void m_changeGroups_CollectionChanged(object sender, NotifyCollectionChangedEventArgs e)
{
if (e.Action == System.Collections.Specialized.NotifyCollectionChangedAction.Add)
{
foreach (var v in e.NewItems)
{
DualChangeGroupViewModel changeGroup = v as DualChangeGroupViewModel;
if (changeGroup.ChangeGroupHeight > MaxHeight)
{
MaxHeight = changeGroup.ChangeGroupHeight;
}
}
}
}
void m_worker_DoWork(object sender, DoWorkEventArgs e)
{
// migration instruction status
int analysisMIStatus = (int)ChangeStatus.AnalysisMigrationInstruction;
int pendingStatus = (int)ChangeStatus.Pending;
int inProgressStatus = (int)ChangeStatus.InProgress;
int pendingConflictDetectStatus = (int)ChangeStatus.PendingConflictDetection;
int completedStatus = (int)ChangeStatus.Complete;
RaisePropertyChangedEvent("CanGetNext", null, null);
int numToTake = (int)e.Argument;
m_worker.ReportProgress(-1);
long lastChangeGroupTaken;
if (numToTake > 0)
{
lastChangeGroupTaken = ChangeGroups.Select(x => x.MigrationInstructions.Id).LastOrDefault();
}
else
{
lastChangeGroupTaken = ChangeGroups.Select(x => x.MigrationInstructions.Id).FirstOrDefault();
}
IQueryable <RTChangeGroup> migrationInstructionsQuery;
if (lastChangeGroupTaken == 0) // haven't gotten anything yet
{
long pendingChangeGroup = (from cg in m_context.RTChangeGroupSet
where cg.SourceUniqueId.Equals(m_oneWaySession.Target.UniqueId) &&
cg.SessionUniqueId.Equals(m_oneWaySession.Session.SessionUniqueId) &&
(cg.Status == (int)ChangeStatus.Pending || cg.Status == (int)ChangeStatus.InProgress) &&
!cg.ContainsBackloggedAction
orderby cg.Id ascending
select cg.Id).FirstOrDefault();
int lastSessionRunId = 0;
if (pendingChangeGroup == 0)
{
lastSessionRunId = (from cg in m_context.RTChangeGroupSet
where cg.SourceUniqueId.Equals(m_oneWaySession.Target.UniqueId) &&
cg.SessionUniqueId.Equals(m_oneWaySession.Session.SessionUniqueId) &&
(cg.Status == (int)ChangeStatus.Pending || cg.Status == (int)ChangeStatus.InProgress) &&
!cg.ContainsBackloggedAction
select cg.SessionRun.Id).FirstOrDefault();
if (lastSessionRunId == 0)
{
var lastSessionRunQuery = (from cg in m_context.RTChangeGroupSet
where cg.SessionUniqueId.Equals(m_oneWaySession.Session.SessionUniqueId) &&
cg.SourceUniqueId.Equals(m_oneWaySession.Source.UniqueId)
orderby cg.SessionRun.Id descending
select cg.SessionRun.Id).Take(Math.Abs(numToTake));
if (lastSessionRunQuery.Count() != 0)
{
lastSessionRunId = lastSessionRunQuery.Min();
}
}
}
migrationInstructionsQuery = from cg in m_context.RTChangeGroupSet
where cg.SourceUniqueId.Equals(m_oneWaySession.Target.UniqueId) &&
cg.SessionUniqueId.Equals(m_oneWaySession.Session.SessionUniqueId) &&
(cg.Status == analysisMIStatus || cg.Status == pendingStatus ||
cg.Status == inProgressStatus || cg.Status == pendingConflictDetectStatus ||
cg.Status == completedStatus) &&
cg.Id >= pendingChangeGroup &&
cg.SessionRun.Id >= lastSessionRunId
select cg;
}
else if (numToTake > 0)
{
migrationInstructionsQuery = from cg in m_context.RTChangeGroupSet
where cg.SourceUniqueId.Equals(m_oneWaySession.Target.UniqueId) &&
cg.SessionUniqueId.Equals(m_oneWaySession.Session.SessionUniqueId) &&
