public static Predicate<Node> from(String applicationIds) {
        return makePredicate(StringUtilities.split(applicationIds).stream()
                .map(ApplicationId::fromFullString)
                .collect(Collectors.toUnmodifiableSet()));
    }
Creates a node filter which filters using the given host filter
node-repository/src/main/java/com/yahoo/vespa/hosted/provision/node/filter/ApplicationFilter.java