/V4/PrismLibrary/Desktop/Prism.MefExtensions/Modularity/MefModuleManager.Desktop.cs

//===================================================================================

// Microsoft patterns & practices

// Composite Application Guidance for Windows Presentation Foundation and Silverlight

//===================================================================================

// Copyright (c) Microsoft Corporation.  All rights reserved.

// THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY

// OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT

// LIMITED TO THE IMPLIED WARRANTIES OF MERCHANTABILITY AND

// FITNESS FOR A PARTICULAR PURPOSE.

//===================================================================================

// The example companies, organizations, products, domain names,

// e-mail addresses, logos, people, places, and events depicted

// herein are fictitious.  No association with any real company,

// organization, product, domain name, email address, logo, person,

// places, or events is intended or should be inferred.

//===================================================================================

using System.Collections.Generic;

using System.ComponentModel.Composition;

using Microsoft.Practices.Prism.Modularity;



namespace Microsoft.Practices.Prism.MefExtensions.Modularity

{

    /// <summary>    

    /// Component responsible for coordinating the modules' type loading and module initialization process. 

    /// </summary>

    /// <remarks>

    /// This allows the MefBootstrapper to provide this class as a default implementation.

    /// If another implementation is found, this export will not be used.

    /// </remarks>

    public partial class MefModuleManager : ModuleManager, IPartImportsSatisfiedNotification

    {

        // disable the warning that the field is never assigned to, and will always have its default value null

        // as it is imported by MEF

#pragma warning disable 0649

        [Import(AllowRecomposition = false)] 

        private MefFileModuleTypeLoader mefFileModuleTypeLoader;

#pragma warning restore 0649



        private IEnumerable<IModuleTypeLoader> mefTypeLoaders;



        /// <summary>

        /// Gets or sets the type loaders used by the module manager.

        /// </summary>

        public override IEnumerable<IModuleTypeLoader> ModuleTypeLoaders

        {

            get

            {

                if (this.mefTypeLoaders == null)

                {

                    this.mefTypeLoaders = new List<IModuleTypeLoader>()

                                              {

                                                  this.mefFileModuleTypeLoader

                                              };

                }



                return this.mefTypeLoaders;

            }



            set

            {

                this.mefTypeLoaders = value;

            }

        }

    }

}