public SqlProjectionSubscription(IStreamStore store, ISqlProjection projection, SqlSubscriptionPersistence persistence)
{
_store = store;
_projection = projection;
_persistence = persistence;
_lastReadPosition = persistence.InitialReadPosition;
_runningLive = false;
}
private void RegisterSubscriber(ISqlProjection projection, SqlConnection conn)
{
conn.Execute(projection.SchemaTeardown);
foreach (var setupStep in projection.SchemaSetup)
{
conn.Execute(setupStep);
}
conn.Execute("INSERT INTO Inf_ReadSubscriptions (SchemaName, SchemaRevision, ReadPosition) VALUES (@name, @rev, null)",
new { name = projection.SchemaIdentifier.Name, rev = projection.SchemaIdentifier.Revision });
}
private SqlProjectionSubscription WakeReadProjection(ISqlProjection projection,
SubscriptionState subscriptionState, SqlConnection connection)
{
if (subscriptionState.AlreadyExists == false)
{
RegisterSubscriber(projection, connection);
}
var persistence = new SqlSubscriptionPersistence(_connectionString, subscriptionState.ReadPosition, projection);
var subscriber = new SqlProjectionSubscription(_sqlStreamStore, projection, persistence);
subscriber.Subscribe();
return(subscriber);
}
public SqlSubscriptionPersistence(string commitConnectionstring, long?initialReadPosition, ISqlProjection projection)
{
InitialReadPosition = initialReadPosition;
_commitConnectionstring = commitConnectionstring;
_projection = projection;
}
