/*This code was generated using the UMPLE modeling language!*/

package InventoryManagement;

import java.sql.Time;
import java.sql.Date;
import java.util.ArrayList;
import java.util.Iterator;
import InventoryManagement.json.*;
import InventoryManagement.core.*;

public class InventoryManagementFacade {
  // Singleton instance.
  private static InventoryManagementFacade theInstance;

  //System registry.
  InventoryManagementRegistry registry =
    InventoryManagementRegistry.getInstance();

  /**
   * Dummy constructor
   */
  private InventoryManagementFacade() {
  }

  /**
   * Returns the only instance of the Facade.
   * 
   * @return
   */
  public static InventoryManagementFacade getInstance() {
    if (theInstance == null)
      theInstance = new InventoryManagementFacade();
    return theInstance;
  }

  public int constructReceivedDelivery(String aNumberReceived,
    String aActualCostPerUnit, int aSupplier) {
    return registry.add(new ReceivedDelivery(aNumberReceived,
      aActualCostPerUnit, (Supplier) registry.getValue(aSupplier)));
  }

  public JSONObject constructReceivedDeliveryJSON(String aNumberReceived,
    String aActualCostPerUnit, int aSupplier) throws JSONException {
    ReceivedDelivery contextObj =
      new ReceivedDelivery(aNumberReceived, aActualCostPerUnit,
        (Supplier) registry.getValue(aSupplier));
    registry.add(contextObj);
    return contextObj.getAttributes();
  }

  public boolean setNumberReceivedInReceivedDelivery(int context,
    String aNumberReceived) {
    return ((ReceivedDelivery) registry.getValue(context))
      .setNumberReceived(aNumberReceived);
  }

  public boolean setActualCostPerUnitInReceivedDelivery(int context,
    String aActualCostPerUnit) {
    return ((ReceivedDelivery) registry.getValue(context))
      .setActualCostPerUnit(aActualCostPerUnit);
  }

  public String getNumberReceivedFromReceivedDelivery(int context) {
    return ((ReceivedDelivery) registry.getValue(context)).getNumberReceived();
  }

  public String getActualCostPerUnitFromReceivedDelivery(int context) {
    return ((ReceivedDelivery) registry.getValue(context))
      .getActualCostPerUnit();
  }

  public int getSupplierFromReceivedDelivery(int context) {
    return registry.getKey(((ReceivedDelivery) registry.getValue(context))
      .getSupplier());
  }

  public JSONObject getSupplierFromReceivedDeliveryJSON(int context)
    throws JSONException {
    return ((ReceivedDelivery) registry.getValue(context)).getSupplier()
      .getAttributes();
  }

  /************
   * Method returns an iterator to the list of id's of the elements involved in this list.
   ***************/
  public Iterator getReceivedLineItemsFromReceivedDelivery(int context) {
    ArrayList listOfIDs = new ArrayList();
    for (ReceivedLineItem obj : ((ReceivedDelivery) registry.getValue(context))
      .getReceivedLineItems()) {
      listOfIDs.add(registry.getKey(obj));
    }
    return listOfIDs.iterator();
  }

  public int addReceivedLineItemToReceivedDelivery(int context,
    String aNumberReceived, String aActualCostPerUnit, int aReceivedDelivery,
    int aSupplierOrderLineItem) throws Exception {
    return registry.getKey(((ReceivedDelivery) registry.getValue(context))
      .addReceivedLineItem(aNumberReceived, aActualCostPerUnit,
        (ReceivedDelivery) registry.getValue(aReceivedDelivery),
        (SupplierOrderLineItem) registry.getValue(aSupplierOrderLineItem)));
  }

  public JSONObject addReceivedLineItemToReceivedDeliveryJSON(int context,
    String aNumberReceived, String aActualCostPerUnit, int aReceivedDelivery,
    int aSupplierOrderLineItem) throws JSONException, Exception {
    return ((ReceivedDelivery) registry.getValue(context)).addReceivedLineItem(
      aNumberReceived, aActualCostPerUnit,
      (ReceivedDelivery) registry.getValue(aReceivedDelivery),
      (SupplierOrderLineItem) registry.getValue(aSupplierOrderLineItem))
      .getAttributes();
  }

  public int addReceivedLineItemToReceivedDeliveryOnly(int context,
    int aReceivedLineItem) throws Exception {
    return registry.getKey(((ReceivedDelivery) registry.getValue(context))
      .addReceivedLineItem((ReceivedLineItem) registry
        .getValue(aReceivedLineItem)));
  }

  public JSONObject addReceivedLineItemToReceivedDeliveryOnlyJSON(int context,
    int aReceivedLineItem) throws JSONException, Exception {
    return ((ReceivedDelivery) registry.getValue(context)).addReceivedLineItem(
      (ReceivedLineItem) registry.getValue(aReceivedLineItem)).getAttributes();
  }

