1 /*
2  * Copyright (C) 2018 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.ahat.progress;
18 
19 /**
20  * Null progress tracker that ignores all updates.
21  */
22 public class NullProgress implements Progress {
start(String description, long duration)23   @Override public void start(String description, long duration) { }
advance()24   @Override public void advance() { }
advance(long n)25   @Override public void advance(long n) { }
update(long current)26   @Override public void update(long current) { }
done()27   @Override public void done() { }
28 }
29