public GenerateBookCommission(ICommissionManager commissionCalc = null)
 {
     _generateCommission = new GenerateCommission(commissionCalc);
 }
 public override void Dispose()
 {
     _generateCommission?.Dispose();
     _generateCommission = null;
 }
 public GenerateBookCommission()
 {
     _generateCommission = new GenerateCommission();
 }