  public void setSupplierInReceivedDelivery(int context, int aSupplier)
    throws Exception {
    ((ReceivedDelivery) registry.getValue(context))
      .setSupplier((Supplier) registry.getValue(aSupplier));
  }

  public void deleteReceivedDelivery(int context) {
    ((ReceivedDelivery) registry.getValue(context)).delete();
    registry.removeObj(context);
  }

  public void deleteReceivedLineItemFromReceivedDelivery(int context,
    int aReceivedLineItem) {
    ((ReceivedDelivery) registry.getValue(context))
      .deleteReceivedLineItem((ReceivedLineItem) registry
        .getValue(aReceivedLineItem));
  }

  public JSONObject getAttributesOfReceivedDelivery(int context)
    throws JSONException {
    return ((ReceivedDelivery) registry.getValue(context)).getAttributes();
  }

  public int constructOrderToSupplier(String aPoNumber, String aDateOrdered,
    int aSupplier) {
    return registry.add(new OrderToSupplier(aPoNumber, aDateOrdered,
      (Supplier) registry.getValue(aSupplier)));
  }

  public JSONObject constructOrderToSupplierJSON(String aPoNumber,
    String aDateOrdered, int aSupplier) throws JSONException {
    OrderToSupplier contextObj =
      new OrderToSupplier(aPoNumber, aDateOrdered, (Supplier) registry
        .getValue(aSupplier));
    registry.add(contextObj);
    return contextObj.getAttributes();
  }

  public boolean setPoNumberInOrderToSupplier(int context, String aPoNumber) {
    return ((OrderToSupplier) registry.getValue(context))
      .setPoNumber(aPoNumber);
  }

  public boolean setDateOrderedInOrderToSupplier(int context,
    String aDateOrdered) {
    return ((OrderToSupplier) registry.getValue(context))
      .setDateOrdered(aDateOrdered);
  }

  public String getPoNumberFromOrderToSupplier(int context) {
    return ((OrderToSupplier) registry.getValue(context)).getPoNumber();
  }

  public String getDateOrderedFromOrderToSupplier(int context) {
    return ((OrderToSupplier) registry.getValue(context)).getDateOrdered();
  }

  public int getSupplierFromOrderToSupplier(int context) {
    return registry.getKey(((OrderToSupplier) registry.getValue(context))
      .getSupplier());
  }

  public JSONObject getSupplierFromOrderToSupplierJSON(int context)
    throws JSONException {
    return ((OrderToSupplier) registry.getValue(context)).getSupplier()
      .getAttributes();
  }

  /************
   * Method returns an iterator to the list of id's of the elements involved in this list.
   ***************/
  public Iterator getSupplierOrderLineItemsFromOrderToSupplier(int context) {
    ArrayList listOfIDs = new ArrayList();
    for (SupplierOrderLineItem obj : ((OrderToSupplier) registry
      .getValue(context)).getSupplierOrderLineItems()) {
      listOfIDs.add(registry.getKey(obj));
    }
    return listOfIDs.iterator();
  }

  public int addSupplierOrderLineItemToOrderToSupplier(int context,
    String aNumberOrdered, String aDateExpected, int aProductSource,
    int aOrderToSupplier) throws Exception {
    return registry.getKey(((OrderToSupplier) registry.getValue(context))
      .addSupplierOrderLineItem(aNumberOrdered, aDateExpected,
        (ProductSource) registry.getValue(aProductSource),
        (OrderToSupplier) registry.getValue(aOrderToSupplier)));
  }

  public JSONObject addSupplierOrderLineItemToOrderToSupplierJSON(int context,
    String aNumberOrdered, String aDateExpected, int aProductSource,
    int aOrderToSupplier) throws JSONException, Exception {
    return ((OrderToSupplier) registry.getValue(context))
      .addSupplierOrderLineItem(aNumberOrdered, aDateExpected,
        (ProductSource) registry.getValue(aProductSource),
        (OrderToSupplier) registry.getValue(aOrderToSupplier)).getAttributes();
  }

  public int addSupplierOrderLineItemToOrderToSupplierOnly(int context,
    int aSupplierOrderLineItem) throws Exception {
    return registry.getKey(((OrderToSupplier) registry.getValue(context))
      .addSupplierOrderLineItem((SupplierOrderLineItem) registry
        .getValue(aSupplierOrderLineItem)));
  }

  public JSONObject addSupplierOrderLineItemToOrderToSupplierOnlyJSON(
    int context, int aSupplierOrderLineItem) throws JSONException, Exception {
    return ((OrderToSupplier) registry.getValue(context))
      .addSupplierOrderLineItem(
        (SupplierOrderLineItem) registry.getValue(aSupplierOrderLineItem))
      .getAttributes();
  }

