Commit for development environment setup

PROMS/csla20cs-2.1.4-070223/csla20cs/OLDcsla20cs/Csla/DataPortal/Hosts/EnterpriseServicesPortal.cs

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+using System;
+using System.EnterpriseServices;
+using System.Runtime.InteropServices;
+using System.Reflection;
+
+namespace Csla.Server.Hosts
+{
+
+  /// <summary>
+  /// Exposes server-side DataPortal functionality
+  /// through Enterprise Services.
+  /// </summary>
+  [EventTrackingEnabled(true)]
+  [ComVisible(true)]
+  public abstract class EnterpriseServicesPortal : ServicedComponent, Server.IDataPortalServer
+  {
+
+    /// <summary>
+    /// Set up event handler to deal with
+    /// serialization issue as discussed
+    /// in Chapter 4.
+    /// </summary>
+    static EnterpriseServicesPortal()
+    {
+      SerializationWorkaround();
+    }
+
+    /// <summary>
+    /// Create a new business object.
+    /// </summary>
+    /// <param name="objectType">Type of business object to create.</param>
+    /// <param name="criteria">Criteria object describing business object.</param>
+    /// <param name="context">
+    /// <see cref="Server.DataPortalContext" /> object passed to the server.
+    /// </param>
+    public virtual DataPortalResult Create(Type objectType, object criteria, DataPortalContext context)
+    {
+      Server.DataPortal portal = new Server.DataPortal();
+      return portal.Create(objectType, criteria, context);
+    }
+
+    /// <summary>
+    /// Get an existing business object.
+    /// </summary>
+    /// <param name="objectType">Type of business object to retrieve.</param>
+    /// <param name="criteria">Criteria object describing business object.</param>
+    /// <param name="context">
+    /// <see cref="Server.DataPortalContext" /> object passed to the server.
+    /// </param>
+    public DataPortalResult Fetch(Type objectType, object criteria, DataPortalContext context)
+    {
+      Server.DataPortal portal = new Server.DataPortal();
+      return portal.Fetch(objectType, criteria, context);
+    }
+
+    /// <summary>
+    /// Update a business object.
+    /// </summary>
+    /// <param name="obj">Business object to update.</param>
+    /// <param name="context">
+    /// <see cref="Server.DataPortalContext" /> object passed to the server.
+    /// </param>
+    public virtual DataPortalResult Update(object obj, DataPortalContext context)
+    {
+      Server.DataPortal portal = new Server.DataPortal();
+      return portal.Update(obj, context);
+    }
+
+    /// <summary>
+    /// Delete a business object.
+    /// </summary>
+    /// <param name="criteria">Criteria object describing business object.</param>
+    /// <param name="context">
+    /// <see cref="Server.DataPortalContext" /> object passed to the server.
+    /// </param>
+    public virtual DataPortalResult Delete(object criteria, DataPortalContext context)
+    {
+      Server.DataPortal portal = new Server.DataPortal();
+      return portal.Delete(criteria, context);
+    }
+
+    #region Serialization bug workaround
+
+    private static void SerializationWorkaround()
+    {
+      // hook up the AssemblyResolve
+      // event so deep serialization works properly
+      // this is a workaround for a bug in the .NET runtime
+      AppDomain currentDomain = AppDomain.CurrentDomain;
+
+      currentDomain.AssemblyResolve += 
+        new ResolveEventHandler(ResolveEventHandler);
+    }
+
+    private static Assembly ResolveEventHandler(
+      object sender, ResolveEventArgs args)
+    {
+      // get a list of all the assemblies loaded in our appdomain
+      Assembly[] list = AppDomain.CurrentDomain.GetAssemblies();
+
+      // search the list to find the assembly that was not found automatically
+      // and return the assembly from the list
+
+      foreach (Assembly asm in list)
+        if (asm.FullName == args.Name)
+          return asm;
+
+      // if the assembly wasn't already in the appdomain, then try to load it.
+      return Assembly.Load(args.Name);
+    }
+
+    #endregion
+  }
+}

PROMS/csla20cs-2.1.4-070223/csla20cs/OLDcsla20cs/Csla/DataPortal/Hosts/RemotingPortal.cs

