public void Close()
{
this.isOpen = false;
this.accessToken = null;
this.sessionId = null;
this.client = null;
}
public ReadingSession(string accessToken, string readingId, ReadingsClient readingsClient)
{
this.client = readingsClient;
this.accessToken = accessToken;
this.readingId = readingId;
this.lastPingTime = DateTime.Now;
this.sessionId = Guid.NewGuid().ToString();
this.isOpen = true;
}