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gitea/vendor/go.opentelemetry.io/otel/trace/noop.go
6543 86e2789960
Vendor Update (#16121)
* update github.com/PuerkitoBio/goquery

* update github.com/alecthomas/chroma

* update github.com/blevesearch/bleve/v2

* update github.com/caddyserver/certmagic

* update github.com/go-enry/go-enry/v2

* update github.com/go-git/go-billy/v5

* update github.com/go-git/go-git/v5

* update github.com/go-redis/redis/v8

* update github.com/go-testfixtures/testfixtures/v3

* update github.com/jaytaylor/html2text

* update github.com/json-iterator/go

* update github.com/klauspost/compress

* update github.com/markbates/goth

* update github.com/mattn/go-isatty

* update github.com/mholt/archiver/v3

* update github.com/microcosm-cc/bluemonday

* update github.com/minio/minio-go/v7

* update github.com/prometheus/client_golang

* update github.com/unrolled/render

* update github.com/xanzy/go-gitlab

* update github.com/yuin/goldmark

* update github.com/yuin/goldmark-highlighting

Co-authored-by: techknowlogick <techknowlogick@gitea.io>
2021-06-10 16:44:25 +02:00

85 lines
2.5 KiB
Go
Vendored

// 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 "go.opentelemetry.io/otel/trace"
import (
"context"
"go.opentelemetry.io/otel/attribute"
"go.opentelemetry.io/otel/codes"
)
// NewNoopTracerProvider returns an implementation of TracerProvider that
// performs no operations. The Tracer and Spans created from the returned
// TracerProvider also perform no operations.
func NewNoopTracerProvider() TracerProvider {
return noopTracerProvider{}
}
type noopTracerProvider struct{}
var _ TracerProvider = noopTracerProvider{}
// Tracer returns noop implementation of Tracer.
func (p noopTracerProvider) Tracer(string, ...TracerOption) Tracer {
return noopTracer{}
}
// noopTracer is an implementation of Tracer that preforms no operations.
type noopTracer struct{}
var _ Tracer = noopTracer{}
// Start starts a noop span.
func (t noopTracer) Start(ctx context.Context, name string, _ ...SpanOption) (context.Context, Span) {
span := noopSpan{}
return ContextWithSpan(ctx, span), span
}
// noopSpan is an implementation of Span that preforms no operations.
type noopSpan struct{}
var _ Span = noopSpan{}
// SpanContext returns an empty span context.
func (noopSpan) SpanContext() SpanContext { return SpanContext{} }
// IsRecording always returns false.
func (noopSpan) IsRecording() bool { return false }
// SetStatus does nothing.
func (noopSpan) SetStatus(codes.Code, string) {}
// SetError does nothing.
func (noopSpan) SetError(bool) {}
// SetAttributes does nothing.
func (noopSpan) SetAttributes(...attribute.KeyValue) {}
// End does nothing.
func (noopSpan) End(...SpanOption) {}
// RecordError does nothing.
func (noopSpan) RecordError(error, ...EventOption) {}
// Tracer returns the Tracer that created this Span.
func (noopSpan) Tracer() Tracer { return noopTracer{} }
// AddEvent does nothing.
func (noopSpan) AddEvent(string, ...EventOption) {}
// SetName does nothing.
func (noopSpan) SetName(string) {}