/**
* Place a bid on the specified item identifier
*
* @param id item identifier
* @param bid Bid object to represent the bid
* @throws AuctionNotFoundException when bid does not exists
* @throws BidInvalidException when the bid is lower than the previous one
* @throws RemoteException on RMI error
*/
public void placeBid(int id, Bid bid)
throws AuctionNotFoundException, BidInvalidException, RemoteException {
logger.info("Placing a new bid for item %d", id);
AuctionItem item = auctions.get(id);
if (item == null) {
logger.warning("Auction %d does not exists", id);
throw new AuctionNotFoundException();
}
synchronized (item) {
if (!item.isOpen()) {
logger.warning("Attempt to place a bid on the closed item %d", id);
throw new BidInvalidException("Auction is closed for this item");
}
if (item.getHighestBid() != null && bid.getValue() <= item.getHighestBid().getValue()) {
logger.info("Bid too low on item %d", id);
throw new BidInvalidException("Amount is too low");
}
item.addBid(bid);
}
}
private final AuctionItem getAuctionItem(final int auctionItemId) {
for (int i = _items.size(); i-- > 0; ) {
final AuctionItem item = _items.get(i);
if (item.getAuctionItemId() == auctionItemId) return item;
}
return null;
}
// Test method
public LinkedList<Integer> getLiveAuctionsIds() throws RemoteException {
LinkedList<Integer> ll = new LinkedList<Integer>();
for (AuctionItem t : liveAuctionItems.values()) {
ll.add(t.getAuctionId());
}
return ll;
}
@Override
public LinkedList<String> getExistingAuctions() throws RemoteException {
LinkedList<String> ll = new LinkedList<String>();
for (AuctionItem i : liveAuctionItems.values()) {
ll.add(i.toString());
}
return ll;
}
public static void show(Long id) {
System.out.printf("=== id: %d\n", id);
List<AuctionItem> items = AuctionItem.findAll();
for (AuctionItem item : items) {
System.out.printf("--- id: %d\n", item.id);
}
AuctionItem item = AuctionItem.findById(id);
item.viewCount++;
item.save();
render(item);
}
@Override
// Event though the data structure for live auctions is concurrent the method still needs to be
// synchronized because the creation
// of auction items concurrently produces auction items with the same id.
public synchronized boolean registerAuctionItem(
String name, double min_item_value, Date closing_date, int client) throws RemoteException {
AuctionItem item = new AuctionItem(name, min_item_value, closing_date, client, this);
liveAuctionItems.put(item.getAuctionId(), item);
Thread t = new Thread(item);
t.start();
return true;
}
private final ItemAuction createAuction(final long after) {
final AuctionItem auctionItem = _items.get(Rnd.get(_items.size()));
final long startingTime = _dateGenerator.nextDate(after);
final long endingTime =
startingTime
+ TimeUnit.MILLISECONDS.convert(auctionItem.getAuctionLength(), TimeUnit.MINUTES);
final ItemAuction auction =
new ItemAuction(
_auctionIds.getAndIncrement(), _instanceId, startingTime, endingTime, auctionItem);
auction.storeMe();
return auction;
}
public static void doCreateItem(@Valid AuctionItem item) throws IOException {
if (validation.hasErrors()) {
System.out.println(validation.errorsMap());
render("@createAuctionItem", item);
}
// set the user based on the logged in user
item.createdBy = Authenticate.getLoggedInUser();
item.save();
show(item.id);
}
public ArrayList<AuctionItem> getAllAuctions() {
ArrayList<AuctionItem> allAuctions = new ArrayList<AuctionItem>();
SQLiteDatabase db = dbHelper.getReadableDatabase();
Cursor cursor = db.rawQuery("SELECT * FROM " + AUCTIONS_TABLE + ";", null);
if (cursor != null) {
if (cursor.moveToFirst()) {
while (cursor.isAfterLast() == false) {
AuctionItem auction = new AuctionItem();
auction.id = cursor.getInt(cursor.getColumnIndex("ID"));
auction.name = cursor.getString(cursor.getColumnIndex(AUCTIONS_NAME));
auction.starting_price =
Double.parseDouble(cursor.getString(cursor.getColumnIndex(AUCTIONS_STARTING_PRICE)));
auction.created_by = cursor.getString(cursor.getColumnIndex(AUCTIONS_CREATED_BY));
