1 /* 2 * Copyright 2022 Google LLC 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 package com.google.android.libraries.mobiledatadownload.file.common; 17 18 import java.io.IOException; 19 20 /** 21 * A class whose initialization requires disk IO, which is deferred to the time of first use. The 22 * client can optionally call {@link #init} on the class in order to initialize it (and handle any 23 * exceptions) immediately. 24 */ 25 public interface LazyInitializable { init()26 void init() throws IOException; 27 } 28