_model.deleteResource(resource.getRsrcID());
        }
        HumanResourceRole[] hResPerformsRole = _model.getHresPerformsRoles();
        for (int i = 0; i < hResPerformsRole.length; i++) {
            HumanResourceRole humanResourceRole = hResPerformsRole[i];
            _model.delHResPerformsRole(humanResourceRole.getHumanResource().getRsrcID(),
                    humanResourceRole.getRole().getRoleName());
        }
    }