func (rep *Representative) Claim(instance instance.Instance) {
rep.lock.Lock()
defer rep.lock.Unlock()
_, ok := rep.instances[instance.InstanceGuid]
if !ok {
panic("wat?")
}
instance.Tentative = false
rep.instances[instance.InstanceGuid] = instance
}
func (rep *Representative) ReserveAndRecastVote(instance instance.Instance) (float64, error) {
rep.lock.Lock()
defer rep.lock.Unlock()
if !rep.hasRoomFor(instance) {
return 0, InsufficientResources
}
score := rep.score(instance) //recompute score *first*
instance.Tentative = true
rep.instances[instance.InstanceGuid] = instance //*then* make reservation
return score, nil
}