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1   /**
2    * Logback: the reliable, generic, fast and flexible logging framework.
3    * Copyright (C) 1999-2015, QOS.ch. All rights reserved.
4    *
5    * This program and the accompanying materials are dual-licensed under
6    * either the terms of the Eclipse Public License v1.0 as published by
7    * the Eclipse Foundation
8    *
9    *   or (per the licensee's choosing)
10   *
11   * under the terms of the GNU Lesser General Public License version 2.1
12   * as published by the Free Software Foundation.
13   */
14  package ch.qos.logback.classic.issue.logback416;
15  
16  import java.util.concurrent.atomic.AtomicInteger;
17  
18  import ch.qos.logback.classic.spi.ILoggingEvent;
19  import ch.qos.logback.core.AppenderBase;
20  
21  public class InstanceCountingAppender extends AppenderBase<ILoggingEvent> {
22  
23      static public AtomicInteger INSTANCE_COUNT = new AtomicInteger(0);
24  
25      public InstanceCountingAppender() {
26          INSTANCE_COUNT.getAndIncrement();
27      }
28  
29      protected void append(ILoggingEvent e) {
30      }
31  
32  }