xref: /aosp_15_r20/external/google-fruit/examples/scaling_doubles/scaler.cpp (revision a65addddcf69f38db5b288d787b6b7571a57bb8f)

/*
 * Copyright 2014 Google Inc. All rights reserved.
 *
 * 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.
 */

#include "scaler.h"
#include "multiplier.h"

using fruit::Component;
using fruit::Injector;
using fruit::createComponent;

class ScalerImpl : public Scaler {
private:
  Multiplier* multiplier;
  double factor;

public:
  INJECT(ScalerImpl(ASSISTED(double) factor, Multiplier* multiplier)) : multiplier(multiplier), factor(factor) {}

  double scale(double x) override {
    return multiplier->multiply(x, factor);
  }
};

Component<ScalerFactory> getScalerComponent() {
  return createComponent().bind<Scaler, ScalerImpl>().install(getMultiplierComponent);
}