OptionSetMemberLink

AP242	Windchill
SpecificationAssignment	e_ OptionSetMemberLink
从 SpecificationAssignment.assignedTo 中参考的 ProductClass 中获取相关的 OptionSet	OptionSetRef.ObjectReference.ufid = OptionSet.ObjectId.ufid
从 SpecificationAssignment.assignedSpecification 中参考的规范中获取相关的选择	ChoiceMasterRef.ObjectReference.ufid =choice.MasterUfid
获取 DataValidityEffectivity 上分配的 SpecificationAssignmentDataValidityEffectivity.startDefinition	startDate
DataValidityEffectivity.endDefinition	endDate
	objectId.LocalId =com.ptc.windchill.option.model.OptionSetMemberLink: +random number

#872= SPECIFICATIONASSIGNMENT($,$,#634,#207);
#878= DATAVALIDITYEFFECTIVITY($,$,$,$,$,$,DATETIMESTRING('1861862535000')
,$,DATETIMESTRING('1521792135000'));
#879= EFFECTIVITYASSIGNMENT($,$,$,CLASSSTRING('required'),#878,#872,.T.);