private void UpdateRelations(IEntity entity)
{
var entityEx = entity.As <IEntityStatefulExtension>();
if (entityEx == null)
{
return;
}
var relProperties = PropertyUnity.GetRelatedProperties(entity.EntityType);
foreach (var property in relProperties)
{
var relationPro = property as RelationProperty;
var value = entityEx.GetDirectValue(property);
if (value == null)
{
continue;
}
switch (relationPro.RelationPropertyType)
{
case RelationPropertyType.EntitySet:
var list = PropertyValueHelper.GetValue <IEnumerable>(value);
EntityUtility.AttachPrimaryKeyValues(entity, relationPro, list);
Save(list);
break;
case RelationPropertyType.Entity:
SaveRelationEntity(PropertyValueHelper.GetValue <IEntity>(value));
break;
}
}
}
/// <summary>
/// 获取指定属性的值。
/// </summary>
/// <typeparam name="T">值的类型。</typeparam>
/// <param name="property">实体属性。</param>
/// <returns></returns>
public virtual T GetValue <T>(IProperty property)
{
return(PropertyValueHelper.GetValue <T>(GetValue(property)));
}