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>
/// 检查有没有关联属性被修改.
/// </summary>
/// <param name="entity"></param>
/// <returns></returns>
private bool CheckRelationHasModified(IEntity entity)
{
//判断实体类型有是不是编译的代理类型，如果不是，取非null的属性，否则使用IsModified判断
var isNotCompiled = entity.GetType().IsNotCompiled();
return(PropertyUnity.GetRelatedProperties(entity.EntityType).Any(s => isNotCompiled ? !PropertyValue.IsEmpty(entity.GetValue(s)) : entity.IsModified(s.Name)));
}
/// <summary>
/// 检查实体的关联属性。
/// </summary>
/// <param name="entity"></param>
private void HandleRelationProperties(IEntity entity)
{
//判断实体类型有是不是编译的代理类型，如果不是，取非null的属性，否则使用IsModified判断
var isNotCompiled = entity.GetType().IsNotCompiled();
var properties = PropertyUnity.GetRelatedProperties(entity.EntityType).Where(m => isNotCompiled ?
!PropertyValue.IsEmpty(entity.GetValue(m)) :
entity.IsModified(m.Name));
HandleRelationProperties(entity, properties);
}
/// <summary>
/// 检查实体的关联属性。
/// </summary>
/// <param name="entity"></param>
private async Task HandleRelationPropertiesAsync(IEntity entity, CancellationToken cancellationToken = default)
{
//判断实体类型有是不是编译的代理类型，如果不是，取非null的属性，否则使用IsModified判断
var isNotCompiled = entity.GetType().IsNotCompiled();
var properties = PropertyUnity.GetRelatedProperties(entity.EntityType).Where(m => isNotCompiled ?
!PropertyValue.IsEmpty(entity.GetValue(m)) :
entity.IsModified(m.Name));
await HandleRelationPropertiesAsync(entity, properties, cancellationToken);
}
private void InitMapping(string[] fields)
{
mapping = from s in PropertyUnity.GetProperties(typeof(T))
let index = IndexOf(fields, s)
where index != -1 && s is ILoadedProperty
select new PropertyMapping {
Property = s, Index = index
};
alwaysProperties = PropertyUnity.GetRelatedProperties(typeof(T), LoadBehavior.Always);
}
