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feat: flag to control the Infrastructure executor shutdown on update #2020

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Merged
jponge merged 1 commit into from
Dec 1, 2025
+27 −9
Merged

feat: flag to control the Infrastructure executor shutdown on update #2020

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36 changes: 27 additions & 9 deletions implementation/src/main/java/io/smallrye/mutiny/infrastructure/Infrastructure.java
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Original file line number Diff line number Diff line change
Expand Up @@ -87,19 +87,37 @@ public static void setDefaultExecutor() {
setDefaultExecutor(scheduler);
}

/**
* Changes the default executor, and shuts the previous executor down.
*
* @param s the new executor
*/
public static void setDefaultExecutor(Executor s) {
if (s == DEFAULT_EXECUTOR) {
setDefaultExecutor(s, true);
}

/**
* Changes the default executor, and shuts the previous executor down when {@code shutdownPrevious} is {@code true}.
*
* @param executor the new executor
* @param shutdownPrevious {@code true} when the previous executor needs to be shut down, {@code false} otherwise
*/
public static void setDefaultExecutor(Executor executor, boolean shutdownPrevious) {
if (executor == DEFAULT_EXECUTOR) {
return;
}
Executor existing = DEFAULT_EXECUTOR;
if (existing instanceof ExecutorService) {
((ExecutorService) existing).shutdownNow();
}
if (DEFAULT_SCHEDULER != null) {
DEFAULT_SCHEDULER.shutdownNow();
if (shutdownPrevious) {
Executor existing = DEFAULT_EXECUTOR;
if (existing instanceof ExecutorService) {
((ExecutorService) existing).shutdownNow();
}
if (DEFAULT_SCHEDULER != null) {
DEFAULT_SCHEDULER.shutdownNow();
}
}
DEFAULT_EXECUTOR = s;
DEFAULT_SCHEDULER = (s instanceof ScheduledExecutorService) ? (ScheduledExecutorService) s : new MutinyScheduler(s);
DEFAULT_EXECUTOR = executor;
DEFAULT_SCHEDULER = (executor instanceof ScheduledExecutorService) ? (ScheduledExecutorService) executor
: new MutinyScheduler(executor);
}

public static ScheduledExecutorService getDefaultWorkerPool() {
Expand Down