diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..fe0c225
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,236 @@
+## Ignore Visual Studio temporary files, build results, and
+## files generated by popular Visual Studio add-ons.
+
+# User-specific files
+*.suo
+*.user
+*.userosscache
+*.sln.docstates
+
+# User-specific files (MonoDevelop/Xamarin Studio)
+*.userprefs
+
+# Build results
+[Dd]ebug/
+[Dd]ebugPublic/
+[Rr]elease/
+[Rr]eleases/
+x64/
+x86/
+build/
+bld/
+bin/
+Bin/
+obj/
+Obj/
+
+# Visual Studio 2015 cache/options directory
+.vs/
+
+# Jetbrains Rider cache/options directory
+.idea/
+
+# MSTest test Results
+[Tt]est[Rr]esult*/
+[Bb]uild[Ll]og.*
+
+# NUNIT
+*.VisualState.xml
+TestResult.xml
+
+# Build Results of an ATL Project
+[Dd]ebugPS/
+[Rr]eleasePS/
+dlldata.c
+
+*_i.c
+*_p.c
+*_i.h
+*.ilk
+*.meta
+*.obj
+*.pch
+*.pdb
+*.pgc
+*.pgd
+*.rsp
+*.sbr
+*.tlb
+*.tli
+*.tlh
+*.tmp
+*.tmp_proj
+*.log
+*.vspscc
+*.vssscc
+.builds
+*.pidb
+*.svclog
+*.scc
+
+# Chutzpah Test files
+_Chutzpah*
+
+# Visual C++ cache files
+ipch/
+*.aps
+*.ncb
+*.opendb
+*.opensdf
+*.sdf
+*.cachefile
+
+# Visual Studio profiler
+*.psess
+*.vsp
+*.vspx
+*.sap
+
+# TFS 2012 Local Workspace
+$tf/
+
+# Guidance Automation Toolkit
+*.gpState
+
+# ReSharper is a .NET coding add-in
+_ReSharper*/
+*.[Rr]e[Ss]harper
+*.DotSettings.user
+
+# JustCode is a .NET coding add-in
+.JustCode
+
+# TeamCity is a build add-in
+_TeamCity*
+
+# DotCover is a Code Coverage Tool
+*.dotCover
+
+# NCrunch
+_NCrunch_*
+.*crunch*.local.xml
+nCrunchTemp_*
+
+# MightyMoose
+*.mm.*
+AutoTest.Net/
+
+# Web workbench (sass)
+.sass-cache/
+
+# Installshield output folder
+[Ee]xpress/
+
+# DocProject is a documentation generator add-in
+DocProject/buildhelp/
+DocProject/Help/*.HxT
+DocProject/Help/*.HxC
+DocProject/Help/*.hhc
+DocProject/Help/*.hhk
+DocProject/Help/*.hhp
+DocProject/Help/Html2
+DocProject/Help/html
+
+# Click-Once directory
+publish/
+
+# Publish Web Output
+*.[Pp]ublish.xml
+*.azurePubxml
+# TODO: Comment the next line if you want to checkin your web deploy settings
+# but database connection strings (with potential passwords) will be unencrypted
+*.pubxml
+*.publishproj
+
+# NuGet Packages
+*.nupkg
+# The packages folder can be ignored because of Package Restore
+**/packages/*
+# except build/, which is used as an MSBuild target.
+!**/packages/build/
+# Uncomment if necessary however generally it will be regenerated when needed
+#!**/packages/repositories.config
+
+# Microsoft Azure Build Output
+csx/
+*.build.csdef
+
+# Microsoft Azure Emulator
+ecf/
+rcf/
+
+# Microsoft Azure ApplicationInsights config file
+ApplicationInsights.config
+
+# Windows Store app package directory
+AppPackages/
+BundleArtifacts/
+
+# Visual Studio cache files
+# files ending in .cache can be ignored
+*.[Cc]ache
+# but keep track of directories ending in .cache
+!*.[Cc]ache/
+
+# Others
+ClientBin/
+~$*
+*~
+*.dbmdl
+*.dbproj.schemaview
+*.pfx
+*.publishsettings
+orleans.codegen.cs
+
+/node_modules
+
+# RIA/Silverlight projects
+Generated_Code/
+
+# Backup & report files from converting an old project file
+# to a newer Visual Studio version. Backup files are not needed,
+# because we have git ;-)
+_UpgradeReport_Files/
+Backup*/
+UpgradeLog*.XML
+UpgradeLog*.htm
+
+# SQL Server files
+*.mdf
+*.ldf
+
+# Business Intelligence projects
+*.rdl.data
+*.bim.layout
+*.bim_*.settings
+
+# Microsoft Fakes
+FakesAssemblies/
+
+# GhostDoc plugin setting file
+*.GhostDoc.xml
+
+# Node.js Tools for Visual Studio
+.ntvs_analysis.dat
+
+# Visual Studio 6 build log
+*.plg
+
+# Visual Studio 6 workspace options file
+*.opt
+
+# Visual Studio LightSwitch build output
+**/*.HTMLClient/GeneratedArtifacts
+**/*.DesktopClient/GeneratedArtifacts
+**/*.DesktopClient/ModelManifest.xml
+**/*.Server/GeneratedArtifacts
+**/*.Server/ModelManifest.xml
+_Pvt_Extensions
+
+# Paket dependency manager
+.paket/paket.exe
+
+# FAKE - F# Make
+.fake/
+/NDependOut
+/CleanArchitecture.ndproj
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..fe0c225
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,236 @@
+## Ignore Visual Studio temporary files, build results, and
+## files generated by popular Visual Studio add-ons.
