DataItem.java

package org.chartsy.main.data;

import java.io.Serializable;
import java.util.Date;
import org.chartsy.main.utils.SerialVersion;

/**
 *
 * @author viorel.gheba
 */
public class DataItem implements Serializable, Comparable<DataItem>
{

    private static final long serialVersionUID = SerialVersion.APPVERSION;

    private long time;
    private double open;
    private double high;
    private double low;
    private double close;
    private double volume;

    public DataItem(long time, double close)
    {
        this.time = time;
        this.open = 0;
        this.high = 0;
        this.low = 0;
        this.close = close;
        this.volume = 0;
    }

    public DataItem(long time, double open, double high, double low, double close, double volume)
    {
        this.time = time;
        this.open = open;
        this.high = high;
        this.low = low;
        this.close = close;
        this.volume = volume;
    }

    public DataItem getEmptyDataItem()
    { return null; }

    public long getTime() 
    { return time; }

    public void setTime(long time) 
    { this.time = time; }

    public Date getDate() 
    { return new Date(time); }

    public double getOpen() 
    { return open; }

    public void setOpen(double open) 
    { this.open = open; }

    public double getHigh() 
    { return high; }

    public void setHigh(double high) 
    { this.high = high; }

    public double getLow() 
    { return low; }

    public void setLow(double low) 
    { this.low = low; }

    public double getClose() 
    { return close; }

    public void setClose(double close) 
    { this.close = close; }

    public double getVolume() 
    { return volume; }

    public void setVolume(double volume) 
    { this.volume = volume; }

	@Override
    public boolean equals(Object obj)
    {
        if (obj == this)
            return true;

        if (!(obj instanceof DataItem))
            return false;
        
        DataItem that = (DataItem) obj;
        if (getTime() != that.getTime()) 
            return false;

        if (getOpen() != that.getOpen()) 
            return false;

        if (getHigh() != that.getHigh()) 
            return false;

        if (getLow() != that.getLow()) 
            return false;

        if (getClose() != that.getClose()) 
            return false;

        if (getVolume() != that.getVolume()) 
            return false;
        
        return true;
    }

	@Override
	public int hashCode()
	{
		int hash = 3;
		hash = 53 * hash + (int) (this.time ^ (this.time >>> 32));
		hash = 53 * hash + (int) (Double.doubleToLongBits(this.open) ^ (Double.doubleToLongBits(this.open) >>> 32));
		hash = 53 * hash + (int) (Double.doubleToLongBits(this.high) ^ (Double.doubleToLongBits(this.high) >>> 32));
		hash = 53 * hash + (int) (Double.doubleToLongBits(this.low) ^ (Double.doubleToLongBits(this.low) >>> 32));
		hash = 53 * hash + (int) (Double.doubleToLongBits(this.close) ^ (Double.doubleToLongBits(this.close) >>> 32));
		hash = 53 * hash + (int) (Double.doubleToLongBits(this.volume) ^ (Double.doubleToLongBits(this.volume) >>> 32));
		return hash;
	}

	@Override
    public String toString()
    {
        StringBuilder sb = new StringBuilder();
		sb.append(Long.toString(time)).append(",");
        //sb.append("DataItem [open=");
        sb.append(Double.toString(open)).append(",");
        //sb.append(", high=");
        sb.append(Double.toString(high)).append(",");
        //sb.append(", low=");
        sb.append(Double.toString(low)).append(",");
        //sb.append(", close=");
        sb.append(Double.toString(close)).append(",");
        //sb.append(", volume=");
        sb.append(Double.toString(volume));
        //sb.append(", time=");
        return sb.toString();
    }

	@Override
	public int compareTo(DataItem item)
	{
		return getDate().compareTo(item.getDate());
	}

	public boolean updateClose(DataItem item)
	{
		return Double.compare(close, item.getClose()) != 0;
	}

}