datastore

type Store interface {
	// SetPrefix set the prefix to prefix all given keys with.
	SetKeyPrefix(prefix string)

	// Get return a specific key.
	Get(ctx context.Context, key string, opts ...clientv3.OpOption) (*clientv3.GetResponse, error)
	// Put set a key to a specific value.
	Put(ctx context.Context, key string, value string, opts ...clientv3.OpOption) (*clientv3.PutResponse, error)
	// PutTTL set a key to a specific value with a TTL.
	PutTTL(ctx context.Context, key string, value string, ttl int64, opts ...clientv3.OpOption) (*clientv3.PutResponse, error)
	// Delete delete a key value pair.
	Delete(ctx context.Context, key string, opts ...clientv3.OpOption) (*clientv3.DeleteResponse, error)
	// Txn creates a transaction.
	Txn(ctx context.Context) clientv3.Txn

	// Watch watch a key or directory for creation, changes and deletion.
	Watch(ctx context.Context, key string, opts ...clientv3.OpOption) clientv3.WatchChan
	// Close closes the watcher and cancels all watch requests.
	Close() error
}