psy.java

一份java写的期货交易程序

// Decompiled by Jad v1.5.7g. Copyright 2000 Pavel Kouznetsov.
// Jad home page: http://www.geocities.com/SiliconValley/Bridge/8617/jad.html
// Decompiler options: packimports(3) fieldsfirst ansi 
// Source File Name:   PSY.java

package gnnt.MEBS.HQApplet.Indicator;

import gnnt.MEBS.HQApplet.*;
import java.awt.Graphics;
import java.awt.Rectangle;

// Referenced classes of package gnnt.MEBS.HQApplet.Indicator:
//            IndicatorBase, IndicatorPos

public class PSY extends IndicatorBase
{

    private final int m_iParam[] = {
        12, 24
    };

    public PSY(IndicatorPos pos, int Precision)
    {
        super(pos, Precision);
        m_strIndicatorName = "PSY";
        m_strParamName = new String[m_iParam.length];
        for(int i = 0; i < m_iParam.length; i++)
            m_strParamName[i] = "PSY" + m_iParam[i];

        m_iPrecision = 2;
    }

    public void Paint(Graphics g, Rectangle rc, KLineData data[])
    {
        super.Paint(g, rc, data);
        Calculate();
        m_max = -10000F;
        m_min = 10000F;
        for(int i = 0; i < m_iParam.length; i++)
            GetValueMaxMin(m_data[i], m_iParam[i]);

        DrawCoordinate(g, 2);
        for(int i = 0; i < m_iParam.length; i++)
            DrawLine(g, m_data[i], m_iParam[i], HQApplet.rhColor.clIndicator[i]);

    }

    public void Calculate()
    {
        m_data = new float[m_iParam.length][];
        if(m_kData == null || m_kData.length == 0)
            return;
        for(int i = 0; i < m_iParam.length; i++)
            if(m_iParam[i] <= m_kData.length && m_iParam[i] > 0)
            {
                m_data[i] = new float[m_kData.length];
                GetPSY(m_iParam[i], m_data[i]);
            }

    }

    private void GetPSY(int n, float psy[])
    {
        if(psy == null)
            return;
        double sum = 0.0D;
        for(int i = 1; i < n; i++)
            if(m_kData[i].closePrice > m_kData[i - 1].closePrice)
                sum++;

        for(int i = n; i < m_kData.length; i++)
        {
            if(m_kData[i].closePrice > m_kData[i - 1].closePrice)
                sum++;
            psy[i] = (float)((sum / (double)n) * 100D);
            int j = (i - n) + 1;
            if(m_kData[j].closePrice > m_kData[j - 1].closePrice)
                sum--;
        }

    }
}