first commit

Author: pran9v

OrderBook/src/main/orderbook/Order.java

@@ -0,0 +1,39 @@
+package orderbook;
+
+public class Order {
+ private String id;
+ private double price;
+ private int quantity;
+ private boolean isBuyOrder;
+
+ public Order(String id, double price, int quantity, boolean isBuyOrder) {
+ this.id = id;
+ this.price = price;
+ this.quantity = quantity;
+ this.isBuyOrder = isBuyOrder;
+ }
+
+ //getters
+ public String getId() { 
+ return id; 
+ }
+ public double getPrice() {
+ return price;
+ }
+ public int getQuantity() {
+ return quantity;
+ }
+ public boolean getIsBuyOrder() {
+ return isBuyOrder;
+ }
+
+ //setters
+ public void setQuantity(int quantity) {
+ this.quantity = quantity;
+ }
+
+ //debugging
+ public String toString() {
+ return (isBuyOrder ? "Buy" : "Sell") + " Order[ID: " + id + ", Price: " + price + ", Quantity: " + quantity + "]";
+ }
+}

OrderBook/src/main/orderbook/OrderBook.java

@@ -0,0 +1,26 @@
+package orderbook;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.List;
+import java.util.TreeMap;
+
+public class OrderBook {
+ 
+ TreeMap<Double, List<Order>> buyOrders = new TreeMap<>(Collections.reverseOrder());
+ TreeMap<Double, List<Order>> sellOrders = new TreeMap<>();
+ HashMap<String, Order> orderMap = new HashMap<>();
+
+ public void addOrder(Order order) {
+ TreeMap<Double, List<Order>> refTreeMap = order.getIsBuyOrder() ? buyOrders : sellOrders;
+ refTreeMap.putIfAbsent(order.getPrice(), new ArrayList<>());
+ refTreeMap.get(order.getPrice()).add(order);
+ orderMap.put(order.getId(), order);
+ }
+ 
+ //remove Order
+ 
+ //view Orders
+
+}

OrderBook/src/main/orderbook/OrderBookApp.java

@@ -0,0 +1,5 @@
+package orderbook;
+
+public class OrderBookApp {
+ // TODO
+}

OrderBook/src/main/orderbook/OrderMatcher.java

@@ -0,0 +1,5 @@
+package orderbook;
+
+public class OrderMatcher {
+ // TODO
+}

OrderBook/src/main/orderbook/OrderUtils.java

@@ -0,0 +1,5 @@
+package orderbook;
+
+public class OrderUtils {
+ // TODO
+}

OrderBook/src/test/OrderBookTest.java

@@ -0,0 +1,5 @@
+package test;
+
+public class OrderBookTest {
+ 
+}