initial commit 2

domain/contract/cache.go

@@ -0,0 +1,19 @@
+package contract
+
+import "time"
+
+// CacheManager defines the main caching interface
+// 	- Get methods can return domain.ErrCacheMiss
+type CacheManager interface {
+	GetItem(key string) ([]byte, error)
+	SetItem(key string, data []byte) error
+
+	GetString(key string) (string, error)
+	SetString(key string, data string) error
+
+	GetStruct(key string, data interface{}) error
+	SetStruct(key string, data interface{}) error
+
+	GetExpiration(key string) (time.Duration, error)
+	SetExpiration(key string, expiration time.Duration) error
+}