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34 lines
633 B
Go
34 lines
633 B
Go
package trace
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import (
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"context"
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"github.com/tal-tech/go-zero/core/trace/tracespec"
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)
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var emptyNoopSpan = noopSpan{}
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type noopSpan struct{}
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func (s noopSpan) Finish() {
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}
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func (s noopSpan) Follow(ctx context.Context, serviceName, operationName string) (context.Context, tracespec.Trace) {
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return ctx, emptyNoopSpan
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}
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func (s noopSpan) Fork(ctx context.Context, serviceName, operationName string) (context.Context, tracespec.Trace) {
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return ctx, emptyNoopSpan
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}
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func (s noopSpan) SpanId() string {
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return ""
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}
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func (s noopSpan) TraceId() string {
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return ""
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}
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func (s noopSpan) Visit(fn func(key, val string) bool) {
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}
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