/// <summary>
/// Adds a stream store backed configuration provider.
/// </summary>
/// <param name="builder">The configuration builer that SSS will be aded to </param>
/// <param name="connectionStringKey">The key that holds the connection string</param>
/// <param name="streamStoreFactory">Builds the stream store implementation</param>
/// <param name="subscribeToChanges">Should we subscribe to changes?</param>
/// <param name="errorHandler">What to do if database is not available. </param>
/// <param name="messageHooks">Message hooks that help you to implement encryption</param>
/// <returns></returns>
public static IConfigurationBuilder AddStreamStore(this IConfigurationBuilder builder,
string connectionStringKey,
BuildStreamStoreFromConnectionString streamStoreFactory,
bool subscribeToChanges = false,
ErrorHandler errorHandler = null,
IConfigurationSettingsHooks messageHooks = null)
{
builder.Add(new StreamStoreConfigurationSource(connectionStringKey, streamStoreFactory)
{
SubscribeToChanges = subscribeToChanges,
ErrorHandler = errorHandler,
MessageHooks = messageHooks
});
return(builder);
}
public StreamStoreConfigurationSource(string connectionStringKey, BuildStreamStoreFromConnectionString streamStoreFactory)
{
_buildStreamStoreFromConfig = (c =>
{
var connectionString = c[connectionStringKey];
if (string.IsNullOrEmpty(connectionString))
{
throw new InvalidOperationException(
$"Cannot create SqlStreamStore repository, becuase connection string (key: '{connectionStringKey}') has not been configured.");
}
return(streamStoreFactory(connectionString));
});
}
