我已经编写了类似于accesss = none的代码。但是,如果我执行元模型,则会显示消息>>
Cannot bind field accesses to the empty set or empty relation
如何修复我的代码?
sig months_prior_to_open_day extends BusinessEvent {} {
triggers = open_day_planning accesses = none
}
sig open_day_planning extends BusinessProcess {} {
flows_to = none
realizes = none
uses = none
aggregates = none
triggers = send_update_to_subject_staff
accesses = none
}
我已经编写了类似于accesss = none的代码。但是,如果我执行元模型,则会出现消息,无法将字段访问绑定到空集或空关系。如何修复代码? sig ...
尝试改写no accesses
。