auction.highest_bid =
Double.parseDouble(cursor.getString(cursor.getColumnIndex(AUCTIONS_HIGHEST_BID)));
auction.highest_bidder = cursor.getString(cursor.getColumnIndex(AUCTIONS_HIGHEST_BIDDER));
auction.hours_active =
Integer.parseInt(cursor.getString(cursor.getColumnIndex(AUCTIONS_HOURS_ACTIVE)));
allAuctions.add(auction);
cursor.moveToNext();
}
}
cursor.close();
}
return allAuctions;
}
@Override
public boolean moveToExpiredAuctions(int auctionId) {
if (!liveAuctionItems.containsKey(auctionId)) {
System.out.println("This auction does not exist\n");
return false;
}
AuctionItem temp;
if ((temp = liveAuctionItems.remove(auctionId)) != null) {
System.out.println("Auction successfully removed from list with live auctions\n");
// Change the auction id to correspond to the index
expiredAuctions.put(temp.getAuctionId(), temp);
Thread t = new Thread(temp);
t.start();
return true;
}
return false;
}
public AuctionItem getAuctionItem(int id) {
db = dbHelper.getReadableDatabase();
AuctionItem auction = new AuctionItem();
Cursor cursor =
db.query(
AUCTIONS_TABLE,
null,
" ID" + " =?",
new String[] {String.valueOf(id)},
null,
null,
null);
if (cursor.getCount() < 1) // item doesn't exist
{
cursor.close();
return null;
}
cursor.moveToFirst();
auction.name = cursor.getString(cursor.getColumnIndex(AUCTIONS_NAME));
auction.starting_price =
Double.parseDouble(cursor.getString(cursor.getColumnIndex(AUCTIONS_STARTING_PRICE)));
auction.created_by = cursor.getString(cursor.getColumnIndex(AUCTIONS_CREATED_BY));
auction.highest_bid =
Double.parseDouble(cursor.getString(cursor.getColumnIndex(AUCTIONS_HIGHEST_BID)));
auction.highest_bidder = cursor.getString(cursor.getColumnIndex(AUCTIONS_HIGHEST_BIDDER));
auction.hours_active =
Integer.parseInt(cursor.getString(cursor.getColumnIndex(AUCTIONS_HOURS_ACTIVE)));
db.close();
return auction;
}
public static void search(String search, Integer page) {
validation.required(search).message("You must enter something to search for");
if (validation.hasErrors()) {
render();
}
page = page == null ? 1 : page;
SearchResults results = AuctionItem.search(search, page);
render(results, page, search);
}
public static void newBids(Long id) {
// count new bids
long newBids =
Bid.count(
"from AuctionItem a join a.bids as b " + "where a.id = ? AND b.date > ?",
id,
request.date);
// wait if needed
if (newBids == 0) {
await("1s");
}
// return the JSON output of the new bids
AuctionItem item = AuctionItem.findById(id);
JsonObject json = new JsonObject();
json.addProperty("next", item.getNextBidPrice());
json.addProperty("top", item.getCurrentTopBid());
renderJSON(json.toString());
}
@Override
public void notifyResult(AuctionItem item) {
if (registeredUsers.containsKey(item.getCreator_id())) {
RMIClientIntf creator = registeredUsers.get(item.getCreator_id());
try {
creator.callBack("Your Auction has produced the following results :\n ");
creator.callBack(item.getResult());
} catch (RemoteException e) {
System.out.println("Creator no longer online\n");
}
} else {
System.out.println("Creator id does not exist\n");
} // Normally an auction with no creator registered should not exist but since this is a
// simplified implementation
// We allow bids on auctions with no creator (usually the initialised ones) for testing
// purposes.
if (item.numberOfBids() != 0) {
System.out.println("Notifying bidders");
Iterator<Bid> it = item.getBidders();
while (it.hasNext()) {
Bid bidder = it.next();
if (registeredUsers.containsKey(bidder.getUserId())) {
RMIClientIntf client = registeredUsers.get(bidder.getUserId());
try {
client.callBack(item.getResult());
} catch (RemoteException e) {
System.out.println("Bidder with id " + bidder.getUserId() + " no longer online\n");
}
} else {
System.out.println("User id does not exist\n");
}
}
}
}
public static void recentlyAdded() {
List<AuctionItem> items = AuctionItem.recentlyAdded(50);
render(items);
}
/**
* Get auction item name.
