Created
January 15, 2013 01:25
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Employee Monoid
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| case class Monoid(e:Set[Employee]) { | |
| def plus(a:Employee,b:Employee)= { | |
| if(a.age > b.age) a else | |
| if(b.age > a.age) b else | |
| if(a.tenure > b.tenure) a else | |
| if(b.tenure > a.tenure) b else | |
| if (a.salary > b.salary) b else | |
| if(b.salary > a.salary) a else | |
| if( math.random > 0.5) a else b | |
| } | |
| val identity = Employee(0,0,0,"id") | |
| val theUnluckyOne = e.foldLeft(identity)((a,b)=>plus(a,b)) | |
| } | |
| scala> Monoid(empDB.toSet).theUnluckyOne | |
| res2: Employee = Employee(35,6,85079,emp7435) |
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