Framework Setup

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#pragma warning disable 1591
namespace Example
{
public interface IService { }
public class MyService : IService
{
public MyService(IDependencyA a, DependencyB<string> b, RuntimeDependencyC c) { }
}
public interface IDependencyA { }
public class DependencyA : IDependencyA { }
public class DependencyB<T>
{
}
public class RuntimeDependencyC
{
}
}
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<#
// TODO:
// 1. Fill-in method `GetContainerWithRegistrations` below with creation of DryIoc `Container` and registrations.
// 2. Specify the resolution roots via `SpecifyResolutionRoots` method, see example below.
// 3. Save the "Container.Generated.tt" file. Confirm the Visual Studio prompt if any.
// 4. Check the "Container.Generated.cs" for the generated results and issues.
//
// Note:
// - When specifying assembly path, you may use $(SolutionDir), $(ProjectDir), $(Configuration) parameters.
//
#>
<#@ import Namespace="DryIoc" #>
<#@ import Namespace="ImTools" #>
<#// TODO: Insert the assemblies and namespaces of your services to be registered in container #>
<#@ import Namespace="Example" #>
<#+
// TODO: Specify the container and registrations ...
IContainer GetContainerWithRegistrations()
{
var container = new Container();
// NOTE: `RegisterDelegate`, `RegisterInstance` and `Use` methods are not supported because of runtime state usage.
// Instead you can use `RegisterPlaceholder` to put a hole in the generated object graph, then you fill it in with the runtime registration.
// TODO: Add the registrations to generate factories for them in compile-time...
// for example:
container.Register<IService, MyService>();
container.Register<IDependencyA, DependencyA>();
container.Register(typeof(DependencyB<>));
container.RegisterPlaceholder<RuntimeDependencyC>();
// or from the assembly:
// container.RegisterMany(new[] { MyAssembly });
return container;
}
// TODO: For each passed registration specify what resolution roots it provides, null if none
ServiceInfo[] SpecifyResolutionRoots(ServiceRegistrationInfo reg)
{
return reg.AsResolutionRoot ? reg.ToServiceInfo().One() : null;
}
// TODO: Explicitly specified roots to generate ...
ServiceInfo[] CustomResolutionRoots =
{
// for example:
ServiceInfo.Of<Example.IService>(),
};
// TODO: Specify the namespace to go into `using` instead of qualify the type all the times,
// You may generate the Container.Generated.cs first, then look what you want to move to using
string[] NamespaceUsings =
{
"Example",
//"Foo.Bar.Buzz",
};
#>
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// <auto-generated/>
#if !PCL && !NETSTANDARD1_0 && !NETSTANDARD1_1 && !NETSTANDARD1_2 && !NETSTANDARD1_3 && !NETSTANDARD1_4 && !NETSTANDARD1_5
/*
The MIT License (MIT)
Copyright (c) 2016-2020 Maksim Volkau
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
*/
<#@ template debug="false" hostspecific="true" language="C#" #>
<#@ output extension=".cs" #>
<#@ CleanupBehavior processor="T4VSHost" CleanupAfterProcessingtemplate="true" #>
<#@ assembly Name="System.Core" #>
<#@ assembly Name="System.Runtime" #>
<#@ assembly Name="$(ExpressionToCodeLibAssembly)" #>
<#@ assembly Name="$(TargetPath)" #>
<#@ import Namespace="ExpressionToCodeLib" #>
<#@ import Namespace="System.Linq" #>
<#@ import Namespace="System.Linq.Expressions" #>
<#@ import Namespace="DryIoc" #>
<#@ import Namespace="ImTools" #>
<#@ include File="CompileTimeRegistrations.ttinclude" #>
<#
var container = GetContainerWithRegistrations().With(rules => rules.ForExpressionGeneration());
var includeVariants = container.Rules.VariantGenericTypesInResolvedCollection;
var result = container.GenerateResolutionExpressions(x => x.SelectMany(r =>
SpecifyResolutionRoots(r).EmptyIfNull()).Concat(CustomResolutionRoots.EmptyIfNull()));
var exprToCode = ExpressionToCodeConfiguration.DefaultCodeGenConfiguration
.WithObjectStringifier(ObjectStringify.WithFullTypeNames);
string RemoveUsings(string source)
{
foreach (var x in NamespaceUsings)
source = source.Replace(x + ".", "");
return source;
}
string Code(object x) =>
x == null ? "null" :
x is Expression ? RemoveUsings(exprToCode.ToCode((Expression)x)) :