*
* @return the string
*/
public String getAuctionItemName() {
return auctionItem.getItemName();
}
public static void main(String args[]) {
AuctionItem item1 = new AuctionItem("Carnations = a Painting", 780.00, 500.00);
item1.showItemStatus();
item1.makeABid(300.00, "*****@*****.**");
item1.showItemStatus();
item1.makeABid(510.00, "*****@*****.**");
item1.showItemStatus();
item1.makeABid(600.00, "*****@*****.**");
item1.showItemStatus();
item1.sell();
item1.showSaleInfo();
item1.showItemStatus();
item1.sell(item1.getItemPrice());
item1.showItemStatus();
item1.cancelSale();
item1.makeABid(520.00, "*****@*****.**");
item1.showItemStatus();
item1.sell(item1.getItemPrice(), "*****@*****.**");
item1.showSaleInfo();
item1.showItemStatus();
// Test the Auction class
Auction auction1 = new Auction();
auction1.addAuctionItem(item1);
auction1.addAuctionItem(new AuctionItem("IPAD1", 100.00, 70.00));
// add at least 3 more AuctionItem instances of your choice
auction1.addAuctionItem(new AuctionItem("Binke", 10.00, 7.00));
auction1.addAuctionItem(new AuctionItem("kebing", 200.00, 50.00));
auction1.addAuctionItem(new AuctionItem("luobing", 80.00, 9.00));
auction1.showAllAuctionItems();
auction1.showAuctionItemsByStatus("SOLD");
auction1.showAuctionItemsByStatus("AVAILABLE");
auction1.showAuctionItemStatus("carnations = a painting");
auction1.showAuctionItemWithHighestBid();
}
public static void showPDF(Long id) {
AuctionItem item = AuctionItem.findById(id);
item.viewCount++;
item.save();
renderPDF(item);
}
public static void index() {
List<AuctionItem> mostPopular = AuctionItem.getMostPopular(5);
List<AuctionItem> endingSoon = AuctionItem.getEndingSoon(5);
render(mostPopular, endingSoon);
}
public static void showImage(Long id) {
AuctionItem item = AuctionItem.findById(id);
response.setContentTypeIfNotSet(item.photo.type());
renderBinary(item.photo.get());
}
/**
* Get auction item price.
*
* @return the double
*/
public double getAuctionItemPrice() {
return auctionItem.getItemPrice();
}
public static void main(String args[]) {
String host = "localhost";
int port = 1099;
if (args.length > 0) {
host = args[0];
port = Integer.parseInt(args[1]);
}
// Initialise auctions from permanent storage
BufferedReader br = null;
BufferedWriter bw = null;
try {
AuctionServer rmiServer = new AuctionServer();
Registry reg = LocateRegistry.getRegistry(host, port);
reg.rebind("auctionServer", rmiServer);
System.out.println("AuctionServer is ready");
System.out.println(
"Select one of the two options :\n1: To save live auctions\n2: To load test auctions that expire in a minute (note you need to start 5 clients first) ");
Scanner sc = new Scanner(System.in);
bw = new BufferedWriter(new FileWriter("auctionsSaved.dat"));
switch (sc.nextInt()) {
case 1:
for (AuctionItem item : rmiServer.liveAuctionItems.values()) {
bw.write(item.toString() + "\n");
}
System.out.println("Saved auctions state.");
break;
case 2:
GenerateAuctions generator = new GenerateAuctions();
