C# NHibernate如何在更复杂的查询中使用ToFuture

我有以下数据模型

我想从数据库中检索一个客户端及其整个组织结构，使用nHibernate Future

我试过这样的方法：

    public DBClient GetOrganizationStructure(long clientOid)
    {
        var f0 = Query().Fetch(x => x.RegisteredAddress).Fetch(x => x.BillingAddress).Fetch(x => x.RegisteredOffices).Where(x=>x.Oid == clientOid).ToFuture();
        var f1 = Session.Query<DBRegisteredOffice>().Fetch(x => x.DeliveryAddress).Where(x => x.Client.Oid == clientOid).ToFuture();
        var f2 = Session.Query<DBDepartment>().Fetch(x => x.Workplaces).Where(x => x.RegisteredOffice.Client.Oid == clientOid).ToFuture();
        var f3 = Session.Query<DBWorkplace>().Fetch(x => x.Expertise).Where(x => x.RegisteredOffice.Client.Oid == clientOid || x.Department.RegisteredOffice.Client.Oid == clientOid).ToFuture();

        var v = f0.ToList();
        return v.First();

    }

不那么冗长：

        DBRegisteredOffice registeredOfficeAlias = null;
        DBClient clientAlias = null;
        DBDepartment departmentAlias = null;

        var query = Session.QueryOver(() => clientAlias)
            .Fetch(x => x.RegisteredAddress).Eager
            .Fetch(x => x.BillingAddress).Eager
            .Left.JoinAlias(x => x.RegisteredOffices, () => registeredOfficeAlias)
            .Where(x => x.Oid == clientOid)
            .Future();

        Session.QueryOver(() => registeredOfficeAlias)
            .Fetch(x => x.DeliveryAddress).Eager
            .Fetch(x => x.Workplaces).Eager
            .Where(x => x.Client.Oid == clientOid)
            .Future();

        Session.QueryOver(() => registeredOfficeAlias)
            .Left.JoinAlias(x => x.Departments, () => departmentAlias)
            .Where(x => x.Client.Oid == clientOid)
            .Future();

        Session.QueryOver(() => departmentAlias)
            .Fetch(x => x.Workplaces).Eager
            .JoinQueryOver(x => x.RegisteredOffice).Where(x => x.Client.Oid == clientOid)
            .Future();

        return query.First();

        DBRegisteredOffice registeredOfficeAlias = null;
        DBClient clientAlias = null;
        DBDepartment departmentAlias = null;

        var query = Session.QueryOver(() => clientAlias)
            .Fetch(x => x.RegisteredAddress).Eager
            .Fetch(x => x.BillingAddress).Eager
            .Left.JoinAlias(x => x.RegisteredOffices, () => registeredOfficeAlias)
            .Where(x => x.Oid == clientOid)
            .Future();

        Session.QueryOver(() => registeredOfficeAlias)
            .Fetch(x => x.DeliveryAddress).Eager
            .Fetch(x => x.Workplaces).Eager
            .Where(x => x.Client.Oid == clientOid)
            .Future();

        Session.QueryOver(() => registeredOfficeAlias)
            .Left.JoinAlias(x => x.Departments, () => departmentAlias)
            .Where(x => x.Client.Oid == clientOid)
            .Future();

        Session.QueryOver(() => departmentAlias)
            .Fetch(x => x.Workplaces).Eager
            .JoinQueryOver(x => x.RegisteredOffice).Where(x => x.Client.Oid == clientOid)
            .Future();

        return query.First();