  public void setSupplierInOrderToSupplier(int context, int aSupplier)
    throws Exception {
    ((OrderToSupplier) registry.getValue(context))
      .setSupplier((Supplier) registry.getValue(aSupplier));
  }

  public void deleteOrderToSupplier(int context) {
    ((OrderToSupplier) registry.getValue(context)).delete();
    registry.removeObj(context);
  }

  public void deleteSupplierOrderLineItemFromOrderToSupplier(int context,
    int aSupplierOrderLineItem) {
    ((OrderToSupplier) registry.getValue(context))
      .deleteSupplierOrderLineItem((SupplierOrderLineItem) registry
        .getValue(aSupplierOrderLineItem));
  }

  public JSONObject getAttributesOfOrderToSupplier(int context)
    throws JSONException {
    return ((OrderToSupplier) registry.getValue(context)).getAttributes();
  }

  public int constructSupplier(String aId, String aName, String aAddress) {
    return registry.add(new Supplier(aId, aName, aAddress));
  }

  public JSONObject constructSupplierJSON(String aId, String aName,
    String aAddress) throws JSONException {
    Supplier contextObj = new Supplier(aId, aName, aAddress);
    registry.add(contextObj);
    return contextObj.getAttributes();
  }

  public boolean setIdInSupplier(int context, String aId) {
    return ((Supplier) registry.getValue(context)).setId(aId);
  }

  public boolean setNameInSupplier(int context, String aName) {
    return ((Supplier) registry.getValue(context)).setName(aName);
  }

  public boolean setAddressInSupplier(int context, String aAddress) {
    return ((Supplier) registry.getValue(context)).setAddress(aAddress);
  }

  public String getIdFromSupplier(int context) {
    return ((Supplier) registry.getValue(context)).getId();
  }

  public String getNameFromSupplier(int context) {
    return ((Supplier) registry.getValue(context)).getName();
  }

  public String getAddressFromSupplier(int context) {
    return ((Supplier) registry.getValue(context)).getAddress();
  }

  /************
   * Method returns an iterator to the list of id's of the elements involved in this list.
   ***************/
  public Iterator getProductSourcesFromSupplier(int context) {
    ArrayList listOfIDs = new ArrayList();
    for (ProductSource obj : ((Supplier) registry.getValue(context))
      .getProductSources()) {
      listOfIDs.add(registry.getKey(obj));
    }
    return listOfIDs.iterator();
  }

  /************
   * Method returns an iterator to the list of id's of the elements involved in this list.
   ***************/
  public Iterator getOrderToSuppliersFromSupplier(int context) {
    ArrayList listOfIDs = new ArrayList();
    for (OrderToSupplier obj : ((Supplier) registry.getValue(context))
      .getOrderToSuppliers()) {
      listOfIDs.add(registry.getKey(obj));
    }
    return listOfIDs.iterator();
  }

  /************
   * Method returns an iterator to the list of id's of the elements involved in this list.
   ***************/
  public Iterator getReceivedDeliverysFromSupplier(int context) {
    ArrayList listOfIDs = new ArrayList();
    for (ReceivedDelivery obj : ((Supplier) registry.getValue(context))
      .getReceivedDeliverys()) {
      listOfIDs.add(registry.getKey(obj));
    }
    return listOfIDs.iterator();
  }

  public int addProductSourceToSupplier(int context, String aSupplierCode,
    String aAdvertisedCostPerUnit, int aProduct, int aSupplier)
    throws Exception {
    return registry.getKey(((Supplier) registry.getValue(context))
      .addProductSource(aSupplierCode, aAdvertisedCostPerUnit,
        (Product) registry.getValue(aProduct), (Supplier) registry
          .getValue(aSupplier)));
  }

  public JSONObject addProductSourceToSupplierJSON(int context,
    String aSupplierCode, String aAdvertisedCostPerUnit, int aProduct,
    int aSupplier) throws JSONException, Exception {
    return ((Supplier) registry.getValue(context)).addProductSource(
      aSupplierCode, aAdvertisedCostPerUnit,
      (Product) registry.getValue(aProduct),
      (Supplier) registry.getValue(aSupplier)).getAttributes();
  }

  public int addProductSourceToSupplierOnly(int context, int aProductSource)
    throws Exception {
    return registry.getKey(((Supplier) registry.getValue(context))
      .addProductSource((ProductSource) registry.getValue(aProductSource)));
  }

