sdk

type AttributeList interface {
	GetValue(key string) interface{}

	// Iterate loops through the attributes list and applies the yield function on each attribute.
	// If the yield function returns false, we exit the loop.
	Iterate(yield func(key string, value interface{}) bool)

	Len() int
}

type Code uint32

type HttpOperationMetricsHandler interface {
	AddToRequestCount(int64, *http.Request)
}

type Span interface {
	GetAttributes() AttributeList

	// SetAttribute sets an attribute for the span.
	SetAttribute(key string, value interface{})

	// SetError sets an error for the span.
	SetError(err error)

	// SetStatus sets the status of the Span in the form of a code and a
	// description.
	SetStatus(code Code, description string)

	// IsNoop tells whether the span is noop or not, useful for avoiding
	// expensive recording.
	IsNoop() bool

	// AddEvent adds an event to the Span with the provided name, timestamp and attributes.
	AddEvent(name string, ts time.Time, attributes map[string]interface{})

	//GetSpanId fetches the ID of the span that it is called upon
	GetSpanId() string
}

type SpanFromContext func(ctx context.Context) Span

type SpanKind string

type SpanOptions struct {
	Kind      SpanKind
	Timestamp time.Time
}

type StartSpan func(ctx context.Context, name string, opts *SpanOptions) (context.Context, Span, func())