seaweedfs/weed/filer/flat_namespace/flat_namespace_filer.go
2018-05-05 02:01:50 -07:00

67 lines
1.8 KiB
Go

package flat_namespace
import (
"errors"
"github.com/chrislusf/seaweedfs/weed/filer"
"path/filepath"
)
type FlatNamespaceFiler struct {
master string
store FlatNamespaceStore
}
var (
ErrNotImplemented = errors.New("Not Implemented for flat namespace meta data store")
)
func NewFlatNamespaceFiler(master string, store FlatNamespaceStore) *FlatNamespaceFiler {
return &FlatNamespaceFiler{
master: master,
store: store,
}
}
func (filer *FlatNamespaceFiler) CreateFile(fullFileName string, fid string) (err error) {
return filer.store.Put(fullFileName, fid)
}
func (filer *FlatNamespaceFiler) FindFile(fullFileName string) (fid string, err error) {
return filer.store.Get(fullFileName)
}
func (filer *FlatNamespaceFiler) LookupDirectoryEntry(dirPath string, name string) (found bool, fileId string, err error) {
if fileId, err = filer.FindFile(filepath.Join(dirPath, name)); err == nil {
return true, fileId, nil
}
return false, "", err
}
func (filer *FlatNamespaceFiler) ListDirectories(dirPath string) (dirs []filer.DirectoryName, err error) {
return nil, ErrNotImplemented
}
func (filer *FlatNamespaceFiler) ListFiles(dirPath string, lastFileName string, limit int) (files []filer.FileEntry, err error) {
return nil, ErrNotImplemented
}
func (filer *FlatNamespaceFiler) DeleteDirectory(dirPath string, recursive bool) (err error) {
return ErrNotImplemented
}
func (filer *FlatNamespaceFiler) DeleteFile(fullFileName string) (fid string, err error) {
fid, err = filer.FindFile(fullFileName)
if err != nil {
return "", err
}
err = filer.store.Delete(fullFileName)
if err != nil {
return "", err
}
return fid, nil
//return filer.store.Delete(fullFileName)
//are you kidding me!!!!
}
func (filer *FlatNamespaceFiler) Move(fromPath string, toPath string) error {
return ErrNotImplemented
}