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Marshalling For Remote Persistence

, 24 May 2007
An article on remote persistence implementation using .NET marshal by value and XML.
/* Tetyana Loskutova http://tetyana.wordpress.com */
using System;
using System.Collections;
using System.IO;

using System.Runtime.Remoting;
using System.Runtime.Remoting.Channels;
using System.Runtime.Remoting.Channels.Http;
using System.Runtime.Remoting.Channels.Tcp;

using RemotingXml.PersistentClasses;

/*
 * Client test class. Creates a test objects array and passes it over the network 
 * to be stored as an XML file.
 */

namespace RemotingXml.RemotingExample
{
    class Program
    {

        // Remote proxy
        XmlHandler xmlHandler;
        
        public Program()
        {
            string url;

            // Setup a client channel to our services.
            HttpChannel channel = new HttpChannel(0);
            url = @"http://LocalHost:65101/";

            // Register the channel
            ChannelServices.RegisterChannel(channel, false);

            // Set an access to the remote proxy
            xmlHandler = (XmlHandler)RemotingServices.Connect(
                typeof(PersistentClasses.XmlHandler), url + "XmlHandlerEndPoint"
                );
        }
        // end Program

        static void Main(string[] args)
        {
            new Program().RunTest();
        }
        // end Main

        private void RunTest()
        {
            // an object to be stored remotely
            House house = new House(new Address("East London", "266 Oxford Street"), "Derick Hopkins");
            // Create a list to hold House instances
            HouseList persistentObjects = new HouseList();
            persistentObjects.Add(house);
            // another House for a list
            house = new House(new Address("East London", "23 Stewart Drive"), "Om Henderson");
            persistentObjects.Add(house);
            // Pass House list to the server using XmlHandler
            xmlHandler.PersistentObjects = (IList)persistentObjects;
            // Call method on the server to store houses to an XML file
            xmlHandler.StoreData();
            // Test what is stored to the database
            IList result = xmlHandler.RetrieveData(typeof(HouseList), typeof(House));
            foreach (object obj in result)
            {
                System.Console.WriteLine(obj);
            }   
        }
        // end RunTest
    }
}

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About the Author

Tetyana Loskutova

United Arab Emirates United Arab Emirates
No Biography provided

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