virajjasani commented on PR #5837:
URL: https://github.com/apache/hbase/pull/5837#issuecomment-2083461473
The other example is for `execProcedure`:
```
@Override
public CompletableFuture<Void> execProcedure(String signature, String
instance,
Map<String, String> props) {
CompletableFuture<Void> future = new CompletableFuture<>();
ProcedureDescription procDesc =
ProtobufUtil.buildProcedureDescription(signature, instance, props);
addListener(this.<Long> newMasterCaller()
.action((controller, stub) -> this.<ExecProcedureRequest,
ExecProcedureResponse, Long> call(
controller, stub,
ExecProcedureRequest.newBuilder().setProcedure(procDesc).build(),
(s, c, req, done) -> s.execProcedure(c, req, done), resp ->
resp.getExpectedTimeout()))
.call(), (expectedTimeout, err) -> {
if (err != null) {
future.completeExceptionally(err);
return;
}
TimerTask pollingTask = new TimerTask() {
int tries = 0;
long startTime = EnvironmentEdgeManager.currentTime();
long endTime = startTime + expectedTimeout;
long maxPauseTime = expectedTimeout / maxAttempts;
@Override
public void run(Timeout timeout) throws Exception {
if (EnvironmentEdgeManager.currentTime() < endTime) {
addListener(isProcedureFinished(signature, instance, props),
(done, err2) -> {
if (err2 != null) {
future.completeExceptionally(err2);
return;
}
if (done) {
future.complete(null);
} else {
// retry again after pauseTime.
long pauseTime =
ConnectionUtils.getPauseTime(TimeUnit.NANOSECONDS.toMillis(pauseNs), ++tries);
pauseTime = Math.min(pauseTime, maxPauseTime);
AsyncConnectionImpl.RETRY_TIMER.newTimeout(this, pauseTime,
TimeUnit.MICROSECONDS);
}
});
} else {
future.completeExceptionally(new IOException("Procedure '" +
signature + " : "
+ instance + "' wasn't completed in expectedTime:" +
expectedTimeout + " ms"));
}
}
};
// Queue the polling task into RETRY_TIMER to poll procedure state
asynchronously.
AsyncConnectionImpl.RETRY_TIMER.newTimeout(pollingTask, 1,
TimeUnit.MILLISECONDS);
});
return future;
}
```
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