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我为我的域模型中的ILoggable对象设置了一个IInterceptor。而在OnFlushDirty事件上,我正在尝试保存日志(审计)。但是在做这件事时,我的代码进入了一个无限循环。在NHibernate中保存对象IInterceptor
_logrepository.Save(日志)调用OnFlushDirty即使日志不是ILoggable对象(这是因为实体仍然是以前的对象)
是否有使用.Save(无需打开另一个会话)的方式在IInterceptor,或者我如何在IInterceptor中的数据库中插入日志?
public override bool OnFlushDirty(object entity, object id, object[] currentState, object[] previousState, string[] propertyNames, NHibernate.Type.IType[] types)
{
//find diffs, log each change
if (entity is ILoggable && entity is NamedEntity)
{
var namedEntity = entity as NamedEntity;
for (var i = 0; i < currentState.Count(); i++)
{
if (currentState[i] != previousState[i])
{
var log = new Log()
{
Description = "update",
InDate = namedEntity.ModifiedDate.Value,
ItemId = namedEntity.Id,
ItemType = namedEntity.GetType().Name,
NewValue = currentState[i].ToString(),
OldValue = previousState[i].ToString(),
PropertyName = propertyNames[i],
UserId = namedEntity.ModifiedByUserId.Value
};
// calling save calls onflushdirty again, where entity is not log, but the same entity of the first call
ObjectFactory.GetInstance().Save(log);
}
}
}
return base.OnFlushDirty(entity, id, currentState, previousState, propertyNames, types);
}