jsonfileprovider

package
v1.7.0 Latest Latest
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 Go to latest Published: Feb 25, 2024 License: MIT Imports: 18 Imported by: 0

Documentation

Index

Constants

View Source 
const EOLChar = '\n'
View Source 
const STREAM_WRITER_FILE_STATE_CLOSED = 2
View Source 
const STREAM_WRITER_FILE_STATE_NONE = 0
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const STREAM_WRITER_FILE_STATE_OPENED = 1

Variables

This section is empty.

Functions

func GetStreamCatalogFilepath 

func GetStreamCatalogFilepath(dataDirectory string) string

func NewStorageProvider 

func NewStorageProvider(logger *zap.Logger, conf *config.Config) (storageprovider.IStorageProvider, error)

Types

type FileStorage 

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

func (*FileStorage) BuildIndex 

func (s *FileStorage) BuildIndex(streamUUID types.StreamUUID) (interface{}, error)

func (*FileStorage) CreateDataDirectory 

func (s *FileStorage) CreateDataDirectory() error

func (*FileStorage) CreateStreamDirectory 

func (s *FileStorage) CreateStreamDirectory(streamUUID types.StreamUUID) error

func (*FileStorage) CreateStreamsDirectory 

func (s *FileStorage) CreateStreamsDirectory() error

func (*FileStorage) DeleteStream 

func (s *FileStorage) DeleteStream(streamUUID types.StreamUUID) error

func (*FileStorage) GenerateNewStreamUuid 

func (s *FileStorage) GenerateNewStreamUuid() types.StreamUUID

func (*FileStorage) GetDataDirectory 

func (s *FileStorage) GetDataDirectory() string

func (*FileStorage) GetMetaDataFilePath 

func (s *FileStorage) GetMetaDataFilePath(streamUUID types.StreamUUID) string

func (*FileStorage) GetStreamDataFilePath 

func (s *FileStorage) GetStreamDataFilePath(streamUUID types.StreamUUID) string

func (*FileStorage) GetStreamDirectoryPath 

func (s *FileStorage) GetStreamDirectoryPath(streamUUID types.StreamUUID) string

func (*FileStorage) GetStreamIndexFilePath 

func (s *FileStorage) GetStreamIndexFilePath(streamUUID types.StreamUUID) string

func (*FileStorage) GetStreamsDirectoryPath 

func (s *FileStorage) GetStreamsDirectoryPath() string

func (*FileStorage) Init 

func (s *FileStorage) Init() error

func (*FileStorage) LoadStreamFromUUID 

func (s *FileStorage) LoadStreamFromUUID(streamUUID types.StreamUUID) (*types.StreamInfo, error)

func (*FileStorage) LoadStreams 

func (s *FileStorage) LoadStreams() (types.StreamInfoList, error)

func (*FileStorage) LoadStreamsFromUUIDs 

func (s *FileStorage) LoadStreamsFromUUIDs(streamUUIDs types.StreamUUIDList) (types.StreamInfoList, error)

func (*FileStorage) NewStreamIteratorHandler 

func (s *FileStorage) NewStreamIteratorHandler(streamUUID types.StreamUUID, iteratorUUID types.StreamIteratorUUID) (types.IStreamIteratorHandler, error)

func (*FileStorage) NewStreamWriter 

func (s *FileStorage) NewStreamWriter(info *types.StreamInfo) (buffering.IStreamWriter, error)

func (*FileStorage) OnCreateStream 

func (s *FileStorage) OnCreateStream(info *types.StreamInfo) error

func (*FileStorage) SaveStreamCatalog 

func (s *FileStorage) SaveStreamCatalog(streamUUIDs types.StreamUUIDList) error

func (*FileStorage) Stop 

func (s *FileStorage) Stop() error

func (*FileStorage) StreamExists 

func (s *FileStorage) StreamExists(streamUUID types.StreamUUID) bool

type MsgOffset 

type MsgOffset = int64

type StreamCatalogFile 

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

func NewStreamCatalogFile 

func NewStreamCatalogFile(logger *zap.Logger, filepath string) *StreamCatalogFile

