Trade.java

/*
 * Copyright (c) 2004-2011 Marco Maccaferri and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Marco Maccaferri - initial API and implementation
 */

package org.eclipsetrader.core.feed;

import java.io.Serializable;
import java.util.Date;

/**
 * Implementation of the <code>ITrade</code> interface. Holds the trade informations.
 *
 * @since 1.0
 * @see org.eclipsetrader.core.feed.ITrade
 */
public class Trade implements ITrade, Serializable {

    private static final long serialVersionUID = -2797699531211443331L;

    private Date time;
    private Double price;
    private Long size;
    private Long volume;

    public Trade(Date time, Double price, Long size, Long volume) {
        this.time = time;
        this.price = price;
        this.size = size;
        this.volume = volume;
    }

    public Trade(Double price) {
        this.price = price;
    }

    /* (non-Javadoc)
     * @see org.eclipsetrader.core.feed.ITrade#getTime()
     */
    @Override
    public Date getTime() {
        return time;
    }

    /* (non-Javadoc)
     * @see org.eclipsetrader.core.feed.ITrade#getPrice()
     */
    @Override
    public Double getPrice() {
        return price;
    }

    /* (non-Javadoc)
     * @see org.eclipsetrader.core.feed.ITrade#getSize()
     */
    @Override
    public Long getSize() {
        return size;
    }

    /* (non-Javadoc)
     * @see org.eclipsetrader.core.feed.ITrade#getVolume()
     */
    @Override
    public Long getVolume() {
        return volume;
    }

    /* (non-Javadoc)
     * @see java.lang.Object#equals(java.lang.Object)
     */
    @Override
    public boolean equals(Object obj) {
        if (!(obj instanceof ITrade)) {
            return false;
        }
        ITrade other = (ITrade) obj;
        return (getTime() == other.getTime() || getTime() != null && getTime().equals(other.getTime())) && (getPrice() == other.getPrice() || getPrice() != null && getPrice().equals(other.getPrice())) && (getSize() == other.getSize() || getSize() != null && getSize().equals(other.getSize())) && (getVolume() == other.getVolume() || getVolume() != null && getVolume().equals(other.getVolume()));
    }

    /* (non-Javadoc)
     * @see java.lang.Object#hashCode()
     */
    @Override
    public int hashCode() {
        return 3 * (time != null ? time.hashCode() : 0) + 7 * (price != null ? price.hashCode() : 0) + 11 * (size != null ? size.hashCode() : 0) + 13 * (volume != null ? volume.hashCode() : 0);
    }

    /* (non-Javadoc)
     * @see java.lang.Object#toString()
     */
    @Override
    public String toString() {
        return "[Trade: " + time + " P=" + price + " S=" + size + " V=" + volume + "]";
    }
}