private Runnable getDeferredEvaluator(final IInstanceKey instance, final IJobUpdateKey key) {
return () ->
storage.write(
(NoResult.Quiet)
storeProvider -> {
IJobUpdateSummary summary =
getOnlyMatch(storeProvider.getJobUpdateStore(), queryByUpdate(key));
JobUpdateStatus status = summary.getState().getStatus();
// Suppress this evaluation if the updater is not currently active.
if (JobUpdateStateMachine.isActive(status)) {
UpdateFactory.Update update = updates.get(instance.getJobKey());
try {
evaluateUpdater(
storeProvider,
update,
summary,
ImmutableMap.of(
instance.getInstanceId(),
getActiveInstance(
storeProvider.getTaskStore(),
instance.getJobKey(),
instance.getInstanceId())));
} catch (UpdateStateException e) {
throw Throwables.propagate(e);
}
}
});
}
private void instanceChanged(final IInstanceKey instance, final Optional<IScheduledTask> state) {
storage.write(
(NoResult.Quiet)
storeProvider -> {
IJobKey job = instance.getJobKey();
UpdateFactory.Update update = updates.get(job);
if (update != null) {
if (update.getUpdater().containsInstance(instance.getInstanceId())) {
LOG.info("Forwarding task change for " + InstanceKeys.toString(instance));
try {
evaluateUpdater(
storeProvider,
update,
getOnlyMatch(storeProvider.getJobUpdateStore(), queryActiveByJob(job)),
ImmutableMap.of(instance.getInstanceId(), state));
} catch (UpdateStateException e) {
throw Throwables.propagate(e);
}
} else {
LOG.info(
"Instance "
+ instance
+ " is not part of active update for "
+ JobKeys.canonicalString(job));
}
}
});
}