• Home
• org.jvirtanen.parity
• parity-match
• 0.3.0
• source code
• Orders.java

×

Project download

Many resources are needed to download a project. Please understand that we have to compensate our server costs. Thank you in advance.
Project price only 1 $

You can buy this project and download/modify it how often you want.

org.jvirtanen.parity.match.Orders Maven / Gradle / Ivy

package org.jvirtanen.parity.match;

import it.unimi.dsi.fastutil.longs.Long2ObjectRBTreeMap;
import it.unimi.dsi.fastutil.longs.LongComparator;

class Orders {

    private Long2ObjectRBTreeMap levels;

    public Orders(LongComparator priceComparator) {
        this.levels = new Long2ObjectRBTreeMap<>(priceComparator);
    }

    public Level getBestLevel() {
        if (levels.isEmpty())
            return null;

        return levels.get(levels.firstLongKey());
    }

    public Order add(long orderId, long price, long size) {
        Level level = levels.get(price);
        if (level == null) {
            level = new Level(this, price);
            levels.put(price, level);
        }

        return level.add(orderId, size);
    }

    public void delete(Level level) {
        levels.remove(level.getPrice());
    }

}