1 | /** |
---|
2 | * Licensed to the Apache Software Foundation (ASF) under one or more |
---|
3 | * contributor license agreements. See the NOTICE file distributed with this |
---|
4 | * work for additional information regarding copyright ownership. The ASF |
---|
5 | * licenses this file to you under the Apache License, Version 2.0 (the |
---|
6 | * "License"); you may not use this file except in compliance with the License. |
---|
7 | * You may obtain a copy of the License at |
---|
8 | * |
---|
9 | * http://www.apache.org/licenses/LICENSE-2.0 |
---|
10 | * |
---|
11 | * Unless required by applicable law or agreed to in writing, software |
---|
12 | * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT |
---|
13 | * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the |
---|
14 | * License for the specific language governing permissions and limitations under |
---|
15 | * the License. |
---|
16 | */ |
---|
17 | package org.apache.hadoop.io.file.tfile; |
---|
18 | |
---|
19 | import java.io.IOException; |
---|
20 | import java.text.DateFormat; |
---|
21 | import java.text.SimpleDateFormat; |
---|
22 | |
---|
23 | /** |
---|
24 | * this class is a time class to |
---|
25 | * measure to measure the time |
---|
26 | * taken for some event. |
---|
27 | */ |
---|
28 | public class Timer { |
---|
29 | long startTimeEpoch; |
---|
30 | long finishTimeEpoch; |
---|
31 | private DateFormat formatter = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"); |
---|
32 | |
---|
33 | public void startTime() throws IOException { |
---|
34 | startTimeEpoch = System.currentTimeMillis(); |
---|
35 | } |
---|
36 | |
---|
37 | public void stopTime() throws IOException { |
---|
38 | finishTimeEpoch = System.currentTimeMillis(); |
---|
39 | } |
---|
40 | |
---|
41 | public long getIntervalMillis() throws IOException { |
---|
42 | return finishTimeEpoch - startTimeEpoch; |
---|
43 | } |
---|
44 | |
---|
45 | public void printlnWithTimestamp(String message) throws IOException { |
---|
46 | System.out.println(formatCurrentTime() + " " + message); |
---|
47 | } |
---|
48 | |
---|
49 | public String formatTime(long millis) { |
---|
50 | return formatter.format(millis); |
---|
51 | } |
---|
52 | |
---|
53 | public String getIntervalString() throws IOException { |
---|
54 | long time = getIntervalMillis(); |
---|
55 | return formatTime(time); |
---|
56 | } |
---|
57 | |
---|
58 | public String formatCurrentTime() { |
---|
59 | return formatTime(System.currentTimeMillis()); |
---|
60 | } |
---|
61 | |
---|
62 | } |
---|
63 | |
---|