memorydb

package
v1.0.52 Latest Latest
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Published: Dec 5, 2019 License: GPL-3.0 Imports: 6 Imported by: 0

Documentation

Index

Constants

This section is empty.

Variables

This section is empty.

Functions

func NewlruDB

func NewlruDB(size uint32) (*lruDB, error)

NewlruDB creates a lruDB according to size

Types

type DB

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

DB represents the memory database storage. It holds a map of key value pairs and a mutex to handle concurrent accesses to the map

func New

func New() (*DB, error)

New creates a new memorydb object

func (*DB) Close

func (s *DB) Close() error

Close closes the files/resources associated to the storage medium

func (*DB) Destroy

func (s *DB) Destroy() error

Destroy removes the storage medium stored data

func (*DB) Get

func (s *DB) Get(key []byte) ([]byte, error)

Get gets the value associated to the key, or reports an error

func (*DB) Has

func (s *DB) Has(key []byte) error

Has returns true if the given key is present in the persistence medium, false otherwise

func (*DB) Init

func (s *DB) Init() error

Init initializes the storage medium and prepares it for usage

func (*DB) IsInterfaceNil

func (s *DB) IsInterfaceNil() bool

IsInterfaceNil returns true if there is no value under the interface

func (*DB) Put

func (s *DB) Put(key, val []byte) error

Put adds the value to the (key, val) storage medium

func (*DB) Remove

func (s *DB) Remove(key []byte) error

Remove removes the data associated to the given key

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