Sysoperation framework with Aot query

public class UpdatePriceFormulaIdOnItemsService__Custom extends SysOperationServiceBase
{
    #OCCRetrycount
    public void processOperation(UpdatePriceFormulaIdOnItemsContract__Custom _contract)
    {
        Query               orderQuery;

        orderQuery      = _contract.getQuery();
        container       compCon = str2con(_contract.parmCompany(), SysAppUtilities__Custom::semiColon);
        QueryRun    queryRun = new QueryRun(orderQuery);
        while (queryRun.Next())
        {
            InventTable inventTable = queryRun.get(tableNum(InventTable));
            try
            {
                PriceFormulaId__Custom  priceFormulaIdMaster = this.getPriceFormulaId(inventTable);

                //DSSE
                if (inventTable &&
                    inventTable.PriceFormulaIdMaster__Custom != priceFormulaIdMaster)
                {
                    ttsbegin;
                    inventTable.selectForUpdate(true);
                    inventTable.PriceFormulaIdMaster__Custom = priceFormulaIdMaster;
                    inventTable.PriceFormulaId__Custom = priceFormulaIdMaster;
                    inventTable.doUpdate();
                    ttscommit;
                }

                for (int i=1; i<=conLen(compCon); i++)
                {
                    DataAreaId  company = conPeek(compCon, i);
                    changecompany(company)
                    {
                        InventTable inventTableSales = InventTable::find(inventTable.ItemId);
                        PriceFormulaId__Custom  priceFormulaId = this.getPriceFormulaId(inventTableSales);

                        if (inventTableSales &&
                            inventTableSales.PriceFormulaId__Custom != priceFormulaId)
                        {
                            ttsbegin;
                            inventTableSales.selectForUpdate(true);
                            inventTableSales.PriceFormulaIdMaster__Custom = priceFormulaIdMaster;
                            inventTableSales.PriceFormulaId__Custom = priceFormulaId;
                            inventTableSales.doUpdate();
                            ttscommit;
                        }
                    }
                }

                info(strfmt("@_CustomtITServices:SucessUpdateItem", inventTable.ItemId));
            }
            catch (Exception::Deadlock)
            {
                retry;
            }
            catch (Exception::UpdateConflict)
            {
                if (appl.ttsLevel() == 0)
                {
                    if (xSession::currentRetryCount() >= #RetryNum)
                    {
                        warning(strFmt("@_CustomtITServices:FaliedUpdateItem", inventTable.ItemId));
                        continue;
                    }
                    else
                    {
                        retry;
                    }
                }
                else
                {
                    warning(strFmt("@_CustomtITServices:FaliedUpdateItem", inventTable.ItemId));
                    continue;
                }
            }
            catch (Exception::Error)
            {
                warning(strFmt("@_CustomtITServices:FaliedUpdateItem", inventTable.ItemId));
                continue;
            }
        }
    }

    public PriceFormulaId__Custom getPriceFormulaId(InventTable _inventTable)
    {
        DimensionValue      brandDim;
        EcoResCategoryId    ecoResCategoryId;
        container           catCon  = conNull();

        if (_inventTable)
        {
            brandDim            = _CustomtITServicesUtility__Custom::getDimension_CustomplayValue(_inventTable.DefaultDimension, SysAppUtilities__Custom::dimensionAttributeNameBrand);
            catCon              = _CustomtITServicesUtility__Custom::getProdCategories(_inventTable.ItemId);
        }

        ItemPriceFormula__Custom    itemPriceFormula;
        
        if (_inventTable.ItemId)
        {
            itemPriceFormula    = ItemPriceFormula__Custom::findByItem(_inventTable.ItemId);
        }
           
        if (!itemPriceFormula && catCon != conNull() && brandDim)
        {
            for (int i=1; i<=conLen(catCon); i++)
            {
                ecoResCategoryId    = EcoResCategory::find(conPeek(catCon, i)).RecId;
                itemPriceFormula    = ItemPriceFormula__Custom::findByCategoryBrand(ecoResCategoryId, brandDim);
                if (itemPriceFormula)
                {
                    break;
                }
            }
        }

        if (!itemPriceFormula && brandDim)
        {
            itemPriceFormula    = ItemPriceFormula__Custom::findByBrand(brandDim);
        }
        
        if (!itemPriceFormula && catCon != conNull())
        {
            for (int i=1; i<=conLen(catCon); i++)
            {
                ecoResCategoryId    = conPeek(catCon, i);
                itemPriceFormula    = ItemPriceFormula__Custom::findByCategory(ecoResCategoryId);
                if (itemPriceFormula)
                {
                    break;
                }
            }
        }

        return itemPriceFormula.PriceFormulaId;
    }

}
=====================
public class UpdatePriceFormulaIdOnItemsController__Custom extends SysOperationServiceController
{
    // <summary>
    /// Creates a new instance of <c>UpdateEndOfLifeOnItemsController__Custom</c> class.
    /// </summary>
    /// <param name = "_args">A controller arguments.</param>
    /// <returns>A instance of <c>SysOperationController</c> class.</returns>
    public static UpdatePriceFormulaIdOnItemsController__Custom construct(Args _args)
    {
        UpdatePriceFormulaIdOnItemsController__Custom controller = new UpdatePriceFormulaIdOnItemsController__Custom();
        controller.parmArgs(_args);

        return controller;
    }

    /// <summary>
    /// Instantiate controller.
    /// </summary>
    protected void new()
    {
        super(classStr(UpdatePriceFormulaIdOnItemsService__Custom), methodStr(UpdatePriceFormulaIdOnItemsService__Custom, processOperation));

        this.parmDialogCaption("@_CustomtITServices:UpdatePriceFormulaIdItem");
    }

    /// <summary>
    /// Runs the class with the specified arguments.
    /// </summary>
    /// <param name = "_args">The specified arguments.</param>
    public static void main(Args _args)
    {
        UpdatePriceFormulaIdOnItemsController__Custom controller = UpdatePriceFormulaIdOnItemsController__Custom::newFromArgs(_args);
        controller.parmExecutionMode(SysOperationExecutionMode::Synchronous);
        controller.startOperation();
    }

