StateMachineWorkflowInstance(WorkflowRuntime, Guid) Oluşturucu

Tanım

Ad Alanı:

System.Workflow.Activities

Bütünleştirilmiş Kod:

System.Workflow.Activities.dll

StateMachineWorkflowInstance sınıfının yeni bir örneğini başlatır.

public:
 StateMachineWorkflowInstance(System::Workflow::Runtime::WorkflowRuntime ^ runtime, Guid instanceId);

public StateMachineWorkflowInstance (System.Workflow.Runtime.WorkflowRuntime runtime, Guid instanceId);

new System.Workflow.Activities.StateMachineWorkflowInstance : System.Workflow.Runtime.WorkflowRuntime * Guid -> System.Workflow.Activities.StateMachineWorkflowInstance

Public Sub New (runtime As WorkflowRuntime, instanceId As Guid)

Parametreler

runtime

WorkflowRuntime

Geçerli iş akışı çalışma zamanı.

instanceId

Guid

örneğini GuidStateMachineWorkflowActivitygösteren.

Özel durumlar

ArgumentNullException

runtime bir null başvurudur (Nothing Visual Basic'te).

veya

instanceId boş Guidbir .

Örnekler

Aşağıdaki örnekte, bir StateMachineWorkflowInstance nesnenin yeni bir örneğinin nasıl oluşturulacağı gösterilmektedir. Bu örnek, Durum Makinesi SDK'sını Sıralama örneğindendir. Daha fazla bilgi için bkz . Durum Makinesi Örneğini Sıralama.

try
{
    List<SqlTrackingWorkflowInstance> queriedWorkflows = new List<SqlTrackingWorkflowInstance>();
    SqlTrackingQuery sqlTrackingQuery = new SqlTrackingQuery(connectionString);
    SqlTrackingQueryOptions sqlTrackingQueryOptions = new SqlTrackingQueryOptions();
    sqlTrackingQueryOptions.StatusMinDateTime = from.ToUniversalTime();
    sqlTrackingQueryOptions.StatusMaxDateTime = until.ToUniversalTime();
    // If QualifiedName, FieldName, or DataValue is not supplied, we will not query since they are all required to match
    if (!((string.Empty == trackingDataItemValue.QualifiedName) || (string.Empty == trackingDataItemValue.FieldName) || ((string.Empty == trackingDataItemValue.DataValue))))
        sqlTrackingQueryOptions.TrackingDataItems.Add(trackingDataItemValue);

    queriedWorkflows.Clear();

    if ("created" == workflowEvent.ToLower(CultureInfo.InvariantCulture))
    {
        sqlTrackingQueryOptions.WorkflowStatus = WorkflowStatus.Created;
        queriedWorkflows.AddRange(sqlTrackingQuery.GetWorkflows(sqlTrackingQueryOptions));
    }
    else if ("completed" == workflowEvent.ToLower(CultureInfo.InvariantCulture))
    {
        sqlTrackingQueryOptions.WorkflowStatus = WorkflowStatus.Completed;
        queriedWorkflows.AddRange(sqlTrackingQuery.GetWorkflows(sqlTrackingQueryOptions));
    }
    else if ("running" == workflowEvent.ToLower(CultureInfo.InvariantCulture))
    {
        sqlTrackingQueryOptions.WorkflowStatus = WorkflowStatus.Running;
        queriedWorkflows.AddRange(sqlTrackingQuery.GetWorkflows(sqlTrackingQueryOptions));
    }
    else if ("suspended" == workflowEvent.ToLower(CultureInfo.InvariantCulture))
    {
        sqlTrackingQueryOptions.WorkflowStatus = WorkflowStatus.Suspended;
        queriedWorkflows.AddRange(sqlTrackingQuery.GetWorkflows(sqlTrackingQueryOptions));
    }
    else if ("terminated" == workflowEvent.ToLower(CultureInfo.InvariantCulture))
    {
        sqlTrackingQueryOptions.WorkflowStatus = WorkflowStatus.Terminated;
        queriedWorkflows.AddRange(sqlTrackingQuery.GetWorkflows(sqlTrackingQueryOptions));
    }
    else if (("all" == workflowEvent.ToLower(CultureInfo.InvariantCulture)) || string.IsNullOrEmpty(workflowEvent))
    {
        sqlTrackingQueryOptions.WorkflowStatus = WorkflowStatus.Created;
        queriedWorkflows.AddRange(sqlTrackingQuery.GetWorkflows(sqlTrackingQueryOptions));

        sqlTrackingQueryOptions.WorkflowStatus = WorkflowStatus.Completed;
        queriedWorkflows.AddRange(sqlTrackingQuery.GetWorkflows(sqlTrackingQueryOptions));

        sqlTrackingQueryOptions.WorkflowStatus = WorkflowStatus.Running;
        queriedWorkflows.AddRange(sqlTrackingQuery.GetWorkflows(sqlTrackingQueryOptions));

        sqlTrackingQueryOptions.WorkflowStatus = WorkflowStatus.Suspended;
        queriedWorkflows.AddRange(sqlTrackingQuery.GetWorkflows(sqlTrackingQueryOptions));

        sqlTrackingQueryOptions.WorkflowStatus = WorkflowStatus.Terminated;
        queriedWorkflows.AddRange(sqlTrackingQuery.GetWorkflows(sqlTrackingQueryOptions));
    }
    return queriedWorkflows;
}
catch (Exception exception)
{
    throw new Exception("Exception in GetWorkflows", exception);
}