public static DbContextBuilder <TDbContext> AddNpgsqlDbOperationLogChangeTracking <TDbContext>(
this DbContextBuilder <TDbContext> dbContextBuilder,
Action <IServiceProvider, NpgsqlDbOperationLogChangeTrackingOptions <TDbContext> >?configureOptions = null)
where TDbContext : DbContext
{
var services = dbContextBuilder.Services;
services.TryAddSingleton(c => {
var options = new NpgsqlDbOperationLogChangeTrackingOptions <TDbContext>();
configureOptions?.Invoke(c, options);
return(options);
});
// NpgsqlDbOperationLogChangeTracker<TDbContext>
services.TryAddSingleton <NpgsqlDbOperationLogChangeTracker <TDbContext> >();
services.AddHostedService(c =>
c.GetRequiredService <NpgsqlDbOperationLogChangeTracker <TDbContext> >());
services.TryAddSingleton <IDbOperationLogChangeTracker <TDbContext> >(c =>
c.GetRequiredService <NpgsqlDbOperationLogChangeTracker <TDbContext> >());
// NpgsqlDbOperationLogChangeNotifier<TDbContext>
services.TryAddEnumerable(
ServiceDescriptor.Singleton <
IOperationCompletionListener,
NpgsqlDbOperationLogChangeNotifier <TDbContext> >());
return(dbContextBuilder);
}
public NpgsqlDbOperationLogChangeNotifier(
NpgsqlDbOperationLogChangeTrackingOptions <TDbContext> options,
AgentInfo agentInfo,
IServiceProvider services)
: base(services)
{
Options = options;
AgentInfo = agentInfo;
AsyncLock = new AsyncLock(ReentryMode.CheckedFail);
}
public NpgsqlDbOperationLogChangeTracker(
NpgsqlDbOperationLogChangeTrackingOptions <TDbContext> options,
AgentInfo agentInfo,
IServiceProvider services)
: base(services)
{
Options = options;
AgentInfo = agentInfo;
// ReSharper disable once VirtualMemberCallInConstructor
ReplaceNextEventTask();
}