  public JSONObject addProductSourceToSupplierOnlyJSON(int context,
    int aProductSource) throws JSONException, Exception {
    return ((Supplier) registry.getValue(context)).addProductSource(
      (ProductSource) registry.getValue(aProductSource)).getAttributes();
  }

  public int addOrderToSupplierToSupplier(int context, String aPoNumber,
    String aDateOrdered, int aSupplier) throws Exception {
    return registry.getKey(((Supplier) registry.getValue(context))
      .addOrderToSupplier(aPoNumber, aDateOrdered, (Supplier) registry
        .getValue(aSupplier)));
  }

  public JSONObject addOrderToSupplierToSupplierJSON(int context,
    String aPoNumber, String aDateOrdered, int aSupplier) throws JSONException,
    Exception {
    return ((Supplier) registry.getValue(context)).addOrderToSupplier(
      aPoNumber, aDateOrdered, (Supplier) registry.getValue(aSupplier))
      .getAttributes();
  }

  public int addOrderToSupplierToSupplierOnly(int context, int aOrderToSupplier)
    throws Exception {
    return registry
      .getKey(((Supplier) registry.getValue(context))
        .addOrderToSupplier((OrderToSupplier) registry
          .getValue(aOrderToSupplier)));
  }

  public JSONObject addOrderToSupplierToSupplierOnlyJSON(int context,
    int aOrderToSupplier) throws JSONException, Exception {
    return ((Supplier) registry.getValue(context)).addOrderToSupplier(
      (OrderToSupplier) registry.getValue(aOrderToSupplier)).getAttributes();
  }

  public int addReceivedDeliveryToSupplier(int context, String aNumberReceived,
    String aActualCostPerUnit, int aSupplier) throws Exception {
    return registry.getKey(((Supplier) registry.getValue(context))
      .addReceivedDelivery(aNumberReceived, aActualCostPerUnit,
        (Supplier) registry.getValue(aSupplier)));
  }

  public JSONObject addReceivedDeliveryToSupplierJSON(int context,
    String aNumberReceived, String aActualCostPerUnit, int aSupplier)
    throws JSONException, Exception {
    return ((Supplier) registry.getValue(context)).addReceivedDelivery(
      aNumberReceived, aActualCostPerUnit,
      (Supplier) registry.getValue(aSupplier)).getAttributes();
  }

  public int addReceivedDeliveryToSupplierOnly(int context,
    int aReceivedDelivery) throws Exception {
    return registry.getKey(((Supplier) registry.getValue(context))
      .addReceivedDelivery((ReceivedDelivery) registry
        .getValue(aReceivedDelivery)));
  }

  public JSONObject addReceivedDeliveryToSupplierOnlyJSON(int context,
    int aReceivedDelivery) throws JSONException, Exception {
    return ((Supplier) registry.getValue(context)).addReceivedDelivery(
      (ReceivedDelivery) registry.getValue(aReceivedDelivery)).getAttributes();
  }

  public void deleteSupplier(int context) {
    ((Supplier) registry.getValue(context)).delete();
    registry.removeObj(context);
  }

  public void deleteProductSourceFromSupplier(int context, int aProductSource) {
    ((Supplier) registry.getValue(context))
      .deleteProductSource((ProductSource) registry.getValue(aProductSource));
  }

  public void deleteOrderToSupplierFromSupplier(int context,
    int aOrderToSupplier) {
    ((Supplier) registry.getValue(context))
      .deleteOrderToSupplier((OrderToSupplier) registry
        .getValue(aOrderToSupplier));
  }

  public void deleteReceivedDeliveryFromSupplier(int context,
    int aReceivedDelivery) {
    ((Supplier) registry.getValue(context))
      .deleteReceivedDelivery((ReceivedDelivery) registry
        .getValue(aReceivedDelivery));
  }

  public JSONObject getAttributesOfSupplier(int context) throws JSONException {
    return ((Supplier) registry.getValue(context)).getAttributes();
  }

  public int constructProduct(String aOurCode, String aDescription,
    String aPicture, String aOurListPricePerunit, String aNumberInInventory,
    String aNumberToKeepInv) {
    return registry.add(new Product(aOurCode, aDescription, aPicture,
      aOurListPricePerunit, aNumberInInventory, aNumberToKeepInv));
  }

  public JSONObject constructProductJSON(String aOurCode, String aDescription,
    String aPicture, String aOurListPricePerunit, String aNumberInInventory,
    String aNumberToKeepInv) throws JSONException {
    Product contextObj =
      new Product(aOurCode, aDescription, aPicture, aOurListPricePerunit,
        aNumberInInventory, aNumberToKeepInv);
    registry.add(contextObj);
    return contextObj.getAttributes();
  }

  public boolean setOurCodeInProduct(int context, String aOurCode) {
    return ((Product) registry.getValue(context)).setOurCode(aOurCode);
  }

