private void cmdUpdateInstance_Click(object sender, RoutedEventArgs e)
{
SqlWorkflowInstanceStore instanceStore = new SqlWorkflowInstanceStore();
instanceStore.ConnectionString =
@"Data Source=(LocalDB)\v11.0;Initial Catalog=WFPersist;Integrated Security=True";
WorkflowApplicationInstance wfInstance =
WorkflowApplication.GetInstance(new Guid(txtUpdateInstance.Text), instanceStore);
DataContractSerializer s = new DataContractSerializer(typeof(DynamicUpdateMap));
using (FileStream fs = File.Open(txtUpdateMapFile.Text, FileMode.Open))
{
updateMap = s.ReadObject(fs) as DynamicUpdateMap;
}
var wfApp =
new WorkflowApplication(new MovieRentalProcess(),
new WorkflowIdentity
{
Name = "v2MovieRentalProcess",
Version = new System.Version(2, 0, 0, 0)
});
IList <ActivityBlockingUpdate> act;
if (wfInstance.CanApplyUpdate(updateMap, out act))
{
wfApp.Load(wfInstance, updateMap);
wfApp.Unload();
}
}
/// <summary>
///
/// </summary>
/// <param name="definitionPath"></param>
/// <param name="mapPath"></param>
/// <param name="connectionString"></param>
/// <param name="instanceId"></param>
public static void Update(String definitionPath, String mapPath, String connectionString, Guid instanceId)
{
// Store
SqlWorkflowInstanceStore instanceStore = new SqlWorkflowInstanceStore
{
ConnectionString = connectionString
};
// Instance to update
WorkflowApplicationInstance wfInstance = WorkflowApplication.GetInstance(instanceId, instanceStore);
// Load update map
DynamicUpdateMap updateMap;
DataContractSerializer s = new DataContractSerializer(typeof(DynamicUpdateMap));
using (FileStream fs = File.Open(mapPath, FileMode.Open))
{
updateMap = s.ReadObject(fs) as DynamicUpdateMap;
}
// if (updateMap == null) return; // Throw
WorkflowApplication wfApp =
new WorkflowApplication(LoadActivityBuilder(definitionPath).Implementation);
IList <ActivityBlockingUpdate> act;
if (wfInstance.CanApplyUpdate(updateMap, out act))
{
wfApp.Load(wfInstance, updateMap);
wfApp.Unload();
}
}