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.dagger;
18 
19 import javax.inject.Inject;
20 
21 /** A thermosiphon to pump the coffee. */
22 public class Thermosiphon implements Pump {
23   private final CoffeeLogger logger;
24   private final Heater heater;
25 
26   @Inject
Thermosiphon(CoffeeLogger logger, Heater heater)27   Thermosiphon(CoffeeLogger logger, Heater heater) {
28     this.logger = logger;
29     this.heater = heater;
30   }
31 
32   @Override
pump()33   public void pump() {
34     if (heater.isHot()) {
35       logger.log("=> => pumping => =>");
36     }
37   }
38 }
39