session

type Options struct {
	Values *map[string]interface{} `json:"values,omitempty"`
	MaxAge *int                    `json:"max-age,omitempty"`
}

type Service interface {
	// Session retrieves a Session instance.
	Session(id string) (*Session, error)
	// CreateSession creates a new Session instance.
	CreateSession(*Options) (*Session, error)
	// UpdateSession changes data of an existing Session.
	UpdateSession(id string, o *Options) (*Session, error)
	// DeleteSession deletes an existing Session.
	DeleteSession(id string) error
}

type Session struct {
	// A unique Session ID.
	ID string `json:"id"`
	// A mapping of named arbitrary data that Session holds.
	Values map[string]interface{} `json:"values,omitempty"`
	// MaxAge is an integer that represents duration in seconds and
	// can be used in setting expiration of a HTTP cookie.
	MaxAge int `json:"max-age,omitempty"`
}