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runAfterEitherAsync (Future method)
Last update:
May 18, 2026
When either this Future or another completes successfully first, runs an action with no arguments on the async executor.
Description
Use runAfterEitherAsync when you only need to know that one of two tasks finished, not which value won.
Returns
A new Future.
Category
Asynchronous programming
Function syntax
future.runAfterEitherAsync(other, action)Parameters
| Parameter | Description |
|---|---|
| other | Required. The other Future to race. |
| action | Required. A function with no parameters that performs an action (void return). |
See also
Example
First completion runs the callback (from product tests).
<cfscript>
f1 = runAsync(function() { return 1; });
f2 = runAsync(function() { sleep(1000); return 2;});
after = f1.runAfterEitherAsync(f2, function() { variables.ran = "YES";});
after.get();
writeOutput(variables.ran); // YES
</cfscript>
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