1   /*
2    * Copyright (C) 2011 The Guava Authors
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.google.common.eventbus;
18  
19  import com.google.caliper.BeforeExperiment;
20  import com.google.caliper.Benchmark;
21  
22  /**
23   * Benchmark for {@link EventBus}.
24   *
25   * @author Eric Fellheimer
26   */
27  public class EventBusBenchmark {
28  
29    private EventBus eventBus;
30  
31    @BeforeExperiment
32    void setUp() {
33      eventBus = new EventBus("for benchmarking purposes");
34      eventBus.register(this);
35    }
36  
37    @Benchmark void postStrings(int reps) {
38      for (int i = 0; i < reps; i++) {
39        eventBus.post("hello there");
40      }
41    }
42  
43    @Subscribe
44    public void handleStrings(String string) {
45      // Nothing to do here.
46    }
47  }