package dataStruct

type DMapDtuDev struct {
	Map *DMapKv
}

func NewDMapDtuDev() *DMapDtuDev {
	cm := &DMapDtuDev{
		Map: NewDMapKv(),
	}
	return cm
}

func (cm *DMapDtuDev) Add(key string, val *DTUDeviceState) {
	cm.Map.Add(key, val)
}

func (cm *DMapDtuDev) Remove(key string) {
	cm.Map.Remove(key)
}

func (cm *DMapDtuDev) Get(key string) (*DTUDeviceState, bool) {
	v, ok := cm.Map.Get(key)
	if ok {
		return v.(*DTUDeviceState), true
	} else {
		var t *DTUDeviceState
		return t, false
	}
}

// AlterKey 修改key
func (cm *DMapDtuDev) AlterKey(before, after string) bool {
	if before == after {
		return true
	}
	if v, ok := cm.Map.Get(before); !ok {
		return false
	} else {
		if _, ok = cm.Map.Get(after); ok {
			return false
		}
		val := v.(*DTUDeviceState)
		cm.Map.Add(after, val)
		cm.Map.Remove(before)
		return true
	}
}

func (cm *DMapDtuDev) Len() int {
	return cm.Map.Len()
}

func (cm *DMapDtuDev) Clean() {
	cm.Map.Clean()
}