  public boolean setDescriptionInProduct(int context, String aDescription) {
    return ((Product) registry.getValue(context)).setDescription(aDescription);
  }

  public boolean setPictureInProduct(int context, String aPicture) {
    return ((Product) registry.getValue(context)).setPicture(aPicture);
  }

  public boolean setOurListPricePerunitInProduct(int context,
    String aOurListPricePerunit) {
    return ((Product) registry.getValue(context))
      .setOurListPricePerunit(aOurListPricePerunit);
  }

  public boolean setNumberInInventoryInProduct(int context,
    String aNumberInInventory) {
    return ((Product) registry.getValue(context))
      .setNumberInInventory(aNumberInInventory);
  }

  public boolean setNumberToKeepInvInProduct(int context,
    String aNumberToKeepInv) {
    return ((Product) registry.getValue(context))
      .setNumberToKeepInv(aNumberToKeepInv);
  }

  public String getOurCodeFromProduct(int context) {
    return ((Product) registry.getValue(context)).getOurCode();
  }

  public String getDescriptionFromProduct(int context) {
    return ((Product) registry.getValue(context)).getDescription();
  }

  public String getPictureFromProduct(int context) {
    return ((Product) registry.getValue(context)).getPicture();
  }

  public String getOurListPricePerunitFromProduct(int context) {
    return ((Product) registry.getValue(context)).getOurListPricePerunit();
  }

  public String getNumberInInventoryFromProduct(int context) {
    return ((Product) registry.getValue(context)).getNumberInInventory();
  }

  public String getNumberToKeepInvFromProduct(int context) {
    return ((Product) registry.getValue(context)).getNumberToKeepInv();
  }

  /************
   * Method returns an iterator to the list of id's of the elements involved in this list.
   ***************/
  public Iterator getProductSourcesFromProduct(int context) {
    ArrayList listOfIDs = new ArrayList();
    for (ProductSource obj : ((Product) registry.getValue(context))
      .getProductSources()) {
      listOfIDs.add(registry.getKey(obj));
    }
    return listOfIDs.iterator();
  }

  public int addProductSourceToProduct(int context, String aSupplierCode,
    String aAdvertisedCostPerUnit, int aProduct, int aSupplier)
    throws Exception {
    return registry.getKey(((Product) registry.getValue(context))
      .addProductSource(aSupplierCode, aAdvertisedCostPerUnit,
        (Product) registry.getValue(aProduct), (Supplier) registry
          .getValue(aSupplier)));
  }

  public JSONObject addProductSourceToProductJSON(int context,
    String aSupplierCode, String aAdvertisedCostPerUnit, int aProduct,
    int aSupplier) throws JSONException, Exception {
    return ((Product) registry.getValue(context)).addProductSource(
      aSupplierCode, aAdvertisedCostPerUnit,
      (Product) registry.getValue(aProduct),
      (Supplier) registry.getValue(aSupplier)).getAttributes();
  }

  public int addProductSourceToProductOnly(int context, int aProductSource)
    throws Exception {
    return registry.getKey(((Product) registry.getValue(context))
      .addProductSource((ProductSource) registry.getValue(aProductSource)));
  }

  public JSONObject addProductSourceToProductOnlyJSON(int context,
    int aProductSource) throws JSONException, Exception {
    return ((Product) registry.getValue(context)).addProductSource(
      (ProductSource) registry.getValue(aProductSource)).getAttributes();
  }

  public void deleteProduct(int context) {
    ((Product) registry.getValue(context)).delete();
    registry.removeObj(context);
  }

  public void deleteProductSourceFromProduct(int context, int aProductSource) {
    ((Product) registry.getValue(context))
      .deleteProductSource((ProductSource) registry.getValue(aProductSource));
  }

  public JSONObject getAttributesOfProduct(int context) throws JSONException {
    return ((Product) registry.getValue(context)).getAttributes();
  }

  public int constructReceivedLineItem(String aNumberReceived,
    String aActualCostPerUnit, int aReceivedDelivery, int aSupplierOrderLineItem) {
    return registry.add(new ReceivedLineItem(aNumberReceived,
      aActualCostPerUnit, (ReceivedDelivery) registry
        .getValue(aReceivedDelivery), (SupplierOrderLineItem) registry
        .getValue(aSupplierOrderLineItem)));
  }

  public JSONObject constructReceivedLineItemJSON(String aNumberReceived,
    String aActualCostPerUnit, int aReceivedDelivery, int aSupplierOrderLineItem)
    throws JSONException {
    ReceivedLineItem contextObj =
      new ReceivedLineItem(aNumberReceived, aActualCostPerUnit,
        (ReceivedDelivery) registry.getValue(aReceivedDelivery),
        (SupplierOrderLineItem) registry.getValue(aSupplierOrderLineItem));
    registry.add(contextObj);
    return contextObj.getAttributes();
  }

