chromium/components/segmentation_platform/internal/execution/model_executor_impl.h

// Copyright 2022 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef COMPONENTS_SEGMENTATION_PLATFORM_INTERNAL_EXECUTION_MODEL_EXECUTOR_IMPL_H_
#define COMPONENTS_SEGMENTATION_PLATFORM_INTERNAL_EXECUTION_MODEL_EXECUTOR_IMPL_H_

#include <memory>
#include <optional>
#include <vector>

#include "base/memory/raw_ptr.h"
#include "base/memory/weak_ptr.h"
#include "base/time/clock.h"
#include "components/segmentation_platform/internal/database/segment_info_database.h"
#include "components/segmentation_platform/internal/execution/execution_request.h"
#include "components/segmentation_platform/internal/execution/model_executor.h"
#include "components/segmentation_platform/public/model_provider.h"

namespace segmentation_platform {

namespace processing {
class FeatureListQueryProcessor;
}

// Uses SignalDatabase (raw signals), and uses a
// processing::FeatureListQueryProcessor for each feature to go from metadata
// and raw signals to create an input tensor to use when executing the ML model.
// It then uses this input tensor to execute the model and returns the result
// through a callback. Uses a state within callbacks for executing multiple
// models simultaneously, or the same model multiple times without waiting for
// the requests to finish.
class ModelExecutorImpl : public ModelExecutor { … };

}  // namespace segmentation_platform

#endif  // COMPONENTS_SEGMENTATION_PLATFORM_INTERNAL_EXECUTION_MODEL_EXECUTOR_IMPL_H_