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
19 package org.apache.jmeter.samplers;
20
21 /**
22 * Allows notification on events occuring during the sampling process.
23 * Specifically, when sampling is started, when a specific sample is obtained,
24 * and when sampling is stopped.
25 *
26 * @version $Revision: 674365 $
27 */
28 public interface SampleListener {
29 /**
30 * A sample has started and stopped.
31 */
32 public void sampleOccurred(SampleEvent e);
33
34 /**
35 * A sample has started.
36 */
37 public void sampleStarted(SampleEvent e);
38
39 /**
40 * A sample has stopped.
41 */
42 public void sampleStopped(SampleEvent e);
43 }