public DbSet <TEntity> SetOf <TEntity>() where TEntity : Entity
{
if (Flights is IEnumerable <TEntity> )
{
Tickets.Load();
return(Flights as DbSet <TEntity>);
}
else if (Depatures is IEnumerable <TEntity> )
{
Tickets.Load();
Flights.Load();
Pilots.Load();
Stewardesses.Load();
Crew.Load();
Types.Load();
Planes.Load();
return(Depatures as DbSet <TEntity>);
}
else if (Crew is IEnumerable <TEntity> )
{
Pilots.Load();
Stewardesses.Load();
return(Crew as DbSet <TEntity>);
}
else if (Stewardesses is IEnumerable <TEntity> )
{
return(Stewardesses as DbSet <TEntity>);
}
else if (Pilots is IEnumerable <TEntity> )
{
return(Pilots as DbSet <TEntity>);
}
else if (Planes is IEnumerable <TEntity> )
{
Types.Load();
return(Planes as DbSet <TEntity>);
}
else if (Types is IEnumerable <TEntity> )
{
return(Types as DbSet <TEntity>);
}
else
{
Flights.Load();
return(Tickets as DbSet <TEntity>);
}
}