From 15faf2bb50196b09e2d396b816bd2756aec1cd47 Mon Sep 17 00:00:00 2001
From: Sam Harwell <Sam.Harwell@microsoft.com>
Date: Fri, 3 May 2019 18:10:02 -0500
Subject: [PATCH] Implement External Access APIs for Apex

---
 ...ronousOperationListenerProviderAccessor.cs | 27 +++++++++++++++++++
 ...ronousOperationListenerProviderAccessor.cs | 12 +++++++++
 ...ft.CodeAnalysis.ExternalAccess.Apex.csproj |  1 +
 .../Microsoft.CodeAnalysis.Workspaces.csproj  |  1 +
 4 files changed, 41 insertions(+)
 create mode 100644 src/Tools/ExternalAccess/Apex/ApexAsynchronousOperationListenerProviderAccessor.cs
 create mode 100644 src/Tools/ExternalAccess/Apex/IApexAsynchronousOperationListenerProviderAccessor.cs

diff --git a/src/Tools/ExternalAccess/Apex/ApexAsynchronousOperationListenerProviderAccessor.cs b/src/Tools/ExternalAccess/Apex/ApexAsynchronousOperationListenerProviderAccessor.cs
new file mode 100644
index 00000000000..7f34b78baf5
--- /dev/null
+++ b/src/Tools/ExternalAccess/Apex/ApexAsynchronousOperationListenerProviderAccessor.cs
@@ -0,0 +1,27 @@
+// Copyright (c) Microsoft.  All Rights Reserved.  Licensed under the Apache License, Version 2.0.  See License.txt in the project root for license information.
+
+using System;
+using System.Composition;
+using System.Threading.Tasks;
+using Microsoft.CodeAnalysis.Host.Mef;
+using Microsoft.CodeAnalysis.Shared.TestHooks;
+
+namespace Microsoft.CodeAnalysis.ExternalAccess.Apex
+{
+    [Export(typeof(IApexAsynchronousOperationListenerProviderAccessor))]
+    [Shared]
+    internal sealed class ApexAsynchronousOperationListenerProviderAccessor : IApexAsynchronousOperationListenerProviderAccessor
+    {
+        private readonly AsynchronousOperationListenerProvider _implementation;
+
+        [ImportingConstructor]
+        [Obsolete(MefConstruction.ImportingConstructorMessage, error: true)]
+        public ApexAsynchronousOperationListenerProviderAccessor(AsynchronousOperationListenerProvider implementation)
+        {
+            _implementation = implementation;
+        }
+
+        public Task WaitAllAsync(string[] featureNames = null, Action eventProcessingAction = null)
+            => _implementation.WaitAllAsync(featureNames, eventProcessingAction);
+    }
+}
diff --git a/src/Tools/ExternalAccess/Apex/IApexAsynchronousOperationListenerProviderAccessor.cs b/src/Tools/ExternalAccess/Apex/IApexAsynchronousOperationListenerProviderAccessor.cs
new file mode 100644
index 00000000000..f4b0196d6a7
--- /dev/null
+++ b/src/Tools/ExternalAccess/Apex/IApexAsynchronousOperationListenerProviderAccessor.cs
@@ -0,0 +1,12 @@
+// Copyright (c) Microsoft.  All Rights Reserved.  Licensed under the Apache License, Version 2.0.  See License.txt in the project root for license information.
+
+using System;
+using System.Threading.Tasks;
+
+namespace Microsoft.CodeAnalysis.ExternalAccess.Apex
+{
+    internal interface IApexAsynchronousOperationListenerProviderAccessor
+    {
+        Task WaitAllAsync(string[] featureNames = null, Action eventProcessingAction = null);
+    }
+}
diff --git a/src/Tools/ExternalAccess/Apex/Microsoft.CodeAnalysis.ExternalAccess.Apex.csproj b/src/Tools/ExternalAccess/Apex/Microsoft.CodeAnalysis.ExternalAccess.Apex.csproj
index 7e026f514c6..fe376f49a34 100644
--- a/src/Tools/ExternalAccess/Apex/Microsoft.CodeAnalysis.ExternalAccess.Apex.csproj
+++ b/src/Tools/ExternalAccess/Apex/Microsoft.CodeAnalysis.ExternalAccess.Apex.csproj
@@ -24,6 +24,7 @@
 
   <ItemGroup>
     <ProjectReference Include="..\..\..\Compilers\Core\Portable\Microsoft.CodeAnalysis.csproj" />
+    <ProjectReference Include="..\..\..\Workspaces\Core\Portable\Microsoft.CodeAnalysis.Workspaces.csproj" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/src/Workspaces/Core/Portable/Microsoft.CodeAnalysis.Workspaces.csproj b/src/Workspaces/Core/Portable/Microsoft.CodeAnalysis.Workspaces.csproj
index 81014c875cd..04de51d5f96 100644
--- a/src/Workspaces/Core/Portable/Microsoft.CodeAnalysis.Workspaces.csproj
+++ b/src/Workspaces/Core/Portable/Microsoft.CodeAnalysis.Workspaces.csproj
@@ -232,6 +232,7 @@
     <InternalsVisibleTo Include="Microsoft.CodeAnalysis.EditorFeatures" />
     <InternalsVisibleTo Include="Microsoft.CodeAnalysis.EditorFeatures.Text" />
     <InternalsVisibleTo Include="Microsoft.CodeAnalysis.EditorFeatures.Wpf" />
+    <InternalsVisibleTo Include="Microsoft.CodeAnalysis.ExternalAccess.Apex" />
     <InternalsVisibleTo Include="Microsoft.CodeAnalysis.ExternalAccess.Debugger" />
     <InternalsVisibleTo Include="Microsoft.CodeAnalysis.ExternalAccess.UnitTesting" />
     <InternalsVisibleTo Include="Microsoft.CodeAnalysis.Features" />
-- 
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