1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one or more
3 * contributor license agreements. See the NOTICE file distributed with
4 * this work for additional information regarding copyright ownership.
5 * The ASF licenses this file to You under the Apache License, Version 2.0
6 * (the "License"); you may not use this file except in compliance with
7 * the License. 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,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 */
17
18 package org.apache.commons.monitoring.stopwatches;
19
20 /**
21 * Instrumentation tool to compute resource consumption of some code fragment execution.
22 * <p/>
23 * StopWatch implementation is supposed not to be thread-safe and to be a one-shot tool. Don't
24 * share it beetween threads, don't try to reuse it.
25 *
26 * @author <a href="mailto:nicolas@apache.org">Nicolas De Loof</a>
27 */
28 public interface StopWatch {
29 long getElapsedTime();
30
31 StopWatch stop();
32 }