Class QueryEngine

java.lang.Object
  |
  +--QueryEngine

public class QueryEngine

extends java.lang.Object

This is the implementation of the JDBC query engine. It processes the transactions to the database. It has various methods like checkLoginPasswd, etc which return the appropriate info from the database. It has two basic functions:

1. Retrieving information from the database
2. Inserting information into the database

Field Summary

BidPageGen

bpg

Method Summary

boolean	addFeaturesToCategory(java.lang.String categoryName, java.util.Vector featureNameAndType)
boolean	addNewCategory(java.lang.String parentName, java.lang.String childCategoryName)
void	addUserInfo(java.lang.String login, java.lang.String password, java.lang.String firstName, java.lang.String lastName, java.lang.String email, java.lang.String gender, java.lang.String address, java.lang.String city, java.lang.String dateOfBirth)
boolean	canBeDeleted(java.lang.String categoryName)
boolean	checkLoginPasswd(java.lang.String login, java.lang.String passwd)
void	closeConn()
java.lang.String	deleteTheCategory(java.lang.String categoryName)
void	generalUserRating(java.lang.String userLogin, java.io.PrintWriter out)
java.lang.String	getBidDetailsPage(int productId)
java.lang.String	getBidFormPage(int productId)
java.lang.String	getBidHistoryPage(int auctionId)
java.util.Vector	getChildCategoryList(java.lang.String parentName) This class is for generating all the childs for a given parent category.
int	getCurrentBid(int productId)
java.lang.String	getItemInfoPage(int auctionId)
java.lang.String	getProductDetailsPage(int productId)
void	getUserInfo(java.io.PrintWriter out, java.lang.String login)
void	handleAuctionConfirmation(java.io.PrintWriter out, javax.servlet.http.HttpServletRequest request)
void	handleAuctionRevival(java.io.PrintWriter out, int prodID, javax.servlet.http.HttpServletRequest request)
void	handleAuctionRevivalDisplay(java.io.PrintWriter out, int prodID)
void	handleSearchDisplay(java.io.PrintWriter out)
void	handleSearchQuery(java.io.PrintWriter out, javax.servlet.http.HttpServletRequest request)
void	handleSellFormDisplay(java.io.PrintWriter out, java.lang.String categoryName)
void	insertSellerRatedAs(java.lang.String productId, java.lang.String winnerRatedSellerAs, java.lang.String winnerLogin, java.lang.String sellerLogin)
void	insertWinnerRatedAs(java.lang.String productId, java.lang.String sellerRatedWinnerAs, java.lang.String winnerLogin, java.lang.String sellerLogin)
boolean	isCategoryNameOverlaping(java.lang.String parentCatName, java.lang.String childSubCatName)
boolean	isEmailPresent(java.lang.String email)
boolean	isLoginPresent(java.lang.String login)
boolean	isNotFinal(java.lang.String categoryName)
boolean	isSuspendedUser(java.lang.String login)
boolean	isValidUser(java.lang.String login, java.lang.String password)
int	IsValidUser(java.lang.String login, java.lang.String passwd)
static void	main(java.lang.String[] args)
java.util.Vector	productDetailsOfFinalCategory(java.lang.String finalCatName)
void	removeBidsOfOutdatedAuctions(int auctionId)
java.lang.String	sellerRatedWinnerAs(java.lang.String productId)
void	updateAuctionTableAndShift(java.lang.String finalCatName)
void	updateCurrentBid(int productId, int nextBid, java.lang.String bidderLogin, java.lang.String autobid, int maxamt)
void	updateSellerRatedAs(java.lang.String productId, java.lang.String winnerRatedSellerAs)
void	updateUserInfo(java.lang.String loginName, java.lang.String oldPassword, java.lang.String newPassword, java.lang.String firstName, java.lang.String lastName, java.lang.String email, java.lang.String gender, java.lang.String address, java.lang.String city)
void	updateWinnerRatedAs(java.lang.String productId, java.lang.String sellerRatedWinnerAs)
void	userQueryFive(java.io.PrintWriter out, java.lang.String login)
void	userQueryFour(java.io.PrintWriter out, java.lang.String login)
void	userQueryOne(java.io.PrintWriter out, java.lang.String login)
void	userQueryThree(java.io.PrintWriter out, java.lang.String login)
void	userQueryTwo(java.io.PrintWriter out, java.lang.String login)
boolean	whetherSuccessfulAuction(int auctionId)
java.lang.String	winnerRatedSellerAs(java.lang.String productId)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

bpg

public BidPageGen bpg

Method Detail

closeConn

public void closeConn()

checkLoginPasswd

public boolean checkLoginPasswd(java.lang.String login,
                                java.lang.String passwd)

handleSellFormDisplay

public void handleSellFormDisplay(java.io.PrintWriter out,
                                  java.lang.String categoryName)

handleAuctionConfirmation

public void handleAuctionConfirmation(java.io.PrintWriter out,
                                      javax.servlet.http.HttpServletRequest request)

handleAuctionRevivalDisplay

public void handleAuctionRevivalDisplay(java.io.PrintWriter out,
                                        int prodID)

handleAuctionRevival

public void handleAuctionRevival(java.io.PrintWriter out,
                                 int prodID,
                                 javax.servlet.http.HttpServletRequest request)

handleSearchDisplay

public void handleSearchDisplay(java.io.PrintWriter out)

handleSearchQuery

public void handleSearchQuery(java.io.PrintWriter out,
                              javax.servlet.http.HttpServletRequest request)

getChildCategoryList

public java.util.Vector getChildCategoryList(java.lang.String parentName)