+
+# User-specific files
+*.suo
+*.user
+*.userosscache
+*.sln.docstates
+
+# User-specific files (MonoDevelop/Xamarin Studio)
+*.userprefs
+
+# Build results
+[Dd]ebug/
+[Dd]ebugPublic/
+[Rr]elease/
+[Rr]eleases/
+x64/
+x86/
+build/
+bld/
+bin/
+Bin/
+obj/
+Obj/
+
+# Visual Studio 2015 cache/options directory
+.vs/
+
+# Jetbrains Rider cache/options directory
+.idea/
+
+# MSTest test Results
+[Tt]est[Rr]esult*/
+[Bb]uild[Ll]og.*
+
+# NUNIT
+*.VisualState.xml
+TestResult.xml
+
+# Build Results of an ATL Project
+[Dd]ebugPS/
+[Rr]eleasePS/
+dlldata.c
+
+*_i.c
+*_p.c
+*_i.h
+*.ilk
+*.meta
+*.obj
+*.pch
+*.pdb
+*.pgc
+*.pgd
+*.rsp
+*.sbr
+*.tlb
+*.tli
+*.tlh
+*.tmp
+*.tmp_proj
+*.log
+*.vspscc
+*.vssscc
+.builds
+*.pidb
+*.svclog
+*.scc
+
+# Chutzpah Test files
+_Chutzpah*
+
+# Visual C++ cache files
+ipch/
+*.aps
+*.ncb
+*.opendb
+*.opensdf
+*.sdf
+*.cachefile
+
+# Visual Studio profiler
+*.psess
+*.vsp
+*.vspx
+*.sap
+
+# TFS 2012 Local Workspace
+$tf/
+
+# Guidance Automation Toolkit
+*.gpState
+
+# ReSharper is a .NET coding add-in
+_ReSharper*/
+*.[Rr]e[Ss]harper
+*.DotSettings.user
+
+# JustCode is a .NET coding add-in
+.JustCode
+
+# TeamCity is a build add-in
+_TeamCity*
+
+# DotCover is a Code Coverage Tool
+*.dotCover
+
+# NCrunch
+_NCrunch_*
+.*crunch*.local.xml
+nCrunchTemp_*
+
+# MightyMoose
+*.mm.*
+AutoTest.Net/
+
+# Web workbench (sass)
+.sass-cache/
+
+# Installshield output folder
+[Ee]xpress/
+
+# DocProject is a documentation generator add-in
+DocProject/buildhelp/
+DocProject/Help/*.HxT
+DocProject/Help/*.HxC
+DocProject/Help/*.hhc
+DocProject/Help/*.hhk
+DocProject/Help/*.hhp
+DocProject/Help/Html2
+DocProject/Help/html
+
+# Click-Once directory
+publish/
+
+# Publish Web Output
+*.[Pp]ublish.xml
+*.azurePubxml
+# TODO: Comment the next line if you want to checkin your web deploy settings
+# but database connection strings (with potential passwords) will be unencrypted
+*.pubxml
+*.publishproj
+
+# NuGet Packages
+*.nupkg
+# The packages folder can be ignored because of Package Restore
+**/packages/*
+# except build/, which is used as an MSBuild target.
+!**/packages/build/
+# Uncomment if necessary however generally it will be regenerated when needed
+#!**/packages/repositories.config
+
+# Microsoft Azure Build Output
+csx/
+*.build.csdef
+
+# Microsoft Azure Emulator
+ecf/
+rcf/
+
+# Microsoft Azure ApplicationInsights config file
+ApplicationInsights.config
+
+# Windows Store app package directory
+AppPackages/
+BundleArtifacts/
+
+# Visual Studio cache files
+# files ending in .cache can be ignored
+*.[Cc]ache
+# but keep track of directories ending in .cache
+!*.[Cc]ache/
+
+# Others
+ClientBin/
+~$*
+*~
+*.dbmdl
+*.dbproj.schemaview
+*.pfx
+*.publishsettings
+orleans.codegen.cs
+
+/node_modules
+
+# RIA/Silverlight projects
+Generated_Code/
+
+# Backup & report files from converting an old project file
+# to a newer Visual Studio version. Backup files are not needed,
+# because we have git ;-)
+_UpgradeReport_Files/
+Backup*/
+UpgradeLog*.XML
+UpgradeLog*.htm
+
+# SQL Server files
+*.mdf
+*.ldf
+
+# Business Intelligence projects
+*.rdl.data
+*.bim.layout
+*.bim_*.settings
+
+# Microsoft Fakes
+FakesAssemblies/
+
+# GhostDoc plugin setting file
+*.GhostDoc.xml
+
+# Node.js Tools for Visual Studio
+.ntvs_analysis.dat
+
+# Visual Studio 6 build log
+*.plg
+
+# Visual Studio 6 workspace options file
+*.opt
+
+# Visual Studio LightSwitch build output
+**/*.HTMLClient/GeneratedArtifacts
+**/*.DesktopClient/GeneratedArtifacts
+**/*.DesktopClient/ModelManifest.xml
+**/*.Server/GeneratedArtifacts
+**/*.Server/ModelManifest.xml
+_Pvt_Extensions
+
+# Paket dependency manager
+.paket/paket.exe
+
+# FAKE - F# Make
+.fake/
+/NDependOut
+/CleanArchitecture.ndproj
diff --git a/MultiTenant.csproj b/MultiTenant.csproj
new file mode 100644
index 0000000..18bcf40
--- /dev/null
+++ b/MultiTenant.csproj
@@ -0,0 +1,14 @@
+
+
+
+ Exe
+ net5.0
+
+
+
+
+
+
+
+
+
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..fe0c225
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,236 @@
+## Ignore Visual Studio temporary files, build results, and
+## files generated by popular Visual Studio add-ons.
