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      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 }
     48