Exemplo n.º 1
0
        /// <summary>
        /// Collects types decorated with <see cref="AddToServicesAttribute"/> and user the <paramref name="applier"/> to apply it.
        /// </summary>
        /// <param name="applier">The applier to use.</param>
        /// <param name="tag">The tag to collect.</param>
        /// <exception cref="System.ArgumentNullException"><paramref name="applier"/> is null.</exception>
        public void Collect(IApplier applier, string tag = null)
        {
            if (applier == null)
            {
                throw new ArgumentNullException(nameof(applier));
            }

            var implementations = Assemblies
                                  .SelectMany(a => a.ExportedTypes)
                                  .Where(t =>
                                         t.GetTypeInfo()
                                         .CustomAttributes
                                         .Any(cd => cd.AttributeType == typeof(AddToServicesAttribute)));

            foreach (var implementation in implementations)
            {
                var attributes = implementation.GetTypeInfo().GetCustomAttributes <AddToServicesAttribute>();
                foreach (var attribute in attributes)
                {
                    if ((attribute.InternalTags == null && tag != null) ||
                        (attribute.InternalTags != null && tag == null) ||
                        (attribute.InternalTags != null && tag != null && !attribute.InternalTags.Any(
                             t => t.Equals(tag, StringComparison.OrdinalIgnoreCase))))
                    {
                        continue;
                    }
                    var context = new ApplierContext(implementation, attribute);
                    applier.Apply(context);
                }
            }
        }
Exemplo n.º 2
0
        /// <summary>
        /// Collects types decorated with <see cref="AddToServicesAttribute"/> and user the <paramref name="applier"/> to apply it.
        /// </summary>
        /// <param name="applier">The applier to use.</param>
        /// <param name="tag">The tag to collect.</param>
        /// <exception cref="ArgumentNullException"><paramref name="applier"/> is null.</exception>
        public void Collect(IApplier applier, string tag = null)
        {
            if (applier == null)
            {
                throw new ArgumentNullException(nameof(applier));
            }

            var pairs = _provider.GetAttributes();

            foreach (var pair in pairs)
            {
                var implementation = pair.Implementation;
                var attributes     = pair.Attributes;

                foreach (var attribute in attributes)
                {
                    if ((attribute.InternalTags == null && tag != null) ||
                        (attribute.InternalTags != null && tag == null) ||
                        (attribute.InternalTags != null && tag != null && !attribute.InternalTags.Any(
                             t => t.Equals(tag, StringComparison.OrdinalIgnoreCase))))
                    {
                        continue;
                    }

                    var service = ValidateService(implementation, attribute);
                    var context = new ApplierContext(service, implementation, attribute.ForwardTo, attribute.Lifetime);
                    applier.Apply(context);
                }
            }
        }
Exemplo n.º 3
0
 public void Apply(ApplierContext context)
 {
     Contexts.Add(context);
 }