1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
  | 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; 
 |    *] 
 |  } 
 |  
  |