/// <summary>
/// Initializes a new instance of the <see cref="MQEventProviderCommandBus"/> class.
/// </summary>
/// <param name="serviceLocator">服务定位器</param>
/// <param name="messageProducerProvider">根据事件去查询消息发布者</param>
/// <param name="eventStorager">领域事件的保存方案</param>
/// <param name="commandStorager">命令储存</param>
public MQEventProviderCommandBus(IServiceLocator serviceLocator,
IEventStorager eventStorager,
ICommandStorager commandStorager,
IMessageProducerProvider messageProducerProvider)
: base(serviceLocator)
{
this.eventBus = new MQEventBus(this, messageProducerProvider);
this.eventStorager = eventStorager ?? EmptyEventStreamStorager.Empty;
this.commandStorager = commandStorager ?? EmptyCommandStreamStorager.Empty;
}
public static ApplicationStartup UseMQEventProviderCommandBus <TCommandContext>(this ApplicationStartup startup, IMessageProducerProvider messageProducerProvider, IEventStorager eventStorager, ICommandStorager commandStorager) where TCommandContext : ICommandContext
{
if (startup.ServiceRegister == null)
{
return(startup);
}
if (startup.Items.ContainsKey("UseMQEventProviderCommandBus"))
{
return(startup);
}
if (startup.Items.Remove("UseInprocEventProviderCommandBus"))
{
throw new ArgumentNullException("系统已经注册同进程模式的命令总线了，两者不同共存");
}
/*注册发布事件*/
startup.ServiceRegister.RegisterType(typeof(TCommandContext), typeof(ICommandContext), string.Empty, ComponentLifeStyle.Transient);
startup.ServiceRegister.RegisterType(typeof(DefaultEventContext), typeof(IEventContext), string.Empty, ComponentLifeStyle.Transient);
startup.ServiceRegister.RegisterInstance(messageProducerProvider ?? new DefaultMessageProducerProvider(), typeof(IMessageProducerProvider), string.Empty);
startup.ServiceRegister.RegisterType(typeof(MQEventProviderCommandBus), typeof(ICommandBus), string.Empty, ComponentLifeStyle.Singleton);
startup.ServiceRegister.RegisterInstance(eventStorager ?? EmptyEventStreamStorager.Empty, typeof(IEventStorager), string.Empty);
startup.ServiceRegister.RegisterInstance(commandStorager ?? EmptyCommandStreamStorager.Empty, typeof(ICommandStorager), string.Empty);
//注入handler类型的对象
startup.UseInjectingCommandHandlerEventHandler(ComponentLifeStyle.Singleton);
startup.Items["UseMQEventProviderCommandBus"] = "t";
return(startup);
}
public static ApplicationStartup UseMQEventProviderCommandBus <TCommandContext>(this ApplicationStartup startup, IMessageProducerProvider messageProducerProvider, IEventStorager eventStorager) where TCommandContext : ICommandContext
{
return(UseMQEventProviderCommandBus <TCommandContext>(startup, messageProducerProvider, eventStorager, EmptyCommandStreamStorager.Empty));
}
public static ApplicationStartup UseMQEventProviderCommandBus(this ApplicationStartup startup, IMessageProducerProvider messageProducerProvider)
{
return(UseMQEventProviderCommandBus <DefaultCommandContext>(startup, messageProducerProvider, EmptyEventStreamStorager.Empty));
}
/// <summary>
/// Initializes a new instance of the <see cref="MQCommandStreamStorager"/> class.
/// </summary>
/// <param name="messageProducerProvider">The message producer.</param>
public MQCommandStreamStorager(IMessageProducerProvider messageProducerProvider)
: this(messageProducerProvider.MessageProducer, SerializeEnvironment.JsonSerializer, null)
{
}
/// <summary>
/// Initializes a new instance of the <see cref="MQEventBus"/> class.
/// </summary>
/// <param name="commandBus"></param>
/// <param name="messageProducerProvider">The message producer.</param>
public MQEventBus(ICommandBus commandBus,
IMessageProducerProvider messageProducerProvider)
{
this.commandBus = commandBus;
this.messageProducerProvider = messageProducerProvider;
}
