oracle JDeveloper Studio 11.1.1.0.2初学者入门，带demo。

package oracle.fodemo.storefront.store.service; import java.util.ArrayList; import java.util.Date; import java.util.HashMap; import java.util.List; import java.util.Map; import java.util.Set; import oracle.adf.share.ADFContext; import oracle.adf.share.logging.ADFLogger; import oracle.adf.share.security.SecurityContext; import oracle.fodemo.storefront.store.queries.AddressesAndUsagesVOImpl; import oracle.fodemo.storefront.store.queries.OrderItemsVOImpl; import oracle.fodemo.storefront.store.queries.OrdersVOImpl; import oracle.fodemo.storefront.store.queries.PersonsVOImpl; import oracle.fodemo.storefront.store.queries.ShoppingCartTransientVOImpl; import oracle.fodemo.storefront.store.service.common.StoreServiceAM; import oracle.jbo.ApplicationModule; import oracle.jbo.JboException; import oracle.jbo.Key; import oracle.jbo.Row; import oracle.jbo.RowIterator; import oracle.jbo.RowSetIterator; import oracle.jbo.ViewCriteria; import oracle.jbo.ViewCriteriaRow; import oracle.jbo.ViewObject; import oracle.jbo.client.Configuration; import oracle.jbo.domain.DBSequence; import oracle.jbo.domain.Number; import oracle.jbo.server.ApplicationModuleImpl; import oracle.jbo.server.AttributeListImpl; import oracle.jbo.server.ViewLinkImpl; import oracle.jbo.server.ViewObjectImpl; // --------------------------------------------------------------------- // --- File generated by Oracle ADF Business Components Design Time. // --- Custom code may be added to this class. // --- Warning: Do not modify method signatures of generated methods. // --------------------------------------------------------------------- public class StoreServiceAMImpl extends ApplicationModuleImpl implements StoreServiceAM { private static ADFLogger LOGGER = ADFLogger.createADFLogger(StoreServiceAMImpl.class); // Order status code for user shopping carts private static String CART_STATUS_CODE = "CART"; // Persistent shopping cart vo constants private static String PERSISTENT_CART_VO = "pShoppingCart"; private static String ORDER_ITEMS_VO_DEF = "oracle.fodemo.storefront.store.queries.OrderItemsVO"; /**This is the default constructor (do not remove). */ public StoreServiceAMImpl() {} /** * Updates the quantity of an existing item in the * shopping cart. If the item does not exist a new * entry will be created. * * @param productId * @param quantity * @param isSet */ public void updateItemInCart(Integer productId, Integer quantity, Boolean isSet){ // 1. update transient vo updateTransientCartItem(productId, quantity, isSet); SecurityContext securityContext = ADFContext.getCurrent().getSecurityContext(); // 2. authentication check if(securityContext.isAuthenticated()){ String username = securityContext.getUserName(); // 3. find shopping cart id for user long orderId = this.findCartIdForUser(username); if(orderId >= 0){ // 4. update cart item updatePersitentCartItem(orderId, productId, quantity, isSet); } } } /** * Add new item to cart. * * @param productId * @param quantity */ public void addItemToCart(Integer productId, Integer quantity){ // 1. update transient vo addItemToTransientCart(productId, quantity); SecurityContext securityContext = ADFContext.getCurrent().getSecurityContext(); // 2. authentication check if(securityContext.isAuthenticated()){ String username = securityContext.getUserName(); // 3. find shopping cart id for user long orderId = this.findCartIdForUser(username); addItemToPersistentCart(orderId, productId, quantity); } } /** * Remove an item from the cart. * * @param productId */ public void removeItemFromCart(Integer productId){ // 1. update transient vo removeItemFromTransientCart(productId); SecurityContext securityContext = ADFContext.getCurrent().getSecurityContext(); // 2. authentication check if(securityContext.isAuthenticated()){ String username = securityContext.getUserName(); // 3. find shopping cart id for user long orderId = this.findCartIdForUser(username); if(orderId >= 0){ // 4. add cart item removeItemFromPersistentCart(orderId, productId); } } } /** * Remove all items from cart. */ public void removeAllItemsFromCart(){ // 1. update transient vo removeAllItemsFromTransientCart(); SecurityContext securityContext = ADFContext.getCurrent().getSecurityContext(); // 2. authentication check if(securityContext.isAuthenticated()){ String username = securityContext.getUserName(); // 3. find shopping cart id for user long orderId = this.findCartIdForUser(username); // 4. add cart item if(orderId >= 0){ removeAllItemsFromPersistentCart(orderId); } } } /** * Updates the quantity of an existing item in the * shopping cart. If the item does not exist a new * entry will be created. * * @param productId * @param quantity */ public void updateTransientCartItem(Integer productId, Integer quantity, Boolean isSet){ // 1. check for existence of product in cart ViewObjectImpl shoppingCartVO = getMyShoppingCart(); Row[] rows = shoppingCartVO.findByKey( new Key(new Object[]{productId}) ,1); if(rows.length > 0){ // 2. update quantity of existing item if(!isSet){ Integer currQuantity = (Integer)rows[0].getAttribute("Quantity"); quantity = currQuantity.intValue() + quantity; } rows[0].setAttribute("Quantity", quantity); return; } // 3. The product has not been add to the cart. addItemToTransientCart(productId, quantity); } /** * Updates the quantity of an existing item in the * shopping cart. If the item does not exist a new * entry will be created. * * @param orderId * @param productId * @param quantity */ public void updatePersitentCartItem(Long orderId, Integer productId, Integer quantity, Boolean isSet){ // 1. create instance of persitent shopping cart. OrderItemsVOImpl shoppingCartVO = createPersistentShoppingCartVO(); // 2. limit view to order of interest. shoppingCartVO.showOrderItemForOrderIdAndProductId(orderId ,productId); // 3. find view item in view. Row shoppingCartRow = shoppingCartVO.first(); if(shoppingCartRow != null){ // 4. update quantity of existing item if(!isSet){ Integer currQuantity = (Integer)shoppingCartRow.getAttribute("Quantity"); quantity = currQuantity.intValue() + quantity; } shoppingCartRow.setAttribute("Quantity", quantity); getDBTransaction().commit(); return; } // 5. The product has not been add to the cart. addItemToPersistentCart(orderId, productId, quantity); } /** * Adds item to peristent shopping cart. * * @param orderId * @param productId * @param quantity */ public void addItemToPersistentCart(Long orderId, Integer prod