private static void EnsureExchangeHasNotBeenConfiguredYet(IServiceCollection services, string exchangeName, ClientExchangeType clientExchangeType)
{
var specification = new DuplicatedRabbitMqExchangeDeclarationSpecification(exchangeName, clientExchangeType);
if (services.Any(x => specification.IsSatisfiedBy(x)))
{
throw new ArgumentException($"Exchange {exchangeName} has been added already!");
}
}
/// <summary>
/// Add an exchange as a singleton.
/// </summary>
/// <param name="services">Service collection.</param>
/// <param name="exchangeName">Exchange name.</param>
/// <param name="options">Exchange configuration <see cref="RabbitMqExchangeOptions"/>.</param>
/// <param name="clientExchangeType">Custom client exchange type that defines what functionality is allowed for an exchange.</param>
/// <returns>Service collection.</returns>
public static IServiceCollection AddExchange(this IServiceCollection services, string exchangeName, RabbitMqExchangeOptions?options, ClientExchangeType clientExchangeType = ClientExchangeType.Universal)
{
var exchangeOptions = options ?? new RabbitMqExchangeOptions();
ValidateExchangeTypes(exchangeName, exchangeOptions);
EnsureExchangeHasNotBeenConfiguredYet(services, exchangeName, clientExchangeType);
var exchange = new RabbitMqExchange(exchangeName, clientExchangeType, exchangeOptions);
var service = new ExchangeServiceDescriptor(typeof(RabbitMqExchange), exchange, exchangeName, clientExchangeType);
services.Add(service);
return(services);
}
/// <summary>
/// Add an exchange as a singleton.
/// </summary>
/// <param name="services">Service collection.</param>
/// <param name="exchangeName">Exchange name.</param>
/// <param name="configuration">Exchange configuration section.</param>
/// <param name="clientExchangeType">Custom client exchange type that defines what functionality is allowed for an exchange.</param>
/// <returns>Service collection.</returns>
public static IServiceCollection AddExchange(this IServiceCollection services, string exchangeName, IConfiguration configuration, ClientExchangeType clientExchangeType = ClientExchangeType.Universal)
{
var options = new RabbitMqExchangeOptions();
configuration.Bind(options);
return(services.AddExchange(exchangeName, options, clientExchangeType));
}
internal DuplicatedRabbitMqExchangeDeclarationSpecification(string exchangeName, ClientExchangeType exchangeType)
{
_exchangeName = exchangeName;
_exchangeType = exchangeType;
}
public RabbitMqExchange(string name, ClientExchangeType clientExchangeType, RabbitMqExchangeOptions options)
{
Name = name;
ClientExchangeType = clientExchangeType;
Options = options;
}
public ExchangeServiceDescriptor(Type serviceType, object instance, string exchangeName, ClientExchangeType clientExchangeType)
: base(serviceType, instance)
{
ExchangeName = exchangeName;
ClientExchangeType = clientExchangeType;
}
