static void Main(string[] args)
{
SqlWorkflowInstanceStore store = new SqlWorkflowInstanceStore(connectionString);
WorkflowApplication.CreateDefaultInstanceOwner(store, null, WorkflowIdentityFilter.Any);
IDictionary <WorkflowIdentity, DynamicUpdateInfo> updateMaps = LoadMaps();
foreach (Guid id in GetIds())
{
// Get a proxy to the instance.
WorkflowApplicationInstance instance =
WorkflowApplication.GetInstance(id, store);
Console.WriteLine("Inspecting: {0}", instance.DefinitionIdentity);
// Only update v1 workflows.
if (instance.DefinitionIdentity != null &&
instance.DefinitionIdentity.Version.Equals(new Version(1, 0, 0, 0)))
{
DynamicUpdateInfo info = updateMaps[instance.DefinitionIdentity];
// Associate the persisted WorkflowApplicationInstance with
// a WorkflowApplication that is configured with the updated
// definition and updated WorkflowIdentity.
Activity wf = WorkflowVersionMap.GetWorkflowDefinition(info.newIdentity);
WorkflowApplication wfApp =
new WorkflowApplication(wf, info.newIdentity);
// Apply the Dynamic Update.
wfApp.Load(instance, info.updateMap);
// Persist the updated instance.
wfApp.Unload();
Console.WriteLine("Updated to: {0}", info.newIdentity);
}
else
{
// Not updating this instance, so unload it.
instance.Abandon();
}
}
}
static IDictionary <WorkflowIdentity, DynamicUpdateInfo> LoadMaps()
{
// There are 3 update maps to describe the changes to update v1 workflows,
// one for reach of the 3 workflow types in the tutorial.
Dictionary <WorkflowIdentity, DynamicUpdateInfo> maps =
new Dictionary <WorkflowIdentity, DynamicUpdateInfo>();
DynamicUpdateMap sequentialMap = LoadMap("SequentialNumberGuessWorkflow.map");
DynamicUpdateInfo sequentialInfo = new DynamicUpdateInfo
{
updateMap = sequentialMap,
newIdentity = WorkflowVersionMap.SequentialNumberGuessIdentity_v15
};
maps.Add(WorkflowVersionMap.SequentialNumberGuessIdentity_v1, sequentialInfo);
DynamicUpdateMap stateMap = LoadMap("StateMachineNumberGuessWorkflow.map");
DynamicUpdateInfo stateInfo = new DynamicUpdateInfo
{
updateMap = stateMap,
newIdentity = WorkflowVersionMap.StateMachineNumberGuessIdentity_v15
};
maps.Add(WorkflowVersionMap.StateMachineNumberGuessIdentity_v1, stateInfo);
DynamicUpdateMap flowchartMap = LoadMap("FlowchartNumberGuessWorkflow.map");
DynamicUpdateInfo flowchartInfo = new DynamicUpdateInfo
{
updateMap = flowchartMap,
newIdentity = WorkflowVersionMap.FlowchartNumberGuessIdentity_v15
};
maps.Add(WorkflowVersionMap.FlowchartNumberGuessIdentity_v1, flowchartInfo);
return(maps);
}
