public override ICloneableElement Clone(Dictionary <ICloneableElement, ICloneableElement> objectTree, Predicate <ICloneableElement> doClone)
{
if (!doClone(this))
{
return(this);
}
ICloneableElement clone;
if (!objectTree.TryGetValue(this, out clone))
{
var qs = CloneInstance(objectTree, doClone);
objectTree.Add(this, qs);
qs.SqlQuery = (SqlQuery)SqlQuery.Clone(objectTree, doClone);
qs.Lambda = Lambda;
qs._sources = Array.ConvertAll(Sources, q => (QuerySource)q.Clone(objectTree, doClone));
qs._fields = Fields.ConvertAll(f => (QueryField)f.Clone(objectTree, doClone));
clone = qs;
}
return(clone);
}
internal Content DeepCopy(ReferenceDictionary <object, object> visited)
{
if (visited.TryGetValue(this, out object value))
{
return((Content)value);
}
var content = (Content)MemberwiseClone();
visited[this] = content;
content.Fields = Fields?.ConvertAll(field => field.DeepCopy(visited));
return(content);
}