generator.generateList();
br = new BufferedReader(new FileReader("auctionsBackup.dat"));
String currentLine;
while ((currentLine = br.readLine()) != null) {
String[] array = currentLine.split(",");
String name = array[0];
double min_item_value = Double.parseDouble(array[1]);
Date closing_date = new SimpleDateFormat("d/M/y H:mm:s").parse(array[2]);
int client = Integer.parseInt(array[3]);
rmiServer.registerAuctionItem(name, min_item_value, closing_date, client);
}
System.out.println("Initialised auctions...");
break;
}
} catch (RemoteException e) {
System.out.println("Exception in AuctionServer.main " + e);
} catch (MalformedURLException ue) {
System.out.println("MalformedURLException in RMIServerImp.main " + ue);
} catch (IOException e) {
System.out.println("Could not open file ");
e.printStackTrace();
} catch (ParseException e) {
System.out.println("Unable to parse date");
e.printStackTrace();
} finally {
if (br != null) {
try {
br.close();
} catch (IOException e) {
System.out.println("Unable to close file.");
}
}
if (bw != null) {
try {
bw.close();
} catch (IOException e) {
System.out.println("Unable to close file.");
}
}
}
}
public static void addBid(Long id, Float amount) {
AuctionItem item = AuctionItem.findById(id);
item.addBid(amount);
item.save();
}
/**
* static method to create the object Precondition: If this object is an element, the current or
* next start element starts this object and any intervening reader events are ignorable If this
* object is not an element, it is a complex type and the reader is at the event just after the
* outer start element Postcondition: If this object is an element, the reader is positioned at
* its end element If this object is a complex type, the reader is positioned at the end element
* of its outer element
*/
public static AuctionItem parse(javax.xml.stream.XMLStreamReader reader)
throws java.lang.Exception {
AuctionItem object = new AuctionItem();
int event;
java.lang.String nillableValue = null;
java.lang.String prefix = "";
java.lang.String namespaceuri = "";
try {
while (!reader.isStartElement() && !reader.isEndElement()) reader.next();
if (reader.getAttributeValue("http://www.w3.org/2001/XMLSchema-instance", "type") != null) {
java.lang.String fullTypeName =
reader.getAttributeValue("http://www.w3.org/2001/XMLSchema-instance", "type");
if (fullTypeName != null) {
java.lang.String nsPrefix = null;
if (fullTypeName.indexOf(":") > -1) {
nsPrefix = fullTypeName.substring(0, fullTypeName.indexOf(":"));
}
nsPrefix = nsPrefix == null ? "" : nsPrefix;
java.lang.String type = fullTypeName.substring(fullTypeName.indexOf(":") + 1);
if (!"auctionItem".equals(type)) {
// find namespace for the prefix
java.lang.String nsUri = reader.getNamespaceContext().getNamespaceURI(nsPrefix);
return (AuctionItem)
edu.columbia.ase.auctionhouse.webservice.ExtensionMapper.getTypeObject(
nsUri, type, reader);
}
}
}
// Note all attributes that were handled. Used to differ normal attributes
// from anyAttributes.
