package nodes import ( "pandax/apps/device/services" "pandax/pkg/rule_engine/message" ) type switchMetaNode struct { bareNode DeviceId string `json:"deviceId" yaml:"deviceId"` } type switchMetaNodeFactory struct{} func (f switchMetaNodeFactory) Name() string { return "SwitchMetaNode" } func (f switchMetaNodeFactory) Category() string { return NODE_CATEGORY_ACTION } func (f switchMetaNodeFactory) Labels() []string { return []string{"Success", "Failure"} } func (f switchMetaNodeFactory) Create(id string, meta Properties) (Node, error) { node := &switchMetaNode{ bareNode: newBareNode(f.Name(), id, meta, f.Labels()), } return decodePath(meta, node) } func (n *switchMetaNode) Handle(msg *message.Message) error { n.Debug(msg, message.DEBUGIN, "") successLabelNode := n.GetLinkedNode("Success") failureLabelNode := n.GetLinkedNode("Failure") // 获取设备信息 device, err := services.DeviceModelDao.FindOne(n.DeviceId) if err != nil { n.Debug(msg, message.DEBUGOUT, err.Error()) if failureLabelNode != nil { return failureLabelNode.Handle(msg) } else { return err } } // 更改元数据基本信息 msg.Metadata = map[string]interface{}{ "deviceId": n.DeviceId, "deviceName": device.Name, "deviceType": device.DeviceType, "deviceProtocol": device.Product.ProtocolName, "productId": device.Pid, "orgId": device.OrgId, "owner": device.Owner, } if successLabelNode != nil { n.Debug(msg, message.DEBUGOUT, "") return successLabelNode.Handle(msg) } return nil }