1 files changed, 0 insertions, 132 deletions
diff --git a/weed/filer2/memdb/memdb_store.go b/weed/filer2/memdb/memdb_store.go
deleted file mode 100644
index 9c10a5472..000000000
--- a/weed/filer2/memdb/memdb_store.go
+++ /dev/null
@@ -1,132 +0,0 @@
-package memdb
-
-import (
-	"context"
-	"fmt"
-	"github.com/chrislusf/seaweedfs/weed/filer2"
-	"github.com/chrislusf/seaweedfs/weed/util"
-	"github.com/google/btree"
-	"strings"
-	"sync"
-)
-
-func init() {
-	filer2.Stores = append(filer2.Stores, &MemDbStore{})
-}
-
-type MemDbStore struct {
-	tree     *btree.BTree
-	treeLock sync.Mutex
-}
-
-type entryItem struct {
-	*filer2.Entry
-}
-
-func (a entryItem) Less(b btree.Item) bool {
-	return strings.Compare(string(a.FullPath), string(b.(entryItem).FullPath)) < 0
-}
-
-func (store *MemDbStore) GetName() string {
-	return "memory"
-}
-
-func (store *MemDbStore) Initialize(configuration util.Configuration) (err error) {
-	store.tree = btree.New(8)
-	return nil
-}
-
-func (store *MemDbStore) BeginTransaction(ctx context.Context) (context.Context, error) {
-	return ctx, nil
-}
-func (store *MemDbStore) CommitTransaction(ctx context.Context) error {
-	return nil
-}
-func (store *MemDbStore) RollbackTransaction(ctx context.Context) error {
-	return nil
-}
-
-func (store *MemDbStore) InsertEntry(ctx context.Context, entry *filer2.Entry) (err error) {
-	// println("inserting", entry.FullPath)
-	store.treeLock.Lock()
-	store.tree.ReplaceOrInsert(entryItem{entry})
-	store.treeLock.Unlock()
-	return nil
-}
-
-func (store *MemDbStore) UpdateEntry(ctx context.Context, entry *filer2.Entry) (err error) {
-	if _, err = store.FindEntry(ctx, entry.FullPath); err != nil {
-		return fmt.Errorf("no such file %s : %v", entry.FullPath, err)
-	}
-	store.treeLock.Lock()
-	store.tree.ReplaceOrInsert(entryItem{entry})
-	store.treeLock.Unlock()
-	return nil
-}
-
-func (store *MemDbStore) FindEntry(ctx context.Context, fullpath filer2.FullPath) (entry *filer2.Entry, err error) {
-	item := store.tree.Get(entryItem{&filer2.Entry{FullPath: fullpath}})
-	if item == nil {
-		return nil, filer2.ErrNotFound
-	}
-	entry = item.(entryItem).Entry
-	return entry, nil
-}
-
-func (store *MemDbStore) DeleteEntry(ctx context.Context, fullpath filer2.FullPath) (err error) {
-	store.treeLock.Lock()
-	store.tree.Delete(entryItem{&filer2.Entry{FullPath: fullpath}})
-	store.treeLock.Unlock()
-	return nil
-}
-
-func (store *MemDbStore) ListDirectoryEntries(ctx context.Context, fullpath filer2.FullPath, startFileName string, inclusive bool, limit int) (entries []*filer2.Entry, err error) {
-
-	startFrom := string(fullpath)
-	if startFileName != "" {
-		startFrom = startFrom + "/" + startFileName
-	}
-
-	store.tree.AscendGreaterOrEqual(entryItem{&filer2.Entry{FullPath: filer2.FullPath(startFrom)}},
-		func(item btree.Item) bool {
-			if limit <= 0 {
-				return false
-			}
-			entry := item.(entryItem).Entry
-			// println("checking", entry.FullPath)
-
-			if entry.FullPath == fullpath {
-				// skipping the current directory
-				// println("skipping the folder", entry.FullPath)
-				return true
-			}
-
-			dir, name := entry.FullPath.DirAndName()
-			if name == startFileName {
-				if inclusive {
-					limit--
-					entries = append(entries, entry)
-				}
-				return true
-			}
-
-			// only iterate the same prefix
-			if !strings.HasPrefix(string(entry.FullPath), string(fullpath)) {
-				// println("breaking from", entry.FullPath)
-				return false
-			}
-
-			if dir != string(fullpath) {
-				// this could be items in deeper directories
-				// println("skipping deeper folder", entry.FullPath)
-				return true
-			}
-			// now process the directory items
-			// println("adding entry", entry.FullPath)
-			limit--
-			entries = append(entries, entry)
-			return true
-		},
-	)
-	return entries, nil
-}