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1 | sclass RestartableCountdown implements AutoCloseable {
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2 | java.util.Timer timer; |
3 | long targetTime; // in sys time |
4 | |
5 | ifndef RestartableCountdown_noStats |
6 | long /*firings,*/ totalSleepTime; // stats |
7 | endifndef |
8 | |
9 | synchronized void setTargetTime(long targetTime, Runnable action) {
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10 | if (targetTime <= 0) |
11 | stop(); |
12 | else if (targetTime != this.targetTime) {
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13 | start(targetTime-sysNow(), action); |
14 | this.targetTime = targetTime; |
15 | } |
16 | } |
17 | |
18 | // stops the countdown and restarts it |
19 | synchronized void start(long delayMS, O action) {
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20 | stop(); |
21 | if (delayMS <= 0) |
22 | thread { callF(action); }
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23 | else {
|
24 | ifndef RestartableCountdown_noStats |
25 | totalSleepTime += delayMS; |
26 | endifndef |
27 | timer = doLater_daemon(delayMS, action); |
28 | targetTime = sysNow()+delayMS; |
29 | } |
30 | } |
31 | |
32 | void start(double delaySeconds, O action) {
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33 | start(toMS(delaySeconds), action); |
34 | } |
35 | |
36 | synchronized void stop() {
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37 | cancelTimer(timer); |
38 | timer = null; |
39 | targetTime = 0; |
40 | } |
41 | |
42 | public void close() { stop(); }
|
43 | } |
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| Snippet ID: | #1015557 |
| Snippet name: | RestartableCountdown |
| Eternal ID of this version: | #1015557/11 |
| Text MD5: | 33512b8ef0eb920e6611dbb568e6c0fb |
| Transpilation MD5: | 83a633bb1316969f434c63bdbcd1d445 |
| Author: | stefan |
| Category: | javax / timers |
| Type: | JavaX fragment (include) |
| Public (visible to everyone): | Yes |
| Archived (hidden from active list): | No |
| Created/modified: | 2021-10-20 02:07:19 |
| Source code size: | 1086 bytes / 43 lines |
| Pitched / IR pitched: | No / No |
| Views / Downloads: | 621 / 1336 |
| Version history: | 10 change(s) |
| Referenced in: | [show references] |