+
+# User-specific files
+*.suo
+*.user
+*.userosscache
+*.sln.docstates
+
+# User-specific files (MonoDevelop/Xamarin Studio)
+*.userprefs
+
+# Build results
+[Dd]ebug/
+[Dd]ebugPublic/
+[Rr]elease/
+[Rr]eleases/
+x64/
+x86/
+build/
+bld/
+bin/
+Bin/
+obj/
+Obj/
+
+# Visual Studio 2015 cache/options directory
+.vs/
+
+# Jetbrains Rider cache/options directory
+.idea/
+
+# MSTest test Results
+[Tt]est[Rr]esult*/
+[Bb]uild[Ll]og.*
+
+# NUNIT
+*.VisualState.xml
+TestResult.xml
+
+# Build Results of an ATL Project
+[Dd]ebugPS/
+[Rr]eleasePS/
+dlldata.c
+
+*_i.c
+*_p.c
+*_i.h
+*.ilk
+*.meta
+*.obj
+*.pch
+*.pdb
+*.pgc
+*.pgd
+*.rsp
+*.sbr
+*.tlb
+*.tli
+*.tlh
+*.tmp
+*.tmp_proj
+*.log
+*.vspscc
+*.vssscc
+.builds
+*.pidb
+*.svclog
+*.scc
+
+# Chutzpah Test files
+_Chutzpah*
+
+# Visual C++ cache files
+ipch/
+*.aps
+*.ncb
+*.opendb
+*.opensdf
+*.sdf
+*.cachefile
+
+# Visual Studio profiler
+*.psess
+*.vsp
+*.vspx
+*.sap
+
+# TFS 2012 Local Workspace
+$tf/
+
+# Guidance Automation Toolkit
+*.gpState
+
+# ReSharper is a .NET coding add-in
+_ReSharper*/
+*.[Rr]e[Ss]harper
+*.DotSettings.user
+
+# JustCode is a .NET coding add-in
+.JustCode
+
+# TeamCity is a build add-in
+_TeamCity*
+
+# DotCover is a Code Coverage Tool
+*.dotCover
+
+# NCrunch
+_NCrunch_*
+.*crunch*.local.xml
+nCrunchTemp_*
+
+# MightyMoose
+*.mm.*
+AutoTest.Net/
+
+# Web workbench (sass)
+.sass-cache/
+
+# Installshield output folder
+[Ee]xpress/
+
+# DocProject is a documentation generator add-in
+DocProject/buildhelp/
+DocProject/Help/*.HxT
+DocProject/Help/*.HxC
+DocProject/Help/*.hhc
+DocProject/Help/*.hhk
+DocProject/Help/*.hhp
+DocProject/Help/Html2
+DocProject/Help/html
+
+# Click-Once directory
+publish/
+
+# Publish Web Output
+*.[Pp]ublish.xml
+*.azurePubxml
+# TODO: Comment the next line if you want to checkin your web deploy settings
+# but database connection strings (with potential passwords) will be unencrypted
+*.pubxml
+*.publishproj
+
+# NuGet Packages
+*.nupkg
+# The packages folder can be ignored because of Package Restore
+**/packages/*
+# except build/, which is used as an MSBuild target.
+!**/packages/build/
+# Uncomment if necessary however generally it will be regenerated when needed
+#!**/packages/repositories.config
+
+# Microsoft Azure Build Output
+csx/
+*.build.csdef
+
+# Microsoft Azure Emulator
+ecf/
+rcf/
+
+# Microsoft Azure ApplicationInsights config file
+ApplicationInsights.config
+
+# Windows Store app package directory
+AppPackages/
+BundleArtifacts/
+
+# Visual Studio cache files
+# files ending in .cache can be ignored
+*.[Cc]ache
+# but keep track of directories ending in .cache
+!*.[Cc]ache/
+
+# Others
+ClientBin/
+~$*
+*~
+*.dbmdl
+*.dbproj.schemaview
+*.pfx
+*.publishsettings
+orleans.codegen.cs
+
+/node_modules
+
+# RIA/Silverlight projects
+Generated_Code/
+
+# Backup & report files from converting an old project file
+# to a newer Visual Studio version. Backup files are not needed,
+# because we have git ;-)
+_UpgradeReport_Files/
+Backup*/
+UpgradeLog*.XML
+UpgradeLog*.htm
+
+# SQL Server files
+*.mdf
+*.ldf
+
+# Business Intelligence projects
+*.rdl.data
+*.bim.layout
+*.bim_*.settings
+
+# Microsoft Fakes
+FakesAssemblies/
+
+# GhostDoc plugin setting file
+*.GhostDoc.xml
+
+# Node.js Tools for Visual Studio
+.ntvs_analysis.dat
+
+# Visual Studio 6 build log
+*.plg
+
+# Visual Studio 6 workspace options file
+*.opt
+
+# Visual Studio LightSwitch build output
+**/*.HTMLClient/GeneratedArtifacts
+**/*.DesktopClient/GeneratedArtifacts
+**/*.DesktopClient/ModelManifest.xml
+**/*.Server/GeneratedArtifacts
+**/*.Server/ModelManifest.xml
+_Pvt_Extensions
+
+# Paket dependency manager
