/[xmltv_parser]/trunk/libxmltv/Core/XMLTVRuntimeInstance.cs
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Diff of /trunk/libxmltv/Core/XMLTVRuntimeInstance.cs

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--- trunk/libxmltv/Core/XMLTVInstance.cs	2013/03/08 03:36:44	44
+++ trunk/libxmltv/Core/XMLTVInstance.cs	2013/03/08 12:05:33	56
@@ -3,31 +3,213 @@
 using System.Linq;
 using System.Text;
 using libxmltv.Interfaces;
+using System.ComponentModel;
+using System.Windows.Forms;
+using System.Threading;
+using System.Reflection;
+using System.Globalization;
+using System.Diagnostics;
 
 namespace libxmltv.Core
 {
-    internal class XMLTVRuntimeInstance : MarshalByRefObject, IXMLTVRuntimeInstance, IDisposable
+    [Serializable]
+    internal class XMLTVRuntimeInstance : MarshalByRefObject, 
+        IXMLTVRuntimeInstance, 
+        ISerializer<XMLTVRuntimeInstance>, 
+        IGetCreatedInstanceEvent, 
+        ISetCreatedInstanceEvent, 
+        IDestroyInstance, 
+        IRuntimeInstanceLoader<XMLTVRuntimeInstance>
     {
-        public XMLTVRuntimeInstance(string xmlfile) { CreateInstance(xmlfile); }
-        private void CreateInstance(string xmlfile) { Instance = new XMLTVInstance(xmlfile, this); }
-        internal XMLTVInstance Instance { get; private set; }
+        [NonSerialized]
+        Thread worker;
+        public XMLTVRuntimeInstance()
+        {
+        }
+        public XMLTVRuntimeInstance(string xmlfile) 
+        {
+            worker = new Thread(new ParameterizedThreadStart(CreateInstance));
+            //CreateInstance(xmlfile);
+            worker.Start(xmlfile);
+        }
+        //public XMLTVRuntimeInstance(string xmlfile) : this(xmlfile, null) { }
+        //public XMLTVRuntimeInstance(string xmlfile, EventHandler<CancelEventArgs> t) { CreateInstance(xmlfile,t); }
+        private void CreateInstance(object xmlfile)
+        {            
+            //CancelEvent = t;
+            using (XMLTVInstance instance = new XMLTVInstance(xmlfile.ToString(), this))
+            {
+                if (OnInstanceCreated != null)
+                {
+                    OnInstanceCreated.Invoke(this,new EventArgs());
+                }
+            }
+        }
+
+        //internal XMLTVInstance Instance { get; private set; }
 
         #region IXMLTV_LOADER members
-        public System.IO.FileInfo XmlFile { get; set; }
-        public System.Xml.Linq.XDocument XmlDoc { get; set; }
+        private System.IO.FileInfo _XmlFile;
+        public System.IO.FileInfo XmlFile { get { return _XmlFile; } set { _XmlFile = value; } }
+        private string _XmlDoc;
+        public string XmlDoc { get { return _XmlDoc; } set { _XmlDoc = value; } }
         #endregion
         #region IXMLTV_PARSER Members
-        public IXMLTVSource Source { get; set; }
-        public Dictionary<string, IXMLTVChannel> Channels { get; set; }
-        public Dictionary<int, IXMLTVProgram> Programs { get; set; }
+        private IXMLTVSource _Source;
+        public IXMLTVSource Source { get { return _Source; } set { _Source = value; } }
+        private Dictionary<string, IXMLTVChannel> _Channels;
+        public Dictionary<string, IXMLTVChannel> Channels { get { return _Channels; } set { _Channels = value; } }
+        private Dictionary<int, IXMLTVProgram> _Programs;
+        public Dictionary<int, IXMLTVProgram> Programs { get { return _Programs; } set { _Programs = value; } }
         #endregion   
     
