/// <summary>
/// Adds an uninitialized item to the session data store.
/// </summary>
/// <param name="context">The HttpContext instance for the current request.</param>
/// <param name="id">The session identifier.</param>
/// <param name="timeout">The expiry timeout in minutes.</param>
public override void CreateUninitializedItem(HttpContext context, string id, int timeout)
{
try
{
Logger.Debug("Beginning CreateUninitializedItem. id={0}, timeout={1}", id, timeout);
var store = storeLocator();
using (var documentSession = store.OpenSession())
{
var expiry = DateTime.UtcNow.AddMinutes(timeout);
var sessionState = new SessionState(id, ApplicationName)
{
Expires = expiry
};
documentSession.Store(sessionState);
documentSession.Advanced.GetMetadataFor(sessionState)["Raven-Expiration-Date"] =
new RavenJValue(expiry);
documentSession.SaveChanges();
}
Logger.Debug("Completed CreateUninitializedItem. id={0}, timeout={1}", id, timeout);
}
catch (Exception ex)
{
Logger.ErrorException("Error during CreateUninitializedItem", ex);
throw;
}
}
/// <summary>
/// If the newItem parameter is true, the SetAndReleaseItemExclusive method inserts a new item into the data store with the supplied values.
/// Otherwise, the existing item in the data store is updated with the supplied values, and any lock on the data is released.
/// </summary>
/// <param name="context">The HttpContext instance for the current request.</param>
/// <param name="id">The session identifier.</param>
/// <param name="item">The current session values to be stored.</param>
/// <param name="lockId">The lock identifier for the current request.</param>
/// <param name="newItem">If true, a new item is inserted into the store. Otherwise, the existing item in
/// the data store is updated with the supplied values, and any lock on the data is released.</param>
public override void SetAndReleaseItemExclusive(
HttpContext context, string id, SessionStateStoreData item, object lockId, bool newItem)
{
try
{
Logger.Debug(
" Beginning SetAndReleaseItemExclusive. SessionId={0}, LockId={1}, newItem={2}", id, lockId, newItem);
var serializedItems = Serialize((SessionStateItemCollection)item.Items);
var store = storeLocator();
using (var documentSession = store.OpenSession())
{
// if we get a concurrency conflict, then we want to know about it
documentSession.Advanced.UseOptimisticConcurrency = true;
SessionState sessionState;
if (newItem)
{
sessionState = documentSession.Query<SessionState>()
.Customize(x => x.WaitForNonStaleResultsAsOfLastWrite())
.SingleOrDefault(x => x.SessionId == id && x.ApplicationName == ApplicationName && x.Expires < DateTime.UtcNow);
if (sessionState != null)
throw new InvalidOperationException(string.Format("Item aleady exist with SessionId={0} and ApplicationName={1}", id, lockId));
sessionState = new SessionState(id, ApplicationName);
documentSession.Store(sessionState);
}
else
{
sessionState = documentSession.Query<SessionState>()
.Customize(x => x.WaitForNonStaleResultsAsOfLastWrite())
.Single(x => x.SessionId == id && x.ApplicationName == ApplicationName && x.LockId == (int)lockId);
}
var expiryDate = DateTime.UtcNow.AddMinutes(sessionStateConfig.Timeout.TotalMinutes);
var ravenJObject = documentSession.Advanced.GetMetadataFor(sessionState);
ravenJObject["Raven-Expiration-Date"] = new RavenJValue(expiryDate);
sessionState.Expires = expiryDate;
sessionState.SessionItems = serializedItems;
sessionState.Locked = false;
documentSession.SaveChanges();
}
Logger.Debug("Completed SetAndReleaseItemExclusive. SessionId={0}, LockId={1}, newItem={2}", id, lockId, newItem);
}
catch (Exception ex)
{
Logger.ErrorException(string.Format("Error during SetAndReleaseItemExclusive. SessionId={0}, LockId={1}, newItem={2}", id, lockId, newItem), ex);
throw;
}
}