+.paket/paket.exe
+
+# FAKE - F# Make
+.fake/
+/NDependOut
+/CleanArchitecture.ndproj
diff --git a/MultiTenant.csproj b/MultiTenant.csproj
new file mode 100644
index 0000000..18bcf40
--- /dev/null
+++ b/MultiTenant.csproj
@@ -0,0 +1,14 @@
+
+
+
+ Exe
+ net5.0
+
+
+
+
+
+
+
+
+
diff --git a/Order.cs b/Order.cs
new file mode 100644
index 0000000..4e41f0f
--- /dev/null
+++ b/Order.cs
@@ -0,0 +1,42 @@
+using System;
+using Microsoft.EntityFrameworkCore;
+
+namespace MultiTenant
+{
+ public class Order
+ {
+ public Guid OrderId { get; set; }
+ public Guid TenantId { get; set; }
+ }
+
+ public class OrderDbContext : DbContext
+ {
+ private readonly Token _token;
+
+ public DbSet Orders { get; set; }
+
+ public OrderDbContext(Token token)
+ {
+ _token = token;
+ }
+
+ protected override void OnModelCreating(ModelBuilder modelBuilder)
+ {
+ modelBuilder.Entity().HasKey(x => x.OrderId);
+ modelBuilder.Entity().HasQueryFilter(b => b.TenantId == _token.TenantId);
+ }
+
+ protected override void OnConfiguring(DbContextOptionsBuilder optionsBuilder)
+ {
+ optionsBuilder.UseInMemoryDatabase("MultiTenant");
+ }
+
+ public delegate OrderDbContext TenantFactory(Token token);
+
+ public static OrderDbContext Factory(Token token)
+ {
+ return new OrderDbContext(token);
+ }
+
+ }
+}
\ No newline at end of file
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..fe0c225
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,236 @@
+## Ignore Visual Studio temporary files, build results, and
+## files generated by popular Visual Studio add-ons.
+
+# User-specific files
+*.suo
+*.user
+*.userosscache
+*.sln.docstates
+
+# User-specific files (MonoDevelop/Xamarin Studio)
+*.userprefs
+
+# Build results
+[Dd]ebug/
+[Dd]ebugPublic/
+[Rr]elease/
+[Rr]eleases/
+x64/
+x86/
+build/
+bld/
+bin/
+Bin/
+obj/
+Obj/
+
+# Visual Studio 2015 cache/options directory
+.vs/
+
+# Jetbrains Rider cache/options directory
+.idea/
+
+# MSTest test Results
+[Tt]est[Rr]esult*/
+[Bb]uild[Ll]og.*
+
+# NUNIT
+*.VisualState.xml
+TestResult.xml
+
+# Build Results of an ATL Project
+[Dd]ebugPS/
+[Rr]eleasePS/
+dlldata.c
+
+*_i.c
+*_p.c
+*_i.h
+*.ilk
+*.meta
+*.obj
+*.pch
+*.pdb
+*.pgc
+*.pgd
+*.rsp
+*.sbr
+*.tlb
+*.tli
+*.tlh
+*.tmp
+*.tmp_proj
+*.log
+*.vspscc
+*.vssscc
+.builds
+*.pidb
+*.svclog
+*.scc
+
+# Chutzpah Test files
+_Chutzpah*
+
+# Visual C++ cache files
+ipch/
+*.aps
+*.ncb
+*.opendb
+*.opensdf
+*.sdf
+*.cachefile
+
+# Visual Studio profiler
+*.psess
+*.vsp
+*.vspx
+*.sap
+
+# TFS 2012 Local Workspace
+$tf/
+
+# Guidance Automation Toolkit
+*.gpState
+
+# ReSharper is a .NET coding add-in
+_ReSharper*/
+*.[Rr]e[Ss]harper
+*.DotSettings.user
+
+# JustCode is a .NET coding add-in
+.JustCode
+
+# TeamCity is a build add-in
+_TeamCity*
+
+# DotCover is a Code Coverage Tool
+*.dotCover
+
+# NCrunch
+_NCrunch_*
+.*crunch*.local.xml
+nCrunchTemp_*
+
+# MightyMoose
+*.mm.*
+AutoTest.Net/
+
+# Web workbench (sass)
+.sass-cache/
+
+# Installshield output folder
+[Ee]xpress/
+
+# DocProject is a documentation generator add-in
+DocProject/buildhelp/
+DocProject/Help/*.HxT
+DocProject/Help/*.HxC
+DocProject/Help/*.hhc
+DocProject/Help/*.hhk
+DocProject/Help/*.hhp
+DocProject/Help/Html2
+DocProject/Help/html
+
+# Click-Once directory
+publish/
+
+# Publish Web Output
+*.[Pp]ublish.xml
+*.azurePubxml
+# TODO: Comment the next line if you want to checkin your web deploy settings
+# but database connection strings (with potential passwords) will be unencrypted
+*.pubxml
+*.publishproj
+
+# NuGet Packages
+*.nupkg
+# The packages folder can be ignored because of Package Restore
+**/packages/*
+# except build/, which is used as an MSBuild target.
