/// <summary>
/// Prepares the EventStreamDotNet library services for dependency injection.
/// </summary>
/// <param name="services">The DI service collection.</param>
/// <param name="LoggerFactory">When set, the library will emit Debug-level log output to the configured logger.</param>
/// <param name="domainModelConfigs">A lambda for registering domain model configurations.</param>
/// <param name="domainEventHandlers">A lambda for registering domain event handlers.</param>
/// <param name="projectionHandlers">A lambda for registering projection handlers.</param>
public static IServiceCollection AddEventStreamDotNet(this IServiceCollection services,
ILoggerFactory loggerFactory = null,
Action <EventStreamConfigService> domainModelConfigs = null,
Action <DomainEventHandlerService> domainEventHandlers = null,
Action <ProjectionHandlerService> projectionHandlers = null)
{
if (loggerFactory != null)
{
loggerFactory.CreateLogger("EventStreamDotNet").LogDebug($"{nameof(AddEventStreamDotNet)} is configuring and registering library services");
}
// Create the services
var svcConfigs = new EventStreamConfigService(loggerFactory);
var svcEvents = new DomainEventHandlerService(svcConfigs);
var svcProjs = new ProjectionHandlerService(svcConfigs);
// Invoke the lambdas
domainModelConfigs?.Invoke(svcConfigs);
domainEventHandlers?.Invoke(svcEvents);
projectionHandlers?.Invoke(svcProjs);
// Register the services for injection
services.AddSingleton(svcConfigs);
services.AddSingleton(svcEvents);
services.AddSingleton(svcProjs);
return(services);
}
/// <summary>
/// Constructor with optional lambda-style configuration.
/// </summary>
/// <param name="LoggerFactory">When set, the library will emit Debug-level log output to the configured logger.</param>
public DirectDependencyServiceHost(
ILoggerFactory loggerFactory = null,
Action <EventStreamConfigService> domainModelConfigs = null,
Action <DomainEventHandlerService> domainEventHandlers = null,
Action <ProjectionHandlerService> projectionHandlers = null)
{
// Create the services
EventStreamConfigs = new EventStreamConfigService(loggerFactory);
DomainEventHandlers = new DomainEventHandlerService(EventStreamConfigs);
ProjectionHandlers = new ProjectionHandlerService(EventStreamConfigs);
// Invoke the lambdas
domainModelConfigs?.Invoke(EventStreamConfigs);
domainEventHandlers?.Invoke(DomainEventHandlers);
projectionHandlers?.Invoke(ProjectionHandlers);
}
/// <summary>
/// Constructor.
/// </summary>
/// <param name="configService">A collection of library configuration settings.</param>
/// <param name="eventHandlerService">A collection of domain event handlers.</param>
/// <param name="projectionHandlerService">A collection of domain model projection handlers.</param>
public EventStreamProcessor(EventStreamConfigService configService, DomainEventHandlerService eventHandlerService, ProjectionHandlerService projectionHandlerService)
{
if (!configService.ContainsConfiguration <TDomainModelRoot>())
{
throw new Exception($"No configuration registered for domain model {typeof(TDomainModelRoot).Name}");
}
this.eventHandlerService = eventHandlerService;
this.projectionHandlerService = projectionHandlerService;
IsInitialized = false;
config = configService.GetConfiguration <TDomainModelRoot>();
logger = new DebugLogger <EventStreamProcessor <TDomainModelRoot> >(configService.LoggerFactory);
logger.LogDebug($"Created {nameof(EventStreamProcessor<TDomainModelRoot>)} for domain model root {typeof(TDomainModelRoot).Name}");
}
/// <summary>
/// Constructor.
/// </summary>
/// <param name="configService">A collection of library configuration settings.</param>
/// <param name="eventHandlerService">A collection of domain event handlers.</param>
/// <param name="projectionHandlerService">A collection of domain model projection handlers.</param>
public EventStreamManager(EventStreamConfigService configService, DomainEventHandlerService eventHandlerService, ProjectionHandlerService projectionHandlerService)
{
if (!configService.ContainsConfiguration <TDomainModelRoot>())
{
throw new Exception($"No configuration registered for domain model {typeof(TDomainModelRoot).Name}");
}
eventStream = new EventStreamProcessor <TDomainModelRoot>(configService, eventHandlerService, projectionHandlerService);
logger = new DebugLogger <EventStreamManager <TDomainModelRoot> >(configService.LoggerFactory);
logger.LogDebug($"Created {nameof(EventStreamManager<TDomainModelRoot>)} for domain model root {typeof(TDomainModelRoot).Name}");
}