class Department { String name String description = "" String comment = "" boolean isActive = true static hasMany = [sections: Section, departmentExtendedAttributes: DepartmentExtendedAttribute, persons: Person] // static belongsTo = [] static constraints = { name(maxSize:50, unique:true, blank:false) description(maxSize:75) comment(maxSize:500) isActive() } String toString() { "${this.name}" } }