package filer import ( "context" "errors" "github.com/chrislusf/seaweedfs/weed/util" ) var ( ErrUnsupportedListDirectoryPrefixed = errors.New("unsupported directory prefix listing") ErrUnsupportedSuperLargeDirectoryListing = errors.New("unsupported super large directory listing") ErrKvNotImplemented = errors.New("kv not implemented yet") ErrKvNotFound = errors.New("kv: not found") ) type FilerStore interface { // GetName gets the name to locate the configuration in filer.toml file GetName() string // Initialize initializes the file store Initialize(configuration util.Configuration, prefix string) error InsertEntry(context.Context, *Entry) error UpdateEntry(context.Context, *Entry) (err error) // err == filer_pb.ErrNotFound if not found FindEntry(context.Context, util.FullPath) (entry *Entry, err error) DeleteEntry(context.Context, util.FullPath) (err error) DeleteFolderChildren(context.Context, util.FullPath) (err error) ListDirectoryEntries(ctx context.Context, dirPath util.FullPath, startFileName string, includeStartFile bool, limit int) ([]*Entry, error) ListDirectoryPrefixedEntries(ctx context.Context, dirPath util.FullPath, startFileName string, includeStartFile bool, limit int, prefix string) ([]*Entry, error) BeginTransaction(ctx context.Context) (context.Context, error) CommitTransaction(ctx context.Context) error RollbackTransaction(ctx context.Context) error KvPut(ctx context.Context, key []byte, value []byte) (err error) KvGet(ctx context.Context, key []byte) (value []byte, err error) KvDelete(ctx context.Context, key []byte) (err error) Shutdown() }