X++ code to find the Hierarchy Positions in AX 2012

This code will be used to find out the Reporting Hierarchy positions In AX 2012


class RecursionPosition
{
    str UserId;
}

void recursiveCallProj(HcmPositionRecid    _position = 0)
{
    HcmPositionHierarchy HcmPositionHierarchy;
    HierarchyPosition   hierarchyPosition;
    HcmPosition         posi;
    HcmWorker           work;
    int64               recid;
    ;
    while select HcmPositionHierarchy
    where HcmPositionHierarchy.ParentPosition == _position
    {
       
        select Posi where posi.RecId == HcmPositionHierarchy.Position;
        recid = hcmposition::getWorker(posi.RecId);
        select work where work.RecId == recid;
        hierarchyPosition.Position = work.RecId;
        hierarchyPosition.userid = curuserid();
        hierarchyPosition.insert();

        this.recursiveCallProj(HcmPositionHierarchy.Position);

    }
}

public static void postion(str userid)
{
    HcmPositionRecid        _position; //= 5637144597;
    HcmPositionHierarchy    HcmPositionHierarchy;
    RecursionPosition       RecursionPosition;
    HcmPosition             posi;
    int64                   recid;
    HcmWorker               work;
    HierarchyPosition   hierarchyPosition;//temp Table
   

    ;
   
    _position = HcmPositionWorkerAssignment::getActivePositionWorkerAssignment(HcmWorker::find(HcmWorker::userId2Worker(userid)).RecId).Position;
    //_position = HcmPositionWorkerAssignment::getActivePositionWorkerAssignment(HcmWorker::findByPersonnelNumber(personnelno).RecId).Position;
    RecursionPosition = new RecursionPosition();
    while select HcmPositionHierarchy
    where HcmPositionHierarchy.ParentPosition == _position
    {
       
        select Posi where posi.RecId == HcmPositionHierarchy.Position;
        recid = hcmposition::getWorker(posi.RecId);
        select work where work.RecId == recid;
        hierarchyPosition.Position = work.RecId;
        hierarchyPosition.userid = curUserId();
        hierarchyPosition.insert();


        RecursionPosition.recursiveCallProj(HcmPositionHierarchy.Position);

    }


 }