json_type

Documentation

Index

• Variables
• type JsonType
  • func MetricValueToJsonType(metric *sparkplug.Payload_Metric) (JsonType, error)
  • func NodeValueToJsonType(variant *ua.Variant) (JsonType, error)

Variables

var ErrPayloadMetricNil = fmt.Errorf("payload metrics is nil")

var ErrPayloadMetricNilHasProperties = fmt.Errorf("payload metrics is nil, properties are not nil")

Types

type JsonType

type JsonType interface {
	MarshalJSON() ([]byte, error)
	MarshalBinary() ([]byte, error)
	String() string
	Bytes() []byte
}

JsonType is an interface that represents either a number, string, boolean, or an array of those types. It's intented to serialize single values or arrays of values to JSON

func MetricValueToJsonType

func MetricValueToJsonType(metric *sparkplug.Payload_Metric) (JsonType, error)

MetricValueToJsonType will convert a sparkplug datatype to a JSON type, one of: number, string, boolean, array

func NodeValueToJsonType

func NodeValueToJsonType(variant *ua.Variant) (JsonType, error)

NodeValueToJsonType will convert a OPC UA Node type to a JSON type, one of: number, string, boolean, array