Merge pull request Azure#325 from heyyjudes/master

Adding if modified since / start time sample code

Author: arramac

samples/code-samples/ChangeFeed/ChangeFeed.csproj

@@ -35,8 +35,9 @@
     <WarningLevel>4</WarningLevel>
   </PropertyGroup>
   <ItemGroup>
-    <Reference Include="Microsoft.Azure.Documents.Client, Version=1.13.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
-      <HintPath>..\packages\Microsoft.Azure.DocumentDB.1.13.1\lib\net45\Microsoft.Azure.Documents.Client.dll</HintPath>
+    <Reference Include="Microsoft.Azure.Documents.Client, Version=1.17.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
+      <HintPath>..\packages\Microsoft.Azure.DocumentDB.1.17.0\lib\net45\Microsoft.Azure.Documents.Client.dll</HintPath>
+      <Private>True</Private>
     </Reference>
     <Reference Include="Newtonsoft.Json, Version=6.0.0.0, Culture=neutral, PublicKeyToken=30ad4fe6b2a6aeed, processorArchitecture=MSIL">
       <HintPath>..\packages\Newtonsoft.Json.6.0.8\lib\net45\Newtonsoft.Json.dll</HintPath>
@@ -71,12 +72,12 @@
     </ProjectReference>
   </ItemGroup>
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
-  <Import Project="..\packages\Microsoft.Azure.DocumentDB.1.13.1\build\Microsoft.Azure.DocumentDB.targets" Condition="Exists('..\packages\Microsoft.Azure.DocumentDB.1.13.1\build\Microsoft.Azure.DocumentDB.targets')" />
+  <Import Project="..\packages\Microsoft.Azure.DocumentDB.1.17.0\build\Microsoft.Azure.DocumentDB.targets" Condition="Exists('..\packages\Microsoft.Azure.DocumentDB.1.17.0\build\Microsoft.Azure.DocumentDB.targets')" />
   <Target Name="EnsureNuGetPackageBuildImports" BeforeTargets="PrepareForBuild">
     <PropertyGroup>
       <ErrorText>This project references NuGet package(s) that are missing on this computer. Use NuGet Package Restore to download them.  For more information, see http://go.microsoft.com/fwlink/?LinkID=322105. The missing file is {0}.</ErrorText>
     </PropertyGroup>
-    <Error Condition="!Exists('..\packages\Microsoft.Azure.DocumentDB.1.13.1\build\Microsoft.Azure.DocumentDB.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\Microsoft.Azure.DocumentDB.1.13.1\build\Microsoft.Azure.DocumentDB.targets'))" />
+    <Error Condition="!Exists('..\packages\Microsoft.Azure.DocumentDB.1.17.0\build\Microsoft.Azure.DocumentDB.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\Microsoft.Azure.DocumentDB.1.17.0\build\Microsoft.Azure.DocumentDB.targets'))" />
   </Target>
   <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
        Other similar extension points exist, see Microsoft.Common.targets.

samples/code-samples/ChangeFeed/Program.cs

@@ -69,6 +69,7 @@ await client.CreateDocumentCollectionIfNotExistsAsync(
 
             Console.WriteLine("Inserting 100 documents");
             List<Task> insertTasks = new List<Task>();
+            /*
             for (int i = 0; i < 100; i++)
             {
                 insertTasks.Add(client.CreateDocumentAsync(
@@ -77,7 +78,7 @@ await client.CreateDocumentCollectionIfNotExistsAsync(
             }
 
             await Task.WhenAll(insertTasks);
-
+            */
             // Returns all documents in the collection.
             Console.WriteLine("Reading all changes from the beginning");
             Dictionary<string, string> checkpoints = await GetChanges(client, collectionUri, new Dictionary<string, string>());
@@ -136,7 +137,9 @@ private static async Task<Dictionary<string, string>> GetChanges(
                         PartitionKeyRangeId = pkRange.Id,
                         StartFromBeginning = true,
                         RequestContinuation = continuation,
-                        MaxItemCount = -1
+                        MaxItemCount = -1,
+                        // Set reading time: only show change feed results modified since StartTime
+                        StartTime = DateTime.Now - TimeSpan.FromSeconds(30)
                     });
 
                 while (query.HasMoreResults)

samples/code-samples/ChangeFeed/packages.config

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="Microsoft.Azure.DocumentDB" version="1.13.1" targetFramework="net452" />
+  <package id="Microsoft.Azure.DocumentDB" version="1.17.0" targetFramework="net452" />
   <package id="Newtonsoft.Json" version="6.0.8" targetFramework="net452" />
 </packages>