Why Go
- Case Studies
  
  Common problems companies solve with Go
- Use Cases
  
  Stories about how and why companies use Go
- Security
  
  How Go can help keep you secure by default
Learn
Docs
- Effective Go
  
  Tips for writing clear, performant, and idiomatic Go code
- Go User Manual
  
  A complete introduction to building software with Go
- Standard library
  
  Reference documentation for Go's standard library
- Release Notes
  
  Learn what's new in each Go release
- API
  
  Reference documentation for the pkg.go.dev API
Packages
Community
- Recorded Talks
  
  Videos from prior events
- Meetups
  
  Meet other local Go developers
- Conferences
  
  Learn and network with Go developers from around the world
- Go blog
  
  The Go project's official blog.
- Go project
  
  Get help and stay informed from Go
- Get connected

mapstore

package module

Go to main page

Versions in this module

v0

v0.4.3

Sep 9, 2026

v0.4.2

Aug 20, 2026

v0.4.1

Aug 19, 2026

v0.4.0

Aug 19, 2026

v0.3.5

Jul 9, 2026

v0.3.4

Jun 11, 2026

v0.3.3

May 29, 2026

v0.3.2

May 21, 2026

v0.3.1

May 12, 2026

v0.3.0

May 6, 2026

v0.2.1

Apr 20, 2026

v0.2.0

Apr 6, 2026

Changes in this version

+ const SortOrderAscending

+ const SortOrderDescending

+ var ErrFileConflict = errors.New("concurrent modification detected for a file")

+ type DirOption func(*MapDirectoryStore)

+ func WithDirFileListeners(ls ...FileListener) DirOption

+ func WithDirLogger(logger *slog.Logger) DirOption

+ func WithDirPageSize(size int) DirOption

+ type FileEntry struct

+ BaseRelativePath string

+ FileInfo os.FileInfo

+ PartitionName string

+ type FileEvent struct

+ Data map[string]any

+ File string

+ Keys []string

+ NewValue any

+ OldValue any

+ Op Operation

+ Timestamp time.Time

+ type FileKey struct

+ FileName string

+ XAttr any

+ type FileKeyEncDecGetter func(pathSoFar []string) StringEncoderDecoder

+ type FileListener func(FileEvent)

+ type FileOption func(*MapFileStore)

+ func WithCreateIfNotExists(createIfNotExists bool) FileOption

+ func WithFileAutoFlush(autoFlush bool) FileOption

+ func WithFileEncoderDecoder(encoder IOEncoderDecoder) FileOption

+ func WithFileListeners(ls ...FileListener) FileOption

+ func WithFileLogger(logger *slog.Logger) FileOption

+ func WithKeyEncDecGetter(getter FileKeyEncDecGetter) FileOption

+ func WithValueEncDecGetter(valueEncDecGetter FileValueEncDecGetter) FileOption

+ type FileValueEncDecGetter func(pathSoFar []string) IOEncoderDecoder

+ type IOEncoderDecoder interface

+ Decode func(r io.Reader, value any) error

+ Encode func(w io.Writer, value any) error

+ type ListingConfig struct

+ FilenamePrefix string

+ FilterPartitions []string

+ PageSize int

+ SortOrder string

+ type MapDirectoryStore struct

+ func NewMapDirectoryStore(baseDir string, createIfNotExists bool, partitionProvider PartitionProvider, ...) (*MapDirectoryStore, error)

+ func (mds *MapDirectoryStore) CloseAll() error

+ func (mds *MapDirectoryStore) CloseFile(fileKey FileKey) error

+ func (mds *MapDirectoryStore) DeleteFile(fileKey FileKey) error

+ func (mds *MapDirectoryStore) GetFileData(fileKey FileKey, forceFetch bool) (map[string]any, error)

+ func (mds *MapDirectoryStore) ListFiles(config ListingConfig, pageToken string) (fileEntries []FileEntry, nextPageToken string, err error)

+ func (mds *MapDirectoryStore) ListPartitions(baseDir, sortOrder, pageToken string, pageSize int) (partitions []string, nextPageToken string, err error)

+ func (mds *MapDirectoryStore) OpenFile(fileKey FileKey, createIfNotExists bool, defaultData map[string]any) (*MapFileStore, error)

+ func (mds *MapDirectoryStore) SetFileData(fileKey FileKey, data map[string]any) error

+ type MapFileStore struct

+ func NewMapFileStore(filename string, defaultData map[string]any, ...) (*MapFileStore, error)

+ func (store *MapFileStore) Close() error

+ func (store *MapFileStore) DeleteFile() error

+ func (store *MapFileStore) DeleteKey(keys []string) error

+ func (store *MapFileStore) Flush() error

+ func (store *MapFileStore) GetAll(forceFetch bool) (map[string]any, error)

+ func (store *MapFileStore) GetKey(keys []string) (any, error)

+ func (store *MapFileStore) Reset() error

+ func (store *MapFileStore) SetAll(data map[string]any) error

+ func (store *MapFileStore) SetKey(keys []string, value any) error

+ type Operation string

+ const OpDeleteFile

+ const OpDeleteKey

+ const OpResetFile

+ const OpSetFile

+ const OpSetKey

+ type PartitionProvider interface

+ GetPartitionDir func(key FileKey) (string, error)

+ ListPartitions func(baseDir, sortOrder, pageToken string, pageSize int) (partitions []string, nextPageToken string, err error)

+ type StringEncoderDecoder interface

+ Decode func(encoded string) (string, error)

+ Encode func(plain string) string