Compensator.AbortRecord(LogRecord) Metodo

Definizione

Spazio dei nomi:

System.EnterpriseServices.CompensatingResourceManager

Assembly:

System.EnterpriseServices.dll

Recapita un record del log per la classe Compensator CRM (Compensating Resource Manager) durante la fase di interruzione.

public:
 virtual bool AbortRecord(System::EnterpriseServices::CompensatingResourceManager::LogRecord ^ rec);

public virtual bool AbortRecord (System.EnterpriseServices.CompensatingResourceManager.LogRecord rec);

abstract member AbortRecord : System.EnterpriseServices.CompensatingResourceManager.LogRecord -> bool
override this.AbortRecord : System.EnterpriseServices.CompensatingResourceManager.LogRecord -> bool

Public Overridable Function AbortRecord (rec As LogRecord) As Boolean

Parametri

rec

LogRecord

Il record del log da recapitare.

Restituisce

Boolean

true se il record recapitato deve essere omesso, in caso contrario, false.

Esempio

Nell'esempio di codice seguente viene illustrata l'implementazione di questo metodo.

public:
    virtual bool AbortRecord(LogRecord^ log) override
    {

        // Check the validity of the record.
        if (log == nullptr)
        {
            return true;
        }
        array<Object^>^ record = dynamic_cast<array<Object^>^>(log->Record);
        if (record == nullptr)
        {
            return true;
        }
        if (record->Length != 2)
        {
            return true;
        }

        // Extract old account data from the record.
        String^ filename = (String^) record[0];
        int balance = (int) record[1];

        // Restore the old state of the account.
        WriteAccountBalance(filename, balance);

        return false;
    }

public override bool AbortRecord (LogRecord log)
{

    // Check the validity of the record.
    if (log == null) return(true);
    Object[] record = log.Record as Object[];
    if (record == null) return(true);
    if (record.Length != 2) return(true);

    // Extract old account data from the record.
    string filename = (string) record[0];
    int balance = (int) record[1];

    // Restore the old state of the account.
    AccountManager.WriteAccountBalance(filename, balance);

    return(false);
}

Public Overrides Function AbortRecord(ByVal log As LogRecord) As Boolean 
    
    ' Check the validity of the record.
    If log Is Nothing Then
        Return True
    End If
    Dim record As [Object]() = log.Record
    
    If record Is Nothing Then
        Return True
    End If
    If record.Length <> 2 Then
        Return True
    End If 
    ' Extract old account data from the record.
    Dim filename As String = CStr(record(0))
    Dim balance As Integer = Fix(record(1))
    
    ' Restore the old state of the account.
    AccountManager.WriteAccountBalance(filename, balance)
    
    Return False

End Function 'AbortRecord