2 * Copyright (c) 2017 Uber Technologies, Inc.
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
17 #ifndef JAEGERTRACING_SAMPLERS_SAMPLER_H
18 #define JAEGERTRACING_SAMPLERS_SAMPLER_H
20 #include "jaegertracing/Compilers.h"
22 #include "jaegertracing/TraceID.h"
23 #include "jaegertracing/samplers/SamplingStatus.h"
25 namespace jaegertracing
{
33 kGuaranteedThroughputProbabilisticSampler
,
34 kProbabilisticSampler
,
36 kRemotelyControlledSampler
39 virtual ~Sampler() = default;
41 virtual SamplingStatus
isSampled(const TraceID
& id
,
42 const std::string
& operation
) = 0;
44 virtual void close() = 0;
46 virtual Type
type() const = 0;
49 } // namespace samplers
50 } // namespace jaegertracing
52 #endif // JAEGERTRACING_SAMPLERS_SAMPLER_H