1 /* 2 * Copyright (C) 2020 The Dagger Authors. 3 * 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 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 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. 15 */ 16 17 package example.common; 18 19 import javax.inject.Inject; 20 21 /** An electric heater to heat the coffee. */ 22 public class ElectricHeater implements Heater { 23 24 private final CoffeeLogger logger; 25 private boolean heating; 26 27 @Inject ElectricHeater(CoffeeLogger logger)28 ElectricHeater(CoffeeLogger logger) { 29 this.logger = logger; 30 } 31 32 @Override on()33 public void on() { 34 this.heating = true; 35 logger.log("~ ~ ~ heating ~ ~ ~"); 36 } 37 38 @Override off()39 public void off() { 40 this.heating = false; 41 } 42 43 @Override isHot()44 public boolean isHot() { 45 return heating; 46 } 47 } 48