void AddRecordToGroup(ExpandoObject currentRecord, FieldInfo field, List <Boolean> groupKeys)
{
if (groupKeys == null)
{
throw new DataLoaderException($"There is no groups property for '{field.TypeName}");
}
ElementMetadata elemMeta = GetOrCreateMetadata(field.TypeName);
if (String.IsNullOrEmpty(elemMeta.Items))
{
throw new DataLoaderException($"There is no 'Items' property for '{field.TypeName}");
}
GroupMetadata groupMeta = GetOrCreateGroupMetadata(field.TypeName);
if (groupMeta.IsRoot(groupKeys))
{
_root.Add(field.PropertyName, currentRecord);
groupMeta.CacheElement(groupMeta.RootKey, currentRecord); // current
}
else
{
// item1 - elemKey, item2 -> parentKey
var keys = groupMeta.GetKeys(groupKeys, currentRecord);
var parentRec = groupMeta.GetCachedElement(keys.Item2); // parent
parentRec.AddToArray(elemMeta.Items, currentRecord);
if (!groupMeta.IsLeaf(groupKeys))
{
groupMeta.CacheElement(keys.Item1, currentRecord); // current
}
}
}
void ProcessMapObjectMetadata(FieldInfo fieldInfo, ElementMetadata elem)
{
var mapType = fieldInfo.TypeName + "Map";
var innerElem = GetOrCreateMetadata(mapType);
foreach (var f in fieldInfo.MapFields)
{
innerElem.AddField(new FieldInfo($"{f}!{fieldInfo.TypeName}"), DataType.Undefined);
}
elem.AddField(new FieldInfo($"{fieldInfo.PropertyName}!{mapType}"), DataType.Undefined);
}
void ProcessComplexMetadata(FieldInfo fieldInfo, ElementMetadata elem, DataType dt, Int32 fieldLen)
{
// create metadata for nested type
var innerElem = GetOrCreateMetadata(fieldInfo.TypeName);
var fna = fieldInfo.PropertyName.Split('.');
if (fna.Length != 2)
{
throw new DataLoaderException($"Invalid complex name {fieldInfo.PropertyName}");
}
elem.AddField(new FieldInfo($"{fna[0]}!{fieldInfo.TypeName}"), DataType.Undefined);
innerElem.AddField(new FieldInfo(fieldInfo, fna[1]), dt, fieldLen);
}
ElementMetadata GetOrCreateMetadata(String typeName)
{
if (_metadata == null)
{
_metadata = new Dictionary <String, IDataMetadata>();
}
if (_metadata.TryGetValue(typeName, out IDataMetadata elemMeta))
{
return(elemMeta as ElementMetadata);
}
var newMeta = new ElementMetadata();
_metadata.Add(typeName, newMeta);
return(newMeta);
}
