1 /*
2  * Copyright (C) 2019 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.server.utils.quota;
18 
19 import android.annotation.NonNull;
20 import android.annotation.Nullable;
21 
22 /**
23  * Identifies the {@link Category} that each UPTC belongs in.
24  *
25  * @see Uptc
26  */
27 public interface Categorizer {
28     /** A {@link Categorizer} that always returns {@link Category.SINGLE_CATEGORY}. */
29     Categorizer SINGLE_CATEGORIZER = (userId, packageName, tag) -> Category.SINGLE_CATEGORY;
30 
31     /**
32      * Return the {@link Category} that this UPTC belongs to.
33      *
34      * @see Uptc
35      */
36     @NonNull
getCategory(int userId, @NonNull String packageName, @Nullable String tag)37     Category getCategory(int userId, @NonNull String packageName, @Nullable String tag);
38 }
39