1/*
2 * Copyright (C) 2017 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file
5 * except in compliance with the License. You may obtain a copy of the License at
6 *
7 *      http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software distributed under the
10 * License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
11 * KIND, either express or implied. See the License for the specific language governing
12 * permissions and limitations under the License.
13 */
14
15package com.android.systemui.plugins.annotations;
16
17import java.lang.annotation.Repeatable;
18import java.lang.annotation.Retention;
19import java.lang.annotation.RetentionPolicy;
20
21/**
22 * Used to indicate that an interface in the plugin library needs another
23 * interface to function properly. When this is added, it will be enforced
24 * that all plugins that @Requires the annotated interface also @Requires
25 * the specified class as well.
26 */
27@Retention(RetentionPolicy.RUNTIME)
28@Repeatable(value = Dependencies.class)
29public @interface DependsOn {
30    Class<?> target();
31
32}
33