/** * Initializes a new instance of the StreamingSubscriptionConnection class. * * @param service The ExchangeService instance this connection uses to connect to the server. * @param lifetime The maximum time, in minutes, the connection will remain open. Lifetime must be * between 1 and 30. * @throws Exception */ public StreamingSubscriptionConnection(ExchangeService service, int lifetime) throws Exception { EwsUtilities.validateParam(service, "service"); EwsUtilities.validateClassVersion( service, ExchangeVersion.Exchange2010_SP1, this.getClass().getName()); if (lifetime < 1 || lifetime > 30) { throw new ArgumentOutOfRangeException("lifetime"); } this.session = service; this.subscriptions = new HashMap<String, StreamingSubscription>(); this.connectionTimeout = lifetime; }