Example #1
0
// BuildDataFetcher returns a data fetcher that fetches data from remote servers.
func BuildDataFetcher(arv arvadosclient.ArvadosClient) summary.DataFetcher {
	return func(
		arvLogger *logger.Logger,
		readCollections *collection.ReadCollections,
		keepServerInfo *keep.ReadServers,
	) error {
		collDone := make(chan struct{})
		var collErr error
		go func() {
			*readCollections, collErr = collection.GetCollectionsAndSummarize(
				collection.GetCollectionsParams{
					Client:    arv,
					Logger:    arvLogger,
					BatchSize: collectionBatchSize})
			collDone <- struct{}{}
		}()

		var keepErr error
		*keepServerInfo, keepErr = keep.GetKeepServersAndSummarize(
			keep.GetKeepServersParams{
				Client: arv,
				Logger: arvLogger,
				Limit:  1000})

		<-collDone

		// Return a nil error only if both parts succeeded.
		if collErr != nil {
			return collErr
		}
		return keepErr
	}
}
Example #2
0
// Returns a data fetcher that fetches data from remote servers.
func BuildDataFetcher(arv arvadosclient.ArvadosClient) summary.DataFetcher {
	return func(arvLogger *logger.Logger,
		readCollections *collection.ReadCollections,
		keepServerInfo *keep.ReadServers) {
		collectionChannel := make(chan collection.ReadCollections)

		go func() {
			collectionChannel <- collection.GetCollectionsAndSummarize(
				collection.GetCollectionsParams{
					Client:    arv,
					Logger:    arvLogger,
					BatchSize: 50})
		}()

		*keepServerInfo = keep.GetKeepServersAndSummarize(
			keep.GetKeepServersParams{
				Client: arv,
				Logger: arvLogger,
				Limit:  1000})

		*readCollections = <-collectionChannel
	}
}