    /// <summary>
    /// Instantiate and initialize controller class.
    /// </summary>
    /// <param name = "_args">The specified arguments.</param>
    /// <returns>
    /// returns controller class.
    /// </returns>
    public static UpdatePriceFormulaIdOnItemsController__Custom newFromArgs(Args _args)
    {
        UpdatePriceFormulaIdOnItemsController__Custom controller = UpdatePriceFormulaIdOnItemsController__Custom::construct(_args);
        return controller;
    }

}
==================
[DataContractAttribute, SysOperationContractProcessingAttribute(ClassStr(UpdatePriceFormulaIdOnItemsUIbuilder__Custom))]
public class UpdatePriceFormulaIdOnItemsContract__Custom
{
    str     packedQuery;
    Str                     company;
    /// <summary>
    ///    Initialize query
    /// </summary>
    public void initQuery()
    {
        Query   newQuery;
        newQuery = new Query(queryStr(InventTable));
        this.setQuery(newQuery);
    }

    /// <summary>
    ///     Get/Set the packed query
    /// </summary>
    /// <param name = "_packedQuery">query</param>
    /// <returns>string</returns>
    [
    DataMemberAttribute,
    AifQueryTypeAttribute('_packedQuery', queryStr(InventTable))
    ]
    public str parmPackedQuery(str _packedQuery = packedQuery)
    {
        packedQuery = _packedQuery;

        return packedQuery;
    }

    /// <summary>
    ///     Get the query
    /// </summary>
    /// <returns>Query</returns>
    public Query getQuery()
    {
        return
        new Query(SysOperationHelper::base64Decode(packedQuery));
    }

    /// <summary>
    ///     Set the query
    /// </summary>
    /// <param name = "_query">query</param>
    public void setQuery(Query _query)
    {
        packedQuery = SysOperationHelper::base64Encode(_query.pack());
    }

    // <summary>
    /// Gets or sets the value of the datacontract parameter company.
    /// </summary>
    /// <param name="_company">
    /// The new value of the datacontract parameter company; optional.
    /// </param>
    /// <returns>
    ///  The current value of datacontract parameter company
    /// </returns>
    [
        DataMemberAttribute,
        SysOperationLabelAttribute(literalStr("@_CustomtITServices:Company")),
        SysOperation_CustomplayOrderAttribute("1")
    ]
    public Str parmCompany(Str _company = company)
    {
        company = _company;
        return company;
    }

}

Iterate through extended child classes dynamically using X++

/// <summary>
/// Base class for search
/// </summary>
class searchBaseClass
{
    const private Integer priorityMax = 99;

    /// <summary>
    /// Method that searches for values
    /// </summary>
   
    protected void search(//your parmeters)
    {
    }

    /// <summary>
    /// Method that indicates the class priority and therefor the number in which it is executed
    /// </summary>
    /// <returns>
    /// An integer indicating the class priority and therefor the number in which it is executed
    /// </returns>
    protected Priority priority()
    {
        return searchBaseClass::PriorityMax;
    }

    /// <summary>
    /// Method that creates a map of search classes to be executed in a priorized way
    /// </summary>
    /// <returns>
    /// A map containing class objects to execute
    /// </returns>
    private Map createExecutionMap()
    {
        DictClass                       dictClass;
        searchBaseClass    		searchBase;
        ListEnumerator                  listEnumerator;
        List                            listClass = new DictClass(classnum(searchBaseClass)).extendedBy();
        Map                             mapExecutionClasses = new Map(Types::Integer, Types::Class);

        listEnumerator = listClass.getEnumerator();
        while (listEnumerator.moveNext())
        {
            dictClass = new DictClass(listEnumerator.current());
            if (dictClass)
            {
                searchBase = dictClass.makeObject();
                if (searchBase)
                {
                    // Add class object to execution list unless the priority is already added
                    if (!mapExecutionClasses.exists(searchBase.priority()))
                    {
                        mapExecutionClasses.insert(searchBase.priority(), searchBase);
                    }
                    else
                    {
                        warning(strFmt("SearchSkipped", dictClass.name(), searchBase.priority()));
                    }
                }
            }
        }

        return mapExecutionClasses;
    }

    /// <summary>
    /// Method that run through all classes that searches for data
    /// </summary>
    public void run()
    {
        searchBaseClass  		  	  searchBase;
        Map                           mapExecutionClasses;

        mapExecutionClasses = this.createExecutionMap();

        for (int i = 1; i <= searchBase::priorityMax; i++)
        {
            if (mapExecutionClasses.exists(i))
            {
                searchBase = mapExecutionClasses.lookup(i);
                if (searchBase)
                {
                    searchBase.search();
                }
            }
        }
    }

}


/// <summary>
/// child Class searching 
/// </summary>
class searchChildClass extends searchBaseClass
{
    /// <summary>
    /// Method that indicates the class priority and therefor the number in which it is executed
    /// </summary>
    /// <returns>
    /// An integer indicating the class priority and therefor the number in which it is executed
    /// </returns>
    protected Priority priority()
    {
        return 1;
    }

    /// <summary>
    /// Method searching
    /// </summary>
  
    protected void search(//your parmeters)
    {
        //your logic
    }