public static DatabaseEngine GetNewDatabaseEngine(string databasename)
{
lock (LockedObject)
{
DatabaseEngine engine = null;
EnumDatabaseEngineType enginetype = GetDatabaseEngineType(databasename);
switch (enginetype)
{
case EnumDatabaseEngineType.Sql2005: engine = new Sql2005DatabaseEngine(); break;
case EnumDatabaseEngineType.Sql2008: engine = new Sql2008DatabaseEngine(); break;
case EnumDatabaseEngineType.Sql2012: engine = new Sql2012DatabaseEngine(); break;
case EnumDatabaseEngineType.SQLite: engine = new SQLiteDatabaseEngine(); break;
case EnumDatabaseEngineType.Oracle: engine = new OracleDatabaseEngine(); break;
case EnumDatabaseEngineType.GenericDatabase: engine = new GenericDatabaseEngine(); break;
}
DatabaseSession session = new DatabaseSession(databasename);
engine.DatabaseSession = session;
return(engine);
}
}
public static DatabaseEngine GetDatabaseEngine(string databasename = "")
{
lock (LockedObject)
{
DatabaseSession session = null;
if (string.IsNullOrWhiteSpace(databasename))
{
session = DatabaseScopeManager.Instance.GetCurrentDatabaseSession();
}
else
{
session = DatabaseScopeManager.Instance.GetCurrentDatabaseSession(databasename);
}
DatabaseEngine engine = null;
EnumDatabaseEngineType enginetype = GetDatabaseEngineType(session != null ? session.DatabaseName : databasename);
switch (enginetype)
{
case EnumDatabaseEngineType.Sql2005: engine = new Sql2005DatabaseEngine(); break;
case EnumDatabaseEngineType.Sql2008: engine = new Sql2008DatabaseEngine(); break;
case EnumDatabaseEngineType.Sql2012: engine = new Sql2012DatabaseEngine(); break;
case EnumDatabaseEngineType.SQLite: engine = new SQLiteDatabaseEngine(); break;
case EnumDatabaseEngineType.Oracle: engine = new OracleDatabaseEngine(); break;
case EnumDatabaseEngineType.GenericDatabase: engine = new GenericDatabaseEngine(); break;
}
if (engine != null)
{
if (session == null)
{
session = new DatabaseSession(databasename);
}
engine.DatabaseSession = session;
}
else
{
throw new ObjectMappingException("not find database engine");
}
return(engine);
}
}
