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HybridLifestyle.cs
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HybridLifestyle.cs
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#region Copyright Simple Injector Contributors
/* The Simple Injector is an easy-to-use Inversion of Control library for .NET
*
* Copyright (c) 2013-2016 Simple Injector Contributors
*
* 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.
*/
#endregion
namespace SimpleInjector.Lifestyles
{
using System;
internal sealed class HybridLifestyle : Lifestyle
{
private readonly Predicate<Container> lifestyleSelector;
private readonly Lifestyle trueLifestyle;
private readonly Lifestyle falseLifestyle;
internal HybridLifestyle(Predicate<Container> lifestyleSelector, Lifestyle trueLifestyle, Lifestyle falseLifestyle)
: base("Hybrid " + GetHybridName(trueLifestyle) + " / " + GetHybridName(falseLifestyle))
{
this.lifestyleSelector = lifestyleSelector;
this.trueLifestyle = trueLifestyle;
this.falseLifestyle = falseLifestyle;
}
public override int Length
{
get { throw new NotSupportedException("The length property is not supported for this lifestyle."); }
}
internal override int ComponentLength(Container container) =>
Math.Max(
this.trueLifestyle.ComponentLength(container),
this.falseLifestyle.ComponentLength(container));
internal override int DependencyLength(Container container) =>
Math.Min(
this.trueLifestyle.DependencyLength(container),
this.falseLifestyle.DependencyLength(container));
internal static string GetHybridName(Lifestyle lifestyle)
{
var hybrid = lifestyle as HybridLifestyle;
if (hybrid != null)
{
return hybrid.GetHybridName();
}
var scopedHybrid = lifestyle as ScopedHybridLifestyle;
if (scopedHybrid != null)
{
return scopedHybrid.GetHybridName();
}
return lifestyle.Name;
}
protected internal override Registration CreateRegistrationCore<TConcrete>(Container container)
{
Func<bool> test = () => this.lifestyleSelector(container);
return new HybridRegistration(typeof(TConcrete), test,
this.trueLifestyle.CreateRegistration<TConcrete>(container),
this.falseLifestyle.CreateRegistration<TConcrete>(container),
this, container);
}
protected internal override Registration CreateRegistrationCore<TService>(Func<TService> instanceCreator,
Container container)
{
Func<bool> test = () => this.lifestyleSelector(container);
return new HybridRegistration(typeof(TService), test,
this.trueLifestyle.CreateRegistration(instanceCreator, container),
this.falseLifestyle.CreateRegistration(instanceCreator, container),
this, container);
}
private string GetHybridName() =>
GetHybridName(this.trueLifestyle) + " / " + GetHybridName(this.falseLifestyle);
}
}