PreparingEnlistment.ForceRollback 方法

定义

命名空间:

System.Transactions

程序集:

System.Transactions.Local.dll

程序集:

System.Transactions.dll

程序集:

netstandard.dll

指示应回滚事务。

重载

ForceRollback()	指示应回滚事务。
ForceRollback(Exception)	指示应回滚事务。

ForceRollback()

指示应回滚事务。

public:
 void ForceRollback();

public void ForceRollback ();

member this.ForceRollback : unit -> unit

Public Sub ForceRollback ()

示例

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

注解

接口方法的PrepareIEnlistmentNotification实现调用此方法以指示必须回滚事务。

ForceRollback(Exception)

指示应回滚事务。

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)

参数

eex

Exception

关于为何触发回滚的说明。