app/src/main/java/com/wireguard/util/NonNullForAll.java


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25

/*
 * Copyright © 2018 Eric Kuck <eric@bluelinelabs.com>.
 * SPDX-License-Identifier: Apache-2.0
 */

package com.wireguard.util;

import java.lang.annotation.Documented;
import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;

import javax.annotation.Nonnull;
import javax.annotation.meta.TypeQualifierDefault;

/**
 * This annotation can be applied to a package, class or method to indicate that all
 * class fields and method parameters and return values in that element are nonnull
 * by default unless overridden.
 */
@Documented
@Nonnull
@TypeQualifierDefault({ElementType.FIELD, ElementType.METHOD, ElementType.PARAMETER})
@Retention(RetentionPolicy.RUNTIME)
public @interface NonNullForAll { }