> - public Iterable<Instance> listNodes() {
> - return api.getInstanceApiForProject(userProject.get()).list().concat();
> + public Iterable<InstanceInZone> listNodes() {
> + return
> FluentIterable.from(zones.get().values()).transformAndConcat(new
> Function<Location, ImmutableSet<InstanceInZone>>() {
> + @Override
> + public ImmutableSet<InstanceInZone> apply(final Location input) {
> + return
> api.getInstanceApiForProject(userProject.get()).listInZone(input.getId()).concat()
> + .transform(new Function<Instance, InstanceInZone>() {
> +
> + @Override
> + public InstanceInZone apply(Instance arg0) {
> + return new InstanceInZone(arg0, input.getId());
> + }
> + }).toSet();
> + }
> + }).toSet();
Again, https://code.google.com/p/guava-libraries/wiki/FunctionalExplained?
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