public override IItemData EvaluateUpdate(IItemData sourceItem, IItemData targetItem)
{
Assert.ArgumentNotNull(targetItem, "targetItemData");
Assert.ArgumentNotNull(sourceItem, "sourceItemData");
var deferredUpdateLog = new DeferredLogWriter <ISerializedAsMasterEvaluatorLogger>();
_logger.Evaluated(sourceItem ?? targetItem);
var result = _parentConfiguration.Resolve <IPredicate>().Includes(targetItem);
// TODO: In reality, `result` should never come back null here. With the current tests it does however, and it's
// ^&*"$*£"&(* to change them
if (ShouldUpdateExisting(sourceItem, targetItem, deferredUpdateLog, result?.FieldValueManipulator))
{
using (new LogTransaction(_globalLogger))
{
var changeHappened = _sourceDataStore.Save(targetItem, result?.FieldValueManipulator);
if (changeHappened)
{
_logger.SerializedUpdatedItem(targetItem);
deferredUpdateLog.ExecuteDeferredActions(_logger);
}
}
return(targetItem);
}
return(null);
}
public void EvaluateOrphans(IItemData[] orphanItems)
{
Assert.ArgumentNotNull(orphanItems, "orphanItems");
EvaluatorUtility.RecycleItems(orphanItems, _sourceDataStore, item => _logger.DeletedItem(item));
foreach (var orphan in orphanItems)
{
_logger.Evaluated(orphan);
}
}
public override IItemData EvaluateUpdate(IItemData sourceItem, IItemData targetItem)
{
Assert.ArgumentNotNull(targetItem, "targetItemData");
Assert.ArgumentNotNull(sourceItem, "sourceItemData");
var deferredUpdateLog = new DeferredLogWriter <ISerializedAsMasterEvaluatorLogger>();
_logger.Evaluated(sourceItem ?? targetItem);
if (ShouldUpdateExisting(sourceItem, targetItem, deferredUpdateLog))
{
using (new LogTransaction(_globalLogger))
{
_logger.SerializedUpdatedItem(targetItem);
deferredUpdateLog.ExecuteDeferredActions(_logger);
_sourceDataStore.Save(targetItem);
}
return(targetItem);
}
return(null);
}