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);
}
private bool Run(IDeleteInfo info, uint id)
{
try {
CheckDlg = new CheckOperationDlg();
CheckDlg.Show();
var self = info.GetSelfEntity(this, id);
PreparedOperation = info.CreateDeleteOperation(self);
DeletedItems.Add(new DeletedItem {
ItemClass = info.ObjectClass,
ItemId = id,
Title = self.Title
});
countReferenceItems = FillChildOperation(info, PreparedOperation, new TreeIter(), self);
bool isCanceled = CheckDlg.IsCanceled;
CheckDlg.Destroy();
if (isCanceled)
{
return(false);
}
} catch (Exception ex) {
CheckDlg.Destroy();
QSMain.ErrorMessageWithLog("Ошибка в разборе зависимостей удаляемого объекта.", logger, ex);
return(false);
}
bool userAccept = DeleteDlg.RunDialog(this);
if (userAccept)
{
ExcuteDlg = new DeleteOperationDlg();
ExcuteDlg.SetOperationsCount(PreparedOperation.GetOperationsCount() + 2);
ExcuteDlg.Show();
BeforeDeletion?.Invoke();
try {
IsHibernateMode = HasHibernateOperations(PreparedOperation);
PreparedOperation.Execute(this);
ExcuteDlg.AddExcuteOperation("Операции с журналом изменений");
DeleteConfig.OnAfterDeletion(sqlTransaction, DeletedItems);
ExcuteDlg.AddExcuteOperation("Завершение транзакции");
if (sqlTransaction != null)
{
sqlTransaction.Commit();
}
if (uow != null)
{
uow.Commit();
}
return(true);
} catch (Exception ex) {
if (SqlTransaction != null)
{
sqlTransaction.Rollback();
}
QSMain.ErrorMessageWithLog("Ошибка при удалении", logger, ex);
}
finally
{
ExcuteDlg.Destroy();
}
}
return(false);
}
