-
-
Notifications
You must be signed in to change notification settings - Fork 832
/
RegistrationBuilder.cs
258 lines (238 loc) · 11.4 KB
/
RegistrationBuilder.cs
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
// This software is part of the Autofac IoC container
// Copyright © 2011 Autofac Contributors
// http://autofac.org
//
// 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.
using System;
using System.Collections.Generic;
using System.Globalization;
using System.Linq;
using System.Reflection;
using Autofac.Core;
using Autofac.Core.Activators.Delegate;
using Autofac.Core.Registration;
namespace Autofac.Builder
{
/// <summary>
/// Static factory methods to simplify the creation and handling of IRegistrationBuilder{L,A,R}.
/// </summary>
/// <example>
/// To create an <see cref="IComponentRegistration"/> for a specific type, use:
/// <code>
/// var cr = RegistrationBuilder.ForType(t).CreateRegistration();
/// </code>
/// The full builder syntax is supported.
/// <code>
/// var cr = RegistrationBuilder.ForType(t).Named("foo").ExternallyOwned().CreateRegistration();
/// </code>
/// </example>
public static class RegistrationBuilder
{
/// <summary>
/// Creates a registration builder for the provided delegate.
/// </summary>
/// <typeparam name="T">Instance type returned by delegate.</typeparam>
/// <param name="delegate">Delegate to register.</param>
/// <returns>A registration builder.</returns>
public static IRegistrationBuilder<T, SimpleActivatorData, SingleRegistrationStyle> ForDelegate<T>(Func<IComponentContext, IEnumerable<Parameter>, T> @delegate)
{
return new RegistrationBuilder<T, SimpleActivatorData, SingleRegistrationStyle>(
new TypedService(typeof(T)),
new SimpleActivatorData(new DelegateActivator(typeof(T), (c, p) => @delegate(c, p))),
new SingleRegistrationStyle());
}
/// <summary>
/// Creates a registration builder for the provided delegate.
/// </summary>
/// <param name="delegate">Delegate to register.</param>
/// <param name="limitType">Most specific type return value of delegate can be cast to.</param>
/// <returns>A registration builder.</returns>
public static IRegistrationBuilder<object, SimpleActivatorData, SingleRegistrationStyle> ForDelegate(Type limitType, Func<IComponentContext, IEnumerable<Parameter>, object> @delegate)
{
return new RegistrationBuilder<object, SimpleActivatorData, SingleRegistrationStyle>(
new TypedService(limitType),
new SimpleActivatorData(new DelegateActivator(limitType, @delegate)),
new SingleRegistrationStyle());
}
/// <summary>
/// Creates a registration builder for the provided type.
/// </summary>
/// <typeparam name="TImplementer">Implementation type to register.</typeparam>
/// <returns>A registration builder.</returns>
public static IRegistrationBuilder<TImplementer, ConcreteReflectionActivatorData, SingleRegistrationStyle> ForType<TImplementer>()
{
return new RegistrationBuilder<TImplementer, ConcreteReflectionActivatorData, SingleRegistrationStyle>(
new TypedService(typeof(TImplementer)),
new ConcreteReflectionActivatorData(typeof(TImplementer)),
new SingleRegistrationStyle());
}
/// <summary>
/// Creates a registration builder for the provided type.
/// </summary>
/// <param name="implementationType">Implementation type to register.</param>
/// <returns>A registration builder.</returns>
public static IRegistrationBuilder<object, ConcreteReflectionActivatorData, SingleRegistrationStyle> ForType(Type implementationType)
{
return new RegistrationBuilder<object, ConcreteReflectionActivatorData, SingleRegistrationStyle>(
new TypedService(implementationType),
new ConcreteReflectionActivatorData(implementationType),
new SingleRegistrationStyle());
}
/// <summary>
/// Create an <see cref='IComponentRegistration'/> from a <see cref='RegistrationBuilder'/>.
/// There is no need to call this method when registering components through a <see cref="ContainerBuilder"/>.
/// </summary>
/// <remarks>
/// When called on the result of one of the <see cref='ContainerBuilder'/> methods,
/// the returned registration will be different from the one the builder itself registers
/// in the container.
/// </remarks>
/// <example>
/// <code>
/// var registration = RegistrationBuilder.ForType<Foo>().CreateRegistration();
/// </code>
/// </example>
/// <param name="builder">The registration builder.</param>
/// <returns>An IComponentRegistration.</returns>
/// <exception cref="System.ArgumentNullException">
/// Thrown if <paramref name="builder" /> is <see langword="null" />.