  public boolean setNumberReceivedInReceivedLineItem(int context,
    String aNumberReceived) {
    return ((ReceivedLineItem) registry.getValue(context))
      .setNumberReceived(aNumberReceived);
  }

  public boolean setActualCostPerUnitInReceivedLineItem(int context,
    String aActualCostPerUnit) {
    return ((ReceivedLineItem) registry.getValue(context))
      .setActualCostPerUnit(aActualCostPerUnit);
  }

  public String getNumberReceivedFromReceivedLineItem(int context) {
    return ((ReceivedLineItem) registry.getValue(context)).getNumberReceived();
  }

  public String getActualCostPerUnitFromReceivedLineItem(int context) {
    return ((ReceivedLineItem) registry.getValue(context))
      .getActualCostPerUnit();
  }

  public int getReceivedDeliveryFromReceivedLineItem(int context) {
    return registry.getKey(((ReceivedLineItem) registry.getValue(context))
      .getReceivedDelivery());
  }

  public JSONObject getReceivedDeliveryFromReceivedLineItemJSON(int context)
    throws JSONException {
    return ((ReceivedLineItem) registry.getValue(context))
      .getReceivedDelivery().getAttributes();
  }

  public int getSupplierOrderLineItemFromReceivedLineItem(int context) {
    return registry.getKey(((ReceivedLineItem) registry.getValue(context))
      .getSupplierOrderLineItem());
  }

  public JSONObject getSupplierOrderLineItemFromReceivedLineItemJSON(int context)
    throws JSONException {
    return ((ReceivedLineItem) registry.getValue(context))
      .getSupplierOrderLineItem().getAttributes();
  }

  public void setReceivedDeliveryInReceivedLineItem(int context,
    int aReceivedDelivery) throws Exception {
    ((ReceivedLineItem) registry.getValue(context))
      .setReceivedDelivery((ReceivedDelivery) registry
        .getValue(aReceivedDelivery));
  }

  public void setSupplierOrderLineItemInReceivedLineItem(int context,
    int aSupplierOrderLineItem) throws Exception {
    ((ReceivedLineItem) registry.getValue(context))
      .setSupplierOrderLineItem((SupplierOrderLineItem) registry
        .getValue(aSupplierOrderLineItem));
  }

  public void deleteReceivedLineItem(int context) {
    ((ReceivedLineItem) registry.getValue(context)).delete();
    registry.removeObj(context);
  }

  public JSONObject getAttributesOfReceivedLineItem(int context)
    throws JSONException {
    return ((ReceivedLineItem) registry.getValue(context)).getAttributes();
  }

  public int constructProductSource(String aSupplierCode,
    String aAdvertisedCostPerUnit, int aProduct, int aSupplier) {
    return registry.add(new ProductSource(aSupplierCode,
      aAdvertisedCostPerUnit, (Product) registry.getValue(aProduct),
      (Supplier) registry.getValue(aSupplier)));
  }

  public JSONObject constructProductSourceJSON(String aSupplierCode,
    String aAdvertisedCostPerUnit, int aProduct, int aSupplier)
    throws JSONException {
    ProductSource contextObj =
      new ProductSource(aSupplierCode, aAdvertisedCostPerUnit,
        (Product) registry.getValue(aProduct), (Supplier) registry
          .getValue(aSupplier));
    registry.add(contextObj);
    return contextObj.getAttributes();
  }

  public boolean setSupplierCodeInProductSource(int context,
    String aSupplierCode) {
    return ((ProductSource) registry.getValue(context))
      .setSupplierCode(aSupplierCode);
  }

  public boolean setAdvertisedCostPerUnitInProductSource(int context,
    String aAdvertisedCostPerUnit) {
    return ((ProductSource) registry.getValue(context))
      .setAdvertisedCostPerUnit(aAdvertisedCostPerUnit);
  }

  public String getSupplierCodeFromProductSource(int context) {
    return ((ProductSource) registry.getValue(context)).getSupplierCode();
  }

  public String getAdvertisedCostPerUnitFromProductSource(int context) {
    return ((ProductSource) registry.getValue(context))
      .getAdvertisedCostPerUnit();
  }