+!**/packages/build/
+# Uncomment if necessary however generally it will be regenerated when needed
+#!**/packages/repositories.config
+
+# Microsoft Azure Build Output
+csx/
+*.build.csdef
+
+# Microsoft Azure Emulator
+ecf/
+rcf/
+
+# Microsoft Azure ApplicationInsights config file
+ApplicationInsights.config
+
+# Windows Store app package directory
+AppPackages/
+BundleArtifacts/
+
+# Visual Studio cache files
+# files ending in .cache can be ignored
+*.[Cc]ache
+# but keep track of directories ending in .cache
+!*.[Cc]ache/
+
+# Others
+ClientBin/
+~$*
+*~
+*.dbmdl
+*.dbproj.schemaview
+*.pfx
+*.publishsettings
+orleans.codegen.cs
+
+/node_modules
+
+# RIA/Silverlight projects
+Generated_Code/
+
+# Backup & report files from converting an old project file
+# to a newer Visual Studio version. Backup files are not needed,
+# because we have git ;-)
+_UpgradeReport_Files/
+Backup*/
+UpgradeLog*.XML
+UpgradeLog*.htm
+
+# SQL Server files
+*.mdf
+*.ldf
+
+# Business Intelligence projects
+*.rdl.data
+*.bim.layout
+*.bim_*.settings
+
+# Microsoft Fakes
+FakesAssemblies/
+
+# GhostDoc plugin setting file
+*.GhostDoc.xml
+
+# Node.js Tools for Visual Studio
+.ntvs_analysis.dat
+
+# Visual Studio 6 build log
+*.plg
+
+# Visual Studio 6 workspace options file
+*.opt
+
+# Visual Studio LightSwitch build output
+**/*.HTMLClient/GeneratedArtifacts
+**/*.DesktopClient/GeneratedArtifacts
+**/*.DesktopClient/ModelManifest.xml
+**/*.Server/GeneratedArtifacts
+**/*.Server/ModelManifest.xml
+_Pvt_Extensions
+
+# Paket dependency manager
+.paket/paket.exe
+
+# FAKE - F# Make
+.fake/
+/NDependOut
+/CleanArchitecture.ndproj
diff --git a/MultiTenant.csproj b/MultiTenant.csproj
new file mode 100644
index 0000000..18bcf40
--- /dev/null
+++ b/MultiTenant.csproj
@@ -0,0 +1,14 @@
+
+
+
+ Exe
+ net5.0
+
+
+
+
+
+
+
+
+
diff --git a/Order.cs b/Order.cs
new file mode 100644
index 0000000..4e41f0f
--- /dev/null
+++ b/Order.cs
@@ -0,0 +1,42 @@
+using System;
+using Microsoft.EntityFrameworkCore;
+
+namespace MultiTenant
+{
+ public class Order
+ {
+ public Guid OrderId { get; set; }
+ public Guid TenantId { get; set; }
+ }
+
+ public class OrderDbContext : DbContext
+ {
+ private readonly Token _token;
+
+ public DbSet Orders { get; set; }
+
+ public OrderDbContext(Token token)
+ {
+ _token = token;
+ }
+
+ protected override void OnModelCreating(ModelBuilder modelBuilder)
+ {
+ modelBuilder.Entity().HasKey(x => x.OrderId);
+ modelBuilder.Entity().HasQueryFilter(b => b.TenantId == _token.TenantId);
+ }
+
+ protected override void OnConfiguring(DbContextOptionsBuilder optionsBuilder)
+ {
+ optionsBuilder.UseInMemoryDatabase("MultiTenant");
+ }
+
+ public delegate OrderDbContext TenantFactory(Token token);
+
+ public static OrderDbContext Factory(Token token)
+ {
+ return new OrderDbContext(token);
+ }
+
+ }
+}
\ No newline at end of file
diff --git a/Program.cs b/Program.cs
new file mode 100644
index 0000000..d9f0193
--- /dev/null
+++ b/Program.cs
@@ -0,0 +1,19 @@
+using System;
+using System.Threading.Tasks;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.Extensions.DependencyInjection;
+using Xunit;
+
+namespace MultiTenant
+{
+ class Program
+ {
+ static async Task Main(string[] args)
+ {
+
+ }
+ }
+
+
+
+}
\ No newline at end of file
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..fe0c225
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,236 @@
+## Ignore Visual Studio temporary files, build results, and
+## files generated by popular Visual Studio add-ons.
+
+# User-specific files
+*.suo
+*.user
+*.userosscache
+*.sln.docstates
+
+# User-specific files (MonoDevelop/Xamarin Studio)
+*.userprefs
+
+# Build results
+[Dd]ebug/
+[Dd]ebugPublic/
+[Rr]elease/
+[Rr]eleases/
+x64/
+x86/
+build/
+bld/
+bin/
+Bin/
+obj/
+Obj/
+
+# Visual Studio 2015 cache/options directory
+.vs/
+
+# Jetbrains Rider cache/options directory
+.idea/
+
+# MSTest test Results
+[Tt]est[Rr]esult*/
+[Bb]uild[Ll]og.*
+
+# NUNIT
+*.VisualState.xml
+TestResult.xml
+
+# Build Results of an ATL Project
+[Dd]ebugPS/
+[Rr]eleasePS/
+dlldata.c
+
+*_i.c
+*_p.c
+*_i.h
+*.ilk
+*.meta
+*.obj
+*.pch
+*.pdb
+*.pgc
+*.pgd
+*.rsp
+*.sbr
+*.tlb
+*.tli
+*.tlh
+*.tmp
+*.tmp_proj
+*.log
+*.vspscc
+*.vssscc
+.builds
+*.pidb
+*.svclog
+*.scc
+
+# Chutzpah Test files
+_Chutzpah*
+
+# Visual C++ cache files
+ipch/
+*.aps
+*.ncb
+*.opendb
+*.opensdf
+*.sdf
+*.cachefile
+
+# Visual Studio profiler
+*.psess
+*.vsp
+*.vspx
+*.sap
+
+# TFS 2012 Local Workspace
+$tf/
+
+# Guidance Automation Toolkit
+*.gpState
+
+# ReSharper is a .NET coding add-in
+_ReSharper*/
+*.[Rr]e[Ss]harper
+*.DotSettings.user
+
+# JustCode is a .NET coding add-in
+.JustCode
+
+# TeamCity is a build add-in
+_TeamCity*
+
+# DotCover is a Code Coverage Tool
+*.dotCover
+
+# NCrunch
+_NCrunch_*
+.*crunch*.local.xml
+nCrunchTemp_*
+
+# MightyMoose
+*.mm.*
+AutoTest.Net/
+
+# Web workbench (sass)
+.sass-cache/
+
+# Installshield output folder
+[Ee]xpress/
+
+# DocProject is a documentation generator add-in
+DocProject/buildhelp/
+DocProject/Help/*.HxT
+DocProject/Help/*.HxC
+DocProject/Help/*.hhc
+DocProject/Help/*.hhk
+DocProject/Help/*.hhp
+DocProject/Help/Html2
+DocProject/Help/html
+
+# Click-Once directory
+publish/
+
+# Publish Web Output
+*.[Pp]ublish.xml
+*.azurePubxml
+# TODO: Comment the next line if you want to checkin your web deploy settings
+# but database connection strings (with potential passwords) will be unencrypted
+*.pubxml
+*.publishproj
+
+# NuGet Packages
+*.nupkg
+# The packages folder can be ignored because of Package Restore
+**/packages/*
+# except build/, which is used as an MSBuild target.
