// AddRedisOperationLogChangeTracking
public static DbContextBuilder <TDbContext> AddRedisOperationLogChangeTracking <TDbContext>(
this DbContextBuilder <TDbContext> dbContextBuilder,
Action <IServiceProvider, RedisOperationLogChangeTrackingOptions <TDbContext> >?configureOptions = null)
where TDbContext : DbContext
{
var services = dbContextBuilder.Services;
services.TryAddSingleton(c => {
var options = new RedisOperationLogChangeTrackingOptions <TDbContext>();
configureOptions?.Invoke(c, options);
return(options);
});
// RedisOperationLogChangeTracker<TDbContext>
services.TryAddSingleton <RedisOperationLogChangeTracker <TDbContext> >();
services.AddHostedService(c =>
c.GetRequiredService <RedisOperationLogChangeTracker <TDbContext> >());
services.TryAddSingleton <IDbOperationLogChangeTracker <TDbContext> >(c =>
c.GetRequiredService <RedisOperationLogChangeTracker <TDbContext> >());
// RedisOperationLogChangeNotifier<TDbContext>
services.TryAddEnumerable(
ServiceDescriptor.Singleton <
IOperationCompletionListener,
RedisOperationLogChangeNotifier <TDbContext> >());
return(dbContextBuilder);
}
public RedisOperationLogChangeNotifier(
RedisOperationLogChangeTrackingOptions <TDbContext> options,
AgentInfo agentInfo,
IServiceProvider services)
: base(services)
{
Options = options;
AgentInfo = agentInfo;
RedisDb = Services.GetService <RedisDb <TDbContext> >() ?? Services.GetRequiredService <RedisDb>();
RedisPub = RedisDb.GetPub(options.PubSubKey);
Log.LogInformation("Using pub/sub key = '{Key}'", RedisPub.FullKey);
}
public RedisOperationLogChangeTracker(
RedisOperationLogChangeTrackingOptions <TDbContext> options,
AgentInfo agentInfo,
IServiceProvider services)
: base(services)
{
Options = options;
AgentInfo = agentInfo;
RedisDb = Services.GetService <RedisDb <TDbContext> >() ?? Services.GetRequiredService <RedisDb>();
RedisSub = RedisDb.GetChannelSub(options.PubSubKey);
Log.LogInformation("Using pub/sub key = '{Key}'", RedisSub.FullKey);
// ReSharper disable once VirtualMemberCallInConstructor
ReplaceNextEventTask();
}