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Documentation

Index

• type DB
  • func OpenDB(opts Opts, config driver.Config) (*DB, error)
  • func (db *DB) BeginUpdate() error
  • func (db *DB) Close() error
  • func (db *DB) Commit() error
  • func (db *DB) DeleteState(namespace, key string) error
  • func (db *DB) Discard() error
  • func (db *DB) GetState(namespace, key string) ([]byte, uint64, uint64, error)
  • func (db *DB) GetStateMetadata(namespace, key string) (map[string][]byte, uint64, uint64, error)
  • func (db *DB) GetStateRangeScanIterator(namespace string, startKey string, endKey string) (driver.VersionedResultsIterator, error)
  • func (db *DB) NewWriteTransaction() (driver.WriteTransaction, error)
  • func (db *DB) SetState(namespace, key string, value []byte, block, txnum uint64) error
  • func (db *DB) SetStateMetadata(namespace, key string, metadata map[string][]byte, block, txnum uint64) error
• type Driver
  • func (v *Driver) New(sp view.ServiceProvider, dataSourceName string, config driver.Config) (driver.Persistence, error)
  • func (o *Driver) NewTransactionalVersionedPersistence(sp view.ServiceProvider, dataSourceName string, config driver.Config) (driver.TransactionalVersionedPersistence, error)
  • func (v *Driver) NewVersioned(sp view.ServiceProvider, dataSourceName string, config driver.Config) (driver.VersionedPersistence, error)
• type Opts
• type WriteTransaction
  • func (w *WriteTransaction) Commit() error
  • func (w *WriteTransaction) Discard() error
  • func (w *WriteTransaction) SetState(namespace, key string, value []byte, block, txnum uint64) error

Types

type DB

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

func OpenDB

func OpenDB(opts Opts, config driver.Config) (*DB, error)

func (*DB) BeginUpdate

func (db *DB) BeginUpdate() error

func (*DB) Close

func (db *DB) Close() error

func (*DB) Commit

func (db *DB) Commit() error

func (*DB) DeleteState

func (db *DB) DeleteState(namespace, key string) error

func (*DB) Discard

func (db *DB) Discard() error

func (*DB) GetState

func (db *DB) GetState(namespace, key string) ([]byte, uint64, uint64, error)

func (*DB) GetStateMetadata

func (db *DB) GetStateMetadata(namespace, key string) (map[string][]byte, uint64, uint64, error)

func (*DB) GetStateRangeScanIterator

func (db *DB) GetStateRangeScanIterator(namespace string, startKey string, endKey string) (driver.VersionedResultsIterator, error)

func (*DB) NewWriteTransaction

func (db *DB) NewWriteTransaction() (driver.WriteTransaction, error)

func (*DB) SetState

func (db *DB) SetState(namespace, key string, value []byte, block, txnum uint64) error

func (*DB) SetStateMetadata

func (db *DB) SetStateMetadata(namespace, key string, metadata map[string][]byte, block, txnum uint64) error

type Driver

type Driver struct{}

func (*Driver) New

func (v *Driver) New(sp view.ServiceProvider, dataSourceName string, config driver.Config) (driver.Persistence, error)

func (*Driver) NewTransactionalVersionedPersistence

func (o *Driver) NewTransactionalVersionedPersistence(sp view.ServiceProvider, dataSourceName string, config driver.Config) (driver.TransactionalVersionedPersistence, error)

NewTransactionalVersionedPersistence returns a new TransactionalVersionedPersistence for the passed data source and config

func (*Driver) NewVersioned

func (v *Driver) NewVersioned(sp view.ServiceProvider, dataSourceName string, config driver.Config) (driver.VersionedPersistence, error)

type Opts

type Opts struct {
	badger.Options
	Path string
}

type WriteTransaction

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

func (*WriteTransaction) Commit

func (w *WriteTransaction) Commit() error

func (*WriteTransaction) Discard

func (w *WriteTransaction) Discard() error

func (*WriteTransaction) SetState

func (w *WriteTransaction) SetState(namespace, key string, value []byte, block, txnum uint64) error