persist

package
v0.14.3 Latest Latest
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 Go to latest Published: Apr 22, 2020 License: Apache-2.0 Imports: 9 Imported by: 0

Documentation

Overview

Package persist is a generated GoMock package.

Index

Constants

This section is empty.

Variables

This section is empty.

Functions

This section is empty.

Types

type CommitLogFile added in v0.7.0 

type CommitLogFile struct {
	FilePath string
	Index    int64
}

CommitLogFile represents a commit log file and its associated metadata.

type CommitLogFiles added in v0.7.0 

type CommitLogFiles []CommitLogFile

CommitLogFiles represents a slice of commitlog files.

func (CommitLogFiles) Contains added in v0.7.0 

func (c CommitLogFiles) Contains(path string) bool

Contains returns a boolean indicating whether the CommitLogFiles slice contains the provided CommitlogFile based on its path.

type DataCloser 

type DataCloser func() error

DataCloser is a function that performs cleanup after persisting the data blocks for a (shard, blockStart) combination.

type DataFn 

type DataFn func(id ident.ID, tags ident.Tags, segment ts.Segment, checksum uint32) error

DataFn is a function that persists a m3db segment for a given ID.

type DataPrepareOptions 

type DataPrepareOptions struct {
	NamespaceMetadata namespace.Metadata
	BlockStart        time.Time
	Shard             uint32
	// This volume index is only used when preparing for a flush fileset type.
	// When opening a snapshot, the new volume index is determined by looking
	// at what files exist on disk.
	VolumeIndex    int
	FileSetType    FileSetType
	DeleteIfExists bool
	// Snapshot options are applicable to snapshots (index yes, data yes)
	Snapshot DataPrepareSnapshotOptions
}

DataPrepareOptions is the options struct for the DataFlush's Prepare method. nolint: maligned

type DataPrepareSnapshotOptions 

type DataPrepareSnapshotOptions struct {
	SnapshotTime time.Time
	SnapshotID   uuid.UUID
}

DataPrepareSnapshotOptions is the options struct for the Prepare method that contains information specific to read/writing snapshot files.

type FileSetContentType 

type FileSetContentType int

FileSetContentType is an enum that indicates what the contents of files a fileset contains 

const (
	// FileSetDataContentType indicates that the fileset files contents is time series data
	FileSetDataContentType FileSetContentType = iota
	// FileSetIndexContentType indicates that the fileset files contain time series index metadata
	FileSetIndexContentType
)

func (FileSetContentType) String 

func (f FileSetContentType) String() string

type FileSetType 

type FileSetType int

FileSetType is an enum that indicates what type of files a fileset contains 

const (
	// FileSetFlushType indicates that the fileset files contain a complete flush
	FileSetFlushType FileSetType = iota
	// FileSetSnapshotType indicates that the fileset files contain a snapshot
	FileSetSnapshotType
)

func (FileSetType) String 

func (f FileSetType) String() string

type FlushPreparer added in v0.7.0 

type FlushPreparer interface {
	Preparer

	// DoneFlush marks the data flush as complete.
	DoneFlush() error
}

FlushPreparer is a persist flush cycle, each shard and block start permutation needs to explicility be prepared.

type IndexCloser 

type IndexCloser func() ([]segment.Segment, error)

IndexCloser is a function that performs cleanup after persisting the index data block for a (namespace, blockStart) combination and returns the corresponding immutable Segment.

type IndexFlush 

type IndexFlush interface {
	// Prepare prepares writing data for a given ns/blockStart, returning a
	// PreparedIndexPersist object and any error encountered during
	// preparation if any.
	PrepareIndex(opts IndexPrepareOptions) (PreparedIndexPersist, error)

	// DoneIndex marks the index flush as complete.
	DoneIndex() error
}

IndexFlush is a persist flush cycle, each namespace, block combination needs to explicility be prepared.

type IndexFn 

type IndexFn func(segment.Builder) error

IndexFn is a function that persists a m3ninx MutableSegment.

type IndexPrepareOptions 

type IndexPrepareOptions struct {
	NamespaceMetadata namespace.Metadata
	BlockStart        time.Time
	FileSetType       FileSetType
	Shards            map[uint32]struct{}
}

IndexPrepareOptions is the options struct for the IndexFlush's Prepare method. nolint: maligned

type Manager 

type Manager interface {
	// StartFlushPersist begins a data flush for a set of shards.
	StartFlushPersist() (FlushPreparer, error)

	// StartSnapshotPersist begins a snapshot for a set of shards.
	StartSnapshotPersist(snapshotID uuid.UUID) (SnapshotPreparer, error)

