hongji.li
2023-11-03 aefafd2142478d4fb07d6b8b45c3047e247389e0
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Quintiq file version 2.0
#parent: #root
StaticMethod CheckIsUnique (
  AccountCost cost,
  AccountCost previouscost,
  AccountCost nextcost
) declarative as Boolean
{
  Description: 'Return true if the cost is unique for the owner'
  TextBody:
  [*
    // soh yee Jan-2-2014 (created)
    
    value := guard( cost.Start() <> previouscost.Start()
                    or cost.AccountAssignment() <> previouscost.AccountAssignment(), true )
             and
             guard( cost.Start() <> nextcost.Start()
                    or cost.AccountAssignment() <> nextcost.AccountAssignment(), true );
    
    return value;
  *]
}