Beispiel #1
0
 public void ImportCustomers(JObject json)
 {
     using (var db = _transaction.CreateDbContext <StoreContext>())
     {
         // Import customers
         db.SaveChanges();
     }
 }
 /// <summary>
 /// Creates a new DbContext of type <typeparamref name="TContext"/> using the provided activator function.
 /// The activator receives the transaction scope's <see cref="IServiceProvider"/> as a parameter.
 /// </summary>
 /// <typeparam name="TContext">The context type</typeparam>
 /// <param name="scope">The transaction scope</param>
 /// <param name="activator">The activator to use for creating the instance</param>
 /// <returns>The new <typeparamref name="TContext"/> instance</returns>
 /// <remarks>
 /// Use this extension method when the context has additional constructor parameters which cannot be determined
 /// at the time of creating the transaction scope, while still resolving all other parameters from the DI container.
 /// </remarks>
 public static TContext CreateDbContext <TContext>(
     [NotNull] this IDbContextTransactionScope scope,
     [NotNull] Func <DbContextOptions <TContext>, IServiceProvider, TContext> activator) where TContext : DbContext
 {
     if (scope == null)
     {
         throw new ArgumentNullException(nameof(scope));
     }
     if (activator == null)
     {
         throw new ArgumentNullException(nameof(activator));
     }
     return(scope.CreateDbContext <TContext>(options => activator(options, scope.GetInfrastructure <IServiceProvider>())));
 }