Create Product and Released Product using X++ code in Ax 2012

public void Create_Product(ItemId _itemid,ItemName _itemname,Name _searchname,Name _name,ProductType _ProductType)
{
  //Classes
    EcoResProductService                            ecoResProdService;
    EcoResEcoResProduct                             ecoResEcoResProduct;
    EcoResEcoResProduct_Product_Distinct            ecoResEcoResProduct_Product_Distinct;
    EcoResEcoResProduct_Translation                 ecoResEcoResProduct_Translation;
    EcoResEcoResProduct_Identifier                  ecoResEcoResProduct_Identifier;

 //Tables
    InventTable                                     inventTable;
    InventTableModule                               inventTableModule;
    InventItemSetupSupplyType                       inventItemSetupSupplyType;
    InventModelGroupItem                            inventModelGroupItem;
    InventItemGroupItem                             inventItemGroupItem;
    NumberSequenceTable                             numberSequenceTable;

    EcoResProduct                                   ecoResProduct;
    EcoResStorageDimensionGroupProduct              ecoResStorageDimensionGroupProduct;
    EcoResTrackingDimensionGroupProduct             ecoResTrackingDimensionGroupProduct;
    EcoResStorageDimensionGroupItem                 ecoResStorageDimensionGroupItem;
    EcoResTrackingDimensionGroupItem                ecoResTrackingDimensionGroupItem;
    DataAreaId                                      _dataAreaId=curext();

 //Object Creating Class
    ecoResProdService                       = EcoResProductService::construct();
    ecoResEcoResProduct                     = new EcoResEcoResProduct();
    ecoResEcoResProduct_Product_Distinct    = new EcoResEcoResProduct_Product_Distinct();

//Newly created and initialize product
    ecoResEcoResProduct_Product_Distinct.parmDisplayProductNumber(_itemid);
    ecoResEcoResProduct_Product_Distinct.parmProductType(EcoResProductType::Item);
    ecoResEcoResProduct_Product_Distinct.parmSearchName(_searchname);

//Create a new translation object:
    ecoResEcoResProduct_Translation = ecoResEcoResProduct_Product_Distinct.createTranslation().addNew();
    ecoResEcoResProduct_Translation.parmDescription(_searchname);
    ecoResEcoResProduct_Translation.parmLanguageId(CompanyInfo::languageId());
    ecoResEcoResProduct_Translation.parmName(_itemname);

//Create a new Identifier object:
    ecoResEcoResProduct_Identifier = ecoResEcoResProduct_Product_Distinct.createIdentifier().addNew();
    ecoResEcoResProduct_Identifier.parmProductNumber(_itemid);

//Assign Product Class to table
    ecoResEcoResProduct.createProduct().add(ecoResEcoResProduct_Product_Distinct);
    ecoResProdService.create(ecoResEcoResProduct);
    info("Product is Creted");

 //Realsed Product
    select firstOnly ecoResProduct where EcoResProduct.DisplayProductNumber == _itemid;

//Storage dimension group
    ecoResStorageDimensionGroupProduct.clear();
    ecoResStorageDimensionGroupProduct.initValue();
    ecoResStorageDimensionGroupProduct.Product               = ecoResProduct.RecId;
    ecoResStorageDimensionGroupProduct.StorageDimensionGroup = EcoResStorageDimensionGroup::findByDimensionGroupName("Site").RecId;
    if (ecoResStorageDimensionGroupProduct.validateWrite())
    {
        ecoResStorageDimensionGroupProduct.insert();
    }

 //Tracking dimension group
    ecoResTrackingDimensionGroupProduct.clear();
    ecoResTrackingDimensionGroupProduct.initValue();
    ecoResTrackingDimensionGroupProduct.Product                = ecoResProduct.RecId;
    ecoResTrackingDimensionGroupProduct.TrackingDimensionGroup = EcoResTrackingDimensionGroup::findByDimensionGroupName("Serial").RecId;
    if (ecoResTrackingDimensionGroupProduct.validateWrite())
    {
        ecoResTrackingDimensionGroupProduct.insert();
    }


    if (!numberSequenceTable.RecId || numberSequenceTable.Manual)
    {
        itemId = ecoResProduct.productNumber();
    }
    else //number sequence auto, get a number
    {
        itemId = NumberSeq::newGetNumFromId(numberSequenceTable.RecId).num();
    }
    inventTable.clear();
    inventTable.initValue();
    inventTable.initFromEcoResProduct(ecoResProduct);
    inventTable.ItemId = ItemId;
    inventTable.NameAlias = ecoResProduct.SearchName;
    inventTable.insert(true);

