void ISubscriptionStorage.Subscribe(Address address, IEnumerable <MessageType> messageTypes)
{
using (var context = new SubscriptionServiceContext(client))
{
foreach (var messageType in messageTypes)
{
try
{
var subscription = new Subscription
{
RowKey = EncodeTo64(address.ToString()),
PartitionKey = messageType.ToString()
};
context.AddObject(SubscriptionServiceContext.SubscriptionTableName, subscription);
context.SaveChangesWithRetries();
}
catch (StorageException ex)
{
if (ex.RequestInformation.HttpStatusCode != 409)
{
throw;
}
}
}
}
}
void ISubscriptionStorage.Subscribe(Address address, IEnumerable<MessageType> messageTypes)
{
using (var context = new SubscriptionServiceContext(client))
{
foreach (var messageType in messageTypes)
{
try
{
var subscription = new Subscription
{
RowKey = EncodeTo64(address.ToString()),
PartitionKey = messageType.ToString()
};
context.AddObject(SubscriptionServiceContext.SubscriptionTableName, subscription);
context.SaveChangesWithRetries();
}
catch (StorageException ex)
{
if (ex.RequestInformation.HttpStatusCode != 409) throw;
}
}
}
}
void ISubscriptionStorage.Unsubscribe(Address address, IEnumerable<MessageType> messageTypes)
{
using (var context = new SubscriptionServiceContext(client))
{
var encodedAddress = EncodeTo64(address.ToString());
foreach (var messageType in messageTypes)
{
var type = messageType;
var query = from s in context.Subscriptions
where s.PartitionKey == type.ToString() && s.RowKey == encodedAddress
select s;
var subscription = query.SafeFirstOrDefault();
if(subscription != null) context.DeleteObject(subscription);
context.SaveChangesWithRetries();
}
}
}
IEnumerable<Address> ISubscriptionStorage.GetSubscriberAddressesForMessage(IEnumerable<MessageType> messageTypes)
{
var subscribers = new List<Address>();
using (var context = new SubscriptionServiceContext(client))
{
foreach (var messageType in messageTypes)
{
var type = messageType;
var query = from s in context.Subscriptions
where s.PartitionKey == type.ToString()
select s;
subscribers.AddRange(query.ToList().Select(s => Address.Parse(DecodeFrom64(s.RowKey))));
}
}
return subscribers;
}
IEnumerable <Address> ISubscriptionStorage.GetSubscriberAddressesForMessage(IEnumerable <MessageType> messageTypes)
{
var subscribers = new List <Address>();
using (var context = new SubscriptionServiceContext(client))
{
foreach (var messageType in messageTypes)
{
var type = messageType;
var query = from s in context.Subscriptions
where s.PartitionKey == type.ToString()
select s;
subscribers.AddRange(query.ToList().Select(s => Address.Parse(DecodeFrom64(s.RowKey))));
}
}
return(subscribers);
}
void ISubscriptionStorage.Unsubscribe(Address address, IEnumerable<MessageType> messageTypes)
{
using (var context = new SubscriptionServiceContext(client))
{
var encodedAddress = EncodeTo64(address.ToString());
foreach (var messageType in messageTypes)
{
var type = messageType;
var query = from s in context.Subscriptions
where s.PartitionKey == type.ToString() && s.RowKey == encodedAddress
select s;
var subscription = query
.AsTableServiceQuery(context) // Fixes #191
.AsEnumerable() // Fixes #191, continuation not applied on single resultsets eventhough continuation can happen
.SafeFirstOrDefault();
if(subscription != null) context.DeleteObject(subscription);
context.SaveChangesWithRetries();
}
}
}
void ISubscriptionStorage.Unsubscribe(Address address, IEnumerable <MessageType> messageTypes)
{
using (var context = new SubscriptionServiceContext(client))
{
var encodedAddress = EncodeTo64(address.ToString());
foreach (var messageType in messageTypes)
{
var type = messageType;
var query = from s in context.Subscriptions
where s.PartitionKey == type.ToString() && s.RowKey == encodedAddress
select s;
var subscription = query.FirstOrDefault();
if (subscription != null)
{
context.DeleteObject(subscription);
}
context.SaveChangesWithRetries();
}
}
}
void ISubscriptionStorage.Unsubscribe(Address address, IEnumerable <MessageType> messageTypes)
{
using (var context = new SubscriptionServiceContext(client))
{
var encodedAddress = EncodeTo64(address.ToString());
foreach (var messageType in messageTypes)
{
var type = messageType;
var query = from s in context.Subscriptions
where s.PartitionKey == type.ToString() && s.RowKey == encodedAddress
select s;
var subscription = query
.AsTableServiceQuery(context) // Fixes #191
.AsEnumerable() // Fixes #191, continuation not applied on single resultsets eventhough continuation can happen
.SafeFirstOrDefault();
if (subscription != null)
{
context.DeleteObject(subscription);
}
context.SaveChangesWithRetries();
}
}
}
