Commit for development environment setup

PROMS/csla20cs-2.1.4-070223/csla20cs/OLDcsla20cs/Csla/DataPortal/Client/EnterpriseServicesProxy.cs

@@ -0,0 +1,118 @@
+using System;
+
+namespace Csla.DataPortalClient
+{
+  /// <summary>
+  /// Implements a data portal proxy to relay data portal
+  /// calls to an application server hosted in COM+.
+  /// </summary>
+  public abstract class EnterpriseServicesProxy : DataPortalClient.IDataPortalProxy
+  {
+    /// <summary>
+    /// Override this method to return a reference to
+    /// the server-side COM+ (ServicedComponent) object
+    /// implementing the data portal server functionality.
+    /// </summary>
+    protected abstract Server.Hosts.EnterpriseServicesPortal GetServerObject();
+
+    /// <summary>
+    /// Called by <see cref="DataPortal" /> to 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 Server.DataPortalResult Create(Type objectType, object criteria, Server.DataPortalContext context)
+    {
+      Server.Hosts.EnterpriseServicesPortal svc = GetServerObject();
+      try
+      {
+        return svc.Create(objectType, criteria, context);
+      }
+      finally
+      {
+        if (svc != null)
+          svc.Dispose();
+      }
+    }
+
+    /// <summary>
+    /// Called by <see cref="DataPortal" /> to load 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 virtual Server.DataPortalResult Fetch(Type objectType, object criteria, Server.DataPortalContext context)
+    {
+      Server.Hosts.EnterpriseServicesPortal svc = GetServerObject();
+      try
+      {
+        return svc.Fetch(objectType, criteria, context);
+      }
+      finally
+      {
+        if (svc != null)
+          svc.Dispose();
+      }
+    }
+
+    /// <summary>
+    /// Called by <see cref="DataPortal" /> to update a
+    /// business object.
+    /// </summary>
+    /// <param name="obj">The business object to update.</param>
+    /// <param name="context">
+    /// <see cref="Server.DataPortalContext" /> object passed to the server.
+    /// </param>
+    public virtual Server.DataPortalResult Update(object obj, Server.DataPortalContext context)
+    {
+      Server.Hosts.EnterpriseServicesPortal svc = GetServerObject();
+      try
+      {
+        return svc.Update(obj, context);
+      }
+      finally
+      {
+        if (svc != null)
+          svc.Dispose();
+      }
+    }
+
+    /// <summary>
+    /// Called by <see cref="DataPortal" /> to 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 Server.DataPortalResult Delete(object criteria, Server.DataPortalContext context)
+    {
+      Server.Hosts.EnterpriseServicesPortal svc = GetServerObject();
+      try
+      {
+        return svc.Delete(criteria, context);
+      }
+      finally
+      {
+        if (svc != null)
+          svc.Dispose();
+      }
+    }
+
+    /// <summary>
+    /// Get a value indicating whether this proxy will invoke
+    /// a remote data portal server, or run the "server-side"
+    /// data portal in the caller's process and AppDomain.
+    /// </summary>
+    public virtual bool IsServerRemote
+    {
+      get { return true; }
+    }
+  }
+}