public DataObjectCollection <T> RegisterEntityCollection <T>(IDataObjectCollectionLoader <T> loader = null) where T : DataObject
{
if (_resolveReferences.ContainsKey(typeof(T)))
{
throw new ArgumentException(" An DataObjectSet with that name already exists.");
}
var entityCollection = new DataObjectCollection <T>(() => this, loader);
_resolveReferences.Add(typeof(T), entityCollection);
return(entityCollection);
}
private IDataObjectCollection CreateRelationWhenNotExist <T>(string relationName, long foreignKey) where T : DataObject
{
if (foreignKey == 0)
{
return(new DataObjectCollection <T>(() => this));
}
if (!_foreignKeys.ContainsKey(relationName))
{
_foreignKeys[relationName] = new Dictionary <long, IDataObjectCollection>();
}
var entityCollections = _foreignKeys[relationName];
if (!entityCollections.ContainsKey(foreignKey))
{
entityCollections[foreignKey] = new DataObjectCollection <T>(() => this);
}
var relation = entityCollections[foreignKey];
return(relation);
}