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  | Quintiq file version 2.0 
 |  #parent: #root 
 |  Method SynchronizePeriodAlignment ( 
 |    DateTime startofplanning, 
 |    Boolean isupdatealignment, 
 |    Boolean issynchronize, 
 |    Boolean isfromdb 
 |  ) 
 |  { 
 |    Description: 'Adjust the start of current to the given datetime.' 
 |    TextBody: 
 |    [* 
 |      // DWE2 Apr-28-2016 (created) 
 |      newdate := startofplanning; 
 |       
 |      if( isupdatealignment ) 
 |      { 
 |        newdate := PeriodSpecification_MP::GetAlignedStart( this.PeriodAlignment(), 
 |                                                            startofplanning, 
 |                                                            this.TimeUnit(), 
 |                                                            this.NrOfTimeUnit() ); 
 |      } 
 |       
 |      this.Update( this.ID(), 
 |                   this.TimeUnit(), 
 |                   this.NrOfTimeUnit(), 
 |                   newdate, 
 |                   this.NrOfHistoricalPeriod(), 
 |                   this.NrOfFuturePeriod(), 
 |                   issynchronize, 
 |                   isfromdb, // We will only sync the periods after we generate new periods. 
 |                   this.IsUsedForPlanning(), 
 |                   false /*iscleanupactuals*/ );  // This method is called when we call change in start of planning, 
 |                                                  // which will update multiple period specs, so we only clean up actualpispips 
 |                                                  // after all period specs have been updated 
 |    *] 
 |  } 
 |  
  |