pin

package
v0.3.11-rc1 Latest Latest
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 Go to latest Published: Jan 2, 2016 License: MIT Imports: 11 Imported by: 0

Documentation

Overview

package pin implemnts structures and methods to keep track of which objects a user wants to keep stored locally.

Index

Constants

This section is empty.

Variables

This section is empty.

Functions

func NewIndirectPin 

func NewIndirectPin(dstore ds.Datastore) *indirectPin

Types

type ManualPinner 

type ManualPinner interface {
	PinWithMode(key.Key, PinMode)
	RemovePinWithMode(key.Key, PinMode)
	Pinner
}

ManualPinner is for manually editing the pin structure Use with care! If used improperly, garbage collection may not be successful

type PinMode 

type PinMode int
const (
	Recursive PinMode = iota
	Direct
	Indirect
	NotPinned
)

type Pinner 

type Pinner interface {
	IsPinned(key.Key) bool
	Pin(context.Context, *mdag.Node, bool) error
	Unpin(context.Context, key.Key, bool) error
	Flush() error
	GetManual() ManualPinner
	DirectKeys() []key.Key
	IndirectKeys() map[key.Key]int
	RecursiveKeys() []key.Key
}

func LoadPinner 

func LoadPinner(d ds.ThreadSafeDatastore, dserv mdag.DAGService) (Pinner, error)

LoadPinner loads a pinner and its keysets from the given datastore

func NewPinner 

func NewPinner(dstore ds.ThreadSafeDatastore, serv mdag.DAGService) Pinner

NewPinner creates a new pinner using the given datastore as a backend

Source Files

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