+!**/packages/build/
+# Uncomment if necessary however generally it will be regenerated when needed
+#!**/packages/repositories.config
+
+# Microsoft Azure Build Output
+csx/
+*.build.csdef
+
+# Microsoft Azure Emulator
+ecf/
+rcf/
+
+# Microsoft Azure ApplicationInsights config file
+ApplicationInsights.config
+
+# Windows Store app package directory
+AppPackages/
+BundleArtifacts/
+
+# Visual Studio cache files
+# files ending in .cache can be ignored
+*.[Cc]ache
+# but keep track of directories ending in .cache
+!*.[Cc]ache/
+
+# Others
+ClientBin/
+~$*
+*~
+*.dbmdl
+*.dbproj.schemaview
+*.pfx
+*.publishsettings
+orleans.codegen.cs
+
+/node_modules
+
+# RIA/Silverlight projects
+Generated_Code/
+
+# Backup & report files from converting an old project file
+# to a newer Visual Studio version. Backup files are not needed,
+# because we have git ;-)
+_UpgradeReport_Files/
+Backup*/
+UpgradeLog*.XML
+UpgradeLog*.htm
+
+# SQL Server files
+*.mdf
+*.ldf
+
+# Business Intelligence projects
+*.rdl.data
+*.bim.layout
+*.bim_*.settings
+
+# Microsoft Fakes
+FakesAssemblies/
+
+# GhostDoc plugin setting file
+*.GhostDoc.xml
+
+# Node.js Tools for Visual Studio
+.ntvs_analysis.dat
+
+# Visual Studio 6 build log
+*.plg
+
+# Visual Studio 6 workspace options file
+*.opt
+
+# Visual Studio LightSwitch build output
+**/*.HTMLClient/GeneratedArtifacts
+**/*.DesktopClient/GeneratedArtifacts
+**/*.DesktopClient/ModelManifest.xml
+**/*.Server/GeneratedArtifacts
+**/*.Server/ModelManifest.xml
+_Pvt_Extensions
+
+# Paket dependency manager
+.paket/paket.exe
+
+# FAKE - F# Make
+.fake/
+/NDependOut
+/CleanArchitecture.ndproj
diff --git a/MultiTenant.csproj b/MultiTenant.csproj
new file mode 100644
index 0000000..18bcf40
--- /dev/null
+++ b/MultiTenant.csproj
@@ -0,0 +1,14 @@
+
+
+
+ Exe
+ net5.0
+
+
+
+
+
+
+
+
+
diff --git a/Order.cs b/Order.cs
new file mode 100644
index 0000000..4e41f0f
--- /dev/null
+++ b/Order.cs
@@ -0,0 +1,42 @@
+using System;
+using Microsoft.EntityFrameworkCore;
+
+namespace MultiTenant
+{
+ public class Order
+ {
+ public Guid OrderId { get; set; }
+ public Guid TenantId { get; set; }
+ }
+
+ public class OrderDbContext : DbContext
+ {
+ private readonly Token _token;
+
+ public DbSet Orders { get; set; }
+
+ public OrderDbContext(Token token)
+ {
+ _token = token;
+ }
+
+ protected override void OnModelCreating(ModelBuilder modelBuilder)
+ {
+ modelBuilder.Entity().HasKey(x => x.OrderId);
+ modelBuilder.Entity().HasQueryFilter(b => b.TenantId == _token.TenantId);
+ }
+
+ protected override void OnConfiguring(DbContextOptionsBuilder optionsBuilder)
+ {
+ optionsBuilder.UseInMemoryDatabase("MultiTenant");
+ }
+
+ public delegate OrderDbContext TenantFactory(Token token);
+
+ public static OrderDbContext Factory(Token token)
+ {
+ return new OrderDbContext(token);
+ }
+
+ }
+}
\ No newline at end of file
diff --git a/Program.cs b/Program.cs
new file mode 100644
index 0000000..d9f0193
--- /dev/null
+++ b/Program.cs
@@ -0,0 +1,19 @@
+using System;
+using System.Threading.Tasks;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.Extensions.DependencyInjection;
+using Xunit;
+
+namespace MultiTenant
+{
+ class Program
+ {
+ static async Task Main(string[] args)
+ {
+
+ }
+ }
+
+
+
+}
\ No newline at end of file
diff --git a/Test.cs b/Test.cs
new file mode 100644
index 0000000..01350ff
--- /dev/null
+++ b/Test.cs
@@ -0,0 +1,47 @@
