1 /*
2  * Copyright (C) 2020 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.logging;
18 
19 /**
20  * A fake implementation of InstanceIdSequence that returns 1, 2, ...
21  */
22 public class InstanceIdSequenceFake extends InstanceIdSequence {
23 
InstanceIdSequenceFake(int instanceIdMax)24     public InstanceIdSequenceFake(int instanceIdMax) {
25         super(instanceIdMax);
26     }
27 
28     private int mNextId = 1;
29 
30     @Override
newInstanceId()31     public InstanceId newInstanceId() {
32         synchronized (this) {
33             if (mNextId >= mInstanceIdMax) {
34                 mNextId = 1;
35             }
36             return newInstanceIdInternal(mNextId++);
37         }
38     }
39 }
40