public static CoreHistory CreateCoreHistory(IEntityExtend entity, HistoryActionType action, DateTime?timestamp, DecorateCoreHistory decorate)
{
if (!InformationCenter.States.TransactionInfo.ApplicationTransactionIdentifier.HasValue)
{
//TODO: throw;
}
CoreHistory ret = null;
ret = new CoreHistory();
ret.ApplicationTransactionID = InformationCenter.States.TransactionInfo.ApplicationTransactionIdentifier.Value;
ret.EntityTypeID = entity.EntityTypeID;
ret.EntityID = entity.EntityID;
ret.ActionType = action;
if (!timestamp.HasValue)
{
timestamp = DateTime.Now;
}
ret.Timestamp = timestamp.Value;
if (decorate != null)
{
decorate(ret);
}
using (HistoryContext ctx = HistoryContext.CreateInstance())
{
ctx.AddToCoreHistorySet(ret);
ctx.SaveChanges();
}
return(ret);
}
private void AddEntityHistories(ObjectContext ctx, EntityState state, HistoryActionType action)
{
IEnumerable <EntityWrapper> entities = this.Entities.Where(x => x.State == state);
foreach (EntityWrapper entityWrapper in entities)
{
if ((entityWrapper.Entity is EntityObject) && (entityWrapper.Entity is IEntityExtend))
{
CoreHistory coreHistory = HistoryManager.CreateCoreHistory((IEntityExtend)entityWrapper.Entity, action, null, null);
if (entityWrapper.Entity is IWithHistory)
{
IList <IHistory> histories = ((IWithHistory)entityWrapper.Entity).CreateHistoryEntities(coreHistory);
foreach (IHistory history in histories)
{
this.GetHistoryEntities(entityWrapper.Key).Add(history);
ctx.AddObject(history.EntitySetName, history);
}
}
}
}
}