/// <summary>
/// Helper method used to build a <see cref="TrackingWorkflowInstance" />
/// from the specified <see cref="IDataRecord" />.
/// </summary>
/// <param name="dataRecord">
/// An <see cref="IDataRecord" />.
/// </param>
/// <returns>
/// An instance of <see cref="TrackingWorkflowInstance" />.
/// </returns>
private TrackingWorkflowInstance buildTrackingWorkflowInstance(IDataRecord dataRecord, TrackingCommandName commandName)
{
String assemblyName = ValueReader.GetString(dataRecord,
_nameResolver.ResolveParameterName(commandName,
TrackingParameterName.AssemblyFullName));
String typeName = ValueReader.GetString(dataRecord,
_nameResolver.ResolveParameterName(commandName,
TrackingParameterName.TypeFullName));
return(new TrackingWorkflowInstance(
WorkflowInstanceHelper.DeserialiseActivity(ValueReader.GetString(
dataRecord, _nameResolver.ResolveParameterName(commandName,
TrackingParameterName.ActivityXoml))),
ValueReader.GetGuid(dataRecord, _nameResolver.ResolveParameterName(
commandName, TrackingParameterName.InstanceId)),
ValueReader.GetDateTime(dataRecord, _nameResolver.ResolveParameterName(
commandName, TrackingParameterName.InitialisedDateTime)),
ValueReader.GetValue(dataRecord, _nameResolver.ResolveParameterName(
commandName, TrackingParameterName.WorkflowInstanceId)),
ValueReader.GetGuid(dataRecord, _nameResolver.ResolveParameterName(
commandName, TrackingParameterName.CallerInstanceId)),
ValueReader.GetEnum <WorkflowStatus>(dataRecord,
_nameResolver.ResolveParameterName(commandName,
TrackingParameterName.WorkflowInstanceStatusId)),
Type.GetType(String.Format("{0}, {1}", assemblyName, typeName), false)));
}
/// <summary>
/// Build a summary of the workflow instance that this channel represents.
/// </summary>
/// <returns>
/// <see cref="WorkflowInstanceSummary" /> representing the workflow
/// instance.
/// </returns>
private WorkflowInstanceSummary buildWorkflowInstanceSummary()
{
bool isXomlWorkflow = WorkflowInstanceHelper.IsXomlWorkflow(
this.trackingParameters.RootActivity);
string xomlDocument = WorkflowInstanceHelper.GetXomlDocument(
this.trackingParameters.RootActivity);
WorkflowInstanceSummary workflowInstanceSummary = new WorkflowInstanceSummary(
this.trackingParameters.InstanceId, isXomlWorkflow,
xomlDocument, this.trackingParameters.ContextGuid,
this.trackingParameters.CallerInstanceId,
this.trackingParameters.CallerContextGuid,
this.trackingParameters.CallerParentContextGuid,
buildCallPath());
workflowInstanceSummary.WorkflowType = new WorkflowTypeSummary(
this.trackingParameters.WorkflowType);
workflowInstanceSummary.RootActivity = buildRootActivitySummary();
return(workflowInstanceSummary);
}
/// <summary>
/// Build a summary of the workflow instance that this channel represents.
/// </summary>
/// <returns>
/// <see cref="WorkflowInstanceSummary" /> representing the workflow
/// instance.
/// </returns>
private WorkflowInstanceSummary buildWorkflowInstanceSummary()
{
Boolean isXomlWorkflow = WorkflowInstanceHelper.IsXomlWorkflow(
_trackingParameters.RootActivity);
String xomlDocument = WorkflowInstanceHelper.SerialiseActivity(
_trackingParameters.RootActivity);
WorkflowInstanceSummary workflowInstanceSummary = new WorkflowInstanceSummary(
_trackingParameters.InstanceId, isXomlWorkflow,
xomlDocument, _trackingParameters.ContextGuid,
buildNullableGuid(_trackingParameters.CallerInstanceId),
buildNullableGuid(_trackingParameters.CallerContextGuid),
buildNullableGuid(_trackingParameters.CallerParentContextGuid),
buildCallPath());
workflowInstanceSummary.WorkflowType = new WorkflowTypeSummary(
_trackingParameters.WorkflowType);
workflowInstanceSummary.RootActivity = buildRootActivitySummary();
return(workflowInstanceSummary);
}
private static List <SerialisableActivityRemovedAction> buildSerialisableRemovedActivityAction(RemovedActivityAction action, int order)
{
List <SerialisableActivityRemovedAction> removedActivities = new List <SerialisableActivityRemovedAction>();
Queue <Activity> activityQueue = new Queue <Activity>();
activityQueue.Enqueue(action.OriginalRemovedActivity);
while (activityQueue.Count > 0)
{
// is this the first record?
Activity currentActivity = activityQueue.Dequeue();
if (currentActivity == action.OriginalRemovedActivity)
{
removedActivities.Add(new SerialisableActivityRemovedAction(
currentActivity.GetType(), currentActivity.QualifiedName,
currentActivity.Parent == null ? null : currentActivity.Parent.QualifiedName,
order, WorkflowInstanceHelper.GetXomlDocument(currentActivity)));
}
else
{
removedActivities.Add(new SerialisableActivityRemovedAction(
currentActivity.GetType(), currentActivity.QualifiedName,
currentActivity.Parent == null ? null : currentActivity.Parent.QualifiedName,
-1, WorkflowInstanceHelper.GetXomlDocument(currentActivity)));
}
CompositeActivity parentActivity = currentActivity as CompositeActivity;
if (parentActivity != null)
{
foreach (Activity childActivity in parentActivity.Activities)
{
activityQueue.Enqueue(childActivity);
}
}
}
return(removedActivities);
}
/// <summary>
/// Serialise a <see cref="AddedActivityAction" /> ready for persistence.
/// </summary>
/// <param name="action">
/// The original <see cref="AddedActivityAction" /> to serialise.
/// </param>
/// <param name="order">
/// Indicates the order the activity was added.
/// </param>
/// <returns>
/// A <see cref="SerialisableActivityAddedAction" /> containing a serialised
/// copy of the <see cref="AddedActivityAction" />.
/// </returns>
private static List <SerialisableActivityAddedAction> buildSerialisableAddedActivityAction(AddedActivityAction action, int order)
{
List <SerialisableActivityAddedAction> addedActivities = new List <SerialisableActivityAddedAction>();
Queue <Activity> activityQueue = new Queue <Activity>();
activityQueue.Enqueue(action.AddedActivity);
while (activityQueue.Count > 0)
{
Activity currentActivity = activityQueue.Dequeue();
if (currentActivity == action.AddedActivity)
{
// this the top-level activity
addedActivities.Add(new SerialisableActivityAddedAction(
currentActivity.GetType(), currentActivity.QualifiedName,
currentActivity.Parent == null ? null : currentActivity.Parent.QualifiedName,
order, WorkflowInstanceHelper.SerialiseActivity(currentActivity)));
}
else
{
addedActivities.Add(new SerialisableActivityAddedAction(
currentActivity.GetType(), currentActivity.QualifiedName,
currentActivity.Parent == null ? null : currentActivity.Parent.QualifiedName,
-1, WorkflowInstanceHelper.SerialiseActivity(currentActivity)));
}
CompositeActivity parentActivity = currentActivity as CompositeActivity;
if (parentActivity != null)
{
foreach (Activity childActivity in parentActivity.Activities)
{
activityQueue.Enqueue(childActivity);
}
}
}
return(addedActivities);
}
