leveldb

package

v0.0.2 Latest Latest Go to latest Published: Oct 31, 2023 License: GPL-3.0 Imports: 12 Imported by: 0

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Repository

github.com/Dharitri-org/sme-dharitri

Documentation ¶

Index ¶

func NewBatch() *batch
type DB
- func NewDB(path string, batchDelaySeconds int, maxBatchSize int, maxOpenFiles int) (s *DB, err error)
type SerialDB
- func NewSerialDB(path string, batchDelaySeconds int, maxBatchSize int, maxOpenFiles int) (s *SerialDB, err error)

Constants ¶

This section is empty.

Variables ¶

This section is empty.

Functions ¶

func NewBatch ¶

func NewBatch() *batch

NewBatch creates a batch

Types ¶

type DB ¶

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

DB holds a pointer to the leveldb database and the path to where it is stored.

func NewDB ¶

func NewDB(path string, batchDelaySeconds int, maxBatchSize int, maxOpenFiles int) (s *DB, err error)

NewDB is a constructor for the leveldb persister It creates the files in the location given as parameter

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) DestroyClosed ¶

func (s *DB) DestroyClosed() error

DestroyClosed removes the already closed storage medium stored data

func (*DB) Get ¶

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

Get returns the value associated to the key

func (*DB) Has ¶

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

Has returns nil if the given key is present in the persistence medium

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) RangeKeys ¶ added in v0.0.2

func (bldb DB) RangeKeys(handler func(key []byte, value []byte) bool)

RangeKeys will call the handler function for each (key, value) pair If the handler returns true, the iteration will continue, otherwise will stop

func (*DB) Remove ¶

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

Remove removes the data associated to the given key

type SerialDB ¶

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

SerialDB holds a pointer to the leveldb database and the path to where it is stored.

func NewSerialDB ¶

func NewSerialDB(path string, batchDelaySeconds int, maxBatchSize int, maxOpenFiles int) (s *SerialDB, err error)

NewSerialDB is a constructor for the leveldb persister It creates the files in the location given as parameter

func (*SerialDB) Close ¶

func (s *SerialDB) Close() error

Close closes the files/resources associated to the storage medium

func (*SerialDB) Destroy ¶

func (s *SerialDB) Destroy() error

Destroy removes the storage medium stored data

func (*SerialDB) DestroyClosed ¶

func (s *SerialDB) DestroyClosed() error

DestroyClosed removes the already closed storage medium stored data

func (*SerialDB) Get ¶

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

Get returns the value associated to the key

func (*SerialDB) Has ¶

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

Has returns nil if the given key is present in the persistence medium

func (*SerialDB) Init ¶

func (s *SerialDB) Init() error

Init initializes the storage medium and prepares it for usage

func (*SerialDB) IsInterfaceNil ¶

func (s *SerialDB) IsInterfaceNil() bool

IsInterfaceNil returns true if there is no value under the interface

func (*SerialDB) Put ¶

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

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

func (SerialDB) RangeKeys ¶ added in v0.0.2

func (bldb SerialDB) RangeKeys(handler func(key []byte, value []byte) bool)

RangeKeys will call the handler function for each (key, value) pair If the handler returns true, the iteration will continue, otherwise will stop

func (*SerialDB) Remove ¶

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

Remove removes the data associated to the given key

Source Files ¶

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