mirror of
https://github.com/open-telemetry/opentelemetry-go.git
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fdfc821bac
Comment should be complete sentences outside of lists with sentence fragments. This adds the godot linter to check these complete sentences end with punctuation. If they do not, running fix will append a period.
90 lines
2.7 KiB
Go
90 lines
2.7 KiB
Go
// Copyright The OpenTelemetry Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package trace // import "go.opentelemetry.io/otel/trace"
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import (
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"context"
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"go.opentelemetry.io/otel/attribute"
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"go.opentelemetry.io/otel/codes"
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)
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// NewNoopTracerProvider returns an implementation of TracerProvider that
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// performs no operations. The Tracer and Spans created from the returned
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// TracerProvider also perform no operations.
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func NewNoopTracerProvider() TracerProvider {
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return noopTracerProvider{}
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}
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type noopTracerProvider struct{}
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var _ TracerProvider = noopTracerProvider{}
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// Tracer returns noop implementation of Tracer.
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func (p noopTracerProvider) Tracer(string, ...TracerOption) Tracer {
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return noopTracer{}
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}
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// noopTracer is an implementation of Tracer that preforms no operations.
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type noopTracer struct{}
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var _ Tracer = noopTracer{}
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// Start carries forward a non-recording Span, if one is present in the context, otherwise it
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// creates a no-op Span.
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func (t noopTracer) Start(ctx context.Context, name string, _ ...SpanStartOption) (context.Context, Span) {
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span := SpanFromContext(ctx)
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if _, ok := span.(nonRecordingSpan); !ok {
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// span is likely already a noopSpan, but let's be sure
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span = noopSpan{}
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}
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return ContextWithSpan(ctx, span), span
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}
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// noopSpan is an implementation of Span that preforms no operations.
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type noopSpan struct{}
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var _ Span = noopSpan{}
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// SpanContext returns an empty span context.
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func (noopSpan) SpanContext() SpanContext { return SpanContext{} }
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// IsRecording always returns false.
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func (noopSpan) IsRecording() bool { return false }
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// SetStatus does nothing.
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func (noopSpan) SetStatus(codes.Code, string) {}
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// SetError does nothing.
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func (noopSpan) SetError(bool) {}
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// SetAttributes does nothing.
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func (noopSpan) SetAttributes(...attribute.KeyValue) {}
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// End does nothing.
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func (noopSpan) End(...SpanEndOption) {}
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// RecordError does nothing.
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func (noopSpan) RecordError(error, ...EventOption) {}
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// AddEvent does nothing.
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func (noopSpan) AddEvent(string, ...EventOption) {}
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// SetName does nothing.
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func (noopSpan) SetName(string) {}
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// TracerProvider returns a no-op TracerProvider.
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func (noopSpan) TracerProvider() TracerProvider { return noopTracerProvider{} }
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