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Universal Framework for Science and Engineering - Part 6: Determination of Orbits of Artificial Satellites

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8 Jul 2011CPOL19 min read 82.6K   6.6K   82  
An article on framework applications to determine the orbits of artificial satellites
using System;
using System.Collections.Generic;
using System.Reflection;


using DiagramUI;
using CategoryTheory;
using DataPerformer.Attributes;
using DataPerformer.Interfaces;
using DiagramUI.Interfaces;

namespace DataPerformer
{
    /// <summary>
    /// Post load of data desktop
    /// </summary>
    public class DataDesktopPostLoad 
    {

        #region Fields

        /// <summary>
        /// Singleton
        /// </summary>
        public static DataDesktopPostLoad Object = new DataDesktopPostLoad();

        private static int completionLevel = 3;

        #endregion


        #region Ctor

        /// <summary>
        /// Default constructor
        /// </summary>
        protected DataDesktopPostLoad()
        {
        }

        #endregion

        #region IDesktopPostLoad Members

        /// <summary>
        /// Post load operation
        /// </summary>
        /// <param name="desktop">The desktop for post load</param>
        public virtual void PostLoad(IDesktop desktop)
        {
            object[] o = PureDesktop.GetIntersectObjects(desktop, new Type[] { typeof(IDataConsumer), typeof(IMeasurements) });
            int i = 0;
            while (!Complete(o))
            {
                ++i;
                if (i >= completionLevel)
                {
                    break;
                }
            }
        }

        #endregion

        bool Complete(object[] objs)
        {
            bool b = true;
            foreach (object o in objs)
            {
                Type t = o.GetType();
                PropertyInfo pi = t.GetProperty("IsComplete");
                if (pi == null)
                {
                    continue;
                }
                bool bi = (bool)pi.GetValue(o, null);
                if (!bi)
                {
                    Complete(o);
                    b = false;
                }
            }
            return b;
        }

        void Complete(object o)
        {
            if (o is IDataConsumer)
            {
                IDataConsumer dc = o as IDataConsumer;
                for (int i = 0; i < dc.Count; i++)
                {
                    IMeasurements m = dc[i];
                    CompletePost(m);
                }
            }
            CompletePost(o);
            CompleteSource(o as ICategoryObject);
        }

        void CompleteSource(ICategoryObject obj)
        {
            ICategoryArrow[] arr = obj.GetTargetArrows<DataLink>();
            foreach (ICategoryArrow a in arr)
            {
                ICategoryObject o = a.Source;
                CompletePost(o);
                CompleteSource(o);
            }
        }

        static void CompletePost(object obj)
        {
            Type type = obj.GetType();
            object[] attr = type.GetCustomAttributes(typeof(ShouldCompleteAttribute), true);
            //bool isComplete = false;
            if (attr.Length > 0)
            {
                ShouldCompleteAttribute at = attr[0] as ShouldCompleteAttribute;
                if (at.ShouldComplete)
                {
                    MethodInfo mi = type.GetMethod("Complete", new Type[0]);
                    if (mi != null)
                    {
                        mi.Invoke(obj, new object[0]);
                        //isComplete = true;
                        return;
                    }
                }
            }
            if (obj is IPostSetArrow)
            {
                IPostSetArrow ps = obj as IPostSetArrow;
                ps.PostSetArrow();
            }
        }
    }
}

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License

This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)


Written By
Architect
Russian Federation Russian Federation
Ph. D. Petr Ivankov worked as scientific researcher at Russian Mission Control Centre since 1978 up to 2000. Now he is engaged by Aviation training simulators http://dinamika-avia.com/ . His additional interests are:

1) Noncommutative geometry

http://front.math.ucdavis.edu/author/P.Ivankov

2) Literary work (Russian only)

http://zhurnal.lib.ru/editors/3/3d_m/

3) Scientific articles
http://arxiv.org/find/all/1/au:+Ivankov_Petr/0/1/0/all/0/1

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