/* * Copyright (C) 2020 The Dagger Authors. * * 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. */ package example.dagger; import dagger.Lazy; import javax.inject.Inject; /** A coffee maker to brew the coffee. */ public class CoffeeMaker { private final CoffeeLogger logger; private final Lazy heater; // Create a possibly costly heater only when we use it. private final Pump pump; @Inject CoffeeMaker(CoffeeLogger logger, Lazy heater, Pump pump) { this.logger = logger; this.heater = heater; this.pump = pump; } public void brew() { heater.get().on(); pump.pump(); logger.log(" [_]P coffee! [_]P "); heater.get().off(); } }