        emailShow()
        isActive()
        //Enforcing minSize on password does not work since "" gets encoded to a string.
                password(blank: false)
        //So we need to use pass for validation then encode it for above.
        pass(blank: false, minSize:4)

        }

    //Overriding the default toString method
    String toString() {"${this.firstName} ${this.lastName}"}
}