(cg.Status == analysisMIStatus || cg.Status == pendingStatus ||
cg.Status == inProgressStatus || cg.Status == pendingConflictDetectStatus ||
cg.Status == completedStatus) &&
cg.Id > lastChangeGroupTaken
orderby cg.Id ascending
select cg;
}
else
{
migrationInstructionsQuery = from cg in m_context.RTChangeGroupSet
where cg.SourceUniqueId.Equals(m_oneWaySession.Target.UniqueId) &&
cg.SessionUniqueId.Equals(m_oneWaySession.Session.SessionUniqueId) &&
(cg.Status == analysisMIStatus || cg.Status == pendingStatus ||
cg.Status == inProgressStatus || cg.Status == pendingConflictDetectStatus ||
cg.Status == completedStatus) &&
cg.Id < lastChangeGroupTaken
orderby cg.Id descending
select cg;
}
int migrationInstructionsCount = migrationInstructionsQuery.Count();
var migrationInstructionsSubset = migrationInstructionsQuery.Take(Math.Abs(numToTake));
int total;
if (migrationInstructionsCount < Math.Abs(numToTake))
{
total = migrationInstructionsCount;
e.Result = false; // do not refresh afterwards
}
else
{
total = numToTake;
e.Result = true; // try to refresh afterwards
}
if (numToTake > 0)
{
// dt means deltaTables
var pairs = from mi in migrationInstructionsSubset
join dt in m_context.RTChangeGroupSet
on mi.ReflectedChangeGroupId equals dt.Id
join ca in m_context.RTChangeActionSet
on dt.Id equals ca.ChangeGroupId into j
orderby dt.Id ascending
select new
{
Left = dt,
Right = mi,
Count = j.Count()
};
int currentProgress = 0;
int counter = 0;
foreach (var entry in pairs)
{
DualChangeGroupViewModel changeGroup = new DualChangeGroupViewModel(entry.Left, entry.Right, entry.Count);
if (changeGroup.Bucket > maxBucket)
{
maxBucket = changeGroup.Bucket;
if (ChangeGroups.Count == 0)
{
minBucket = maxBucket;
}
else
{
if (counter > 10)
{
changeGroup.IsMilestone = true;
counter = 0;
}
}
}
counter++;
m_dispatcher.BeginInvoke(new UpdateProgressDelegate(delegate { ChangeGroups.AddLast(changeGroup); }), changeGroup);
currentProgress++;
m_worker.ReportProgress((int)((double)currentProgress / (double)total * 100));
}
}
else
{
// dt means deltaTables
var pairs = from mi in migrationInstructionsSubset
join dt in m_context.RTChangeGroupSet
on mi.ReflectedChangeGroupId equals dt.Id
join ca in m_context.RTChangeActionSet
on dt.Id equals ca.ChangeGroupId into j
orderby dt.Id descending
select new
{
Left = dt,
Right = mi,
Count = j.Count()
};
int currentProgress = 0;
DualChangeGroupViewModel lastChangeGroup = null;
int counter = 0;
foreach (var entry in pairs)
{
DualChangeGroupViewModel changeGroup = new DualChangeGroupViewModel(entry.Left, entry.Right, entry.Count);
if (changeGroup.Bucket != 0 && changeGroup.Bucket < minBucket)
{
minBucket = changeGroup.Bucket;
if (lastChangeGroup != null)
{
if (counter > 10)
{
lastChangeGroup.IsMilestone = true;
counter = 0;
}
}
}
counter++;
m_dispatcher.BeginInvoke(new UpdateProgressDelegate(delegate { ChangeGroups.AddFirst(changeGroup); }), changeGroup);
currentProgress++;
m_worker.ReportProgress((int)((double)currentProgress / (double)total * 100));
lastChangeGroup = changeGroup;
}
}
m_worker.ReportProgress(100);
}