// Create inventTableModules
    inventTableModule.clear();
    inventTableModule.initValue();
    inventTableModule.ItemId = inventTable.ItemId;
    inventTableModule.ModuleType = ModuleInventPurchSales::Invent;
    inventTableModule.insert();

    inventTableModule.clear();
    inventTableModule.initValue();
    inventTableModule.ItemId = inventTable.ItemId;
    inventTableModule.ModuleType = ModuleInventPurchSales::Purch;
    inventTableModule.insert();

    inventTableModule.clear();
    inventTableModule.initValue();
    inventTableModule.ItemId = inventTable.ItemId;
    inventTableModule.ModuleType = ModuleInventPurchSales::Sales;
    inventTableModule.insert();

//Inventory model group
    inventModelGroupItem.clear();
    inventModelGroupItem.initValue();
    inventModelGroupItem.ItemDataAreaId = inventTable.dataAreaId;
    inventModelGroupItem.ItemId         = inventTable.ItemId;
    inventModelGroupItem.ModelGroupId   = "FIFO";
    inventModelGroupItem.ModelGroupDataAreaId = curext();
    inventModelGroupItem.insert();

//Item group
    inventItemGroupItem.clear();
    inventItemGroupItem.initValue();
    inventItemGroupItem.ItemDataAreaId = inventTable.dataAreaId;
    inventItemGroupItem.ItemId         = inventTable.ItemId;
    inventItemGroupItem.ItemGroupId    = "Sevices";
    inventItemGroupItem.ItemGroupDataAreaId = curext();
    inventItemGroupItem.insert();

//Create inventItemLocation
    InventItemLocation::createDefault(inventTable.ItemId);

// Creates a new item default order type for the product that is released.
    inventItemSetupSupplyType.clear();
    inventItemSetupSupplyType.initValue();
    inventItemSetupSupplyType.ItemId = inventTable.ItemId;
    inventItemSetupSupplyType.ItemDataAreaId = inventTable.DataAreaId;
    inventItemSetupSupplyType.insert();

//create relationship tables to dimension groups.
    ecoResStorageDimensionGroupProduct  = EcoResStorageDimensionGroupProduct::findByProduct(ecoResProduct.RecId);
    ecoResTrackingDimensionGroupProduct = EcoResTrackingDimensionGroupProduct::findByProduct(ecoResProduct.RecId);

// mandatory storage dimension group for the product
    if (ecoResStorageDimensionGroupProduct.RecId)
    {
        ecoResStorageDimensionGroupItem.clear();
        ecoResStorageDimensionGroupItem.ItemDataAreaId = inventTable.DataAreaId;
        ecoResStorageDimensionGroupItem.ItemId = inventTable.ItemId;
        ecoResStorageDimensionGroupItem.StorageDimensionGroup = ecoResStorageDimensionGroupProduct.StorageDimensionGroup;
        ecoResStorageDimensionGroupItem.insert();
    }
 // mandatory tracking dimension group for the product
    if (ecoResTrackingDimensionGroupProduct.RecId)
    {
        ecoResTrackingDimensionGroupItem.clear();
        ecoResTrackingDimensionGroupItem.ItemDataAreaId = inventTable.DataAreaId;
        ecoResTrackingDimensionGroupItem.ItemId = inventTable.ItemId;
        ecoResTrackingDimensionGroupItem.TrackingDimensionGroup = ecoResTrackingDimensionGroupProduct.TrackingDimensionGroup;
        ecoResTrackingDimensionGroupItem.insert();
    }
    info(strfmt("Product successfully released to UsMf legal entity"));
}