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v0.0.0-...-d40ae05 Latest Latest Go to latest Published: Oct 22, 2017 License: MIT Imports: 8 Imported by: 0

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Repository

github.com/maxymania/gobase

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Documentation ¶

Index ¶

Variables
type ECommitError
- func (e *ECommitError) Error() string
type InplaceWAL_File
- func NewInplaceWAL_File(w ReaderAtWriterAt, max int64) *InplaceWAL_File
type JournalDataManager
- func NewJournalDataManager(f file.File, w WAL_Target) (*JournalDataManager, error)
type JournalFile
- func OpenJournalFile(f file.File, w WAL_Target) (*JournalFile, error)
type OffsetFile
type ReaderAtWriterAt
type WAL_Target
type WAL_Target_Ex

Constants ¶

This section is empty.

Variables ¶

View Source

var ENOSPACE = errors.New("ENOSPACE")

Functions ¶

This section is empty.

Types ¶

type ECommitError ¶

type ECommitError struct{ Inner error }

func (*ECommitError) Error ¶

func (e *ECommitError) Error() string

type InplaceWAL_File ¶

type InplaceWAL_File struct {
	// contains filtered or unexported fields
}

func NewInplaceWAL_File ¶

func NewInplaceWAL_File(w ReaderAtWriterAt, max int64) *InplaceWAL_File

func (*InplaceWAL_File) Read ¶

func (i *InplaceWAL_File) Read(b []byte) (n int, e error)

func (*InplaceWAL_File) Seek ¶

func (i *InplaceWAL_File) Seek(offset int64, whence int) (int64, error)

func (*InplaceWAL_File) SetHoldSize ¶

func (i *InplaceWAL_File) SetHoldSize(on bool) error

func (*InplaceWAL_File) Truncate ¶

func (i *InplaceWAL_File) Truncate(size int64) error

func (*InplaceWAL_File) Write ¶

func (i *InplaceWAL_File) Write(b []byte) (n int, e error)

type JournalDataManager ¶

type JournalDataManager struct {
	// contains filtered or unexported fields
}

func NewJournalDataManager ¶

func NewJournalDataManager(f file.File, w WAL_Target) (*JournalDataManager, error)

func (*JournalDataManager) Alloc ¶

func (j *JournalDataManager) Alloc(size int64) (int64, error)

func (*JournalDataManager) Close ¶

func (j *JournalDataManager) Close() error

func (*JournalDataManager) Commit ¶

func (j *JournalDataManager) Commit() error

func (*JournalDataManager) DirectFile ¶

func (j *JournalDataManager) DirectFile() file.File

func (*JournalDataManager) Free ¶

func (j *JournalDataManager) Free(off int64) error

func (*JournalDataManager) GetWalSize ¶

func (j *JournalDataManager) GetWalSize() int64

func (*JournalDataManager) RollbackFile ¶

func (j *JournalDataManager) RollbackFile() file.File

func (*JournalDataManager) UsableSize ¶

func (j *JournalDataManager) UsableSize(off int64) (int64, error)

type JournalFile ¶

type JournalFile struct {
	file.File
	// contains filtered or unexported fields
}

A file-Wrapper that features Write ahead logging.

func OpenJournalFile ¶

func OpenJournalFile(f file.File, w WAL_Target) (*JournalFile, error)

func (*JournalFile) Commit ¶

func (j *JournalFile) Commit(rws WAL_Target) error

func (*JournalFile) GetWalSize ¶

func (j *JournalFile) GetWalSize() int64

Get the estiminated size of the Write-Ahead log in bytes.

func (*JournalFile) ReadAt ¶

func (j *JournalFile) ReadAt(p []byte, off int64) (n int, err error)

func (*JournalFile) Stat ¶

func (j *JournalFile) Stat() (os.FileInfo, error)

func (*JournalFile) String ¶

func (j *JournalFile) String() string

func (*JournalFile) Truncate ¶

func (j *JournalFile) Truncate(i int64) error

func (*JournalFile) WriteAt ¶

func (j *JournalFile) WriteAt(p []byte, off int64) (n int, err error)

type OffsetFile ¶

type OffsetFile struct {
	file.File
	Offset int64
}

func (*OffsetFile) ReadAt ¶

func (o *OffsetFile) ReadAt(p []byte, off int64) (n int, err error)

func (*OffsetFile) Stat ¶

func (o *OffsetFile) Stat() (os.FileInfo, error)

func (*OffsetFile) Truncate ¶

func (o *OffsetFile) Truncate(i int64) error

func (*OffsetFile) WriteAt ¶

func (o *OffsetFile) WriteAt(p []byte, off int64) (n int, err error)

type ReaderAtWriterAt ¶

type ReaderAtWriterAt interface {
	io.ReaderAt
	io.WriterAt
}

type WAL_Target ¶

type WAL_Target interface {
	io.ReadWriteSeeker
	Truncate(int64) error
}

type WAL_Target_Ex ¶

type WAL_Target_Ex interface {
	WAL_Target
	SetHoldSize(on bool) error
}

Source Files ¶

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