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< > BotCompany Repo | #1015557 // RestartableCountdown

JavaX fragment (include) [tags: use-pretranspiled]

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sclass RestartableCountdown implements AutoCloseable {
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  java.util.Timer timer;
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  long targetTime; // in sys time
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  ifndef RestartableCountdown_noStats
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  long /*firings,*/ totalSleepTime; // stats
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  endifndef
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  synchronized void setTargetTime(long targetTime, Runnable action) {
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    if (targetTime <= 0)
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      stop();
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    else if (targetTime != this.targetTime) {
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      start(targetTime-sysNow(), action);
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      this.targetTime = targetTime;
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    }
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  }
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  // stops the countdown and restarts it
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  synchronized void start(long delayMS, O action) {
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    stop();
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    if (delayMS <= 0)
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      thread { callF(action); }
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    else {
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      ifndef RestartableCountdown_noStats
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        totalSleepTime += delayMS;
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      endifndef
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      timer = doLater_daemon(delayMS, action);
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      targetTime = sysNow()+delayMS;
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    }
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  }
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  void start(double delaySeconds, O action) {
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    start(toMS(delaySeconds), action);
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  }
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  synchronized void stop() {
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    cancelTimer(timer);
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    timer = null;
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    targetTime = 0;
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  }
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  public void close() { stop(); }
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}

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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: 487 / 1191
Version history: 10 change(s)
Referenced in: [show references]