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+using System;
+
+namespace Csla.Server.Hosts
+{
+  /// <summary>
+  /// Exposes server-side DataPortal functionality
+  /// through .NET Remoting.
+  /// </summary>
+  public class RemotingPortal : MarshalByRefObject, Server.IDataPortalServer
+  {
+    /// <summary>
+    /// Create a new business object.
+    /// </summary>
+    /// <param name="objectType">Type of business object to create.</param>
+    /// <param name="criteria">Criteria object describing business object.</param>
+    /// <param name="context">
+    /// <see cref="Server.DataPortalContext" /> object passed to the server.
+    /// </param>
+    public DataPortalResult Create(
+      Type objectType, object criteria, DataPortalContext context)
+    {
+      Server.DataPortal portal = new DataPortal();
+      return portal.Create(objectType, criteria, context);
+    }
+
+    /// <summary>
+    /// Get an existing business object.
+    /// </summary>
+    /// <param name="objectType">Type of business object to retrieve.</param>
+    /// <param name="criteria">Criteria object describing business object.</param>
+    /// <param name="context">
+    /// <see cref="Server.DataPortalContext" /> object passed to the server.
+    /// </param>
+    public DataPortalResult Fetch(Type objectType, object criteria, DataPortalContext context)
+    {
+      Server.DataPortal portal = new DataPortal();
+      return portal.Fetch(objectType, criteria, context);
+    }
+
+    /// <summary>
+    /// Update a business object.
+    /// </summary>
+    /// <param name="obj">Business object to update.</param>
+    /// <param name="context">
+    /// <see cref="Server.DataPortalContext" /> object passed to the server.
+    /// </param>
+    public DataPortalResult Update(object obj, DataPortalContext context)
+    {
+      Server.DataPortal portal = new DataPortal();
+      return portal.Update(obj, context);
+    }
+
+    /// <summary>
+    /// Delete a business object.
+    /// </summary>
+    /// <param name="criteria">Criteria object describing business object.</param>
+    /// <param name="context">
+    /// <see cref="Server.DataPortalContext" /> object passed to the server.
+    /// </param>
+    public DataPortalResult Delete(object criteria, DataPortalContext context)
+    {
+      Server.DataPortal portal = new DataPortal();
+      return portal.Delete(criteria, context);
+    }
+  }
+}

PROMS/csla20cs-2.1.4-070223/csla20cs/OLDcsla20cs/Csla/DataPortal/Hosts/WebServicePortal.cs

