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);
}
public static ApplicationTransaction FinishApplicationTransaction(int id, int?userID, DateTime?endTimestamp)
{
ApplicationTransaction ret = null;
using (HistoryContext ctx = HistoryContext.CreateInstance())
{
ret = ctx.GetApplicationTransaction(id);
if (ret == null)
{
//TODO: throw.
}
if (userID.HasValue)
{
ret.UserID = userID;
}
if (!endTimestamp.HasValue)
{
endTimestamp = DateTime.Now;
}
ret.EndTimestamp = endTimestamp;
ctx.SaveChanges();
}
return(ret);
}
public static IList <CoreHistory> RetrieveCoreHistries <TEntity>(this TEntity entity)
where TEntity : EntityObject, IWithHistory
{
IList <CoreHistory> ret = null;
using (HistoryContext ctx = HistoryContext.CreateInstance())
{
ret = new List <CoreHistory>(ctx.FindHistories(entity.EntityTypeID, entity.EntityID));
}
return(ret);
}
public static ApplicationTransaction StartApplicationTransaction(string externalID, int?userID, string remoteEndPoint, string localEndPoint, string action, DateTime?beginTimestamp)
{
ApplicationTransaction ret = null;
using (HistoryContext ctx = HistoryContext.CreateInstance())
{
ret = new ApplicationTransaction();
ret.ExternalID = externalID;
ret.UserID = userID;
ret.RemoteEndPoint = remoteEndPoint;
ret.LocalEndPoint = localEndPoint;
ret.Action = action;
if (!beginTimestamp.HasValue)
{
beginTimestamp = DateTime.Now;
}
ret.BeginTimestamp = beginTimestamp;
ctx.AddToApplicationTransactionSet(ret);
ctx.SaveChanges();
}
return(ret);
}