1 package org.e2etrace.timer;
2
3 /*
4 * Copyright 2006 Gunther Popp
5 *
6 * Licensed under the Apache License, Version 2.0 (the "License");
7 * you may not use this file except in compliance with the License.
8 * You may obtain a copy of the License at
9 *
10 * http://www.apache.org/licenses/LICENSE-2.0
11 *
12 * Unless required by applicable law or agreed to in writing, software
13 * distributed under the License is distributed on an "AS IS" BASIS,
14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 * See the License for the specific language governing permissions and
16 * limitations under the License.
17 */
18
19 /**
20 * Timers are able to measure the duration between <code>start()</code> and
21 * <code>measure</code> in ms.
22 * <p>
23 */
24 public interface ITimer {
25
26 /**
27 * Starts the timer.
28 * <p>
29 */
30 void start();
31
32 /**
33 * Returns the duration in ms since <code>start()</code>.
34 *
35 * @return duration in ms
36 */
37 long measure();
38
39 }