x is Request ? Code(container.GetRequestExpression((Request)x).ToExpression()) :
Code(container.GetConstantExpression(x, x.GetType(), true).ToExpression());
string GetTypeNameOnly(string typeName) => typeName.Split('`').First().Split('.').Last();
string OptArg(string arg) => arg == "null" ? "" : ", " + arg;
var rootCodes = result.Roots.Select((r, i) =>
new { ServiceType = r.Key.ServiceType,
ServiceTypeCode = Code(r.Key.ServiceType),
ServiceKeyCode = Code(r.Key.ServiceKey),
RequiredServiceTypeCode = Code(r.Key.Details.RequiredServiceType),
ExpressionCode = Code(r.Value.Body),
CreateMethodName = "Get_" + i + "_" + GetTypeNameOnly(r.Key.ServiceType.Name) });
var depCodes = result.ResolveDependencies.Select((r, i) =>
new { ServiceType = Code(r.Key.ServiceType),
ServiceKey = Code(r.Key.ServiceKey), ServiceKeyObject = r.Key.ServiceKey,
Expression = Code(r.Value),
RequiredServiceType = Code(r.Key.RequiredServiceType),
PreResolveParent = Code(r.Key.Parent),
CreateMethodName = "GetDep_" + i + "_" + GetTypeNameOnly(r.Key.ServiceType.Name) });
#>
/*
========================================================================================================
NOTE: The code below is generated automatically at compile-time and not supposed to be changed by hand.
========================================================================================================
<# var errCount = result.Errors.Count;
if (errCount == 0) { #>
Generation is completed successfully.
<# } else { #>
There are <#=errCount#> generation issues (may be not an error dependent on context):
The issues with run-time registrations may be solved by `container.RegisterPlaceholder<T>()`
in Registrations.ttinclude. Then you can replace placeholders using `DryIocZero.Container.Register`
at runtime.
<# } #>
--------------------------------------------------------------------------------------------------------
<# var eNum = 0;
foreach(var e in result.Errors) { #>
<#=++eNum#>. <#=e.Key#>
Error: <#=e.Value.Message#>
<# } #>
*/
using System;
using System.Linq; // for Enumerable.Cast method required by LazyEnumerable<T>
using System.Collections.Generic;
using System.Threading;
using ImTools;
// Specified `NamespaceUsings` if any:
<# foreach (var ns in NamespaceUsings) {#>
using <#=ns#>;
<#}#>
namespace DryIoc
{
partial class Container
{
partial void GetLastGeneratedFactoryID(ref int lastFactoryID)
{
lastFactoryID = <#=Factory.GetNextID()#>; // generated: equals to the last used Factory.FactoryID
}
partial void ResolveGenerated(ref object service, Type serviceType)
{
<#
var index = 0;
foreach (var root in rootCodes.Where(f => f.ServiceKeyCode == "null"))
{
if (index++ > 0) WriteLine(@"
else");
#>
if (serviceType == <#=root.ServiceTypeCode#>)
service = <#=root.CreateMethodName#>(this);
<#
}
#>
}
partial void ResolveGenerated(ref object service,
Type serviceType, object serviceKey, Type requiredServiceType, Request preRequestParent, object[] args)
{
<#
index = 0;
foreach (var rootGroup in rootCodes.Where(x => x.ServiceKeyCode != "null").GroupBy(x => x.ServiceTypeCode))
{
if (index++ > 0) WriteLine(@"
else");
#>
if (serviceType == <#=rootGroup.Key#>)
{
<#
var innerIndex = 0;
foreach (var root in rootGroup)
{
if (innerIndex++ > 0) WriteLine(@"
else");
#>
if (<#=root.ServiceKeyCode#>.Equals(serviceKey))
service = <#=root.CreateMethodName#>(this);
<#
}
#>
}
<#
}
#>
<#
foreach (var depGroup in depCodes.GroupBy(x => x.ServiceType))
{
if (index++ > 0) WriteLine(@"
else");
#>
if (serviceType == <#=depGroup.Key#>)
{
<#
var innerIndex = 0;
foreach (var dep in depGroup)
{
if (innerIndex++ > 0) WriteLine(@"
else");
#>
if (<#=dep.ServiceKeyObject == null ? "serviceKey == null"
: dep.ServiceKeyObject is DefaultKey ? "(serviceKey == null || " + dep.ServiceKey + ".Equals(serviceKey))"
: dep.ServiceKey + ".Equals(serviceKey)"#> &&
requiredServiceType == <#= dep.RequiredServiceType #> &&
Equals(preRequestParent, <#= dep.PreResolveParent #>))
service = <#=dep.CreateMethodName#>(this);
<#
}
#>
}
<#
}
#>
}
partial void ResolveManyGenerated(ref IEnumerable<ResolveManyResult> services, Type serviceType)
{
services = ResolveManyGenerated(serviceType);
}
