1use {
2 super::{benchmark::Benchmark, downloader::Downloader},
3 std::path::PathBuf,
4};
5
6pub struct DatasetManager {
7 dir: PathBuf,
8 datasets: Vec<Box<dyn Benchmark + 'static>>,
9}
10
11impl DatasetManager {
12 pub fn new<P: Into<PathBuf>>(dataset_dir: P) -> Self {
13 let path = dataset_dir.into();
14 if !path.exists() {
15 std::fs::create_dir_all(&path).expect("Failed to create dataset directory");
16 }
17 Self {
18 dir: path,
19 datasets: vec![],
20 }
21 }
22
23 pub fn init_dataset(
24 &mut self, dataset: impl Benchmark + 'static,
25 ) -> Result<(), Box<dyn std::error::Error>> {
26 let dl_spec = &dataset.metadata().download_spec;
27 let source = Downloader::download(dl_spec)?;
28 dataset.load(&source, self.dir.as_path())?;
29 Downloader::clean(dl_spec);
30 self.datasets.push(Box::new(dataset));
31 Ok(())
32 }
33}