This class is for generating all the childs for a given parent category. Output is a vector having entries for all the childs.

addNewCategory

public boolean addNewCategory(java.lang.String parentName,
                              java.lang.String childCategoryName)

addFeaturesToCategory

public boolean addFeaturesToCategory(java.lang.String categoryName,
                                     java.util.Vector featureNameAndType)

isNotFinal

public boolean isNotFinal(java.lang.String categoryName)

canBeDeleted

public boolean canBeDeleted(java.lang.String categoryName)

deleteTheCategory

public java.lang.String deleteTheCategory(java.lang.String categoryName)

isCategoryNameOverlaping

public boolean isCategoryNameOverlaping(java.lang.String parentCatName,
                                        java.lang.String childSubCatName)

whetherSuccessfulAuction

public boolean whetherSuccessfulAuction(int auctionId)

removeBidsOfOutdatedAuctions

public void removeBidsOfOutdatedAuctions(int auctionId)

updateAuctionTableAndShift

public void updateAuctionTableAndShift(java.lang.String finalCatName)

productDetailsOfFinalCategory

public java.util.Vector productDetailsOfFinalCategory(java.lang.String finalCatName)

getProductDetailsPage

public java.lang.String getProductDetailsPage(int productId)

getBidFormPage

public java.lang.String getBidFormPage(int productId)

getBidDetailsPage

public java.lang.String getBidDetailsPage(int productId)

getBidHistoryPage

public java.lang.String getBidHistoryPage(int auctionId)

getItemInfoPage

public java.lang.String getItemInfoPage(int auctionId)

getCurrentBid

public int getCurrentBid(int productId)

IsValidUser

public int IsValidUser(java.lang.String login,
                       java.lang.String passwd)

updateCurrentBid

public void updateCurrentBid(int productId,
                             int nextBid,
                             java.lang.String bidderLogin,
                             java.lang.String autobid,
                             int maxamt)

main

public static void main(java.lang.String[] args)

isValidUser

public boolean isValidUser(java.lang.String login,
                           java.lang.String password)

isLoginPresent

public boolean isLoginPresent(java.lang.String login)

isEmailPresent

public boolean isEmailPresent(java.lang.String email)

isSuspendedUser

public boolean isSuspendedUser(java.lang.String login)

addUserInfo

public void addUserInfo(java.lang.String login,
                        java.lang.String password,
                        java.lang.String firstName,
                        java.lang.String lastName,
                        java.lang.String email,
                        java.lang.String gender,
                        java.lang.String address,
                        java.lang.String city,
                        java.lang.String dateOfBirth)

updateUserInfo

public void updateUserInfo(java.lang.String loginName,
                           java.lang.String oldPassword,
                           java.lang.String newPassword,
                           java.lang.String firstName,
                           java.lang.String lastName,
                           java.lang.String email,
                           java.lang.String gender,
                           java.lang.String address,
                           java.lang.String city)

getUserInfo

public void getUserInfo(java.io.PrintWriter out,
                        java.lang.String login)

userQueryOne

public void userQueryOne(java.io.PrintWriter out,
                         java.lang.String login)

userQueryTwo

public void userQueryTwo(java.io.PrintWriter out,
                         java.lang.String login)

userQueryThree

public void userQueryThree(java.io.PrintWriter out,
                           java.lang.String login)

userQueryFour

public void userQueryFour(java.io.PrintWriter out,
                          java.lang.String login)

userQueryFive

public void userQueryFive(java.io.PrintWriter out,
                          java.lang.String login)

updateWinnerRatedAs

public void updateWinnerRatedAs(java.lang.String productId,
                                java.lang.String sellerRatedWinnerAs)

updateSellerRatedAs

public void updateSellerRatedAs(java.lang.String productId,
                                java.lang.String winnerRatedSellerAs)

insertWinnerRatedAs

public void insertWinnerRatedAs(java.lang.String productId,
                                java.lang.String sellerRatedWinnerAs,
                                java.lang.String winnerLogin,
                                java.lang.String sellerLogin)

insertSellerRatedAs

public void insertSellerRatedAs(java.lang.String productId,
                                java.lang.String winnerRatedSellerAs,
                                java.lang.String winnerLogin,
                                java.lang.String sellerLogin)

winnerRatedSellerAs

public java.lang.String winnerRatedSellerAs(java.lang.String productId)

sellerRatedWinnerAs

public java.lang.String sellerRatedWinnerAs(java.lang.String productId)

generalUserRating

public void generalUserRating(java.lang.String userLogin,
                              java.io.PrintWriter out)