private void updateCurrentlyServingReplica(
ScannerCallable scanner, Result[] result, AtomicBoolean done, ExecutorService pool) {
if (done.compareAndSet(false, true)) {
if (currentScannerCallable != scanner) replicaSwitched.set(true);
currentScannerCallable = scanner;
// store where to start the replica scanner from if we need to.
if (result != null && result.length != 0) this.lastResult = result[result.length - 1];
if (LOG.isTraceEnabled()) {
LOG.trace(
"Setting current scanner as "
+ currentScannerCallable.scannerId
+ " associated with "
+ currentScannerCallable.getHRegionInfo().getReplicaId());
}
// close all outstanding replica scanners but the one we heard back from
outstandingCallables.remove(scanner);
for (ScannerCallable s : outstandingCallables) {
if (LOG.isDebugEnabled()) {
LOG.debug(
"Closing scanner "
+ s.scannerId
+ " because this was slow and another replica succeeded");
}
// Submit the "close" to the pool since this might take time, and we don't
// want to wait for the "close" to happen yet. The "wait" will happen when
// the table is closed (when the awaitTermination of the underlying pool is called)
s.setClose();
RetryingRPC r = new RetryingRPC(s);
pool.submit(r);
}
// now clear outstandingCallables since we scheduled a close for all the contained scanners
outstandingCallables.clear();
}
}
public void setClose() {
currentScannerCallable.setClose();
}
