1 /* 2 * Copyright (C) 2022 The Android Open Source Project 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 com.android.internal.annotations; 18 19 import static java.lang.annotation.ElementType.METHOD; 20 import static java.lang.annotation.RetentionPolicy.CLASS; 21 22 import java.lang.annotation.Retention; 23 import java.lang.annotation.Target; 24 25 /** 26 * Indicates that the annotated method is used as a deferred 27 * constructor initializing some of the class fields before their 28 * first use. Primarily, intended to be used as a hint to static 29 * analysis tools (e.g. NullAway). 30 */ 31 @Retention(CLASS) 32 @Target({METHOD}) 33 public @interface Initializer { 34 } 35