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+using System;
+using System.Web;
+using System.Web.Services;
+using System.IO;
+using System.Runtime.Serialization.Formatters.Binary;
+
+namespace Csla.Server.Hosts
+{
+  // in asmx use web directive like
+  // <%@ WebService Class="Csla.Server.Hosts.WebServicePortal" %>
+  /// <summary>
+  /// Exposes server-side DataPortal functionality
+  /// through Web Services (asmx).
+  /// </summary>
+  [WebService(Namespace = "http://ws.lhotka.net/Csla")]
+  public class WebServicePortal : WebService
+  {
+
+    #region Request classes
+
+    /// <summary>
+    /// Request message for creating
+    /// a new business object.
+    /// </summary>
+    [Serializable()]
+    public class CreateRequest
+    {
+      private Type _objectType;
+      private object _criteria;
+      private Server.DataPortalContext _context;
+
+      /// <summary>
+      /// Type of business object to create.
+      /// </summary>
+      public Type ObjectType
+      {
+        get { return _objectType; }
+        set { _objectType = value; }
+      }
+
+      /// <summary>
+      /// Criteria object describing business object.
+      /// </summary>
+      public object Criteria
+      {
+        get { return _criteria; }
+        set { _criteria = value; }
+      }
+
+      /// <summary>
+      /// Data portal context from client.
+      /// </summary>
+      public Server.DataPortalContext Context
+      {
+        get { return _context; }
+        set { _context = value; }
+      }
+    }
+
+    /// <summary>
+    /// Request message for retrieving
+    /// an existing business object.
+    /// </summary>
+    [Serializable()]
+    public class FetchRequest
+    {
+      private Type _objectType;
+      private object _criteria;
+      private Server.DataPortalContext _context;
+
+      /// <summary>
+      /// Type of business object to create.
+      /// </summary>
+      public Type ObjectType
+      {
+        get { return _objectType; }
+        set { _objectType = value; }
+      }
+
+      /// <summary>
+      /// Criteria object describing business object.
+      /// </summary>
+      public object Criteria
+      {
+        get { return _criteria; }
+        set { _criteria = value; }
+      }
+
+      /// <summary>
+      /// Data portal context from client.
+      /// </summary>
+      public Server.DataPortalContext Context
+      {
+        get { return _context; }
+        set { _context = value; }
+      }
+    }
+
+    /// <summary>
+    /// Request message for updating
+    /// a business object.
+    /// </summary>
+    [Serializable()]
+    public class UpdateRequest
+    {
+      private object _object;
+      private Server.DataPortalContext _context;
+
+      /// <summary>
+      /// Business object to be updated.
+      /// </summary>
+      public object Object
+      {
+        get { return _object; }
+        set { _object = value; }
+      }
+
+      /// <summary>
+      /// Data portal context from client.
+      /// </summary>
+      public Server.DataPortalContext Context
+      {
+        get { return _context; }
+        set { _context = value; }
+      }
+    }
+
+    /// <summary>
+    /// Request message for deleting
+    /// a business object.
+    /// </summary>
+    [Serializable()]
+    public class DeleteRequest
+    {
+      private object _criteria;
+      private Server.DataPortalContext _context;
+
+      /// <summary>
+      /// Criteria object describing business object.
+      /// </summary>
+      public object Criteria
+      {
+        get { return _criteria; }
+        set { _criteria = value; }
+      }
+
+      /// <summary>
+      /// Data portal context from client.
+      /// </summary>
+      public Server.DataPortalContext Context
+      {
+        get { return _context; }
+        set { _context = value; }
+      }
+    }
+
+    #endregion
+
+    /// <summary>
+    /// Create a new business object.
+    /// </summary>
+    /// <param name="requestData">Byte stream containing <see cref="CreateRequest" />.</param>
+    /// <returns>Byte stream containing resulting object data.</returns>
+    [WebMethod()]
+    public byte[] Create(byte[] requestData)
+    {
+      CreateRequest request = (CreateRequest)Deserialize(requestData);
+
+      DataPortal portal = new DataPortal();
+      object result;
+      try
+      {
+        result = portal.Create(request.ObjectType, request.Criteria, request.Context);
+      }
+      catch (Exception ex)
+      {
+        result = ex;
+      }
+      return Serialize(result);
+    }
+
+    /// <summary>
+    /// Get an existing business object.
+    /// </summary>
+    /// <param name="requestData">Byte stream containing <see cref="FetchRequest" />.</param>
+    /// <returns>Byte stream containing resulting object data.</returns>
+    [WebMethod()]
+    public byte[] Fetch(byte[] requestData)
+    {
+      FetchRequest request = (FetchRequest)Deserialize(requestData);
+
+      DataPortal portal = new DataPortal();
+      object result;
+      try
+      {
+        result = portal.Fetch(request.ObjectType, request.Criteria, request.Context);
+      }
+      catch (Exception ex)
+      {
+        result = ex;
+      }
+      return Serialize(result);
+    }
+
+    /// <summary>
+    /// Update a business object.
+    /// </summary>
+    /// <param name="requestData">Byte stream containing <see cref="UpdateRequest" />.</param>
+    /// <returns>Byte stream containing resulting object data.</returns>
+    [WebMethod()]
+    public byte[] Update(byte[] requestData)
+    {
+      UpdateRequest request = (UpdateRequest)Deserialize(requestData);
+
+      DataPortal portal = new DataPortal();
+      object result;
+      try
+      {
+        result = portal.Update(request.Object, request.Context);
+      }
+      catch (Exception ex)
+      {
+        result = ex;
+      }
+      return Serialize(result);
+    }
+
+    /// <summary>
+    /// Delete a business object.
+    /// </summary>
+    /// <param name="requestData">Byte stream containing <see cref="DeleteRequest" />.</param>
+    /// <returns>Byte stream containing resulting object data.</returns>
+    [WebMethod()]
+    public byte[] Delete(byte[] requestData)
+    {
+      DeleteRequest request = (DeleteRequest)Deserialize(requestData);
+
+      DataPortal portal = new DataPortal();
+      object result;
+      try
+      {
+        result = portal.Delete(request.Criteria, request.Context);
+      }
+      catch (Exception ex)
+      {
+        result = ex;
+      }
+      return Serialize(result);
+    }
+
+    #region Helper functions
+
+    private static byte[] Serialize(object obj)
+    {
+      if (obj != null)
+      {
+        using (MemoryStream buffer = new MemoryStream())
+        {
+          BinaryFormatter formatter = new BinaryFormatter();
+          formatter.Serialize(buffer, obj);
+          return buffer.ToArray();
+        }
+      }
+      return null;
+    }
+
+    private static object Deserialize(byte[] obj)
+    {
+      if (obj != null)
+      {
+        using (MemoryStream buffer = new MemoryStream(obj))
+        {
+          BinaryFormatter formatter = new BinaryFormatter();
+          return formatter.Deserialize(buffer);
+        }
+      }
+      return null;
+    }
+
+    #endregion
+  }
+}