-        public void Dispose()
+        [NonSerialized]
+        private EventHandler<EventArgs> _OnInstanceCreated;
+        public EventHandler<EventArgs> OnInstanceCreated { get { return _OnInstanceCreated; } set { _OnInstanceCreated = value; } }
+        public EventHandler<EventArgs> GetOnInstanceCreated() { return OnInstanceCreated; }
+        public void SetOnInstanceCreated(EventHandler<EventArgs> event_instance) { OnInstanceCreated = event_instance; }
+
+        public IXMLTVSerializer<XMLTVRuntimeInstance> Serializer
+        {
+            get 
+            {
+                ///* We have to set CancelEvent to null, before returning a new instance of the serializer otherwise all subscribers to the event will have to be marked as serializeable.
+                //   Most subscribers will be of type: System.Windows.Forms which is not marked as serializable and will fail to serialize. */
+                //if (CancelEvent != null) { CancelEvent = null; }
+                return new XMLTVSerializer<XMLTVRuntimeInstance>(this); 
+            }
+        }
+        public void DestroyInstance()
         {
-            IsDisposing = true;
-            //throw new NotImplementedException();
+            xmltv_logger.Debug.WriteLine("Destoying Instance of: '{0}'", this.GetType().Name);
+            this.IsAborting = true;
+            if (worker == null)
+            {
+                xmltv_logger.Debug.WriteLine("Unable to destroy instance of: '{0}' - worker thread is null", this.GetType().Name);
+                return;
+            }
+            else
+            {
+                if (worker.IsAlive)
+                {
+                    xmltv_logger.Verbose.Debug.WriteLine("Requesting Instance to Abort...");
+                    while (worker.IsAlive)
+                    {
+                        worker.Abort();
+                        Application.DoEvents();
+                    }
+                }
+                else
+                {
+                    xmltv_logger.Debug.WriteLine("Instance of: '{0}'- already destroyed.", this.GetType().Name);
+                }
+            }
+        }
+        private bool _IsAborting;
+        public bool IsAborting
+        {
+            get { return _IsAborting; }
+            private set { _IsAborting = value; }
+        }
+        public XMLTVRuntimeInstance LoadFromInstance(XMLTVRuntimeInstance instance)
+        {
+            if (instance == null)
+            {
+                throw new NullReferenceException("Failed to load from instance because the instance is null.");
+            }
+            xmltv_logger.Debug.WriteLine("Loading from instance: '{0}'", instance.XmlFile.Name);
+            if (instance.Source != null)
+            {
+                xmltv_logger.Info.WriteLine("{0}", instance.Source.ToString());
+            }
+            else
+            {
+                xmltv_logger.Error.WriteLine("The Instance's Source Property is null.");
+            }
+            if (instance.Channels != null)
+            {
+                xmltv_logger.Info.WriteLine("Loaded: {0} Channels", instance.Channels.Count);
+            }
+            else
+            {
+                xmltv_logger.Error.WriteLine("The Instance's Channels Property is null.");
+            }
+            if (instance.Programs != null)
+            {
+                xmltv_logger.Info.WriteLine("Loaded: {0} Programs", instance.Programs.Count);
+            }
+            else
+            {
+                xmltv_logger.Error.WriteLine("The Instance's Programs Property is null.");
+            }
+            CloneFromInstance(ref instance);
+            //if (OnInstanceCreated != null)
+            //{
+            //    OnInstanceCreated.Invoke(this, new EventArgs());
+            //}
+            return instance;
+        }
+        private void CloneFromInstance(ref XMLTVRuntimeInstance instance)
+        {
+            //if (!instance.GetType().IsSerializable)
+            //{
+            //    throw new ArgumentException("Loaded instance is not serializable.", "instance");
+            //}
+            //if (Object.ReferenceEquals(instance, null))
+            //{
+            //    throw new NullReferenceException("Failed to load from instance because the instance is null.");
+            //}
+            BindingFlags flags = BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Instance;
+            CultureInfo culture = CultureInfo.CurrentCulture;
+            Type t = typeof(XMLTVRuntimeInstance);
+            foreach (var field in t.GetFields(flags))
+            {
+                try
+                {
+                    if (field.IsNotSerialized)
+                    {
+                        continue;
+                    }
+                    
+                    var f = instance.GetType().GetField(field.Name, flags);
+                    
+                    var v = f.GetValue(instance);
+                    field.SetValue(this, v);
+                }
+                catch (Exception ex)
+                {
+                    throw new Exception(string.Format("Unable to copy value for field: '{0}' from instance", field.Name), ex);
+                }
+            }
+            foreach (var property in t.GetProperties(flags))
+            {
+                try
+                {
+                    //if (property.Attributes.HasFlag(FieldAttributes.NotSerialized))
+                    //{
+                    //    continue;
+                    //}
+                    var f = instance.GetType().GetProperty(property.Name);
+                    object value = null;
+
+                    try
+                    {
+                        value = f.GetValue(instance, null);
+                    }
+                    catch (ArgumentException ex) { if (ex.Message == "Property get method not found.") { Debug.WriteLine(ex.ToString()); } else { throw ex; } }
+                    try
+                    {
+                        property.SetValue(this, value, null);
+                    }
+                    catch (ArgumentException ex) { if (ex.Message == "Property set method not found.") { Debug.WriteLine(ex.ToString()); } else { throw ex; } }
+
+                }
+                catch (Exception ex)
+                {
+                    throw new Exception(string.Format("Unable to copy value for property: '{0}' from instance", property.Name), ex);
+                }
+            }
         }
-        public bool IsDisposing { get; private set; }
     }
 
     internal class XMLTVInstance : IDisposable

 

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