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From aledsage <>
Subject [GitHub] incubator-brooklyn pull request: fix dto.entries repetition errors...
Date Mon, 03 Nov 2014 15:00:24 GMT
Github user aledsage commented on a diff in the pull request:
    --- Diff: core/src/main/java/brooklyn/catalog/internal/ ---
    @@ -178,4 +182,33 @@ public String toString() {
    +    // temporary fix for issue where entries might not be unique
    +    Iterable<CatalogItemDtoAbstract<?, ?>> getUniqueEntries() {
    +        if (entries==null) return null;
    +        Map<String, CatalogItemDtoAbstract<?, ?>> result = getEntriesMap();
    +        return result.values();
    +    }
    +    private Map<String, CatalogItemDtoAbstract<?, ?>> getEntriesMap() {
    +        if (entries==null) return null;
    --- End diff --
    Personal preference: I'm a big fan of not returning null when an `ImmutableMap.of()` means
the same thing. Same for returning an `ImmutableList.of()` from `getUniqueEntries()`. It saves
null guards all over the place, and NPEs when someone forgets to guard against null.

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