private IEnumerable<ResolveManyResult> ResolveManyGenerated(Type serviceType)
{
<#
if (!rootCodes.Any())
{
#>
yield break;
<#
}
else
{
foreach (var rootGroup in rootCodes.GroupBy(x => x.ServiceType))
{
#>
if (serviceType == <#=rootGroup.First().ServiceTypeCode#>)
{
<#
foreach (var root in rootGroup)
{
#>
yield return ResolveManyResult.Of(<#=root.CreateMethodName#><#=OptArg(root.ServiceKeyCode)#><#=OptArg(root.RequiredServiceTypeCode)#>);
<#
}
if (includeVariants && rootGroup.Key.IsGeneric())
{
var sourceType = rootGroup.Key;
var variants = rootCodes
.Where(x => x.ServiceType.IsGeneric() &&
x.ServiceType.GetGenericTypeDefinition() == sourceType.GetGenericTypeDefinition() &&
x.ServiceType != sourceType && x.ServiceType.IsAssignableTo(sourceType));
foreach (var variant in variants)
{
#>
yield return ResolveManyResult.Of(<#=variant.CreateMethodName#><#=OptArg(variant.ServiceKeyCode)#><#=OptArg(variant.RequiredServiceTypeCode)#>); // co-variant
<#
}
}
#>
}
<#
}
}
#>
}
<#
foreach (var root in rootCodes)
{
#>
// <#=root.ServiceTypeCode#>
internal static object <#=root.CreateMethodName#>(IResolverContext r)
{
return <#=root.ExpressionCode#>;
}
<#
}
#>
<#
foreach (var dep in depCodes)
{
#>
// <#=dep.ServiceType#>
internal static object <#=dep.CreateMethodName#>(IResolverContext r)
{
return <#=dep.Expression#>;
}
<#
}
#>
}
}
#endif
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The MIT License (MIT)
Copyright (c) 2013-2020 Maksim Volkau
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
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Hello Sailor,
DryIoc now has an *optional* COMPILE-TIME dependency injection with the source package.
(previously it was available as a separate DryIocZero package)
You may ignore this information if you don't want to use the compile-time DI.
Everything will work without it!
How to use:
1. Copy contents of "%USERPROFILE%\.nuget\packages\DryIoc\<version>\CompileTimeDI\" folder
to your project - e.g. "Container.Generated.tt", "CompileTimeRegistrations.ttinclude", and "CompileTimeRegistrations.Example.cs".
2. Add your registrations into the "CompileTimeRegistrations.ttinclude" file - the file already contains
the registrations from the "CompileTimeGenerate.Example.cs", you may remove them later.
3. Save (or re-save) the "Container.Generated.tt" file in the Visual Studio or JetBrains Rider
(you may get a prompt - accept it). If everything is fine you will see the generated "Container.Generated.cs"
file under the "Container.Generated.tt" in Solution Explorer. The "Container.Generated.cs" will contain
the generated methods to create the services registered in "CompileTimeRegistrations.ttinclude"
Troubleshooting:
1. If you see the errors in "Container.Generated.tt" file with the namespaces not being resolved,
please ensure that "DryIoc.props" is copied to your project from the DryIoc package installation,
e.g. from the "%USERPROFILE%\.nuget\packages\DryIoc\<version>\build\DryIoc.props"
2. Edit the target ".csproj" file and add closer to the top the following Import:
<Import Project="DryIoc.props" />
3. Edit the "DryIoc.props" to ensure the path to "ExpressionToCodeLib.dll" points to the correct location in
the DryIoc package installation.
4. If some of System assemblies are not loading try the accepted answer from the
https://stackoverflow.com/questions/51550265/t4-template-could-not-load-file-or-assembly-system-runtime-version-4-2-0-0
For editing and viewing the T4 text template files you may use ForTea plugin for JetBrains ReSharper
https://plugins.jetbrains.com/plugin/11634-fortea (or JetBrains Rider with the native T4 support)
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The MIT License (MIT)
Copyright (c) 2007 James Newton-King
Permission is hereby granted, free of charge, to any person obtaining a copy of
this software and associated documentation files (the "Software"), to deal in
the Software without restriction, including without limitation the rights to
use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
the Software, and to permit persons to whom the Software is furnished to do so,
subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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