/// <summary>
/// Creates a <see cref="ISubscriptionGroup"/> for the given configuration.
/// </summary>
/// <param name="defaults">The default values to use while building each <see cref="SubscriptionGroup"/>.</param>
/// <param name="subscriptionGroupSettings"></param>
/// <returns>An <see cref="ISubscriptionGroup"/> to run.</returns>
public ISubscriptionGroup Create(
SubscriptionGroupSettingsBuilder defaults,
IDictionary <string, SubscriptionGroupConfigBuilder> subscriptionGroupSettings)
{
ReceiveMiddleware receiveMiddleware = defaults.SqsMiddleware ?? _defaultSqsMiddleware;
List <ISubscriptionGroup> groups = subscriptionGroupSettings
.Values
.Select(builder => Create(receiveMiddleware, builder.Build(defaults)))
.ToList();
return(new SubscriptionGroupCollection(
groups,
_loggerFactory.CreateLogger <SubscriptionGroupCollection>()));
}
/// <summary>
/// Given a set of defaults and overrides from this builder, builds a concrete <see cref="SubscriptionGroupSettings"/>
/// that can be passed to an <see cref="ISubscriptionGroupFactory"/> to build an <see cref="ISubscriptionGroup"/>.
/// </summary>
/// <param name="defaults">The default values to use if no override given.</param>
/// <returns>A <see cref="SubscriptionGroupSettings"/>.</returns>
public SubscriptionGroupSettings Build(SubscriptionGroupSettingsBuilder defaults)
{
if (defaults == null)
{
throw new InvalidOperationException("Defaults must be set before building settings.");
}
var settings = new SubscriptionGroupSettings(
_groupName,
_concurrencyLimit ?? defaults.ConcurrencyLimit,
_bufferSize ?? defaults.BufferSize,
_receiveBufferReadTimeout ?? defaults.ReceiveBufferReadTimeout,
_recieveMessagesWaitTime ?? defaults.ReceiveMessagesWaitTime,
_multiplexerCapacity ?? defaults.MultiplexerCapacity,
_prefetch ?? defaults.Prefetch,
_sqsQueues);
settings.Validate();
return(settings);
}