Mercurial > pub > ImplabNet

comparison Implab.ServiceHost/Unity/TypeRegistrationBuilder.cs @ 274:22629bf26121 v3

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Unity xml configuration, alpha2
author cin
date Fri, 27 Apr 2018 04:47:52 +0300
parents
children 963b17c275be
comparison
equal deleted inserted replaced
273:79110a16cab7 274:22629bf26121
1 using System;
2 using System.Collections.Generic;
3 using System.Linq;
4 using Unity.Injection;
5 using Unity.Registration;
6
7 namespace Implab.ServiceHost.Unity {
8 public class TypeRegistrationBuilder : RegistrationBuilder {
9
10 readonly TypeResolver m_resolver;
11
12 readonly List<InjectionMember> m_injections = new List<InjectionMember>();
13
14 public InjectionMember[] Injections { get { return m_injections.ToArray(); } }
15
16 public Type ImplementationType {
17 get;
18 private set;
19 }
20
21 internal TypeRegistrationBuilder(TypeResolver resolver, Type registrationType, Type implementationType) : base(registrationType) {
22 ImplementationType = implementationType;
23
24 // when registering a generic mapping, register all generic parameter names as local types
25 if (ImplementationType.IsGenericTypeDefinition) {
26 m_resolver = new TypeResolver(resolver);
27
28 foreach (var p in ImplementationType.GetGenericArguments())
29 m_resolver.AddMapping(p.Name, p);
30 } else {
31 m_resolver = resolver;
32 }
33 }
34
35 internal void Visit(ConstructorInjectionElement constructorInjection) {
36
37
38 var parameters = constructorInjection.Parameters?
39 .Select(x => {
40 var valueBuilder = new InjectionValueBuilder(m_resolver, null);
41 x.Visit(valueBuilder);
42 return valueBuilder.Injection;
43 })
44 .ToArray();
45
46 var injection = parameters != null ? new InjectionConstructor(parameters) : new InjectionConstructor();
47 m_injections.Add(injection);
48 }
49
50 internal void Visit(MethodInjectionElement methodInjection) {
51 var valueContext = new InjectionValueBuilder(m_resolver, null);
52
53 var parameters = methodInjection.Parameters?
54 .Select(x => {
55 var valueBuilder = new InjectionValueBuilder(m_resolver, null);
56 x.Visit(valueBuilder);
57 return valueBuilder.Injection;
58 })
59 .ToArray();
60
61 var injection = parameters != null ? new InjectionMethod(methodInjection.Name, parameters) : new InjectionMethod(methodInjection.Name);
62 m_injections.Add(injection);
63 }
64
65 internal void Visit(PropertyInjectionElement propertyInjection) {
66 if (propertyInjection.Value == null)
67 throw new Exception($"A value value must be specified for the property '{propertyInjection.Name}'");
68
69 var propertyType = RegistrationType.GetProperty(propertyInjection.Name)?.PropertyType;
70 var valueContext = new InjectionValueBuilder(m_resolver, propertyType);
71
72 propertyInjection.Value.Visit(valueContext);
73 var injection = new InjectionProperty(propertyInjection.Name, valueContext.Injection);
74 m_injections.Add(injection);
75 }
76 }
77 }