public void AddOrEdit(T model, DateTime?modelTime = null)
{
DateTime time = modelTime ?? DateTime.Now;
var filterDef = GetFilterDefinitionOfKey(model);
var modelInDb = OriginalCollection.Find(filterDef).FirstOrDefault();
if (modelInDb == null)
{
Add(model, time);
}
else
{
Edit(model, modelInDb, time);
}
}
public void Edit(T model, DateTime?modelTime = null)
{
DateTime time = modelTime ?? DateTime.Now;
var filterDef = GetFilterDefinitionOfKey(model);
var modelInDb = OriginalCollection.Find(filterDef).FirstOrDefault();
if (modelInDb == null)
{
throw new Exception("can't find such record");
}
else
{
Edit(model, modelInDb, time);
}
}
/// <summary>
/// 从主表复制到
/// </summary>
/// <param name="time"></param>
/// <returns></returns>
private bool CopyToSnap(IMongoCollection <T> snapCollection)
{
if (snapCollection.CountDocuments(x => true) > 0)
{
return(false);
}
lock (CopyLocker)
{
if (snapCollection.CountDocuments(x => true) > 0)
{
return(true);//被别的线程锁定之后再进入的。
}
snapCollection.InsertMany(
OriginalCollection.Find(x => !x.Deleted).ToEnumerable()
);
}
return(true);
}
private T GetModelFromLast <TKey>(TKey key)
{
var model = OriginalCollection.Find(GetFilterDefinitionOfKey(key)).FirstOrDefault();
return(model);
}
