1*f585d8a3SJacky Wang /* 2*f585d8a3SJacky Wang * Copyright (C) 2012 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; 18*f585d8a3SJacky Wang 19*f585d8a3SJacky Wang /** 20*f585d8a3SJacky Wang * Injects dependencies into the fields and methods on instances of type {@code T}. Ignores the 21*f585d8a3SJacky Wang * presence or absence of an injectable constructor. 22*f585d8a3SJacky Wang * 23*f585d8a3SJacky Wang * @param <T> type to inject members of 24*f585d8a3SJacky Wang * 25*f585d8a3SJacky Wang * @since 2.0 (since 1.0 without the provision that {@link #injectMembers} cannot accept 26*f585d8a3SJacky Wang * {@code null}) 27*f585d8a3SJacky Wang */ 28*f585d8a3SJacky Wang public interface MembersInjector<T> { 29*f585d8a3SJacky Wang 30*f585d8a3SJacky Wang /** 31*f585d8a3SJacky Wang * Injects dependencies into the fields and methods of {@code instance}. Ignores the presence or 32*f585d8a3SJacky Wang * absence of an injectable constructor. 33*f585d8a3SJacky Wang * 34*f585d8a3SJacky Wang * <p>Whenever a {@link Component} creates an instance, it performs this injection automatically 35*f585d8a3SJacky Wang * (after first performing constructor injection), so if you're able to let the component create 36*f585d8a3SJacky Wang * all your objects for you, you'll never need to use this method. 37*f585d8a3SJacky Wang * 38*f585d8a3SJacky Wang * @param instance into which members are to be injected 39*f585d8a3SJacky Wang * @throws NullPointerException if {@code instance} is {@code null} 40*f585d8a3SJacky Wang */ injectMembers(T instance)41*f585d8a3SJacky Wang void injectMembers(T instance); 42*f585d8a3SJacky Wang } 43