/// <summary>
/// Initializes a new instance of the <see cref="ApolloSubscriptionServer{TSchema}" /> class.
/// </summary>
/// <param name="schema">The schema instance this sever will use for various comparisons.</param>
/// <param name="options">The user configured options for this server.</param>
/// <param name="eventRouter">The listener watching for new events that need to be communicated
/// to clients managed by this server.</param>
/// <param name="logger">The logger to record server events to, if any.</param>
public ApolloSubscriptionServer(
TSchema schema,
SubscriptionServerOptions <TSchema> options,
ISubscriptionEventRouter eventRouter,
IGraphEventLogger logger = null)
{
_schema = Validation.ThrowIfNullOrReturn(schema, nameof(schema));
_serverOptions = Validation.ThrowIfNullOrReturn(options, nameof(options));
_eventRouter = Validation.ThrowIfNullOrReturn(eventRouter, nameof(eventRouter));
_clients = new HashSet <ApolloClientProxy <TSchema> >();
_eventSendSemaphore = new SemaphoreSlim(_serverOptions.MaxConcurrentClientNotifications);
_logger = logger != null ? new ApolloServerEventLogger <TSchema>(this, logger) : null;
_subCountByName = new Dictionary <SubscriptionEventName, HashSet <ApolloClientProxy <TSchema> > >(
SubscriptionEventNameEqualityComparer.Instance);
this.Id = Guid.NewGuid().ToString();
}
/// <summary>
/// Initializes a new instance of the <see cref="AzureServiceBusSubscriptionListener" /> class.
/// </summary>
/// <param name="loggerFactory">The logger factory.</param>
/// <param name="router">The internal router to which deserialzied messages
/// should be pushed.</param>
/// <param name="cnnString">The CNN string.</param>
/// <param name="topic">The topic.</param>
/// <param name="subscriptionName">Name of the subscription.</param>
public GraphQLAzureServiceBusListenerService(
ILoggerFactory loggerFactory,
ISubscriptionEventRouter router,
string cnnString,
string topic,
string subscriptionName)
{
_logger = loggerFactory?.CreateLogger("GraphQLAzureServiceBusDemo");
_router = Validation.ThrowIfNullOrReturn(router, nameof(router));
_cnnString = Validation.ThrowIfNullWhiteSpaceOrReturn(cnnString, nameof(cnnString), false);
_topic = Validation.ThrowIfNullWhiteSpaceOrReturn(topic, nameof(topic), false);
_subscription = Validation.ThrowIfNullWhiteSpaceOrReturn(subscriptionName, nameof(subscriptionName), false);
_serializationOptions = new JsonSerializerOptions();
_serializationOptions.PropertyNameCaseInsensitive = true;
_serializationOptions.WriteIndented = true;
_serializationOptions.Converters.Add(new SubscriptionEventConverter());
}
/// <summary>
/// Initializes a new instance of the <see cref="InProcessSubscriptionPublisher"/> class.
/// </summary>
/// <param name="eventRouter">The event router to push messages to.</param>
public InProcessSubscriptionPublisher(ISubscriptionEventRouter eventRouter = null)
{
_eventRouter = Validation.ThrowIfNullOrReturn(eventRouter, nameof(eventRouter));
}
