public static bool IsStale(Domain.IDomainModelClass domainModelClass, out string entityName, out object identifier)
{
var _entityName = "";
object _identifier = null;
entityName = _entityName;
identifier = _identifier;
if (!MustCheck(domainModelClass))
{
return(false);
}
try
{
bool isStale = false;
#if NETFRAMEWORK
var miniSessionManager = MiniSessionManager.InstanceSafe;
#else
var miniSessionManager = ServiceLocator.Current.GetInstance <IMiniSessionService>();
#endif
var entityInfo = GetEntityInfo(miniSessionManager, domainModelClass);
if (!entityInfo.IsVersioned)
{
return(false);
}
_entityName = entityInfo.EntityType.Name;
var tableName = entityInfo.ClassMetaData.RootTableName;
string _entityID = entityInfo.ClassMetaData.IdentifierPropertyName;
_identifier = (domainModelClass.GetType().GetProperty(_entityID)).GetValue(domainModelClass, null);
string currentTimestampString = (domainModelClass.GetType().GetProperty("VersionTimestamp")).GetValue(domainModelClass, null)?.ToString();
int currentTimestamp = 0;
if (int.TryParse(currentTimestampString, out int cts))
{
currentTimestamp = cts;
}
var sql = $"select 1 from {tableName} where {_entityID} = :idValue and VersionTimestamp > :currentTimestamp";
var sqlQuery = miniSessionManager.Session.CreateSQLQuery(sql).SetParameter("idValue", _identifier).SetParameter("currentTimestamp", currentTimestamp);
isStale = sqlQuery.List().Count > 0;
entityName = _entityName;
identifier = _identifier;
return(isStale);
}
catch (Exception e)
{
LogManager.GetLogger(typeof(StaleDataManager)).Error($"Error while examining Entity [{entityName}]", e);
return(false);
}
}
private static bool MustCheck(Domain.IDomainModelClass cls)
{
var domainModelClassTypeFullName = cls.GetType().FullName;
if (entityInfos.ContainsKey(domainModelClassTypeFullName) && !entityInfos[domainModelClassTypeFullName].IsVersioned)
{
return(false);
}
return(true);
}
private static EntityInfo GetEntityInfo(IMiniSessionService manager, Domain.IDomainModelClass domainModelClass)
#endif
{
EntityInfo entityInfo;
var domainModelClassType = domainModelClass.GetType();
if (entityInfos.ContainsKey(domainModelClassType.FullName))
{
entityInfo = entityInfos[domainModelClassType.FullName];
}
else
{
entityInfo = new EntityInfo();
entityInfo.EntityType = domainModelClass.GetType();
entityInfo.ClassMetaData = ((AbstractEntityPersister)manager.Session.SessionFactory.GetAllClassMetadata()[entityInfo.EntityType.FullName]);
entityInfo.IsVersioned = entityInfo.ClassMetaData?.IsVersioned == true && entityInfo.ClassMetaData?.VersionType?.Name == "Int32";
entityInfo.DomainModelClass = domainModelClass;
entityInfos.TryAdd(domainModelClassType.FullName, entityInfo);
}
return(entityInfo);
}
