Initial cloud-services repo - gateway service + pkg modules

pkg/cache/car_dtcs.go

@@ -0,0 +1,28 @@
+package cache
+
+import (
+	"fiskerinc.com/modules/common"
+)
+
+type CarDTCsCacheInterface interface {
+	Exists(dtc common.DTC_ECU) bool
+	Set(dtc common.DTC_ECU)
+}
+
+type CarDTCsCache struct {
+	ringMap *RingMap
+}
+
+func NewCarDTCsCache(capacity int) CarDTCsCacheInterface {
+	return &CarDTCsCache{
+		ringMap: NewRingMap(capacity),
+	}
+}
+
+func (carDtcCache *CarDTCsCache) Exists(dtc common.DTC_ECU) bool {
+	return carDtcCache.ringMap.Exists(dtc.CacheKey(), dtc.StatusByte)
+}
+
+func (carDtcCache *CarDTCsCache) Set(dtc common.DTC_ECU) {
+	carDtcCache.ringMap.Put(dtc.CacheKey(), dtc.StatusByte)
+}