engine_util

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

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

type DBItem interface {
	// Key returns the key.
	Key() []byte
	// KeyCopy returns a copy of the key of the item, writing it to dst slice.
	// If nil is passed, or capacity of dst isn't sufficient, a new slice would be allocated and
	// returned.
	KeyCopy(dst []byte) []byte
	// Value retrieves the value of the item.
	Value() ([]byte, error)
	// ValueSize returns the size of the value.
	ValueSize() int
	// ValueCopy returns a copy of the value of the item from the value log, writing it to dst slice.
	// If nil is passed, or capacity of dst isn't sufficient, a new slice would be allocated and
	// returned.
	ValueCopy(dst []byte) ([]byte, error)
}

type DBIterator interface {
	// Item returns pointer to the current key-value pair.
	Item() DBItem
	// Valid returns false when iteration is done.
	Valid() bool
	// Next would advance the iterator by one. Always check it.Valid() after a Next()
	// to ensure you have access to a valid it.Item().
	Next()
	// Seek would seek to the provided key if present. If absent, it would seek to the next smallest key
	// greater than provided.
	Seek([]byte)

	// Close the iterator
	Close()
}

type Engines struct {
	// Data, including data which is committed (i.e., committed across other nodes) and un-committed (i.e., only present
	// locally).
	Kv     *badger.DB
	KvPath string
	// Metadata used by Raft.
	Raft     *badger.DB
	RaftPath string
}

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