Repository: ignite Updated Branches: refs/heads/master 4672b33ff -> 82e2501ca
IGNITE-4129 .NET: Add NearCacheExample This closes #1245 Project: http://git-wip-us.apache.org/repos/asf/ignite/repo Commit: http://git-wip-us.apache.org/repos/asf/ignite/commit/82e2501c Tree: http://git-wip-us.apache.org/repos/asf/ignite/tree/82e2501c Diff: http://git-wip-us.apache.org/repos/asf/ignite/diff/82e2501c Branch: refs/heads/master Commit: 82e2501ca3eb0309992ea69dedafad9592e59765 Parents: 4672b33 Author: Pavel Tupitsyn <[email protected]> Authored: Fri Nov 18 12:56:05 2016 +0300 Committer: Pavel Tupitsyn <[email protected]> Committed: Fri Nov 18 12:56:05 2016 +0300 ---------------------------------------------------------------------- .../Examples/ExamplesTest.cs | 2 +- .../Apache.Ignite.Examples.csproj | 1 + .../Datagrid/NearCacheExample.cs | 87 ++++++++++++++++++++ 3 files changed, 89 insertions(+), 1 deletion(-) ---------------------------------------------------------------------- http://git-wip-us.apache.org/repos/asf/ignite/blob/82e2501c/modules/platforms/dotnet/Apache.Ignite.Core.Tests/Examples/ExamplesTest.cs ---------------------------------------------------------------------- diff --git a/modules/platforms/dotnet/Apache.Ignite.Core.Tests/Examples/ExamplesTest.cs b/modules/platforms/dotnet/Apache.Ignite.Core.Tests/Examples/ExamplesTest.cs index 064b110..112db21 100644 --- a/modules/platforms/dotnet/Apache.Ignite.Core.Tests/Examples/ExamplesTest.cs +++ b/modules/platforms/dotnet/Apache.Ignite.Core.Tests/Examples/ExamplesTest.cs @@ -143,7 +143,7 @@ namespace Apache.Ignite.Core.Tests.Examples // ReSharper disable once MemberCanBeMadeStatic.Global public IEnumerable<Example> TestCasesLocal { - get { return Example.GetExamples(); } + get { return Example.GetExamples().Where(x => x.Name != "NearCacheExample"); } } /// <summary> http://git-wip-us.apache.org/repos/asf/ignite/blob/82e2501c/modules/platforms/dotnet/examples/Apache.Ignite.Examples/Apache.Ignite.Examples.csproj ---------------------------------------------------------------------- diff --git a/modules/platforms/dotnet/examples/Apache.Ignite.Examples/Apache.Ignite.Examples.csproj b/modules/platforms/dotnet/examples/Apache.Ignite.Examples/Apache.Ignite.Examples.csproj index 44e1bc2..332d3a1 100644 --- a/modules/platforms/dotnet/examples/Apache.Ignite.Examples/Apache.Ignite.Examples.csproj +++ b/modules/platforms/dotnet/examples/Apache.Ignite.Examples/Apache.Ignite.Examples.csproj @@ -53,6 +53,7 @@ <Compile Include="Datagrid\ContinuousQueryExample.cs" /> <Compile Include="Datagrid\DataStreamerExample.cs" /> <Compile Include="Datagrid\EntryProcessorExample.cs" /> + <Compile Include="Datagrid\NearCacheExample.cs" /> <Compile Include="Datagrid\OptimisticTransactionExample.cs" /> <Compile Include="Datagrid\PutGetExample.cs" /> <Compile Include="Datagrid\LinqExample.cs" /> http://git-wip-us.apache.org/repos/asf/ignite/blob/82e2501c/modules/platforms/dotnet/examples/Apache.Ignite.Examples/Datagrid/NearCacheExample.cs ---------------------------------------------------------------------- diff --git a/modules/platforms/dotnet/examples/Apache.Ignite.Examples/Datagrid/NearCacheExample.cs b/modules/platforms/dotnet/examples/Apache.Ignite.Examples/Datagrid/NearCacheExample.cs new file mode 100644 index 0000000..1c18256 --- /dev/null +++ b/modules/platforms/dotnet/examples/Apache.Ignite.Examples/Datagrid/NearCacheExample.cs @@ -0,0 +1,87 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You under the Apache License, Version 2.0 + * (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +namespace Apache.Ignite.Examples.Datagrid +{ + using System; + using Apache.Ignite.Core; + using Apache.Ignite.Core.Cache; + using Apache.Ignite.Core.Cache.Configuration; + using Apache.Ignite.Core.Cache.Eviction; + + /// <summary> + /// Example demonstrates the usage of a near cache on an Ignite client node side. + /// <para /> + /// 1) Build the project Apache.Ignite.ExamplesDll (select it -> right-click -> Build). + /// Apache.Ignite.ExamplesDll.dll must appear in %IGNITE_HOME%/platforms/dotnet/examples/Apache.Ignite.ExamplesDll/bin/${Platform]/${Configuration} folder. + /// 2) Set this class as startup object (Apache.Ignite.Examples project -> right-click -> Properties -> + /// Application -> Startup object); + /// 3) Start example (F5 or Ctrl+F5). + /// <para /> + /// This example must be run with standalone Apache Ignite.NET node: + /// 1) Run %IGNITE_HOME%/platforms/dotnet/bin/Apache.Ignite.exe: + /// Apache.Ignite.exe -configFileName=platforms\dotnet\examples\apache.ignite.examples\app.config + /// 2) Start example. + /// </summary> + public class NearCacheExample + { + private const string CacheName = "dotnet_near_cache_example"; + + [STAThread] + public static void Main() + { + // Make sure to start an Ignite server node before. + Ignition.ClientMode = true; + + using (var ignite = Ignition.StartFromApplicationConfiguration()) + { + Console.WriteLine(">>> Client node connected to the cluster"); + + // Creating a distributed and near cache. + var nearCacheCfg = new NearCacheConfiguration + { + EvictionPolicy = new LruEvictionPolicy + { + // Near cache will store only 10 recently accessed/used entries. + MaxSize = 10 + } + }; + + Console.WriteLine(">>> Populating the cache..."); + + ICache<int, int> cache = ignite.GetOrCreateCache<int, int>( + new CacheConfiguration(CacheName), nearCacheCfg); + + // Adding data into the cache. + // Latest 10 entries will be stored in the near cache on the client node side. + for (int i = 0; i < 1000; i++) + cache.Put(i, i * 10); + + Console.WriteLine(">>> Cache size: [Total={0}, Near={1}]", + cache.GetSize(), cache.GetSize(CachePeekMode.Near)); + + Console.WriteLine("\n>>> Reading from near cache..."); + + foreach (var entry in cache.GetLocalEntries(CachePeekMode.Near)) + Console.WriteLine(entry); + + Console.WriteLine("\n>>> Example finished, press any key to exit ..."); + Console.ReadKey(); + } + } + } +}
