/// <summary>
/// Handles PreDelete event to delete an entity's associated security data.
/// </summary>
/// <param name="deleteEvent">Event object containing the delete operation information.</param>
/// <returns>False, indicating the delete operation should not be vetoed.</returns>
public bool OnPreDelete(PreDeleteEvent deleteEvent)
{
Guid securityKey = Security.ExtractKey(deleteEvent.Entity);
if (!Guid.Empty.Equals(securityKey))
{
var entityReference = deleteEvent.Session.CreateCriteria<EntityReference>()
.Add(Restrictions.Eq("EntitySecurityKey", securityKey))
.SetCacheable(true)
.UniqueResult<EntityReference>();
if (entityReference != null)
{
ISession childSession = deleteEvent.Session.GetSession(EntityMode.Poco);
// because default flush mode is auto, a read after a scheduled delete will invoke
// the auto-flush behaviour, causing a constraint violation exception in the
// underlying database, because there still are EntityGroup entities that need
// the deleted EntityReference/SecurityKey.
childSession.FlushMode = FlushMode.Commit;
childSession.Delete(entityReference);
//Also remove EntityReferencesToEntitiesGroups and Permissions that reference this entity
//Get list of EntitiesGroups that have the entity as a member
IEnumerable<EntitiesGroup> entitiesGroups = childSession.CreateCriteria<EntitiesGroup>()
.CreateCriteria("Entities")
.Add(Restrictions.Eq("EntitySecurityKey", securityKey))
.SetCacheable(true)
.List<EntitiesGroup>();
foreach (EntitiesGroup group in entitiesGroups)
{
group.Entities.Remove(entityReference);
}
////Get list of Permissions that references the entity
IEnumerable<Permission> permissions = childSession.CreateCriteria<Permission>()
.Add(Restrictions.Eq("EntitySecurityKey", securityKey))
.SetCacheable(true)
.List<Permission>();
foreach (Permission permission in permissions)
{
childSession.Delete(permission);
}
childSession.Flush();
}
}
return false;
}
public bool OnPreDelete(PreDeleteEvent @event)
{
var seatArrangement = default(SeatArrangement);
if (@event.TryCatchEntity(ref seatArrangement))
{
//seatArrangement.Cancel(null);
//_occupationRepository.DeleteSeatArrangements(seatArrangement..Id);
}
return false;
}
public bool OnPreDelete(PreDeleteEvent @event)
{
Debug.WriteLine(string.Format("OnPreDelete - {0}", @event.Entity));
if (@event.Entity is IDataObject)
{
// the function returns true if the operation should be vetoed
// consider returning false instead of throwing
ServiceDataAuthorizationConnector.Check((IDataObject)@event.Entity,
DataOperation.Delete);
}
return false;
}
/// <summary>
/// Handles PreDelete event to delete an entity's associated security data.
/// </summary>
/// <param name="deleteEvent">Event object containing the delete operation information.</param>
/// <returns>False, indicating the delete operation should not be vetoed.</returns>
public bool OnPreDelete(PreDeleteEvent deleteEvent)
{
var securityKey = Security.ExtractKey(deleteEvent.Entity);
if (!Guid.Empty.Equals(securityKey)) {
EntityReference entityReference = deleteEvent.Session.CreateCriteria<EntityReference>()
.Add(Restrictions.Eq("EntitySecurityKey", securityKey))
.SetCacheable(true)
.UniqueResult<EntityReference>();
if (entityReference != null) {
var childSession = deleteEvent.Session.GetSession(NHibernate.EntityMode.Poco);
childSession.Delete(entityReference);
//Also remove EntityReferencesToEntitiesGroups and Permissions that reference this entity
//Get list of EntitiesGroups that have the entity as a member
IEnumerable<EntitiesGroup> entitiesGroups = childSession.CreateCriteria<EntitiesGroup>()
.CreateCriteria("Entities")
.Add(Restrictions.Eq("EntitySecurityKey", securityKey))
.SetCacheable(true)
.List<EntitiesGroup>();
foreach (EntitiesGroup group in entitiesGroups) {
group.Entities.Remove(entityReference);
}
////Get list of Permissions that references the entity
IEnumerable<Permission> permissions = childSession.CreateCriteria<Permission>()
.Add(Restrictions.Eq("EntitySecurityKey", securityKey))
.SetCacheable(true)
.List<Permission>();
foreach (Permission permission in permissions) {
childSession.Delete(permission);
}
childSession.Flush();
}
}
return false;
}
public bool OnPreDelete(PreDeleteEvent preDeleteEvent)
{
var softDeletable = preDeleteEvent.Entity as ISoftDeletable;
if (softDeletable != null)
{
// TODO: process all subproperties and delete them if softdeletable?
// should be normal subproperties deleted?
var session = preDeleteEvent.Session.GetSession(EntityMode.Poco);
softDeletable.IsDeleted = true;
session.Update(softDeletable);
session.Flush();
return true;
}
return false;
}
public bool OnPreDelete(PreDeleteEvent @event)
{
if (IsEnabled)
{
var entity = default(Term);
if (@event.TryCatchEntity(ref entity))
{
if (DeleteSession == null)
DeleteSession = @event.Persister.Factory.GetCurrentSession();
var employeeId = entity.GetSnapshotValue<Guid>("EmployeeId");
var key = string.Format("{0}{1}", employeeId, entity.Start.Date);
if (!SqlCaches.ContainsKey(key))
{
var sql = string.Format("delete BackupTerm where BackupTerm.EmployeeId ='{0}' and datediff(d,starttime,'{1:yyyy/MM/dd HH:mm}')=0", employeeId, entity.Start.Date);
SqlCaches[key] = sql;
DeleteSession.CreateSQLQuery(sql).ExecuteUpdate();
}
}
}
return false;
}
private bool PreDelete()
{
IPreDeleteEventListener[] preListeners = Session.Listeners.PreDeleteEventListeners;
bool veto = false;
if (preListeners.Length > 0)
{
var preEvent = new PreDeleteEvent(Instance, Id, state, Persister, (IEventSource)Session);
foreach (IPreDeleteEventListener listener in preListeners)
{
veto |= listener.OnPreDelete(preEvent);
}
}
return veto;
}
/// <summary>
///
/// </summary>
/// <param name="evt"></param>
/// <returns></returns>
public bool OnPreDelete(PreDeleteEvent evt)
{
return false;
}
public bool OnPreDelete(PreDeleteEvent e)
{
var entity = (EntityBase) e.Entity;
PopulateAuditFields(e.DeletedState, e.Persister.PropertyNames, entity);
return false;
}
public bool OnPreDelete(PreDeleteEvent @event)
{
Debug.WriteLine("EventListener.OnPreDelete: {0}", @event.Id);
return false;
}
public bool OnPreDelete(PreDeleteEvent @event) {
Logger.Delete(@event.Entity as IStateEntity);
return false;
}
public bool OnPreDelete(PreDeleteEvent e)
{
_logger.Delete(e.Entity as Entity);
return false;
}
public bool OnPreDelete(PreDeleteEvent @event)
{
log.Debug("OnPreDelete :" + @event);
return false;
}
/// <summary>
/// Return true if the operation should be vetoed
/// </summary>
/// <param name="event"/>
public bool OnPreDelete(PreDeleteEvent @event)
{
try
{
AggregateDataInterceptor.OnDeleteCheckAggregate(@event.Entity, @event.Session);
return false;
}
catch(Exception ex)
{
throw new InvalidOperationException("Error trying to flush aggregates during pre-delete phase: {0}".InvariantFormat(GetUsefulEntityName(@event.Entity, null, null)), ex);
}
}
