@Override
public PagedIterable<T> apply(ListPage<T> input) {
if (input.nextMarker() == null) return PagedIterables.of(input);
Optional<Object> project =
tryFind(request.getCaller().get().getArgs(), instanceOf(String.class));
Optional<Object> listOptions =
tryFind(request.getInvocation().getArgs(), instanceOf(ListOptions.class));
assert project.isPresent()
: String.format(
"programming error, method %s should have a string param for the " + "project",
request.getCaller().get().getInvokable());
return PagedIterables.advance(
input,
fetchNextPage(
project.get().toString(),
(String) input.nextMarker().orNull(),
(ListOptions) listOptions.orNull()));
}
/**
* List metrics based on the criteria in the {@link ListMetricsOptions} passed in.
*
* @param metricApi the {@link MetricApi} to use for the request
* @param options the {@link ListMetricsOptions} describing the ListMetrics request
* @return iterable of metrics fitting the criteria
*/
public static Iterable<Metric> listMetrics(
final MetricApi metricApi, final ListMetricsOptions options) {
return Iterables.concat(
PagedIterables.advance(
metricApi.list(options),
new Function<Object, IterableWithMarker<Metric>>() {
@Override
public IterableWithMarker<Metric> apply(Object input) {
return metricApi.list(options.clone().afterMarker(input));
}
@Override
public String toString() {
return "listMetrics(" + options + ")";
}
}));
}