TypeRegistrationBuilder.cs
76 lines
| 3.0 KiB
| text/x-csharp
|
CSharpLexer
cin
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r274 | using System; | |
| using System.Collections.Generic; | |||
| using System.Linq; | |||
| using Unity.Injection; | |||
| using Unity.Registration; | |||
| namespace Implab.ServiceHost.Unity { | |||
| public class TypeRegistrationBuilder : RegistrationBuilder { | |||
| readonly TypeResolver m_resolver; | |||
| readonly List<InjectionMember> m_injections = new List<InjectionMember>(); | |||
| public InjectionMember[] Injections { get { return m_injections.ToArray(); } } | |||
| public Type ImplementationType { | |||
| get; | |||
| private set; | |||
| } | |||
| internal TypeRegistrationBuilder(TypeResolver resolver, Type registrationType, Type implementationType) : base(registrationType) { | |||
| ImplementationType = implementationType; | |||
| // when registering a generic mapping, register all generic parameter names as local types | |||
| if (ImplementationType.IsGenericTypeDefinition) { | |||
| m_resolver = new TypeResolver(resolver); | |||
| foreach (var p in ImplementationType.GetGenericArguments()) | |||
| m_resolver.AddMapping(p.Name, p); | |||
| } else { | |||
| m_resolver = resolver; | |||
| } | |||
| } | |||
| internal void Visit(ConstructorInjectionElement constructorInjection) { | |||
| var parameters = constructorInjection.Parameters? | |||
| .Select(x => { | |||
| var valueBuilder = new InjectionValueBuilder(m_resolver, null); | |||
| x.Visit(valueBuilder); | |||
| return valueBuilder.Injection; | |||
| }) | |||
| .ToArray(); | |||
| var injection = parameters != null ? new InjectionConstructor(parameters) : new InjectionConstructor(); | |||
| m_injections.Add(injection); | |||
| } | |||
| internal void Visit(MethodInjectionElement methodInjection) { | |||
| var valueContext = new InjectionValueBuilder(m_resolver, null); | |||
| var parameters = methodInjection.Parameters? | |||
| .Select(x => { | |||
| var valueBuilder = new InjectionValueBuilder(m_resolver, null); | |||
| x.Visit(valueBuilder); | |||
| return valueBuilder.Injection; | |||
| }) | |||
| .ToArray(); | |||
| var injection = parameters != null ? new InjectionMethod(methodInjection.Name, parameters) : new InjectionMethod(methodInjection.Name); | |||
| m_injections.Add(injection); | |||
| } | |||
| internal void Visit(PropertyInjectionElement propertyInjection) { | |||
| if (propertyInjection.Value == null) | |||
| throw new Exception($"A value value must be specified for the property '{propertyInjection.Name}'"); | |||
| var propertyType = RegistrationType.GetProperty(propertyInjection.Name)?.PropertyType; | |||
| var valueContext = new InjectionValueBuilder(m_resolver, propertyType); | |||
| propertyInjection.Value.Visit(valueContext); | |||
| var injection = new InjectionProperty(propertyInjection.Name, valueContext.Injection); | |||
| m_injections.Add(injection); | |||
| } | |||
| } | |||
| } |