IDbTransactionInterceptor.TransactionStartingAsync(DbConnection, TransactionStartingEventData, InterceptionResult<DbTransaction>, CancellationToken) Yöntem

Tanım

EF çağrısı yapmak için hemen önce BeginTransactionAsync(IsolationLevel, CancellationToken) çağrılır.

public System.Threading.Tasks.Task<Microsoft.EntityFrameworkCore.Diagnostics.InterceptionResult<System.Data.Common.DbTransaction>> TransactionStartingAsync (System.Data.Common.DbConnection connection, Microsoft.EntityFrameworkCore.Diagnostics.TransactionStartingEventData eventData, Microsoft.EntityFrameworkCore.Diagnostics.InterceptionResult<System.Data.Common.DbTransaction> result, System.Threading.CancellationToken cancellationToken = default);
public System.Threading.Tasks.ValueTask<Microsoft.EntityFrameworkCore.Diagnostics.InterceptionResult<System.Data.Common.DbTransaction>> TransactionStartingAsync (System.Data.Common.DbConnection connection, Microsoft.EntityFrameworkCore.Diagnostics.TransactionStartingEventData eventData, Microsoft.EntityFrameworkCore.Diagnostics.InterceptionResult<System.Data.Common.DbTransaction> result, System.Threading.CancellationToken cancellationToken = default);
abstract member TransactionStartingAsync : System.Data.Common.DbConnection * Microsoft.EntityFrameworkCore.Diagnostics.TransactionStartingEventData * Microsoft.EntityFrameworkCore.Diagnostics.InterceptionResult<System.Data.Common.DbTransaction> * System.Threading.CancellationToken -> System.Threading.Tasks.Task<Microsoft.EntityFrameworkCore.Diagnostics.InterceptionResult<System.Data.Common.DbTransaction>>
abstract member TransactionStartingAsync : System.Data.Common.DbConnection * Microsoft.EntityFrameworkCore.Diagnostics.TransactionStartingEventData * Microsoft.EntityFrameworkCore.Diagnostics.InterceptionResult<System.Data.Common.DbTransaction> * System.Threading.CancellationToken -> System.Threading.Tasks.ValueTask<Microsoft.EntityFrameworkCore.Diagnostics.InterceptionResult<System.Data.Common.DbTransaction>>
Public Function TransactionStartingAsync (connection As DbConnection, eventData As TransactionStartingEventData, result As InterceptionResult(Of DbTransaction), Optional cancellationToken As CancellationToken = Nothing) As Task(Of InterceptionResult(Of DbTransaction))
Public Function TransactionStartingAsync (connection As DbConnection, eventData As TransactionStartingEventData, result As InterceptionResult(Of DbTransaction), Optional cancellationToken As CancellationToken = Nothing) As ValueTask(Of InterceptionResult(Of DbTransaction))

Parametreler

connection
DbConnection

Bağlantı.

eventData
TransactionStartingEventData

Bağlantı ve işlem hakkında bağlamsal bilgiler.

result
InterceptionResult<DbTransaction>

Varsa geçerli sonucu temsil eder. Bu değer, önceki HasResult bir kesme true noktası çağrılarak yürütmeyi bastırmışsa olarak SuppressWithResult(TResult) ayarlanmıştır. Bu değer genellikle bu yöntemin uygulanması için dönüş değeri olarak kullanılır.

cancellationToken
CancellationToken

Görevin CancellationToken tamamlandıktan sonra gözlemlemek için bir.

Döndürülenler

Task<InterceptionResult<DbTransaction>>
ValueTask<InterceptionResult<DbTransaction>>

false ise EF normal HasResult şekilde devam eder. true HasResult ise EF, gerçekleştirmek üzere olduğu işlemi bastırarak bunun yerine Result kullanır. Sonucu değiştirmeye çalışan herhangi bir kesme noktası için bu yöntemin normal bir uygulaması, geçirilen değeri genellikle kullanarak result geri dönmektir FromResult<TResult>(TResult)

Özel durumlar

Şunlara uygulanır