func (b *Blueflood) FetchMultipleTimeseries(request api.FetchMultipleTimeseriesRequest) (api.SeriesList, error) {
defer request.Profiler.Record("Blueflood FetchMultipleTimeseries")()
if request.Cancellable == nil {
panic("The cancellable component of a FetchMultipleTimeseriesRequest cannot be nil")
}
works := make([]func() (api.Timeseries, error), len(request.Metrics))
singleRequests := request.ToSingle()
for i := range singleRequests {
//Make sure we close around the specific individual request
//and not the ranged/copied request.
singleRequest := singleRequests[i]
works[i] = func() (api.Timeseries, error) {
return b.FetchSingleTimeseries(singleRequest)
}
}
resultSeries, err := b.fetchManyLazy(request.Cancellable, works)
if err != nil {
return api.SeriesList{}, err
}
return api.SeriesList{
Series: resultSeries,
Timerange: request.Timerange,
}, nil
}
func (b movingAverageBackend) FetchMultipleTimeseries(r api.FetchMultipleTimeseriesRequest) (api.SeriesList, error) {
timeseries := make([]api.Timeseries, 0)
singleRequests := r.ToSingle()
for _, request := range singleRequests {
series, _ := b.FetchSingleTimeseries(request)
timeseries = append(timeseries, series)
}
return api.SeriesList{
Series: timeseries,
}, nil
}
func (f FakeTimeseriesStorageAPI) FetchMultipleTimeseries(request api.FetchMultipleTimeseriesRequest) (api.SeriesList, error) {
defer request.Profiler.Record("Mock FetchMultipleTimeseries")()
timeseries := make([]api.Timeseries, 0)
singleRequests := request.ToSingle()
for _, singleRequest := range singleRequests {
series, err := f.FetchSingleTimeseries(singleRequest)
if err != nil {
continue
}
timeseries = append(timeseries, series)
}
return api.SeriesList{
Series: timeseries,
Timerange: request.Timerange,
}, nil
}