Source: noop_span.go in package go.opentelemetry.io/otel/api/trace

Copyright The OpenTelemetry Authors Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.


package trace

import (
	"context"
	"time"

	"go.opentelemetry.io/otel/codes"
	"go.opentelemetry.io/otel/label"
)

type NoopSpan struct {
}

var _ Span = (*NoopSpan)(nil)

SpanContext returns an invalid span context.

func (NoopSpan) SpanContext() SpanContext {
	return EmptySpanContext()
}

IsRecording always returns false for NoopSpan.

func (NoopSpan) IsRecording() bool {
	return false
}

SetStatus does nothing.

func (NoopSpan) SetStatus(status codes.Code, msg string) {
}

SetError does nothing.

func (NoopSpan) SetError(v bool) {
}

SetAttributes does nothing.

func (NoopSpan) SetAttributes(attributes ...label.KeyValue) {
}

SetAttribute does nothing.

func (NoopSpan) SetAttribute(k string, v interface{}) {
}

End does nothing.

func (NoopSpan) End(options ...EndOption) {
}

RecordError does nothing.

func (NoopSpan) RecordError(ctx context.Context, err error, opts ...ErrorOption) {
}

Tracer returns noop implementation of Tracer.

func (NoopSpan) Tracer() Tracer {
	return NoopTracer{}
}

AddEvent does nothing.

func (NoopSpan) AddEvent(ctx context.Context, name string, attrs ...label.KeyValue) {
}

AddEventWithTimestamp does nothing.

func (NoopSpan) AddEventWithTimestamp(ctx context.Context, timestamp time.Time, name string, attrs ...label.KeyValue) {
}

SetName does nothing.

func (NoopSpan) SetName(name string) {