1   /*
2    * Logback: the reliable, generic, fast and flexible logging framework.
3    * Copyright (C) 1999-2026, 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 v2.0 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  
15  package ch.qos.logback.core.util;
16  
17  public interface InvocationGate {
18  
19      final long TIME_UNAVAILABLE = -1;
20  
21      /**
22       * The caller of this method can decide to skip further work if the returned
23       * value is true.
24       * 
25       * Implementations should be able to give a reasonable answer even if current
26       * time date is unavailable.
27       * 
28       * @param currentTime can be TIME_UNAVAILABLE (-1) to signal that time is not
29       *                    available
30       * @return if true, caller should skip further work
31       */
32      public abstract boolean isTooSoon(long currentTime);
33  
34  }