func (*StreamCatalogFile) CatalogFileExists 

func (s *StreamCatalogFile) CatalogFileExists() bool

func (*StreamCatalogFile) CreateEmptyCatalogFile 

func (s *StreamCatalogFile) CreateEmptyCatalogFile() error

func (*StreamCatalogFile) EnsureCatalogFileExists 

func (s *StreamCatalogFile) EnsureCatalogFileExists() error

func (*StreamCatalogFile) Init 

func (s *StreamCatalogFile) Init() error

func (*StreamCatalogFile) LoadStreamCatalog 

func (s *StreamCatalogFile) LoadStreamCatalog() (types.StreamUUIDList, error)

func (*StreamCatalogFile) SaveStreamCatalog 

func (s *StreamCatalogFile) SaveStreamCatalog(streamUUIDs types.StreamUUIDList) error

func (*StreamCatalogFile) Stop 

func (s *StreamCatalogFile) Stop() error

type StreamIndexFile 

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

func NewStreamIndex 

func NewStreamIndex(streamUUID uuid.UUID, filename string, logger *zap.Logger) *StreamIndexFile

func (*StreamIndexFile) BuildIndex 

func (idx *StreamIndexFile) BuildIndex(dataFilePath string) (*StreamIndexStats, error)

func (*StreamIndexFile) Close 

func (idx *StreamIndexFile) Close() error

func (*StreamIndexFile) GetOffsetAfterLastMessage 

func (idx *StreamIndexFile) GetOffsetAfterLastMessage() (MessageId, MsgOffset, error)

func (*StreamIndexFile) GetOffsetAfterMessageId 

func (idx *StreamIndexFile) GetOffsetAfterMessageId(messageId MessageId) (MessageId, MsgOffset, error)

func (*StreamIndexFile) GetOffsetAtMessageId 

func (idx *StreamIndexFile) GetOffsetAtMessageId(messageId MessageId) (MessageId, MsgOffset, error)

func (*StreamIndexFile) GetOffsetAtTimestamp 

func (idx *StreamIndexFile) GetOffsetAtTimestamp(timestamp *time.Time) (MessageId, MsgOffset, error)

func (*StreamIndexFile) GetOffsetFirstMessage 

func (idx *StreamIndexFile) GetOffsetFirstMessage() (MessageId, MsgOffset, error)

func (*StreamIndexFile) GetOffsetLastMessage 

func (idx *StreamIndexFile) GetOffsetLastMessage() (MessageId, MsgOffset, error)

func (*StreamIndexFile) Log 

func (idx *StreamIndexFile) Log()

type StreamIndexStats 

type StreamIndexStats struct {
	CptMessages       int64
	FileSize          int64
	FirstMsgId        MessageId
	LastMsgId         MessageId
	FirstMsgTimestamp time.Time
	LastMsgTimestamp  time.Time
}

type StreamIteratorHandlerFile 

type StreamIteratorHandlerFile struct {
	FileOffset int64
	// contains filtered or unexported fields
}

func NewStreamIteratorHandlerFile 

func NewStreamIteratorHandlerFile(streamUUID types.StreamUUID, iteratorUUID types.StreamIteratorUUID, filename string, idx *StreamIndexFile, logger *zap.Logger) *StreamIteratorHandlerFile

func (*StreamIteratorHandlerFile) Close 

func (h *StreamIteratorHandlerFile) Close() error

func (*StreamIteratorHandlerFile) GetNextRecord 

func (h *StreamIteratorHandlerFile) GetNextRecord() (types.MessageId, interface{}, bool, bool, error)

func (*StreamIteratorHandlerFile) Open 

func (h *StreamIteratorHandlerFile) Open() error

func (*StreamIteratorHandlerFile) SaveSeek 

func (h *StreamIteratorHandlerFile) SaveSeek() error

func (*StreamIteratorHandlerFile) Seek 

func (h *StreamIteratorHandlerFile) Seek(request *types.StreamIteratorRequest) error

type StreamWriterFile 

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

func NewStreamWriterFile 

func NewStreamWriterFile(info *types.StreamInfo, fileDataPath string, fileIndexPath string, fileMetaInfoPath string, logger *zap.Logger, logVerbosity int) *StreamWriterFile

func (*StreamWriterFile) Close 

func (w *StreamWriterFile) Close() error

func (*StreamWriterFile) Init 

func (w *StreamWriterFile) Init() error

func (*StreamWriterFile) Open 

func (w *StreamWriterFile) Open() error

func (*StreamWriterFile) SaveFileMetaInfo 

func (w *StreamWriterFile) SaveFileMetaInfo() error

func (*StreamWriterFile) Write 

func (w *StreamWriterFile) Write(records *[]types.DeferedStreamRecord) error

Source Files

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