/// <summary>
/// Initializes a new instance of the <see cref="WorkflowModel" /> class.
/// </summary>
/// <param name="view"> The view. </param>
internal WorkflowModel(IWorkflowView view)
{
this.view = view;
this.Workflows = new ObservableCollection<WorkflowInstance>();
}
/// <summary>
/// Loads the instances
/// </summary>
/// <param name="workflowView"> The view. </param>
internal void LoadInstances(IWorkflowView workflowView)
{
Contract.Requires(workflowView != null);
if (workflowView == null)
{
throw new ArgumentNullException("workflowView");
}
this.EnsureInstanceStoreExists();
var instances = StateTracker.LoadInstances(
WorkflowInstance.StateMachineExampleDefintion, ConnectionString);
if (instances != null)
{
foreach (var stateMachineStateTracker in instances)
{
this.Workflows.Add(new WorkflowInstance(this, stateMachineStateTracker));
}
WorkflowTrace.Information(
string.Format(
"Loaded {0} instance{1} from instance store",
this.Workflows.Count,
this.Workflows.Count != 1 ? "s" : string.Empty));
}
else
{
WorkflowTrace.Information("Error loading instances");
}
}
