/// <summary>
/// Update an existing subscription.
/// </summary>
/// <param name="subscription">The subscription</param>
/// <exception cref="ArgumentNullException">
/// The <paramref name="subscription"/> parameter is <b>null</b>.
/// </exception>
///
/// <exception cref="InvalidOperationException">
/// The <see cref="CommonSubscriptionData.Id"/> property is <b>null</b>.
/// </exception>
///
/// <exception cref="HealthServiceException">
/// The HealthVault service returned an error.
/// </exception>
public void UpdateSubscription(Subscription subscription)
{
Validator.ThrowIfArgumentNull(subscription, "subscription", "SubscriptionNull");
Validator.ThrowArgumentExceptionIf(subscription.CommonSubscriptionData == null, "subscription", "SubscriptionCommonSubscriptionDataNull");
Validator.ThrowInvalidIfNull(subscription.CommonSubscriptionData.Id, "SubscriptionIdNull");
HealthServiceRequest request = CreateRequest("UpdateEventSubscription", 1);
StringBuilder requestParameters = new StringBuilder();
using (XmlWriter writer = CreateWriter(requestParameters))
{
subscription.Serialize(writer);
writer.Flush();
}
request.Parameters = requestParameters.ToString();
request.Execute();
}
/// <summary>
/// Register a subscription with the HealthVault platform.
/// </summary>
/// <remarks>
/// After the subscription is registered the <see cref="CommonSubscriptionData.Id"/>
/// property will be set to the unique identifier of the subscription.
/// Applications may want to save this identifier to modify the subscription later.
/// </remarks>
/// <param name="subscription">The subscription to register.</param>
///
/// <exception cref="ArgumentNullException">
/// The <paramref name="subscription"/> parameter is <b>null</b>.
/// </exception>
///
/// <exception cref="InvalidOperationException">
/// The <see cref="CommonSubscriptionData.Id"/> property is not <b>null</b>.
/// </exception>
///
/// <exception cref="HealthServiceException">
/// The HealthVault service returned an error.
/// </exception>
public void Subscribe(Subscription subscription)
{
Validator.ThrowIfArgumentNull(subscription, "subscription", "SubscriptionNull");
Validator.ThrowArgumentExceptionIf(subscription.CommonSubscriptionData == null, "subscription", "SubscriptionCommonSubscriptionDataNull");
HealthServiceRequest request = CreateRequest("SubscribeToEvent", 1);
Validator.ThrowInvalidIf(subscription.CommonSubscriptionData.Id != null, "SubscriptionAlreadyCreated");
StringBuilder requestParameters = new StringBuilder();
using (XmlWriter writer = CreateWriter(requestParameters))
{
subscription.Serialize(writer);
writer.Flush();
}
request.Parameters = requestParameters.ToString();
request.Execute();
XPathNavigator infoNav =
request.Response.InfoNavigator.SelectSingleNode(
SDKHelper.GetInfoXPathExpressionForMethod(
request.Response.InfoNavigator,
"SubscribeToEvent"));
XPathNavigator subscriptionIdNavigator =
infoNav.SelectSingleNode("subscription-id");
subscription.CommonSubscriptionData.Id = new Guid(subscriptionIdNavigator.Value);
}