index

type BatchMutation interface {
	Set(key, value string)
	Delete(key string)
}

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

type Index struct {
	*blobserver.SimpleBlobHubPartitionMap
	*blobserver.NoImplStorage

	KeyFetcher blobref.StreamingFetcher // for verifying claims

	// Used for fetching blobs to find the complete sha1s of file & bytes
	// schema blobs.
	BlobSource blobref.StreamingFetcher
	// contains filtered or unexported fields
}

type Iterator interface {
	// Next moves the iterator to the next key/value pair.
	// It returns false when the iterator is exhausted.
	Next() bool

	// Key returns the key of the current key/value pair.
	// Only valid after a call to Next returns true.
	Key() string

	// Value returns the value of the current key/value pair.
	// Only valid after a call to Next returns true.
	Value() string

	// Close closes the iterator and returns any accumulated error. Exhausting
	// all the key/value pairs in a table is not considered to be an error.
	// It is valid to call Close multiple times. Other methods should not be
	// called after the iterator has been closed.
	Close() error
}

type Mutation interface {
	Key() string
	Value() string
	IsDelete() bool
}

type Storage interface {
	// Get gets the value for the given key. It returns ErrNotFound if the DB
	// does not contain the key.
	Get(key string) (string, error)

	Set(key, value string) error
	Delete(key string) error

	BeginBatch() BatchMutation
	CommitBatch(b BatchMutation) error

	// Find returns an iterator positioned before the first key/value pair
	// whose key is 'greater than or equal to' the given key. There may be no
	// such pair, in which case the iterator will return false on Next.
	//
	// Any error encountered will be implicitly returned via the iterator. An
	// error-iterator will yield no key/value pairs and closing that iterator
	// will return that error.
	Find(key string) Iterator
}