diff options
Diffstat (limited to 'vendor/github.com/uber/jaeger-client-go/sampler_v2.go')
-rw-r--r-- | vendor/github.com/uber/jaeger-client-go/sampler_v2.go | 93 |
1 files changed, 0 insertions, 93 deletions
diff --git a/vendor/github.com/uber/jaeger-client-go/sampler_v2.go b/vendor/github.com/uber/jaeger-client-go/sampler_v2.go deleted file mode 100644 index a50671a23..000000000 --- a/vendor/github.com/uber/jaeger-client-go/sampler_v2.go +++ /dev/null @@ -1,93 +0,0 @@ -// Copyright (c) 2019 Uber Technologies, Inc. -// -// 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 jaeger - -// SamplingDecision is returned by the V2 samplers. -type SamplingDecision struct { - Sample bool - Retryable bool - Tags []Tag -} - -// SamplerV2 is an extension of the V1 samplers that allows sampling decisions -// be made at different points of the span lifecycle. -type SamplerV2 interface { - OnCreateSpan(span *Span) SamplingDecision - OnSetOperationName(span *Span, operationName string) SamplingDecision - OnSetTag(span *Span, key string, value interface{}) SamplingDecision - OnFinishSpan(span *Span) SamplingDecision - - // Close does a clean shutdown of the sampler, stopping any background - // go-routines it may have started. - Close() -} - -// samplerV1toV2 wraps legacy V1 sampler into an adapter that make it look like V2. -func samplerV1toV2(s Sampler) SamplerV2 { - if s2, ok := s.(SamplerV2); ok { - return s2 - } - type legacySamplerV1toV2Adapter struct { - legacySamplerV1Base - } - return &legacySamplerV1toV2Adapter{ - legacySamplerV1Base: legacySamplerV1Base{ - delegate: s.IsSampled, - }, - } -} - -// SamplerV2Base can be used by V2 samplers to implement dummy V1 methods. -// Supporting V1 API is required because Tracer configuration only accepts V1 Sampler -// for backwards compatibility reasons. -// TODO (breaking change) remove this in the next major release -type SamplerV2Base struct{} - -// IsSampled implements IsSampled of Sampler. -func (SamplerV2Base) IsSampled(id TraceID, operation string) (sampled bool, tags []Tag) { - return false, nil -} - -// Close implements Close of Sampler. -func (SamplerV2Base) Close() {} - -// Equal implements Equal of Sampler. -func (SamplerV2Base) Equal(other Sampler) bool { return false } - -// legacySamplerV1Base is used as a base for simple samplers that only implement -// the legacy isSampled() function that is not sensitive to its arguments. -type legacySamplerV1Base struct { - delegate func(id TraceID, operation string) (sampled bool, tags []Tag) -} - -func (s *legacySamplerV1Base) OnCreateSpan(span *Span) SamplingDecision { - isSampled, tags := s.delegate(span.context.traceID, span.operationName) - return SamplingDecision{Sample: isSampled, Retryable: false, Tags: tags} -} - -func (s *legacySamplerV1Base) OnSetOperationName(span *Span, operationName string) SamplingDecision { - isSampled, tags := s.delegate(span.context.traceID, span.operationName) - return SamplingDecision{Sample: isSampled, Retryable: false, Tags: tags} -} - -func (s *legacySamplerV1Base) OnSetTag(span *Span, key string, value interface{}) SamplingDecision { - return SamplingDecision{Sample: false, Retryable: true} -} - -func (s *legacySamplerV1Base) OnFinishSpan(span *Span) SamplingDecision { - return SamplingDecision{Sample: false, Retryable: true} -} - -func (s *legacySamplerV1Base) Close() {} |