algairim commented on a change in pull request #1297: URL: https://github.com/apache/brooklyn-server/pull/1297#discussion_r800511537
########## File path: utils/common/src/main/java/org/apache/brooklyn/util/collections/CollectionFunctionals.java ########## @@ -119,6 +115,35 @@ public T apply(Iterable<? extends T> input) { @Override public String toString() { return "firstElementFunction"; } } + public static class AllEqualsFunction implements Function<Iterable<?>, Comparable<?>> { + private final Comparable<?> value; + + public AllEqualsFunction(Comparable<?> value) { + if (Objects.isNull(value)) { + throw new IllegalArgumentException("The value to compare all to must be defined"); + } + this.value = value; + } + + @Override + public Boolean apply(@Nullable Iterable<?> input) { + if (Objects.isNull(input) || Iterables.isEmpty(input)) return null; Review comment: This should address your doubt @jcabrerizo -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: dev-unsubscr...@brooklyn.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org