	// StartIndexPersist begins a flush for index data.
	StartIndexPersist() (IndexFlush, error)
}

Manager manages the internals of persisting data onto storage layer.

type MockFlushPreparer added in v0.7.0 

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

MockFlushPreparer is a mock of FlushPreparer interface

func NewMockFlushPreparer added in v0.7.0 

func NewMockFlushPreparer(ctrl *gomock.Controller) *MockFlushPreparer

NewMockFlushPreparer creates a new mock instance

func (*MockFlushPreparer) DoneFlush added in v0.7.0 

func (m *MockFlushPreparer) DoneFlush() error

DoneFlush mocks base method

func (*MockFlushPreparer) EXPECT added in v0.7.0 

func (m *MockFlushPreparer) EXPECT() *MockFlushPreparerMockRecorder

EXPECT returns an object that allows the caller to indicate expected use

func (*MockFlushPreparer) PrepareData added in v0.7.0 

func (m *MockFlushPreparer) PrepareData(opts DataPrepareOptions) (PreparedDataPersist, error)

PrepareData mocks base method

type MockFlushPreparerMockRecorder added in v0.7.0 

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

MockFlushPreparerMockRecorder is the mock recorder for MockFlushPreparer

func (*MockFlushPreparerMockRecorder) DoneFlush added in v0.7.0 

func (mr *MockFlushPreparerMockRecorder) DoneFlush() *gomock.Call

DoneFlush indicates an expected call of DoneFlush

func (*MockFlushPreparerMockRecorder) PrepareData added in v0.7.0 

func (mr *MockFlushPreparerMockRecorder) PrepareData(opts interface{}) *gomock.Call

PrepareData indicates an expected call of PrepareData

type MockIndexFlush 

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

MockIndexFlush is a mock of IndexFlush interface

func NewMockIndexFlush 

func NewMockIndexFlush(ctrl *gomock.Controller) *MockIndexFlush

NewMockIndexFlush creates a new mock instance

func (*MockIndexFlush) DoneIndex 

func (m *MockIndexFlush) DoneIndex() error

DoneIndex mocks base method

func (*MockIndexFlush) EXPECT 

func (m *MockIndexFlush) EXPECT() *MockIndexFlushMockRecorder

EXPECT returns an object that allows the caller to indicate expected use

func (*MockIndexFlush) PrepareIndex 

func (m *MockIndexFlush) PrepareIndex(opts IndexPrepareOptions) (PreparedIndexPersist, error)

PrepareIndex mocks base method

type MockIndexFlushMockRecorder 

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

MockIndexFlushMockRecorder is the mock recorder for MockIndexFlush

func (*MockIndexFlushMockRecorder) DoneIndex 

func (mr *MockIndexFlushMockRecorder) DoneIndex() *gomock.Call

DoneIndex indicates an expected call of DoneIndex

func (*MockIndexFlushMockRecorder) PrepareIndex 

func (mr *MockIndexFlushMockRecorder) PrepareIndex(opts interface{}) *gomock.Call

PrepareIndex indicates an expected call of PrepareIndex

type MockManager 

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

MockManager is a mock of Manager interface

func NewMockManager 

func NewMockManager(ctrl *gomock.Controller) *MockManager

NewMockManager creates a new mock instance

func (*MockManager) EXPECT 

func (m *MockManager) EXPECT() *MockManagerMockRecorder

EXPECT returns an object that allows the caller to indicate expected use

func (*MockManager) StartFlushPersist added in v0.7.0 

func (m *MockManager) StartFlushPersist() (FlushPreparer, error)

StartFlushPersist mocks base method

func (*MockManager) StartIndexPersist 

func (m *MockManager) StartIndexPersist() (IndexFlush, error)

StartIndexPersist mocks base method

func (*MockManager) StartSnapshotPersist added in v0.7.0 

func (m *MockManager) StartSnapshotPersist(snapshotID uuid.UUID) (SnapshotPreparer, error)

StartSnapshotPersist mocks base method

type MockManagerMockRecorder 

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

MockManagerMockRecorder is the mock recorder for MockManager

func (*MockManagerMockRecorder) StartFlushPersist added in v0.7.0 

func (mr *MockManagerMockRecorder) StartFlushPersist() *gomock.Call

StartFlushPersist indicates an expected call of StartFlushPersist

func (*MockManagerMockRecorder) StartIndexPersist 

func (mr *MockManagerMockRecorder) StartIndexPersist() *gomock.Call

StartIndexPersist indicates an expected call of StartIndexPersist

func (*MockManagerMockRecorder) StartSnapshotPersist added in v0.7.0 

func (mr *MockManagerMockRecorder) StartSnapshotPersist(snapshotID interface{}) *gomock.Call

