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// Copyright 2022 The OpenZipkin 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 zipkin
import (
"time"
"github.com/openzipkin/zipkin-go/model"
)
type noopSpan struct {
model.SpanContext
}
func (n *noopSpan) Context() model.SpanContext { return n.SpanContext }
func (n *noopSpan) SetName(string) {}
func (*noopSpan) SetRemoteEndpoint(*model.Endpoint) {}
func (*noopSpan) Annotate(time.Time, string) {}
func (*noopSpan) Tag(string, string) {}
func (*noopSpan) Finish() {}
func (*noopSpan) FinishedWithDuration(_ time.Duration) {}
func (*noopSpan) Flush() {}
// IsNoop tells whether the span is noop or not. Usually used to avoid resource misusage
// when customizing a span as data won't be recorded
func IsNoop(s Span) bool {
_, ok := s.(*noopSpan)
return ok
}
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