/* Copyright 2018 The TensorFlow Authors. All Rights Reserved.
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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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http://www.apache.org/licenses/LICENSE-2.0
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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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==============================================================================*/
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#ifndef TENSORFLOW_LITE_TOOLS_ACCURACY_STAGE_H_
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#define TENSORFLOW_LITE_TOOLS_ACCURACY_STAGE_H_
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#include "tensorflow/cc/framework/scope.h"
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namespace tensorflow {
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namespace metrics {
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// A stage in an evaluation pipeline.
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// Each stage adds a subgraph to the pipeline. Stages can be chained
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// together.
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class Stage {
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public:
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Stage() = default;
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Stage(const Stage&) = delete;
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Stage& operator=(const Stage&) = delete;
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Stage(const Stage&&) = delete;
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Stage& operator=(const Stage&&) = delete;
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// Adds a subgraph to given scope that takes in `input` as a parameter.
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virtual void AddToGraph(const Scope& scope, const Input& input) = 0;
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virtual ~Stage() {}
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// The name of the stage.
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// Can be used by derived classes for naming the subscope for the stage
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// graph.
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virtual string name() const = 0;
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// The name of the output for the stage.
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virtual string output_name() const = 0;
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const ::tensorflow::Output& Output() const { return stage_output_; }
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protected:
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::tensorflow::Output stage_output_;
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};
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} // namespace metrics
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} // namespace tensorflow
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#endif // TENSORFLOW_LITE_TOOLS_ACCURACY_STAGE_H_
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