@Override
public boolean registerBid(double value, int uniqueUserId, int auctionId) throws RemoteException {
RMIClientIntf clientIntf = registeredUsers.get(uniqueUserId);
Bid bid = new Bid(value, uniqueUserId);
if (!liveAuctionItems.containsKey(auctionId)) {
clientIntf.callBack("Auction item id does not exist\n");
return false;
}
if (uniqueUserId == liveAuctionItems.get(auctionId).getCreator_id()) {
clientIntf.callBack("Not able to register bid - bidder is the creator of this auction\n");
return false;
} else {
if (liveAuctionItems.get(auctionId).addBidder(bid)) {
clientIntf.callBack(
"Bid registered to auction with id "
+ auctionId
+ " and amount "
+ bid.getBid()
+ "\n");
return true;
} else {
clientIntf.callBack(
"Bid rejected, user has already placed a bid for this auction, can only place higher bids\n");
return false;
}
}
}
@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");
}
}
}
}