public PlanSnapshot RebuildSnapshot()
{
var prev = Snapshot;
Snapshot = new PlanSnapshot(Root, true);
return(prev);
}
public LoadedPlan(PlanNodeDO root, bool isNew = false)
{
IsNew = isNew;
Root = root;
if (isNew)
{
Snapshot = new PlanSnapshot();
}
else
{
RebuildSnapshot();
}
}
/**********************************************************************************/
public Changes Compare(PlanSnapshot referece)
{
var diff = new Changes();
List <PropertyInfo> changedProperties = null;
PlanNodeDO node;
foreach (var refNodeId in _nodes)
{
if (!referece._nodes.TryGetValue(refNodeId.Key, out node))
{
diff.Insert.Add(refNodeId.Value);
}
else
{
if (changedProperties == null)
{
changedProperties = new List <PropertyInfo>();
}
node.CheckModified(refNodeId.Value, changedProperties);
if (changedProperties.Count > 0)
{
diff.Update.Add(new ChangedObject(refNodeId.Value, changedProperties));
changedProperties = null;
}
}
}
foreach (var refNodeId in referece._nodes)
{
if (!_nodes.TryGetValue(refNodeId.Key, out node))
{
diff.Delete.Add(refNodeId.Value);
}
}
return(diff);
}