IDbConnectionInterceptor.ConnectionOpeningAsync Yöntem

Başvuru

Tanım

Ad Alanı:: Microsoft.EntityFrameworkCore.Diagnostics

Bütünleştirilmiş Kod:: Microsoft.EntityFrameworkCore.Relational.dll

Paket:: Microsoft.EntityFrameworkCore.Relational v3.0.0

Paket:: Microsoft.EntityFrameworkCore.Relational v3.1.0

Paket:: Microsoft.EntityFrameworkCore.Relational v5.0.0

Paket:: Microsoft.EntityFrameworkCore.Relational v6.0.0

Paket:: Microsoft.EntityFrameworkCore.Relational v7.0.0

Paket:: Microsoft.EntityFrameworkCore.Relational v8.0.0

Önemli

Bazı bilgiler ürünün ön sürümüyle ilgilidir ve sürüm öncesinde önemli değişiklikler yapılmış olabilir. Burada verilen bilgilerle ilgili olarak Microsoft açık veya zımni hiçbir garanti vermez.

EF çağrısı yapmadan hemen önce çağrılır OpenAsync().

public System.Threading.Tasks.Task<Microsoft.EntityFrameworkCore.Diagnostics.InterceptionResult> ConnectionOpeningAsync (System.Data.Common.DbConnection connection, Microsoft.EntityFrameworkCore.Diagnostics.ConnectionEventData eventData, Microsoft.EntityFrameworkCore.Diagnostics.InterceptionResult result, System.Threading.CancellationToken cancellationToken = default);

public System.Threading.Tasks.ValueTask<Microsoft.EntityFrameworkCore.Diagnostics.InterceptionResult> ConnectionOpeningAsync (System.Data.Common.DbConnection connection, Microsoft.EntityFrameworkCore.Diagnostics.ConnectionEventData eventData, Microsoft.EntityFrameworkCore.Diagnostics.InterceptionResult result, System.Threading.CancellationToken cancellationToken = default);

public virtual System.Threading.Tasks.ValueTask<Microsoft.EntityFrameworkCore.Diagnostics.InterceptionResult> ConnectionOpeningAsync (System.Data.Common.DbConnection connection, Microsoft.EntityFrameworkCore.Diagnostics.ConnectionEventData eventData, Microsoft.EntityFrameworkCore.Diagnostics.InterceptionResult result, System.Threading.CancellationToken cancellationToken = default);

abstract member ConnectionOpeningAsync : System.Data.Common.DbConnection * Microsoft.EntityFrameworkCore.Diagnostics.ConnectionEventData * Microsoft.EntityFrameworkCore.Diagnostics.InterceptionResult * System.Threading.CancellationToken -> System.Threading.Tasks.Task<Microsoft.EntityFrameworkCore.Diagnostics.InterceptionResult>

abstract member ConnectionOpeningAsync : System.Data.Common.DbConnection * Microsoft.EntityFrameworkCore.Diagnostics.ConnectionEventData * Microsoft.EntityFrameworkCore.Diagnostics.InterceptionResult * System.Threading.CancellationToken -> System.Threading.Tasks.ValueTask<Microsoft.EntityFrameworkCore.Diagnostics.InterceptionResult>

abstract member ConnectionOpeningAsync : System.Data.Common.DbConnection * Microsoft.EntityFrameworkCore.Diagnostics.ConnectionEventData * Microsoft.EntityFrameworkCore.Diagnostics.InterceptionResult * System.Threading.CancellationToken -> System.Threading.Tasks.ValueTask<Microsoft.EntityFrameworkCore.Diagnostics.InterceptionResult>
override this.ConnectionOpeningAsync : System.Data.Common.DbConnection * Microsoft.EntityFrameworkCore.Diagnostics.ConnectionEventData * Microsoft.EntityFrameworkCore.Diagnostics.InterceptionResult * System.Threading.CancellationToken -> System.Threading.Tasks.ValueTask<Microsoft.EntityFrameworkCore.Diagnostics.InterceptionResult>

Public Function ConnectionOpeningAsync (connection As DbConnection, eventData As ConnectionEventData, result As InterceptionResult, Optional cancellationToken As CancellationToken = Nothing) As Task(Of InterceptionResult)

Public Function ConnectionOpeningAsync (connection As DbConnection, eventData As ConnectionEventData, result As InterceptionResult, Optional cancellationToken As CancellationToken = Nothing) As ValueTask(Of InterceptionResult)

Public Overridable Function ConnectionOpeningAsync (connection As DbConnection, eventData As ConnectionEventData, result As InterceptionResult, Optional cancellationToken As CancellationToken = Nothing) As ValueTask(Of InterceptionResult)

Parametreler

connection: DbConnection

Bağlantı.

eventData: ConnectionEventData

Bağlantı hakkında bağlamsal bilgiler.

result: InterceptionResult

Varsa geçerli sonucu temsil eder. Önceki bir kesme noktası çağrısı Suppress()yaparak yürütmeyi engellediyse bu değer IsSuppressed olarak ayarlanırtrue. Bu değer genellikle bu yöntemin uygulanması için dönüş değeri olarak kullanılır.

cancellationToken: CancellationToken

CancellationToken Görevin tamamlanmasını beklerken gözlemlemek için bir.

Döndürülenler

Task<InterceptionResult>

ValueTask<InterceptionResult>

ise IsSuppressedfalseEF normal şekilde devam eder. ise IsSuppressedtrue, EF gerçekleştirmek üzere olduğu işlemi bastırır. İşlemi gizlemeye çalışmayan herhangi bir kesme noktası için bu yöntemin bir uygulaması, geçirilen değeri döndürmektir result .

Özel durumlar

OperationCanceledException

CancellationToken İptal edilirse.

Şunlara uygulanır

Aracılığıyla paylaş