java.util.Vector handledAttributes = new java.util.Vector();
// handle attribute "itemId"
java.lang.String tempAttribItemId = reader.getAttributeValue(null, "itemId");
if (tempAttribItemId != null) {
java.lang.String content = tempAttribItemId;
object.setItemId(
org.apache.axis2.databinding.utils.ConverterUtil.convertToInt(tempAttribItemId));
} else {
throw new org.apache.axis2.databinding.ADBException(
"Required attribute itemId is missing");
}
handledAttributes.add("itemId");
// handle attribute "itemName"
java.lang.String tempAttribItemName = reader.getAttributeValue(null, "itemName");
if (tempAttribItemName != null) {
java.lang.String content = tempAttribItemName;
object.setItemName(
org.apache.axis2.databinding.utils.ConverterUtil.convertToString(tempAttribItemName));
} else {
}
handledAttributes.add("itemName");
reader.next();
while (!reader.isStartElement() && !reader.isEndElement()) reader.next();
if (reader.isStartElement())
// A start element we are not expecting indicates a trailing invalid property
throw new org.apache.axis2.databinding.ADBException(
"Unexpected subelement " + reader.getName());
} catch (javax.xml.stream.XMLStreamException e) {
throw new java.lang.Exception(e);
}
return object;
}
public ItemAuctionInstance(final int instanceId, final AtomicInteger auctionIds, final Node node)
throws Exception {
_instanceId = instanceId;
_auctionIds = auctionIds;
_auctions = new TIntObjectHashMap<ItemAuction>();
_items = new ArrayList<AuctionItem>();
final NamedNodeMap nanode = node.getAttributes();
final StatsSet generatorConfig = new StatsSet();
for (int i = nanode.getLength(); i-- > 0; ) {
final Node n = nanode.item(i);
if (n != null) generatorConfig.set(n.getNodeName(), n.getNodeValue());
}
_dateGenerator = new AuctionDateGenerator(generatorConfig);
for (Node na = node.getFirstChild(); na != null; na = na.getNextSibling()) {
try {
if ("item".equalsIgnoreCase(na.getNodeName())) {
final NamedNodeMap naa = na.getAttributes();
final int auctionItemId =
Integer.parseInt(naa.getNamedItem("auctionItemId").getNodeValue());
final int auctionLenght =
Integer.parseInt(naa.getNamedItem("auctionLenght").getNodeValue());
final long auctionInitBid =
Integer.parseInt(naa.getNamedItem("auctionInitBid").getNodeValue());
final int itemId = Integer.parseInt(naa.getNamedItem("itemId").getNodeValue());
final int itemCount = Integer.parseInt(naa.getNamedItem("itemCount").getNodeValue());
if (auctionLenght < 1)
throw new IllegalArgumentException(
"auctionLenght < 1 for instanceId: " + _instanceId + ", itemId " + itemId);
final StatsSet itemExtra = new StatsSet();
final AuctionItem item =
new AuctionItem(
auctionItemId, auctionLenght, auctionInitBid, itemId, itemCount, itemExtra);
if (!item.checkItemExists())
throw new IllegalArgumentException("Item with id " + itemId + " not found");
for (final AuctionItem tmp : _items) {
if (tmp.getAuctionItemId() == auctionItemId)
throw new IllegalArgumentException("Dublicated auction item id " + auctionItemId);
}
_items.add(item);
for (Node nb = na.getFirstChild(); nb != null; nb = nb.getNextSibling()) {
if ("extra".equalsIgnoreCase(nb.getNodeName())) {
final NamedNodeMap nab = nb.getAttributes();
for (int i = nab.getLength(); i-- > 0; ) {
final Node n = nab.item(i);
if (n != null) itemExtra.set(n.getNodeName(), n.getNodeValue());
}
}
}
}
} catch (final IllegalArgumentException e) {
_log.log(Level.WARNING, "ItemAuctionInstance: Failed loading auction item", e);
}
}
if (_items.isEmpty()) throw new IllegalArgumentException("No items defined");
Connection con = null;
try {
con = L2DatabaseFactory.getInstance().getConnection();
PreparedStatement statement =
con.prepareStatement("SELECT auctionId FROM item_auction WHERE instanceId=?");
statement.setInt(1, _instanceId);
ResultSet rset = statement.executeQuery();
while (rset.next()) {
final int auctionId = rset.getInt(1);
try {
final ItemAuction auction = loadAuction(auctionId);
if (auction != null) {
_auctions.put(auctionId, auction);
} else {
ItemAuctionManager.deleteAuction(auctionId);
}
} catch (final SQLException e) {
_log.log(Level.WARNING, "ItemAuctionInstance: Failed loading auction: " + auctionId, e);
}
}
} catch (final SQLException e) {
_log.log(Level.SEVERE, "L2ItemAuctionInstance: Failed loading auctions.", e);
return;
} finally {
L2DatabaseFactory.close(con);
}
_log.log(
Level.INFO,
"L2ItemAuctionInstance: Loaded "
+ _items.size()
+ " item(s) and registered "
+ _auctions.size()
+ " auction(s) for instance "
+ _instanceId
+ ".");
checkAndSetCurrentAndNextAuction();
}