+using System;
+using System.Threading.Tasks;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.Extensions.DependencyInjection;
+using Xunit;
+
+namespace MultiTenant
+{
+ public class Test
+ {
+ private readonly OrderDbContext.TenantFactory _factory;
+
+ public Test()
+ {
+ var sc = new ServiceCollection();
+ sc.AddSingleton(_ => OrderDbContext.Factory);
+ var provider = sc.BuildServiceProvider();
+ _factory = provider.GetRequiredService();
+ }
+
+ private async Task AddOrder(Token token)
+ {
+ await using var db = _factory(token);
+ db.Orders.Add(new Order
+ {
+ TenantId = token.TenantId,
+ OrderId = Guid.NewGuid()
+ });
+ await db.SaveChangesAsync();
+ }
+
+ [Fact]
+ public async Task TestFilter()
+ {
+ var tenant1 = new Token(Guid.NewGuid());
+ await AddOrder(tenant1);
+
+ var tenant2 = new Token(Guid.NewGuid());
+ await AddOrder(tenant2);
+ await AddOrder(tenant2);
+
+ await using var db = _factory(tenant1);
+ var tenant1Orders = await db.Orders.CountAsync();
+ Assert.Equal(1, tenant1Orders);
+ }
+ }
+}
\ No newline at end of file
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..fe0c225
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,236 @@
+## Ignore Visual Studio temporary files, build results, and
+## files generated by popular Visual Studio add-ons.
+
+# User-specific files
+*.suo
+*.user
+*.userosscache
+*.sln.docstates
+
+# User-specific files (MonoDevelop/Xamarin Studio)
+*.userprefs
+
+# Build results
+[Dd]ebug/
+[Dd]ebugPublic/
+[Rr]elease/
+[Rr]eleases/
+x64/
+x86/
+build/
+bld/
+bin/
+Bin/
+obj/
+Obj/
+
+# Visual Studio 2015 cache/options directory
+.vs/
+
+# Jetbrains Rider cache/options directory
+.idea/
+
+# MSTest test Results
+[Tt]est[Rr]esult*/
+[Bb]uild[Ll]og.*
+
+# NUNIT
+*.VisualState.xml
+TestResult.xml
+
+# Build Results of an ATL Project
+[Dd]ebugPS/
+[Rr]eleasePS/
+dlldata.c
+
+*_i.c
+*_p.c
+*_i.h
+*.ilk
+*.meta
+*.obj
+*.pch
+*.pdb
+*.pgc
+*.pgd
+*.rsp
+*.sbr
+*.tlb
+*.tli
+*.tlh
+*.tmp
+*.tmp_proj
+*.log
+*.vspscc
+*.vssscc
+.builds
+*.pidb
+*.svclog
+*.scc
+
+# Chutzpah Test files
+_Chutzpah*
+
+# Visual C++ cache files
+ipch/
+*.aps
+*.ncb
+*.opendb
+*.opensdf
+*.sdf
+*.cachefile
+
+# Visual Studio profiler
+*.psess
+*.vsp
+*.vspx
+*.sap
+
+# TFS 2012 Local Workspace
+$tf/
+
+# Guidance Automation Toolkit
+*.gpState
+
+# ReSharper is a .NET coding add-in
+_ReSharper*/
+*.[Rr]e[Ss]harper
+*.DotSettings.user
+
+# JustCode is a .NET coding add-in
+.JustCode
+
+# TeamCity is a build add-in
+_TeamCity*
+
+# DotCover is a Code Coverage Tool
+*.dotCover
+
+# NCrunch
+_NCrunch_*
+.*crunch*.local.xml
+nCrunchTemp_*
+
+# MightyMoose
+*.mm.*
+AutoTest.Net/
+
+# Web workbench (sass)
+.sass-cache/
+
+# Installshield output folder
+[Ee]xpress/
+
+# DocProject is a documentation generator add-in
+DocProject/buildhelp/
+DocProject/Help/*.HxT
+DocProject/Help/*.HxC
+DocProject/Help/*.hhc
+DocProject/Help/*.hhk
+DocProject/Help/*.hhp
+DocProject/Help/Html2
+DocProject/Help/html
+
+# Click-Once directory
+publish/
+
+# Publish Web Output
+*.[Pp]ublish.xml
+*.azurePubxml
+# TODO: Comment the next line if you want to checkin your web deploy settings
+# but database connection strings (with potential passwords) will be unencrypted
+*.pubxml
+*.publishproj
+
+# NuGet Packages
+*.nupkg
+# The packages folder can be ignored because of Package Restore
+**/packages/*
+# except build/, which is used as an MSBuild target.