/// </exception>
public static IComponentRegistration CreateRegistration<TLimit, TActivatorData, TSingleRegistrationStyle>(
this IRegistrationBuilder<TLimit, TActivatorData, TSingleRegistrationStyle> builder)
where TSingleRegistrationStyle : SingleRegistrationStyle
where TActivatorData : IConcreteActivatorData
{
if (builder == null) throw new ArgumentNullException(nameof(builder));
return CreateRegistration(
builder.RegistrationStyle.Id,
builder.RegistrationData,
builder.ActivatorData.Activator,
builder.RegistrationData.Services.ToArray(),
builder.RegistrationStyle.Target);
}
/// <summary>
/// Create an IComponentRegistration from data.
/// </summary>
/// <param name="id">Id of the registration.</param>
/// <param name="data">Registration data.</param>
/// <param name="activator">Activator.</param>
/// <param name="services">Services provided by the registration.</param>
/// <returns>An IComponentRegistration.</returns>
public static IComponentRegistration CreateRegistration(
Guid id,
RegistrationData data,
IInstanceActivator activator,
Service[] services)
{
return CreateRegistration(id, data, activator, services, null);
}
/// <summary>
/// Create an IComponentRegistration from data.
/// </summary>
/// <param name="id">Id of the registration.</param>
/// <param name="data">Registration data.</param>
/// <param name="activator">Activator.</param>
/// <param name="services">Services provided by the registration.</param>
/// <param name="target">Optional; target registration.</param>
/// <returns>An IComponentRegistration.</returns>
/// <exception cref="System.ArgumentNullException">
/// Thrown if <paramref name="activator" /> or <paramref name="data" /> is <see langword="null" />.
/// </exception>
public static IComponentRegistration CreateRegistration(
Guid id,
RegistrationData data,
IInstanceActivator activator,
Service[] services,
IComponentRegistration target)
{
if (activator == null) throw new ArgumentNullException(nameof(activator));
if (data == null) throw new ArgumentNullException(nameof(data));
var limitType = activator.LimitType;
if (limitType != typeof(object))
{
foreach (var ts in services)
{
var asServiceWithType = ts as IServiceWithType;
if (asServiceWithType == null)
{
continue;
}
if (!asServiceWithType.ServiceType.GetTypeInfo().IsAssignableFrom(limitType.GetTypeInfo()))
{
throw new ArgumentException(string.Format(CultureInfo.CurrentCulture, RegistrationBuilderResources.ComponentDoesNotSupportService, limitType, ts));
}
}
}
IComponentRegistration registration;
if (target == null)
{
registration = new ComponentRegistration(
id,
activator,
data.Lifetime,
data.Sharing,
data.Ownership,
services,
data.Metadata);
}
else
{
registration = new ComponentRegistration(
id,
activator,
data.Lifetime,
data.Sharing,
data.Ownership,
services,
data.Metadata,
target);
}
foreach (var p in data.PreparingHandlers)
registration.Preparing += p;
foreach (var ac in data.ActivatingHandlers)
registration.Activating += ac;
foreach (var ad in data.ActivatedHandlers)
registration.Activated += ad;
return registration;
}
/// <summary>
/// Register a component in the component registry. This helper method is necessary
/// in order to execute OnRegistered hooks and respect PreserveDefaults.
/// </summary>
/// <remarks>Hoping to refactor this out.</remarks>
/// <param name="cr">Component registry to make registration in.</param>
/// <param name="builder">Registration builder with data for new registration.</param>
public static void RegisterSingleComponent<TLimit, TActivatorData, TSingleRegistrationStyle>(
IComponentRegistry cr,
IRegistrationBuilder<TLimit, TActivatorData, TSingleRegistrationStyle> builder)
where TSingleRegistrationStyle : SingleRegistrationStyle
where TActivatorData : IConcreteActivatorData
{
if (cr == null) throw new ArgumentNullException(nameof(cr));
var registration = CreateRegistration(builder);
cr.Register(registration, builder.RegistrationStyle.PreserveDefaults);
var registeredEventArgs = new ComponentRegisteredEventArgs(cr, registration);
foreach (var rh in builder.RegistrationStyle.RegisteredHandlers)
rh(cr, registeredEventArgs);
}
}
}