  /************
   * Method returns an iterator to the list of id's of the elements involved in this list.
   ***************/
  public Iterator getSupplierOrderLineItemsFromProductSource(int context) {
    ArrayList listOfIDs = new ArrayList();
    for (SupplierOrderLineItem obj : ((ProductSource) registry
      .getValue(context)).getSupplierOrderLineItems()) {
      listOfIDs.add(registry.getKey(obj));
    }
    return listOfIDs.iterator();
  }

  public int getProductFromProductSource(int context) {
    return registry.getKey(((ProductSource) registry.getValue(context))
      .getProduct());
  }

  public JSONObject getProductFromProductSourceJSON(int context)
    throws JSONException {
    return ((ProductSource) registry.getValue(context)).getProduct()
      .getAttributes();
  }

  public int getSupplierFromProductSource(int context) {
    return registry.getKey(((ProductSource) registry.getValue(context))
      .getSupplier());
  }

  public JSONObject getSupplierFromProductSourceJSON(int context)
    throws JSONException {
    return ((ProductSource) registry.getValue(context)).getSupplier()
      .getAttributes();
  }

  public int addSupplierOrderLineItemToProductSource(int context,
    String aNumberOrdered, String aDateExpected, int aProductSource,
    int aOrderToSupplier) throws Exception {
    return registry.getKey(((ProductSource) registry.getValue(context))
      .addSupplierOrderLineItem(aNumberOrdered, aDateExpected,
        (ProductSource) registry.getValue(aProductSource),
        (OrderToSupplier) registry.getValue(aOrderToSupplier)));
  }

  public JSONObject addSupplierOrderLineItemToProductSourceJSON(int context,
    String aNumberOrdered, String aDateExpected, int aProductSource,
    int aOrderToSupplier) throws JSONException, Exception {
    return ((ProductSource) registry.getValue(context))
      .addSupplierOrderLineItem(aNumberOrdered, aDateExpected,
        (ProductSource) registry.getValue(aProductSource),
        (OrderToSupplier) registry.getValue(aOrderToSupplier)).getAttributes();
  }

  public int addSupplierOrderLineItemToProductSourceOnly(int context,
    int aSupplierOrderLineItem) throws Exception {
    return registry.getKey(((ProductSource) registry.getValue(context))
      .addSupplierOrderLineItem((SupplierOrderLineItem) registry
        .getValue(aSupplierOrderLineItem)));
  }

  public JSONObject addSupplierOrderLineItemToProductSourceOnlyJSON(
    int context, int aSupplierOrderLineItem) throws JSONException, Exception {
    return ((ProductSource) registry.getValue(context))
      .addSupplierOrderLineItem(
        (SupplierOrderLineItem) registry.getValue(aSupplierOrderLineItem))
      .getAttributes();
  }

  public void setProductInProductSource(int context, int aProduct)
    throws Exception {
    ((ProductSource) registry.getValue(context)).setProduct((Product) registry
      .getValue(aProduct));
  }

  public void setSupplierInProductSource(int context, int aSupplier)
    throws Exception {
    ((ProductSource) registry.getValue(context))
      .setSupplier((Supplier) registry.getValue(aSupplier));
  }

  public void deleteProductSource(int context) {
    ((ProductSource) registry.getValue(context)).delete();
    registry.removeObj(context);
  }

  public void deleteSupplierOrderLineItemFromProductSource(int context,
    int aSupplierOrderLineItem) {
    ((ProductSource) registry.getValue(context))
      .deleteSupplierOrderLineItem((SupplierOrderLineItem) registry
        .getValue(aSupplierOrderLineItem));
  }

  public JSONObject getAttributesOfProductSource(int context)
    throws JSONException {
    return ((ProductSource) registry.getValue(context)).getAttributes();
  }

  public int constructSupplierOrderLineItem(String aNumberOrdered,
    String aDateExpected, int aProductSource, int aOrderToSupplier) {
    return registry.add(new SupplierOrderLineItem(aNumberOrdered,
      aDateExpected, (ProductSource) registry.getValue(aProductSource),
      (OrderToSupplier) registry.getValue(aOrderToSupplier)));
  }

  public JSONObject constructSupplierOrderLineItemJSON(String aNumberOrdered,
    String aDateExpected, int aProductSource, int aOrderToSupplier)
    throws JSONException {
    SupplierOrderLineItem contextObj =
      new SupplierOrderLineItem(aNumberOrdered, aDateExpected,
        (ProductSource) registry.getValue(aProductSource),
        (OrderToSupplier) registry.getValue(aOrderToSupplier));
    registry.add(contextObj);
    return contextObj.getAttributes();
  }

  public boolean setNumberOrderedInSupplierOrderLineItem(int context,
    String aNumberOrdered) {
    return ((SupplierOrderLineItem) registry.getValue(context))
      .setNumberOrdered(aNumberOrdered);
  }

  public boolean setDateExpectedInSupplierOrderLineItem(int context,
    String aDateExpected) {
    return ((SupplierOrderLineItem) registry.getValue(context))
      .setDateExpected(aDateExpected);
  }

