1*f585d8a3SJacky Wang /* 2*f585d8a3SJacky Wang * Copyright (C) 2019 The Dagger Authors. 3*f585d8a3SJacky Wang * 4*f585d8a3SJacky Wang * Licensed under the Apache License, Version 2.0 (the "License"); 5*f585d8a3SJacky Wang * you may not use this file except in compliance with the License. 6*f585d8a3SJacky Wang * You may obtain a copy of the License at 7*f585d8a3SJacky Wang * 8*f585d8a3SJacky Wang * http://www.apache.org/licenses/LICENSE-2.0 9*f585d8a3SJacky Wang * 10*f585d8a3SJacky Wang * Unless required by applicable law or agreed to in writing, software 11*f585d8a3SJacky Wang * distributed under the License is distributed on an "AS IS" BASIS, 12*f585d8a3SJacky Wang * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13*f585d8a3SJacky Wang * See the License for the specific language governing permissions and 14*f585d8a3SJacky Wang * limitations under the License. 15*f585d8a3SJacky Wang */ 16*f585d8a3SJacky Wang 17*f585d8a3SJacky Wang package dagger.example.atm; 18*f585d8a3SJacky Wang 19*f585d8a3SJacky Wang import java.math.BigDecimal; 20*f585d8a3SJacky Wang 21*f585d8a3SJacky Wang /** An ATM database. */ 22*f585d8a3SJacky Wang interface Database { getAccount(String username)23*f585d8a3SJacky Wang Account getAccount(String username); 24*f585d8a3SJacky Wang 25*f585d8a3SJacky Wang /** An individual user's account. */ 26*f585d8a3SJacky Wang interface Account { username()27*f585d8a3SJacky Wang String username(); 28*f585d8a3SJacky Wang deposit(BigDecimal amount)29*f585d8a3SJacky Wang void deposit(BigDecimal amount); 30*f585d8a3SJacky Wang withdraw(BigDecimal amount)31*f585d8a3SJacky Wang void withdraw(BigDecimal amount); 32*f585d8a3SJacky Wang balance()33*f585d8a3SJacky Wang BigDecimal balance(); 34*f585d8a3SJacky Wang } 35*f585d8a3SJacky Wang } 36