StartSnapshotPersist indicates an expected call of StartSnapshotPersist

type MockPreparer added in v0.7.0 

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

MockPreparer is a mock of Preparer interface

func NewMockPreparer added in v0.7.0 

func NewMockPreparer(ctrl *gomock.Controller) *MockPreparer

NewMockPreparer creates a new mock instance

func (*MockPreparer) EXPECT added in v0.7.0 

func (m *MockPreparer) EXPECT() *MockPreparerMockRecorder

EXPECT returns an object that allows the caller to indicate expected use

func (*MockPreparer) PrepareData added in v0.7.0 

func (m *MockPreparer) PrepareData(opts DataPrepareOptions) (PreparedDataPersist, error)

PrepareData mocks base method

type MockPreparerMockRecorder added in v0.7.0 

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

MockPreparerMockRecorder is the mock recorder for MockPreparer

func (*MockPreparerMockRecorder) PrepareData added in v0.7.0 

func (mr *MockPreparerMockRecorder) PrepareData(opts interface{}) *gomock.Call

PrepareData indicates an expected call of PrepareData

type MockSnapshotPreparer added in v0.7.0 

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

MockSnapshotPreparer is a mock of SnapshotPreparer interface

func NewMockSnapshotPreparer added in v0.7.0 

func NewMockSnapshotPreparer(ctrl *gomock.Controller) *MockSnapshotPreparer

NewMockSnapshotPreparer creates a new mock instance

func (*MockSnapshotPreparer) DoneSnapshot added in v0.7.0 

func (m *MockSnapshotPreparer) DoneSnapshot(snapshotUUID uuid.UUID, commitLogIdentifier CommitLogFile) error

DoneSnapshot mocks base method

func (*MockSnapshotPreparer) EXPECT added in v0.7.0 

func (m *MockSnapshotPreparer) EXPECT() *MockSnapshotPreparerMockRecorder

EXPECT returns an object that allows the caller to indicate expected use

func (*MockSnapshotPreparer) PrepareData added in v0.7.0 

func (m *MockSnapshotPreparer) PrepareData(opts DataPrepareOptions) (PreparedDataPersist, error)

PrepareData mocks base method

type MockSnapshotPreparerMockRecorder added in v0.7.0 

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

MockSnapshotPreparerMockRecorder is the mock recorder for MockSnapshotPreparer

func (*MockSnapshotPreparerMockRecorder) DoneSnapshot added in v0.7.0 

func (mr *MockSnapshotPreparerMockRecorder) DoneSnapshot(snapshotUUID, commitLogIdentifier interface{}) *gomock.Call

DoneSnapshot indicates an expected call of DoneSnapshot

func (*MockSnapshotPreparerMockRecorder) PrepareData added in v0.7.0 

func (mr *MockSnapshotPreparerMockRecorder) PrepareData(opts interface{}) *gomock.Call

PrepareData indicates an expected call of PrepareData

type PreparedDataPersist 

type PreparedDataPersist struct {
	Persist DataFn
	Close   DataCloser
}

PreparedDataPersist is an object that wraps holds a persist function and a closer.

type PreparedIndexPersist 

type PreparedIndexPersist struct {
	Persist IndexFn
	Close   IndexCloser
}

PreparedIndexPersist is an object that wraps holds a persist function and a closer.

type Preparer added in v0.7.0 

type Preparer interface {
	// Prepare prepares writing data for a given (shard, blockStart) combination,
	// returning a PreparedDataPersist object and any error encountered during
	// preparation if any.
	PrepareData(opts DataPrepareOptions) (PreparedDataPersist, error)
}

Preparer can generate a PreparedDataPersist object for writing data for a given (shard, blockstart) combination.

type SnapshotPreparer added in v0.7.0 

type SnapshotPreparer interface {
	Preparer

	// DoneSnapshot marks the snapshot as complete.
	DoneSnapshot(snapshotUUID uuid.UUID, commitLogIdentifier CommitLogFile) error
}

SnapshotPreparer is a persist snapshot cycle, each shard and block start permutation needs to explicility be prepared.

Source Files

View all Source files

Directories

Path Synopsis
fs
Package fs is a generated GoMock package.
 Package fs is a generated GoMock package.
clone
commitlog
Package commitlog is a generated GoMock package.
 Package commitlog is a generated GoMock package.
msgpack

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