kvstore

package
v0.0.0-...-01875d1 Latest Latest
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Published: Oct 18, 2019 License: GPL-2.0 Imports: 4 Imported by: 0

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Constants

This section is empty.

Variables

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var ErrNotFound = errors.New("Key not found")

Functions

This section is empty.

Types

type KVStore

type KVStore interface {
	Get(key []byte) ([]byte, error)
	Put(key, value []byte) error
	Delete(key []byte) error
	Scan(func(key, value []byte) bool) error
}

type LevelDBStore

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

func NewLevelDBStore

func NewLevelDBStore(path string) (kvs *LevelDBStore, err error)

func NewMemStore

func NewMemStore() (*LevelDBStore, error)

func (*LevelDBStore) Delete

func (kv *LevelDBStore) Delete(key []byte) error

func (*LevelDBStore) Get

func (kv *LevelDBStore) Get(key []byte) ([]byte, error)

func (*LevelDBStore) Put

func (kv *LevelDBStore) Put(key, value []byte) error

func (*LevelDBStore) Scan

func (kv *LevelDBStore) Scan(f func(key, value []byte) bool) error

func (*LevelDBStore) ScanRange

func (kv *LevelDBStore) ScanRange(start, end []byte, f func(key, value []byte) bool) error

type PrefixWrapper

type PrefixWrapper struct {
	Inner  SortedStore
	Prefix []byte
}

func (*PrefixWrapper) Delete

func (pw *PrefixWrapper) Delete(key []byte) error

func (*PrefixWrapper) Get

func (pw *PrefixWrapper) Get(key []byte) ([]byte, error)

func (*PrefixWrapper) Put

func (pw *PrefixWrapper) Put(key, value []byte) error

func (*PrefixWrapper) Scan

func (pw *PrefixWrapper) Scan(f func(key, value []byte) bool) error

func (*PrefixWrapper) ScanRange

func (pw *PrefixWrapper) ScanRange(start, end []byte, f func(key, value []byte) bool) error

type SortedStore

type SortedStore interface {
	KVStore
	ScanRange(start, stop []byte, f func(key, value []byte) bool) error
}

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