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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,157 @@ | ||
| using System; | ||
| using System.Collections.Generic; | ||
| using System.Data; | ||
| using System.Linq; | ||
| using d60.Cirqus.Events; | ||
| using d60.Cirqus.Extensions; | ||
| using d60.Cirqus.Serialization; | ||
| using Npgsql; | ||
| using NpgsqlTypes; | ||
|
|
||
| namespace d60.Cirqus.PostgreSql | ||
| { | ||
| public class PostgreSqlEventStore : IEventStore | ||
| { | ||
| readonly string _tableName; | ||
| readonly string _connectionString; | ||
| readonly Serializer _serializer = new Serializer("<events>"); | ||
|
|
||
| public PostgreSqlEventStore(string connectionStringOrConnectionStringName, string tableName, bool automaticallyCreateSchema = true) | ||
| { | ||
| _tableName = tableName; | ||
| _connectionString = SqlHelper.GetConnectionString(connectionStringOrConnectionStringName); | ||
|
|
||
| if (automaticallyCreateSchema) | ||
| { | ||
| CreateSchema(); | ||
| } | ||
| } | ||
|
|
||
| void CreateSchema() | ||
| { | ||
| var sql = string.Format(@" | ||
| CREATE TABLE IF NOT EXISTS ""{0}"" ( | ||
| ""id"" BIGSERIAL NOT NULL, | ||
| ""batchId"" UUID NOT NULL, | ||
| ""aggId"" UUID NOT NULL, | ||
| ""seqNo"" BIGINT NOT NULL, | ||
| ""globSeqNo"" BIGINT NOT NULL, | ||
| ""data"" JSONB NOT NULL, | ||
| PRIMARY KEY (""id"") | ||
| ); | ||
| ", _tableName); | ||
|
|
||
| /* | ||
| * [id] [bigint] IDENTITY(1,1) NOT NULL, | ||
| [batchId] [uniqueidentifier] NOT NULL, | ||
| [aggId] [uniqueidentifier] NOT NULL, | ||
| [seqNo] [bigint] NOT NULL, | ||
| [globSeqNo] [bigint] NOT NULL, | ||
| [data] [nvarchar](max) NOT NULL, | ||
| */ | ||
|
|
||
| using (var connection = GetConnection()) | ||
| using (var command = connection.CreateCommand()) | ||
| { | ||
| command.CommandText = sql; | ||
| command.ExecuteNonQuery(); | ||
| } | ||
| } | ||
|
|
||
| public void Save(Guid batchId, IEnumerable<DomainEvent> batch) | ||
| { | ||
| using (var connection = GetConnection()) | ||
| using (var tx = connection.BeginTransaction()) | ||
| { | ||
| var eventList = batch.ToList(); | ||
|
|
||
| var nextSequenceNumber = GetNextSequenceNumber(connection, tx); | ||
|
|
||
| foreach (var e in eventList) | ||
| { | ||
| e.Meta[DomainEvent.MetadataKeys.GlobalSequenceNumber] = nextSequenceNumber++; | ||
| e.Meta[DomainEvent.MetadataKeys.BatchId] = batchId; | ||
| } | ||
|
|
||
| EventValidation.ValidateBatchIntegrity(batchId, eventList); | ||
|
|
||
| foreach (var e in eventList) | ||
| { | ||
| using (var cmd = connection.CreateCommand()) | ||
| { | ||
| cmd.Transaction = tx; | ||
| cmd.CommandText = string.Format(@" | ||
| INSERT INTO ""{0}"" ( | ||
| ""batchId"", | ||
| ""aggId"", | ||
| ""seqNo"", | ||
| ""globSeqNo"", | ||
| ""data"" | ||
| ) VALUES ( | ||
| @batchId, | ||
| @aggId, | ||
| @seqNo, | ||
| @globSeqNo, | ||
| @data | ||
| ) | ||
| ", _tableName); | ||
|
|
||
|
|
||
| cmd.Parameters.AddWithValue("batchId", batchId); | ||
| cmd.Parameters.AddWithValue("aggId", e.GetAggregateRootId()); | ||
| cmd.Parameters.AddWithValue("seqNo", e.Meta[DomainEvent.MetadataKeys.SequenceNumber]); | ||
| cmd.Parameters.AddWithValue("globSeqNo", e.Meta[DomainEvent.MetadataKeys.GlobalSequenceNumber]); | ||
| cmd.Parameters.AddWithValue("data", _serializer.Serialize(e)); | ||
|
|
||
| cmd.ExecuteNonQuery(); | ||
| } | ||
| } | ||
|
|
||
| tx.Commit(); | ||
| } | ||
| } | ||
|
|
||
| long GetNextSequenceNumber(NpgsqlConnection conn, NpgsqlTransaction tx) | ||
| { | ||
| using (var cmd = conn.CreateCommand()) | ||
| { | ||
| cmd.Transaction = tx; | ||
| cmd.CommandText = string.Format(@"SELECT MAX(""globSeqNo"") FROM ""{0}""", _tableName); | ||
|
|
||
| var result = cmd.ExecuteScalar(); | ||
|
|
||
| return result != DBNull.Value | ||
| ? (long)result + 1 | ||
| : 0; | ||
| } | ||
| } | ||
|
|
||
|
|
||
| NpgsqlConnection GetConnection() | ||
| { | ||
