private void ImportOneUnit(MCS.Library.SOA.DataObjects.Security.SCObjectSet objectSet, Operations.IFacade exec, ImportContextWrapper wrapper, SchemaObjectBase parent, int totalSteps, AdminUnit unit)
        {
            int currentStep = 0;
            var scopes = (from m in objectSet.Membership where m.ContainerID == unit.ID && m.MemberSchemaType == AUCommon.SchemaAUAdminScope && m.Status == Schemas.SchemaProperties.SchemaObjectStatus.Normal join o in objectSet.Objects on m.ID equals o.ID where o.SchemaType == AUCommon.SchemaAUAdminScope && o.Status == Schemas.SchemaProperties.SchemaObjectStatus.Normal select (AUAdminScope)o).ToArray();
            var roles = (from m in objectSet.Membership where m.ContainerID == unit.ID && m.MemberSchemaType == AUCommon.SchemaAdminUnitRole && m.Status == Schemas.SchemaProperties.SchemaObjectStatus.Normal join o in objectSet.Objects on m.ID equals o.ID where o.SchemaType == AUCommon.SchemaAdminUnitRole && o.Status == Schemas.SchemaProperties.SchemaObjectStatus.Normal select (AURole)o).ToArray();
            try
            {
                currentStep++;
                wrapper.SetStatusAndLog(currentStep, totalSteps, "正在导入管理单元" + unit.GetQualifiedName());
                exec.AddAdminUnitWithMembers(unit, (AdminUnit)parent, roles, scopes);
                ImportRoleMembers(objectSet, exec, wrapper, totalSteps, unit, currentStep, roles);

                ImportConditions(objectSet, exec, wrapper, totalSteps, unit, currentStep, scopes);

                if (this.ImportSubUnits)
                {
                    wrapper.IncreaseLevel();
                    var subs = (from r in objectSet.Relations where r.ParentID == unit.ID && r.ChildSchemaType == AUCommon.SchemaAdminUnit && r.Status == Schemas.SchemaProperties.SchemaObjectStatus.Normal join o in objectSet.Objects on r.ID equals o.ID where o.Status == Schemas.SchemaProperties.SchemaObjectStatus.Normal && o.SchemaType == AUCommon.SchemaAdminUnit select (AdminUnit)o).ToArray();
                    int count = subs.Length;
                    foreach (AdminUnit s in subs)
                    {
                        ImportOneUnit(objectSet, exec, wrapper, unit, count, s);
                    }

                    wrapper.DecreaseLevel();
                }
            }
            catch (Exception ex)
            {
                wrapper.IncreaseError();
                wrapper.SetStatusAndLog(currentStep, totalSteps, string.Format("导入单元 {0} 失败,原因是:{1}", unit.GetQualifiedName(), ex.ToString()));
            }
        }