// Query implements Datastore.Query
func (d *Datastore) Query(q query.Query) (query.Results, error) {
results := make(chan query.Result)
walkFn := func(path string, info os.FileInfo, err error) error {
// remove ds path prefix
if strings.HasPrefix(path, d.path) {
path = path[len(d.path):]
}
if !info.IsDir() {
if strings.HasSuffix(path, ObjectKeySuffix) {
path = path[:len(path)-len(ObjectKeySuffix)]
}
key := ds.NewKey(path)
entry := query.Entry{Key: key.String(), Value: query.NotFetched}
results <- query.Result{Entry: entry}
}
return nil
}
go func() {
filepath.Walk(d.path, walkFn)
close(results)
}()
r := query.ResultsWithChan(q, results)
r = query.NaiveQueryApply(q, r)
return r, nil
}
// Query implements Datastore.Query
func (d *MapDatastore) Query(q dsq.Query) (dsq.Results, error) {
re := make([]dsq.Entry, 0, len(d.values))
for k, v := range d.values {
re = append(re, dsq.Entry{Key: k.String(), Value: v})
}
r := dsq.ResultsWithEntries(q, re)
r = dsq.NaiveQueryApply(q, r)
return r, nil
}