| var connection = new NpgsqlConnection(_connectionString); | ||
|
|
||
| connection.Open(); | ||
|
|
||
| return connection; | ||
| } | ||
|
|
||
| public IEnumerable<DomainEvent> Load(Guid aggregateRootId, long firstSeq = 0, long limit = Int32.MaxValue) | ||
| { | ||
| throw new NotImplementedException(); | ||
| } | ||
|
|
||
| public long GetNextSeqNo(Guid aggregateRootId) | ||
| { | ||
| return 0; | ||
| } | ||
|
|
||
| public IEnumerable<DomainEvent> Stream(long globalSequenceNumber = 0) | ||
| { | ||
| throw new NotImplementedException(); | ||
| } | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,36 @@ | ||
| using System.Reflection; | ||
| using System.Runtime.CompilerServices; | ||
| using System.Runtime.InteropServices; | ||
|
|
||
| // General Information about an assembly is controlled through the following | ||
| // set of attributes. Change these attribute values to modify the information | ||
| // associated with an assembly. | ||
| [assembly: AssemblyTitle("d60.Cirqus.PostgreSql")] | ||
| [assembly: AssemblyDescription("")] | ||
| [assembly: AssemblyConfiguration("")] | ||
| [assembly: AssemblyCompany("")] | ||
| [assembly: AssemblyProduct("d60.Cirqus.PostgreSql")] | ||
| [assembly: AssemblyCopyright("Copyright © 2014")] | ||
| [assembly: AssemblyTrademark("")] | ||
| [assembly: AssemblyCulture("")] | ||
|
|
||
| // Setting ComVisible to false makes the types in this assembly not visible | ||
| // to COM components. If you need to access a type in this assembly from | ||
| // COM, set the ComVisible attribute to true on that type. | ||
| [assembly: ComVisible(false)] | ||
|
|
||
| // The following GUID is for the ID of the typelib if this project is exposed to COM | ||
| [assembly: Guid("3b2b7999-545d-4d96-b5ec-7f20b773fe92")] | ||
|
|
||
| // Version information for an assembly consists of the following four values: | ||
| // | ||
| // Major Version | ||
| // Minor Version | ||
| // Build Number | ||
| // Revision | ||
| // | ||
| // You can specify all the values or you can default the Build and Revision Numbers | ||
| // by using the '*' as shown below: | ||
| // [assembly: AssemblyVersion("1.0.*")] | ||
| [assembly: AssemblyVersion("1.0.0.0")] | ||
| [assembly: AssemblyFileVersion("1.0.0.0")] |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,22 @@ | ||
| using System.Configuration; | ||
|
|
||
| namespace d60.Cirqus.PostgreSql | ||
| { | ||
| class SqlHelper | ||
| { | ||
| /// <summary> | ||
| /// Looks for a connection string in AppSettings with the specified name and returns that if possible - otherwise, | ||
| /// it is assumed that the string is a connection string in itself | ||
| /// </summary> | ||
| public static string GetConnectionString(string connectionStringOrConnectionStringName) | ||
| { | ||
| var connectionStringSettings = ConfigurationManager.ConnectionStrings[connectionStringOrConnectionStringName]; | ||
|
|
||
| var connectionString = connectionStringSettings != null | ||
| ? connectionStringSettings.ConnectionString | ||
| : connectionStringOrConnectionStringName; | ||
|
|
||
| return connectionString; | ||
| } | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,79 @@ | ||
| <?xml version="1.0" encoding="utf-8"?> | ||
| <Project ToolsVersion="12.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003"> | ||
| <Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" /> | ||
| <PropertyGroup> | ||
| <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration> | ||
| <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform> | ||
| <ProjectGuid>{1DCEE03D-8316-443B-92D5-DD89D368837C}</ProjectGuid> | ||
| <OutputType>Library</OutputType> | ||
| <AppDesignerFolder>Properties</AppDesignerFolder> | ||
| <RootNamespace>d60.Cirqus.PostgreSql</RootNamespace> | ||
| <AssemblyName>d60.Cirqus.PostgreSql</AssemblyName> | ||
| <TargetFrameworkVersion>v4.5</TargetFrameworkVersion> | ||
| <FileAlignment>512</FileAlignment> | ||
