59 lines
2.0 KiB
Go
59 lines
2.0 KiB
Go
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// Copyright 2019 The OpenZipkin 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 zipkin
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import (
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"time"
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"github.com/openzipkin/zipkin-go/model"
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)
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// Span interface as returned by Tracer.StartSpan()
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type Span interface {
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// Context returns the Span's SpanContext.
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Context() model.SpanContext
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// SetName updates the Span's name.
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SetName(string)
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// SetRemoteEndpoint updates the Span's Remote Endpoint.
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SetRemoteEndpoint(*model.Endpoint)
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// Annotate adds a timed event to the Span.
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Annotate(time.Time, string)
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// Tag sets Tag with given key and value to the Span. If key already exists in
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// the Span the value will be overridden except for error tags where the first
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// value is persisted.
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Tag(string, string)
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// Finish the Span and send to Reporter. If DelaySend option was used at
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// Span creation time, Finish will not send the Span to the Reporter. It then
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// becomes the user's responsibility to get the Span reported (by using
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// span.Flush).
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Finish()
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// Finish the Span with duration and send to Reporter. If DelaySend option was used at
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// Span creation time, FinishedWithDuration will not send the Span to the Reporter. It then
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// becomes the user's responsibility to get the Span reported (by using
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// span.Flush).
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FinishedWithDuration(duration time.Duration)
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// Flush the Span to the Reporter (regardless of being finished or not).
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// This can be used if the DelaySend SpanOption was set or when dealing with
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// one-way RPC tracing where duration might not be measured.
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Flush()
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}
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