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.core.util;
15
16 /**
17 * A default {@link DelayStrategy} that implements a simple fixed delay.
18 *
19 * @author Carl Harris
20 * @since 1.1.0
21 */
22 public class FixedDelay implements DelayStrategy {
23
24 private final long subsequentDelay;
25 private long nextDelay;
26
27 /**
28 * Initialize a new {@code FixedDelay} with a given {@code initialDelay} and
29 * {@code subsequentDelay}.
30 *
31 * @param initialDelay value for the initial delay
32 * @param subsequentDelay value for all other delays
33 */
34 public FixedDelay(long initialDelay, long subsequentDelay) {
35 this.nextDelay = initialDelay;
36 this.subsequentDelay = subsequentDelay;
37 }
38
39 /**
40 * Initialize a new {@code FixedDelay} with fixed delay value given by
41 * {@code delay} parameter.
42 *
43 * @param delay value for all delays
44 */
45 public FixedDelay(int delay) {
46 this(delay, delay);
47 }
48
49 /**
50 * {@inheritDoc}
51 */
52 public long nextDelay() {
53 long delay = nextDelay;
54 nextDelay = subsequentDelay;
55 return delay;
56 }
57
58 }