规则

pkg/rule_engine/rule_engine.go

@@ -0,0 +1,76 @@
+package rule_engine
+
+import (
+	"context"
+	"time"
+)
+
+const (
+	UPDATE_RULE_STATUS_START = "start"
+	UPDATE_RULE_STATUS_STOP  = "stop"
+)
+
+//RuleEngine RuleEngine
+type RuleEngine struct {
+	Name         string
+	ID           string
+	Description  string
+	DebugMode    bool
+	Status       string
+	Payload      []byte
+	Root         bool
+	Channel      string
+	SubTopic     string
+	CreateAt     time.Time
+	LastUpdateAt time.Time
+}
+
+type PageMetadata struct {
+	Total  uint64
+	Offset uint64
+	Limit  uint64
+	Name   string
+}
+
+type RuleEnginePage struct {
+	PageMetadata
+	RuleChains []RuleEngine
+}
+
+// Validate returns an error if representtation is invalid
+func (r RuleEngine) Validate() error {
+	if r.ID == "" {
+		return ErrMalformedEntity
+	}
+	return nil
+}
+
+//RuleEngineRepository specifies realm persistence API
+type RuleEngineRepository interface {
+	//Save save the RuleEngine
+	Save(context.Context, RuleEngine) error
+
+	//Update the RuleEngine
+	Update(context.Context, RuleEngine) (RuleEngine, error)
+
+	//Retrieve return RuleEngine by RuleEngine id
+	Retrieve(context.Context, string) (RuleEngine, error)
+
+	//Revoke remove RuleEngine by RuleEngine id
+	Revoke(context.Context, string) error
+
+	//List return all RuleEngines
+	List(context.Context, uint64, uint64) (RuleEnginePage, error)
+}
+
+// RuleEngineCache contains thing caching interface.
+type RuleEngineCache interface {
+	// Save stores pair thing key, thing id.
+	Save(context.Context, string, string) error
+
+	// ID returns thing ID for given key.
+	ID(context.Context, string) (string, error)
+
+	// Remove thing from cache.
+	Remove(context.Context, string) error
+}