2 * Jexer - Java Text User Interface
4 * The MIT License (MIT)
6 * Copyright (C) 2017 Kevin Lamonte
8 * Permission is hereby granted, free of charge, to any person obtaining a
9 * copy of this software and associated documentation files (the "Software"),
10 * to deal in the Software without restriction, including without limitation
11 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
12 * and/or sell copies of the Software, and to permit persons to whom the
13 * Software is furnished to do so, subject to the following conditions:
15 * The above copyright notice and this permission notice shall be included in
16 * all copies or substantial portions of the Software.
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
19 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
20 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
21 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
22 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
23 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
24 * DEALINGS IN THE SOFTWARE.
26 * @author Kevin Lamonte [kevin.lamonte@gmail.com]
31 import java
.util
.Date
;
34 * TTimer implements a simple timer.
36 public final class TTimer
{
39 * If true, re-schedule after every tick. Note package private access.
41 boolean recurring
= false;
44 * Duration (in millis) between ticks if this is a recurring timer.
46 private long duration
= 0;
49 * The next time this timer needs to be ticked.
51 private Date nextTick
;
54 * Get the next time this timer needs to be ticked. Note package private
57 * @return time at which action should be called
64 * Set the recurring flag.
66 * @param recurring if true, re-schedule this timer after every tick
68 public void setRecurring(final boolean recurring
) {
69 this.recurring
= recurring
;
73 * The action to perfom on a tick.
75 private TAction action
;
78 * Tick this timer. Note package private access.
85 Date ticked
= new Date();
87 nextTick
= new Date(ticked
.getTime() + duration
);
92 * Package private constructor.
94 * @param duration number of milliseconds to wait between ticks
95 * @param recurring if true, re-schedule this timer after every tick
96 * @param action to perform on next tick
98 TTimer(final long duration
, final boolean recurring
, final TAction action
) {
100 this.recurring
= recurring
;
101 this.duration
= duration
;
102 this.action
= action
;
104 Date now
= new Date();
105 nextTick
= new Date(now
.getTime() + duration
);