/// <summary>
/// 执行懒加载操作。
/// </summary>
/// <param name="listProperty">The list property.</param>
/// <returns></returns>
private EntityList LoadLazyList(IListProperty listProperty)
{
EntityList data = null;
if (this.FieldExists(listProperty))
{
data = this.GetProperty(listProperty) as EntityList;
if (data != null)
{
return(data);
}
}
if (this.IsNew)
{
var listRepository = RepositoryFactoryHost.Factory.FindByEntity(listProperty.ListEntityType);
data = listRepository.NewList();
}
else
{
var meta = listProperty.GetMeta(this) as IListPropertyMetadata;
var dataProvider = meta.DataProvider;
if (dataProvider != null)
{
data = dataProvider(this);
}
else
{
var listRepository = RepositoryFactoryHost.Factory.FindByEntity(listProperty.ListEntityType) as IRepositoryInternal;
data = listRepository.GetLazyListByParent(this);
data.SetParentEntity(this);
}
}
this.LoadProperty(listProperty, data);
return(data);
}
