/// <summary>
/// Instantiate a replay command publisher used
/// </summary>
public ReplayCommandPublisher(IMicroserviceReplayHost host, ICommandPublisher commandPublisher, ILoggerFactory loggerFactory = null)
{
loggerFactory ??= new NullLoggerFactory();
Host = host;
CommandPublisher = commandPublisher;
Logger = loggerFactory.CreateLogger <ReplayCommandPublisher>();
}
/// <summary>
/// Entrypoint
/// </summary>
static void Main(string[] args)
{
/**
* Logging is important, so first set up a logger factory
*/
using var loggerFactory = LoggerFactory.Create(configure =>
{
configure.AddConsole().SetMinimumLevel(LogLevel.Information);
});
/**
* Set up a context using environment variables
*/
using var context = new RabbitMqContextBuilder()
.ReadFromEnvironmentVariables()
.CreateContext();
/**
* Build a host using the loggerfactory, context and register any event listeners in the package.
*/
using var hostBuilder = new MicroserviceReplayHostBuilder()
.SetLoggerFactory(loggerFactory)
.WithBusContext(context)
.UseConventions();
/**
* Now create the host and start it
*/
using IMicroserviceReplayHost host = (MicroserviceReplayHost)hostBuilder.CreateHost();
host.Start();
/**
* Start spamming events to the auditlogger as a demonstration
*/
StartSpammingEvents(context);
/**
* Now let's start replaying, first create a replay command
*/
Guid processId = Guid.NewGuid();
ReplayEventsCommand replayEventsCommand = new ReplayEventsCommand(DateTime.Now.ToFileTimeUtc(), processId)
{
Types = new List <string> {
"AnimalAddedEvent"
}
};
/**
* Create the publishers
*/
ICommandPublisher publisher = new CommandPublisher(context);
IReplayCommandPublisher replayCommandPublisher = new ReplayCommandPublisher(host, publisher, loggerFactory);
/**
* Commence a replay!
*/
replayCommandPublisher.Initiate(replayEventsCommand);
}
