// LoadAllNames loads all names into memory
func LoadAllNames(db *bolt.DB, bucket string) (map[string]nodes.Name, error) {
names := make(map[string]nodes.Name)
ch := make(chan string, runtime.NumCPU())
chDone := make(chan int)
go func() {
for s := range ch {
name, err := nodes.NameFromJSON(s)
checkError(err)
names[name.TaxID] = name
}
chDone <- 1
}()
err := db.View(func(tx *bolt.Tx) error {
b := tx.Bucket([]byte(bucket))
if b == nil {
return fmt.Errorf("database not exists: %s", bucket)
}
b.ForEach(func(k, v []byte) error {
ch <- string(v)
return nil
})
return nil
})
close(ch)
<-chDone
return names, err
}
// QueryNameByTaxID querys Name by taxid
func QueryNameByTaxID(db *bolt.DB, bucket string, taxids []string) ([]nodes.Name, error) {
names := make([]nodes.Name, len(taxids))
if len(taxids) == 0 {
return names, nil
}
err := db.View(func(tx *bolt.Tx) error {
b := tx.Bucket([]byte(bucket))
if b == nil {
return fmt.Errorf("database not exists: %s", bucket)
}
for i, taxid := range taxids {
s := string(b.Get([]byte(taxid)))
if s == "" {
names[i] = nodes.Name{}
continue
}
name, err := nodes.NameFromJSON(s)
checkError(err)
names[i] = name
}
return nil
})
return names, err
}