public IEnumerable <IChange> Update(bool detectDataChanges)
{
var changes = new ConcurrentBag <IChange>();
var progress = new UpdateProgress {
CurrentOperation = "Structure",
TotalSteps = (detectDataChanges ? 2 : 1) * Previous.SheetDefinitions.Count
};
var sheetLock = new object();
Parallel.ForEach(Previous.SheetDefinitions, prevSheetDef =>
{
progress.CurrentFile = prevSheetDef.Name;
_Progress.Report(progress);
if (!_Updated.SheetExists(prevSheetDef.Name))
{
changes.Add(new SheetRemoved(prevSheetDef.Name));
return;
}
IRelationalSheet prevSheet, updatedSheet;
SheetDefinition updatedSheetDef;
lock (sheetLock)
{
prevSheet = _Previous.GetSheet(prevSheetDef.Name);
updatedSheet = _Updated.GetSheet(prevSheetDef.Name);
updatedSheetDef = Updated.GetOrCreateSheet(prevSheetDef.Name);
}
var sheetUpdater = new SheetUpdater(prevSheet, prevSheetDef, updatedSheet, updatedSheetDef);
var sheetUpdates = MemoryGuard(() => sheetUpdater.Update().ToArray());
foreach (var change in sheetUpdates)
{
changes.Add(change);
}
progress.IncrementStep();
});
Updated.Compile();
if (detectDataChanges)
{
progress.CurrentOperation = "Data";
Parallel.ForEach(Previous.SheetDefinitions, prevSheetDef =>
{
progress.CurrentFile = prevSheetDef.Name;
_Progress.Report(progress);
if (!_Updated.SheetExists(prevSheetDef.Name))
{
return;
}
IRelationalSheet prevSheet, updatedSheet;
SheetDefinition updatedSheetDef;
lock (sheetLock)
{
prevSheet = _Previous.GetSheet(prevSheetDef.Name);
updatedSheet = _Updated.GetSheet(prevSheetDef.Name);
updatedSheetDef = Updated.GetOrCreateSheet(prevSheetDef.Name);
}
var sheetComparer = new SheetComparer(prevSheet, prevSheetDef, updatedSheet, updatedSheetDef);
var sheetChanges = MemoryGuard(() => sheetComparer.Compare().ToArray());
foreach (var change in sheetChanges)
{
changes.Add(change);
}
progress.IncrementStep();
});
}
progress.CurrentOperation = "Finished";
progress.CurrentFile = null;
_Progress.Report(progress);
return(changes);
}
public IEnumerable <IChange> Update(bool detectDataChanges)
{
var changes = new List <IChange>();
var progress = new UpdateProgress {
CurrentOperation = "Structure",
CurrentStep = 0,
TotalSteps = (detectDataChanges ? 2 : 1) * Previous.SheetDefinitions.Count
};
{
foreach (var prevSheetDef in Previous.SheetDefinitions)
{
progress.CurrentFile = prevSheetDef.Name;
_Progress.Report(progress);
if (!_Updated.SheetExists(prevSheetDef.Name))
{
changes.Add(new SheetRemoved(prevSheetDef.Name));
continue;
}
var prevSheet = _Previous.GetSheet(prevSheetDef.Name);
var updatedSheet = _Updated.GetSheet(prevSheetDef.Name);
var updatedSheetDef = Updated.GetOrCreateSheet(prevSheetDef.Name);
var sheetUpdater = new SheetUpdater(prevSheet, prevSheetDef, updatedSheet, updatedSheetDef);
changes.AddRange(sheetUpdater.Update());
GC.Collect();
++progress.CurrentStep;
}
Updated.Compile();
}
if (detectDataChanges)
{
progress.CurrentOperation = "Data";
foreach (var prevSheetDef in Previous.SheetDefinitions)
{
progress.CurrentFile = prevSheetDef.Name;
_Progress.Report(progress);
if (!_Updated.SheetExists(prevSheetDef.Name))
{
continue;
}
var prevSheet = _Previous.GetSheet(prevSheetDef.Name);
var updatedSheet = _Updated.GetSheet(prevSheetDef.Name);
var updatedSheetDef = Updated.GetOrCreateSheet(prevSheetDef.Name);
var sheetComparer = new SheetComparer(prevSheet, prevSheetDef, updatedSheet, updatedSheetDef);
changes.AddRange(sheetComparer.Compare());
GC.Collect();
++progress.CurrentStep;
}
}
progress.CurrentStep = progress.TotalSteps;
progress.CurrentOperation = "Finished";
progress.CurrentFile = null;
_Progress.Report(progress);
return(changes);
}