You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
34 lines
633 B
Go
34 lines
633 B
Go
package trace
|
|
|
|
import (
|
|
"context"
|
|
|
|
"github.com/tal-tech/go-zero/core/trace/tracespec"
|
|
)
|
|
|
|
var emptyNoopSpan = noopSpan{}
|
|
|
|
type noopSpan struct{}
|
|
|
|
func (s noopSpan) Finish() {
|
|
}
|
|
|
|
func (s noopSpan) Follow(ctx context.Context, serviceName, operationName string) (context.Context, tracespec.Trace) {
|
|
return ctx, emptyNoopSpan
|
|
}
|
|
|
|
func (s noopSpan) Fork(ctx context.Context, serviceName, operationName string) (context.Context, tracespec.Trace) {
|
|
return ctx, emptyNoopSpan
|
|
}
|
|
|
|
func (s noopSpan) SpanId() string {
|
|
return ""
|
|
}
|
|
|
|
func (s noopSpan) TraceId() string {
|
|
return ""
|
|
}
|
|
|
|
func (s noopSpan) Visit(fn func(key, val string) bool) {
|
|
}
|