1 /*
2  * Copyright (C) 2006 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.app;
18 
19 import android.util.ArrayMap;
20 import android.util.SparseArray;
21 
22 public class ProcessMap<E> {
23     final ArrayMap<String, SparseArray<E>> mMap
24             = new ArrayMap<String, SparseArray<E>>();
25 
get(String name, int uid)26     public E get(String name, int uid) {
27         SparseArray<E> uids = mMap.get(name);
28         if (uids == null) return null;
29         return uids.get(uid);
30     }
31 
put(String name, int uid, E value)32     public E put(String name, int uid, E value) {
33         SparseArray<E> uids = mMap.get(name);
34         if (uids == null) {
35             uids = new SparseArray<E>(2);
36             mMap.put(name, uids);
37         }
38         uids.put(uid, value);
39         return value;
40     }
41 
remove(String name, int uid)42     public E remove(String name, int uid) {
43         SparseArray<E> uids = mMap.get(name);
44         if (uids != null) {
45             final E old = uids.removeReturnOld(uid);
46             if (uids.size() == 0) {
47                 mMap.remove(name);
48             }
49             return old;
50         }
51         return null;
52     }
53 
getMap()54     public ArrayMap<String, SparseArray<E>> getMap() {
55         return mMap;
56     }
57 
size()58     public int size() {
59         return mMap.size();
60     }
61 }
62