private IDeleteInfo CalculateSecondInfo(IDeleteInfo info, EntityDTO entity)
{
var hinfo = info as IDeleteInfoHibernate;
if (hinfo == null)
{
return(null);
}
if (hinfo.IsSubclass)
{
var root = hinfo.GetRootDeleteInfo();
if (root != null)
{
return(root);
}
}
if (hinfo.IsRootForSubclasses)
{
var subclass = NHibernate.NHibernateUtil.GetClass(entity.Entity);
if (subclass != null)
{
return(DeleteConfig.GetDeleteInfo(subclass));
}
}
return(null);
}
IDeleteInfo IDeleteInfoHibernate.GetRootDeleteInfo()
{
if (!IsSubclass)
{
return(null);
}
var hmap = OrmConfig.NhConfig.GetClassMapping(ObjectClass) as NHibernate.Mapping.Subclass;
return(DeleteConfig.GetDeleteInfo(hmap.RootClazz.MappedClass));
}
public static int CalculateTotalLinks <TEntity>(IUnitOfWork uow, TEntity fromE)
where TEntity : IDomainObject
{
logger.Info("Подсчет ссылок...");
int totalLinks = 0;
if (fromE == null)
{
throw new ArgumentNullException("fromE");
}
if (fromE.Id == 0)
{
throw new ArgumentException("Сущьность должна уже иметь ID", nameof(fromE));
}
var delConfig = DeleteConfig.GetDeleteInfo <TEntity>();
if (delConfig == null)
{
throw new InvalidOperationException($"Конфигурация удаления для типа {typeof(TEntity)} не найдена.");
}
if (!(delConfig is IDeleteInfoHibernate))
{
throw new NotSupportedException($"Поддерживаются только конфигурации удаляения Hibernate.");
}
foreach (var depend in delConfig.DeleteItems)
{
if (String.IsNullOrEmpty(depend.PropertyName))
{
continue;
}
var propInfo = depend.ObjectClass.GetProperty(depend.PropertyName);
totalLinks += GetLinkedEntities(uow, depend, fromE).Count;
}
foreach (var depend in delConfig.ClearItems)
{
var propInfo = depend.ObjectClass.GetProperty(depend.PropertyName);
totalLinks += GetLinkedEntities(uow, depend, fromE).Count;
}
foreach (var depend in delConfig.RemoveFromItems)
{
var collPropInfo = depend.ObjectClass.GetProperty(depend.CollectionName);
totalLinks += GetLinkedEntities(uow, depend, fromE).Count;
}
logger.Info("Найдено {0} ссылок.", totalLinks);
return(totalLinks);
}
public static int ReplaceEverywhere <TEntity>(IUnitOfWork uow, TEntity fromE, TEntity toE)
where TEntity : IDomainObject
{
int replacedLinks = 0;
if (fromE == null || toE == null)
{
throw new ArgumentNullException("fromE || toE");
}
if (fromE.Id == 0)
{
throw new ArgumentException("Сущьность должна уже иметь ID", nameof(fromE));
}
if (toE.Id == 0)
{
throw new ArgumentException("Сущьность должна уже иметь ID", nameof(toE));
}
var delConfig = DeleteConfig.GetDeleteInfo <TEntity>();
if (delConfig == null)
{
throw new InvalidOperationException($"Конфигурация удаления для типа {typeof(TEntity)} не найдена.");
}
if (!(delConfig is IDeleteInfoHibernate))
{
throw new NotSupportedException($"Поддерживаются только конфигурации удаляения Hibernate.");
}
foreach (var depend in delConfig.DeleteItems)
{
if (String.IsNullOrEmpty(depend.PropertyName))
{
continue;
}
var propInfo = depend.ObjectClass.GetProperty(depend.PropertyName);
foreach (var item in GetLinkedEntities(uow, depend, fromE))
{
propInfo.SetValue(item, toE, null);
uow.TrySave(item);
replacedLinks++;
}
}
foreach (var depend in delConfig.ClearItems)
{
var propInfo = depend.ObjectClass.GetProperty(depend.PropertyName);
foreach (var item in GetLinkedEntities(uow, depend, fromE))
{
propInfo.SetValue(item, toE, null);
uow.TrySave(item);
replacedLinks++;
}
}
foreach (var depend in delConfig.RemoveFromItems)
{
var collPropInfo = depend.ObjectClass.GetProperty(depend.CollectionName);
foreach (var item in GetLinkedEntities(uow, depend, fromE))
{
var coll = (collPropInfo as IList);
var replaced = coll.Cast <IDomainObject>().First(x => x.Id == fromE.Id);
var ix = coll.IndexOf(replaced);
collPropInfo.SetValue(item, toE, new object[] { ix });
uow.TrySave(item);
replacedLinks++;
}
}
return(replacedLinks);
}