void ISubscriptionStorage.Subscribe(Address address, IEnumerable <MessageType> messageTypes)
{
using (var transaction = new TransactionScope(TransactionScopeOption.Suppress))
using (var session = subscriptionStorageSessionProvider.OpenSession())
using (var tx = session.BeginTransaction(System.Data.IsolationLevel.ReadCommitted))
{
foreach (var messageType in messageTypes)
{
var type = messageType;
if (session.QueryOver <Subscription>()
.Where(s => s.TypeName == type.TypeName && s.SubscriberEndpoint == address.ToString())
.List()
.Any(s => new MessageType(s.TypeName, s.Version) == messageType))
{
continue;
}
session.Save(new Subscription
{
SubscriberEndpoint = address.ToString(),
MessageType = messageType.TypeName + "," + messageType.Version,
Version = messageType.Version.ToString(),
TypeName = messageType.TypeName
});
}
tx.Commit();
transaction.Complete();
}
}
/// <summary>
/// Adds the given subscription to the DB.
/// Method checks for existing subcriptions to prevent duplicates
/// </summary>
/// <param name="client"></param>
/// <param name="messageTypes"></param>
void ISubscriptionStorage.Subscribe(string client, IEnumerable <string> messageTypes)
{
using (var transaction = new TransactionScope(TransactionScopeOption.RequiresNew, new TransactionOptions {
IsolationLevel = IsolationLevel.ReadCommitted
}))
using (var session = subscriptionStorageSessionProvider.OpenSession())
{
foreach (var messageType in messageTypes)
{
var subscription = new Subscription
{
SubscriberEndpoint = client,
MessageType = messageType
};
if (session.Get <Subscription>(subscription) == null)
{
session.Save(subscription);
}
}
transaction.Complete();
}
}
void ISubscriptionStorage.Subscribe(Address address, IEnumerable <MessageType> messageTypes)
{
using (var session = sessionSource.OpenSession())
using (var transaction = new TransactionScope())
{
foreach (var messageType in messageTypes)
{
var subscription = new Subscription
{
SubscriberEndpoint = EncodeTo64(address.ToString()),
MessageType = messageType.ToString()
};
if (session.Get <Subscription>(subscription) == null)
{
session.Save(subscription);
}
}
transaction.Complete();
session.Flush();
}
}