  public String getNumberOrderedFromSupplierOrderLineItem(int context) {
    return ((SupplierOrderLineItem) registry.getValue(context))
      .getNumberOrdered();
  }

  public String getDateExpectedFromSupplierOrderLineItem(int context) {
    return ((SupplierOrderLineItem) registry.getValue(context))
      .getDateExpected();
  }

  public int getProductSourceFromSupplierOrderLineItem(int context) {
    return registry.getKey(((SupplierOrderLineItem) registry.getValue(context))
      .getProductSource());
  }

  public JSONObject getProductSourceFromSupplierOrderLineItemJSON(int context)
    throws JSONException {
    return ((SupplierOrderLineItem) registry.getValue(context))
      .getProductSource().getAttributes();
  }

  /************
   * Method returns an iterator to the list of id's of the elements involved in this list.
   ***************/
  public Iterator getReceivedLineItemsFromSupplierOrderLineItem(int context) {
    ArrayList listOfIDs = new ArrayList();
    for (ReceivedLineItem obj : ((SupplierOrderLineItem) registry
      .getValue(context)).getReceivedLineItems()) {
      listOfIDs.add(registry.getKey(obj));
    }
    return listOfIDs.iterator();
  }

  public int getOrderToSupplierFromSupplierOrderLineItem(int context) {
    return registry.getKey(((SupplierOrderLineItem) registry.getValue(context))
      .getOrderToSupplier());
  }

  public JSONObject getOrderToSupplierFromSupplierOrderLineItemJSON(int context)
    throws JSONException {
    return ((SupplierOrderLineItem) registry.getValue(context))
      .getOrderToSupplier().getAttributes();
  }

  public int addReceivedLineItemToSupplierOrderLineItem(int context,
    String aNumberReceived, String aActualCostPerUnit, int aReceivedDelivery,
    int aSupplierOrderLineItem) throws Exception {
    return registry.getKey(((SupplierOrderLineItem) registry.getValue(context))
      .addReceivedLineItem(aNumberReceived, aActualCostPerUnit,
        (ReceivedDelivery) registry.getValue(aReceivedDelivery),
        (SupplierOrderLineItem) registry.getValue(aSupplierOrderLineItem)));
  }

  public JSONObject addReceivedLineItemToSupplierOrderLineItemJSON(int context,
    String aNumberReceived, String aActualCostPerUnit, int aReceivedDelivery,
    int aSupplierOrderLineItem) throws JSONException, Exception {
    return ((SupplierOrderLineItem) registry.getValue(context))
      .addReceivedLineItem(aNumberReceived, aActualCostPerUnit,
        (ReceivedDelivery) registry.getValue(aReceivedDelivery),
        (SupplierOrderLineItem) registry.getValue(aSupplierOrderLineItem))
      .getAttributes();
  }

  public int addReceivedLineItemToSupplierOrderLineItemOnly(int context,
    int aReceivedLineItem) throws Exception {
    return registry.getKey(((SupplierOrderLineItem) registry.getValue(context))
      .addReceivedLineItem((ReceivedLineItem) registry
        .getValue(aReceivedLineItem)));
  }

  public JSONObject addReceivedLineItemToSupplierOrderLineItemOnlyJSON(
    int context, int aReceivedLineItem) throws JSONException, Exception {
    return ((SupplierOrderLineItem) registry.getValue(context))
      .addReceivedLineItem(
        (ReceivedLineItem) registry.getValue(aReceivedLineItem))
      .getAttributes();
  }

  public void setProductSourceInSupplierOrderLineItem(int context,
    int aProductSource) throws Exception {
    ((SupplierOrderLineItem) registry.getValue(context))
      .setProductSource((ProductSource) registry.getValue(aProductSource));
  }

  public void setOrderToSupplierInSupplierOrderLineItem(int context,
    int aOrderToSupplier) throws Exception {
    ((SupplierOrderLineItem) registry.getValue(context))
      .setOrderToSupplier((OrderToSupplier) registry.getValue(aOrderToSupplier));
  }

  public void deleteSupplierOrderLineItem(int context) {
    ((SupplierOrderLineItem) registry.getValue(context)).delete();
    registry.removeObj(context);
  }

  public void deleteReceivedLineItemFromSupplierOrderLineItem(int context,
    int aReceivedLineItem) {
    ((SupplierOrderLineItem) registry.getValue(context))
      .deleteReceivedLineItem((ReceivedLineItem) registry
        .getValue(aReceivedLineItem));
  }

  public JSONObject getAttributesOfSupplierOrderLineItem(int context)
    throws JSONException {
    return ((SupplierOrderLineItem) registry.getValue(context)).getAttributes();
  }
}