if s.Code == "dont_update" {
		err = errors.New("can't update")
	}
	s.BeforeUpdateCallTimes = s.BeforeUpdateCallTimes + 1
	return
}

func (s *Product) BeforeSave(tx *gorm.DB) (err error) {
	if s.Code == "dont_save" {
		err = errors.New("can't save")
	}
	s.BeforeSaveCallTimes = s.BeforeSaveCallTimes + 1
	return
}

func (s *Product) AfterFind(tx *gorm.DB) (err error) {
	s.AfterFindCallTimes = s.AfterFindCallTimes + 1

}

//go:generate msgp -file $GOFILE -unexported
type poolMeta struct {
	Version int          `msg:"v"`
	Pools   []PoolStatus `msg:"pls"`

	// Value should not be saved when we have not loaded anything yet.
	dontSave bool `msg:"-"`
}

// A decommission resumable tells us if decommission is worth
// resuming upon restart of a cluster.
func (p *poolMeta) returnResumablePools() []PoolStatus {
	var newPools []PoolStatus