public static Map<String, Key> getKeyInstances(final EvaluationConstraint constraint) {
return Maps.transformValues(
Maps.filterValues(
KEY_MAP,
CollectionUtils.propertyContainsPredicate(
constraint,
Functions.compose(
PolicyKeyToEvaluationConstraints.INSTANCE, KeyClassToPolicyKey.INSTANCE))),
KeyClassToKeyInstance.INSTANCE);
}
@Override
public int registrationFailure(
final AutoScalingGroupMetadata group, final Collection<String> instanceIds)
throws AutoScalingMetadataException {
final AutoScalingInstance example = exampleForGroup(group);
final Map<String, Integer> failureCountMap = Maps.newHashMap();
updateInstances(
example,
Predicates.alwaysTrue(),
new Predicate<AutoScalingInstance>() {
@Override
public boolean apply(final AutoScalingInstance instance) {
failureCountMap.put(instance.getInstanceId(), instance.incrementRegistrationAttempts());
return true;
}
},
instanceIds);
return CollectionUtils.reduce(
failureCountMap.values(), Integer.MAX_VALUE, CollectionUtils.min());
}