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Contents
vocabulary OilSupply;
/*
* Value Types
*/
Cost is written as Money;
Month Nr is written as Signed Integer(32);
Product Name is written as String;
Quantity is written as Unsigned Integer(32);
Refinery Name is written as String(80);
Region Name is written as String;
Season is written as String(6) restricted to {'Autumn', 'Spring', 'Summer', 'Winter'};
Transport Method is written as String restricted to {'Rail', 'Road', 'Sea'};
Year Nr is written as Signed Integer(32);
/*
* Entity Types
*/
Month is identified by its Nr restricted to {1..12};
Month is in one Season;
Product is identified by its Name;
Refinery is identified by its Name;
Region is identified by its Name;
Transport Route is where
Transport Method transportation is available from Refinery to Region,
Transport Method transportation is available to Region from Refinery;
Transport Route incurs at most one Cost per kl;
Year is identified by its Nr;
Acceptable Substitutes is where
Product may be substituted by alternate-Product in Season [acyclic, intransitive],
alternate-Product is an acceptable substitute for Product in Season;
Supply Period is identified by Year and Month where
Supply Period is in one Year,
Supply Period is in one Month;
Production Forecast is where
Refinery forecasts production of Product in Supply Period;
Production Forecast predicts at most one Cost;
Production Forecast is for one Quantity;
Regional Demand is where
Region will need Product in Supply Period;
Regional Demand is for at most one Quantity;
Version data entries
8 entries across 8 versions & 1 rubygems