PreparingEnlistment.ForceRollback Méthode

Définition

Espace de noms:

System.Transactions

Assembly:

System.Transactions.Local.dll

Assembly:

System.Transactions.dll

Assembly:

netstandard.dll

Indique que la transaction doit être restaurée.

Surcharges

ForceRollback()	Indique que la transaction doit être restaurée.
ForceRollback(Exception)	Indique que la transaction doit être restaurée.

ForceRollback()

Indique que la transaction doit être restaurée.

public:
 void ForceRollback();

public void ForceRollback ();

member this.ForceRollback : unit -> unit

Public Sub ForceRollback ()

Exemples

class myEnlistmentClass : IEnlistmentNotification
{
    public void Prepare(PreparingEnlistment preparingEnlistment)
    {
        Console.WriteLine("Prepare notification received");

        //Perform transactional work

        //If work finished correctly, reply prepared
        preparingEnlistment.Prepared();

        // otherwise, do a ForceRollback
        preparingEnlistment.ForceRollback();
    }

    public void Commit(Enlistment enlistment)
    {
        Console.WriteLine("Commit notification received");

        //Do any work necessary when commit notification is received

        //Declare done on the enlistment
        enlistment.Done();
    }

    public void Rollback(Enlistment enlistment)
    {
        Console.WriteLine("Rollback notification received");

        //Do any work necessary when rollback notification is received

        //Declare done on the enlistment
        enlistment.Done();
    }

    public void InDoubt(Enlistment enlistment)
    {
        Console.WriteLine("In doubt notification received");

        //Do any work necessary when indout notification is received
        
        //Declare done on the enlistment
        enlistment.Done();
    }
}

Public Class EnlistmentClass
    Implements IEnlistmentNotification

    Public Sub Prepare(ByVal myPreparingEnlistment As PreparingEnlistment) Implements System.Transactions.IEnlistmentNotification.Prepare
        Console.WriteLine("Prepare notification received")

        'Perform transactional work

        'If work finished correctly, reply with prepared
        myPreparingEnlistment.Prepared()
    End Sub

    Public Sub Commit(ByVal myEnlistment As Enlistment) Implements System.Transactions.IEnlistmentNotification.Commit
        Console.WriteLine("Commit notification received")

        'Do any work necessary when commit notification is received

        'Declare done on the enlistment
        myEnlistment.Done()
    End Sub

    Public Sub Rollback(ByVal myEnlistment As Enlistment) Implements System.Transactions.IEnlistmentNotification.Rollback
        Console.WriteLine("Rollback notification received")

        'Do any work necessary when rollback notification is received

        'Declare done on the enlistment
        myEnlistment.Done()
    End Sub

    Public Sub InDoubt(ByVal myEnlistment As Enlistment) Implements System.Transactions.IEnlistmentNotification.InDoubt
        Console.WriteLine("In doubt notification received")

        'Do any work necessary when indout notification is received

        'Declare done on the enlistment
        myEnlistment.Done()
    End Sub
End Class

Remarques

Une implémentation de la méthode de l’interface Prepare IEnlistmentNotification appelle cette méthode pour indiquer que la transaction doit être annulée.

ForceRollback(Exception)

Indique que la transaction doit être restaurée.

public:
 void ForceRollback(Exception ^ e);

public:
 void ForceRollback(Exception ^ ex);

public void ForceRollback (Exception? e);

public void ForceRollback (Exception e);

public void ForceRollback (Exception ex);

member this.ForceRollback : Exception -> unit

member this.ForceRollback : Exception -> unit

Public Sub ForceRollback (e As Exception)

Public Sub ForceRollback (ex As Exception)

Paramètres

eex

Exception

Explication sur la raison pour laquelle une restauration est déclenchée.