| <SolutionDir Condition="$(SolutionDir) == '' Or $(SolutionDir) == '*Undefined*'">..\</SolutionDir> | ||
| <RestorePackages>true</RestorePackages> | ||
| </PropertyGroup> | ||
| <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' "> | ||
| <DebugSymbols>true</DebugSymbols> | ||
| <DebugType>full</DebugType> | ||
| <Optimize>false</Optimize> | ||
| <OutputPath>bin\Debug\</OutputPath> | ||
| <DefineConstants>DEBUG;TRACE</DefineConstants> | ||
| <ErrorReport>prompt</ErrorReport> | ||
| <WarningLevel>4</WarningLevel> | ||
| </PropertyGroup> | ||
| <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' "> | ||
| <DebugType>pdbonly</DebugType> | ||
| <Optimize>true</Optimize> | ||
| <OutputPath>bin\Release\</OutputPath> | ||
| <DefineConstants>TRACE</DefineConstants> | ||
| <ErrorReport>prompt</ErrorReport> | ||
| <WarningLevel>4</WarningLevel> | ||
| </PropertyGroup> | ||
| <ItemGroup> | ||
| <Reference Include="Mono.Security"> | ||
| <HintPath>..\packages\Npgsql.2.2.0-rc2\lib\net45\Mono.Security.dll</HintPath> | ||
| </Reference> | ||
| <Reference Include="Npgsql"> | ||
| <HintPath>..\packages\Npgsql.2.2.0-rc2\lib\net45\Npgsql.dll</HintPath> | ||
| </Reference> | ||
| <Reference Include="System" /> | ||
| <Reference Include="System.Configuration" /> | ||
| <Reference Include="System.Core" /> | ||
| <Reference Include="System.Xml.Linq" /> | ||
| <Reference Include="System.Data.DataSetExtensions" /> | ||
| <Reference Include="Microsoft.CSharp" /> | ||
| <Reference Include="System.Data" /> | ||
| <Reference Include="System.Xml" /> | ||
| </ItemGroup> | ||
| <ItemGroup> | ||
| <Compile Include="PostgreSqlEventStore.cs" /> | ||
| <Compile Include="Properties\AssemblyInfo.cs" /> | ||
| <Compile Include="SqlHelper.cs" /> | ||
| </ItemGroup> | ||
| <ItemGroup> | ||
| <ProjectReference Include="..\d60.Cirqus\d60.Cirqus.csproj"> | ||
| <Project>{8E2DF6B4-A4DF-495E-8D74-5DCE6B333FB4}</Project> | ||
| <Name>d60.Cirqus</Name> | ||
| </ProjectReference> | ||
| </ItemGroup> | ||
| <ItemGroup> | ||
| <None Include="packages.config" /> | ||
| </ItemGroup> | ||
| <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" /> | ||
| <Import Project="$(SolutionDir)\.nuget\NuGet.targets" Condition="Exists('$(SolutionDir)\.nuget\NuGet.targets')" /> | ||
| <Target Name="EnsureNuGetPackageBuildImports" BeforeTargets="PrepareForBuild"> | ||
| <PropertyGroup> | ||
| <ErrorText>This project references NuGet package(s) that are missing on this computer. Enable 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('$(SolutionDir)\.nuget\NuGet.targets')" Text="$([System.String]::Format('$(ErrorText)', '$(SolutionDir)\.nuget\NuGet.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. | ||
| <Target Name="BeforeBuild"> | ||
| </Target> | ||
| <Target Name="AfterBuild"> | ||
| </Target> | ||
| --> | ||
| </Project> |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,4 @@ | ||
| <?xml version="1.0" encoding="utf-8"?> | ||
| <packages> | ||
| <package id="Npgsql" version="2.2.0-rc2" targetFramework="net45" /> | ||
| </packages> |
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23 changes: 23 additions & 0 deletions
23
d60.Cirqus.Tests/Contracts/EventStore/Factories/PostgreSqlEventStoreFactory.cs
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,23 @@ | ||
| using d60.Cirqus.Events; | ||
| using d60.Cirqus.PostgreSql; | ||
| using d60.Cirqus.Tests.MsSql; | ||
|
|
||
| namespace d60.Cirqus.Tests.Contracts.EventStore.Factories | ||
| { | ||
| public class PostgreSqlEventStoreFactory : IEventStoreFactory | ||
| { | ||
| readonly PostgreSqlEventStore _eventStore; | ||
|
|
||
| public PostgreSqlEventStoreFactory() | ||
| { | ||
| var connectionString = TestSqlHelper.PostgreSqlConnectionString; | ||
|
|
||
| _eventStore = new PostgreSqlEventStore(connectionString, "Events"); | ||
| } | ||
|
|
||
| public IEventStore GetEventStore() | ||
| { | ||
| return _eventStore; | ||
| } | ||
| } | ||
| } |
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