1 /*
2  * Copyright (C) 2017 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.tools.layoutlib.annotations;
18 
19 import java.lang.annotation.Retention;
20 import java.lang.annotation.RetentionPolicy;
21 
22 /**
23  * Denotes a parameter or field can not be null.
24  * <p/>
25  * When decorating a method call parameter, this denotes the parameter can
26  * not be null.
27  * <p/>
28  * When decorating a method, this denotes the method can not return null.
29  * <p/>
30  * This is a marker annotation and it has no specific attributes.
31  */
32 @Retention(RetentionPolicy.SOURCE)
33 public @interface NotNull {
34 }
35