synchronized void cancel(IndexShard shard, String reason) {
final ShardRecoveryContext shardRecoveryContext = ongoingRecoveries.get(shard);
if (shardRecoveryContext != null) {
final List<Exception> failures = new ArrayList<>();
for (RecoverySourceHandler handlers : shardRecoveryContext.recoveryHandlers) {
try {
handlers.cancel(reason);
} catch (Exception ex) {
failures.add(ex);
} finally {
shard.recoveryStats().decCurrentAsSource();
}
}
ExceptionsHelper.maybeThrowRuntimeAndSuppress(failures);
}
}
