net.commerce.zocalo.market
Class Book

java.lang.Object
  net.commerce.zocalo.market.Book

Direct Known Subclasses:

BinaryBook, UnaryBook

public abstract class Book
extends java.lang.Object

A Book holds orders entered by Users to buy and sell positions on a particular Claim.

Constructor Summary

Book(Claim claim, Market market)

Method Summary

Order	addOrder(Position position, double price, double quantity, User user)
double	bestBuyOfferFor(Position position)
double	bestQuantity(Position position)
double	bestSellOfferFor(Position position)
java.lang.String	buildPriceList(Position pos)
double	buyFromBestBookOrders(Position position, double price, double quantity, User user) buy up to price worth or quantity coupons from the orders at the book's best price.
double	buyFromBookOrders(Position position, double price, double quantity, User buyer) buy up to price worth or quantity coupons from the orders in the book.
protected void	cancelOrder(User buyer, Order order)
Claim	getClaim()
protected Market	getMarket()
SortedOrders	getOffers(Position position)
boolean	hasOrdersToSell()
boolean	hasOrdersToSell(Position position)
java.util.Iterator	iterateOffers(Position pos)
protected static boolean	lessOrEqualToPrintingPrecision(double orderPrice, double price)
protected void	recordTransaction(User acceptor, double price, double quantity, Position position)
boolean	removeOrder(Order order)
boolean	removeOrder(java.lang.String userName, double price, Position pos)
void	resetOrders()
double	scalePrice(double price)
void	setClaim(Claim claim)

Methods inherited from class java.lang.Object

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

Constructor Detail

Book

public Book(Claim claim,
            Market market)

Method Detail

buyFromBookOrders

public double buyFromBookOrders(Position position,
                                double price,
                                double quantity,
                                User buyer)

buy up to price worth or quantity coupons from the orders in the book. This method is called when there is no marketMaker. This method will only fill the portion of the order that can be satisfied immediately.

buyFromBestBookOrders

public double buyFromBestBookOrders(Position position,
                                    double price,
                                    double quantity,
                                    User user)

buy up to price worth or quantity coupons from the orders at the book's best price. This is used when coupons are purchased from the book and the marketMaker. In order to ensure that the best price is always used, the market has to buy book orders until the price changes, then buy from the maker until the next price frontier is reached.

addOrder

public Order addOrder(Position position,
                      double price,
                      double quantity,
                      User user)
               throws DuplicateOrderException

Throws:

DuplicateOrderException

removeOrder

public boolean removeOrder(Order order)

removeOrder

public boolean removeOrder(java.lang.String userName,
                           double price,
                           Position pos)

lessOrEqualToPrintingPrecision

protected static boolean lessOrEqualToPrintingPrecision(double orderPrice,
                                                        double price)

recordTransaction

protected void recordTransaction(User acceptor,
                                 double price,
                                 double quantity,
                                 Position position)

cancelOrder

protected void cancelOrder(User buyer,
                           Order order)

resetOrders

public void resetOrders()

getClaim

public Claim getClaim()

setClaim

public void setClaim(Claim claim)

getOffers

public SortedOrders getOffers(Position position)

bestSellOfferFor

public double bestSellOfferFor(Position position)

bestBuyOfferFor

public double bestBuyOfferFor(Position position)

bestQuantity

public double bestQuantity(Position position)

hasOrdersToSell

public boolean hasOrdersToSell(Position position)

hasOrdersToSell

public boolean hasOrdersToSell()

iterateOffers

public java.util.Iterator iterateOffers(Position pos)

scalePrice

public double scalePrice(double price)

getMarket

protected Market getMarket()

buildPriceList

public java.lang.String buildPriceList(Position pos)