+!**/packages/build/
+# Uncomment if necessary however generally it will be regenerated when needed
+#!**/packages/repositories.config
+
+# Microsoft Azure Build Output
+csx/
+*.build.csdef
+
+# Microsoft Azure Emulator
+ecf/
+rcf/
+
+# Microsoft Azure ApplicationInsights config file
+ApplicationInsights.config
+
+# Windows Store app package directory
+AppPackages/
+BundleArtifacts/
+
+# Visual Studio cache files
+# files ending in .cache can be ignored
+*.[Cc]ache
+# but keep track of directories ending in .cache
+!*.[Cc]ache/
+
+# Others
+ClientBin/
+~$*
+*~
+*.dbmdl
+*.dbproj.schemaview
+*.pfx
+*.publishsettings
+orleans.codegen.cs
+
+/node_modules
+
+# RIA/Silverlight projects
+Generated_Code/
+
+# Backup & report files from converting an old project file
+# to a newer Visual Studio version. Backup files are not needed,
+# because we have git ;-)
+_UpgradeReport_Files/
+Backup*/
+UpgradeLog*.XML
+UpgradeLog*.htm
+
+# SQL Server files
+*.mdf
+*.ldf
+
+# Business Intelligence projects
+*.rdl.data
+*.bim.layout
+*.bim_*.settings
+
+# Microsoft Fakes
+FakesAssemblies/
+
+# GhostDoc plugin setting file
+*.GhostDoc.xml
+
+# Node.js Tools for Visual Studio
+.ntvs_analysis.dat
+
+# Visual Studio 6 build log
+*.plg
+
+# Visual Studio 6 workspace options file
+*.opt
+
+# Visual Studio LightSwitch build output
+**/*.HTMLClient/GeneratedArtifacts
+**/*.DesktopClient/GeneratedArtifacts
+**/*.DesktopClient/ModelManifest.xml
+**/*.Server/GeneratedArtifacts
+**/*.Server/ModelManifest.xml
+_Pvt_Extensions
+
+# Paket dependency manager
+.paket/paket.exe
+
+# FAKE - F# Make
+.fake/
+/NDependOut
+/CleanArchitecture.ndproj
diff --git a/MultiTenant.csproj b/MultiTenant.csproj
new file mode 100644
index 0000000..18bcf40
--- /dev/null
+++ b/MultiTenant.csproj
@@ -0,0 +1,14 @@
+
+
+
+ Exe
+ net5.0
+
+
+
+
+
+
+
+
+
diff --git a/Order.cs b/Order.cs
new file mode 100644
index 0000000..4e41f0f
--- /dev/null
+++ b/Order.cs
@@ -0,0 +1,42 @@
+using System;
+using Microsoft.EntityFrameworkCore;
+
+namespace MultiTenant
+{
+ public class Order
+ {
+ public Guid OrderId { get; set; }
+ public Guid TenantId { get; set; }
+ }
+
+ public class OrderDbContext : DbContext
+ {
+ private readonly Token _token;
+
+ public DbSet Orders { get; set; }
+
+ public OrderDbContext(Token token)
+ {
+ _token = token;
+ }
+
+ protected override void OnModelCreating(ModelBuilder modelBuilder)
+ {
+ modelBuilder.Entity().HasKey(x => x.OrderId);
+ modelBuilder.Entity().HasQueryFilter(b => b.TenantId == _token.TenantId);
+ }
+
+ protected override void OnConfiguring(DbContextOptionsBuilder optionsBuilder)
+ {
+ optionsBuilder.UseInMemoryDatabase("MultiTenant");
+ }
+
+ public delegate OrderDbContext TenantFactory(Token token);
+
+ public static OrderDbContext Factory(Token token)
+ {
+ return new OrderDbContext(token);
+ }
+
+ }
+}
\ No newline at end of file
diff --git a/Program.cs b/Program.cs
new file mode 100644
index 0000000..d9f0193
--- /dev/null
+++ b/Program.cs
@@ -0,0 +1,19 @@
+using System;
+using System.Threading.Tasks;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.Extensions.DependencyInjection;
+using Xunit;
+
+namespace MultiTenant
+{
+ class Program
+ {
+ static async Task Main(string[] args)
+ {
+
+ }
+ }
+
+
+
+}
\ No newline at end of file
diff --git a/Test.cs b/Test.cs
new file mode 100644
index 0000000..01350ff
--- /dev/null
+++ b/Test.cs
@@ -0,0 +1,47 @@
+using System;
+using System.Threading.Tasks;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.Extensions.DependencyInjection;
+using Xunit;
+
+namespace MultiTenant
+{
+ public class Test
+ {
+ private readonly OrderDbContext.TenantFactory _factory;
+
+ public Test()
+ {
+ var sc = new ServiceCollection();
+ sc.AddSingleton(_ => OrderDbContext.Factory);
+ var provider = sc.BuildServiceProvider();
+ _factory = provider.GetRequiredService();
+ }
+
+ private async Task AddOrder(Token token)
+ {
+ await using var db = _factory(token);
+ db.Orders.Add(new Order
+ {
+ TenantId = token.TenantId,
+ OrderId = Guid.NewGuid()
+ });
+ await db.SaveChangesAsync();
+ }
+
+ [Fact]
+ public async Task TestFilter()
+ {
+ var tenant1 = new Token(Guid.NewGuid());
+ await AddOrder(tenant1);
+
+ var tenant2 = new Token(Guid.NewGuid());
+ await AddOrder(tenant2);
+ await AddOrder(tenant2);
+
+ await using var db = _factory(tenant1);
+ var tenant1Orders = await db.Orders.CountAsync();
+ Assert.Equal(1, tenant1Orders);
+ }
+ }
+}
\ No newline at end of file
diff --git a/Token.cs b/Token.cs
new file mode 100644
index 0000000..147f6c1
--- /dev/null
+++ b/Token.cs
@@ -0,0 +1,6 @@
+using System;
+
+namespace MultiTenant
+{
+ public record Token(Guid TenantId);
+}
\ No newline at end of file