Exemple #1
0
        public void TestSimpleInstanceWiring()
        {
            var context = new ElderBox(GetConfiguration());

            context.Autowire(this);

            Assert.IsNotNull(_serviceA, "Failed to autowire instance!");
            Assert.IsNotNull(_serviceB, "Failed to autowire instance!");
        }
Exemple #2
0
        public void TestSimpleInstanceWiring()
        {
            var context = new ElderBox(GetConfiguration());


            context.Autowire(this);

            Assert.IsNotNull(_serviceA, "Failed to autowire instance!");
            Assert.IsNotNull(_serviceB, "Failed to autowire instance!");
        }
Exemple #3
0
        public override object CreateInstance(ElderBox ctx, ISet <Type> unresolvedDependencies, object[] providedParameters = null)
        {
            if (unresolvedDependencies == null)
            {
                throw new ArgumentNullException("unresolvedDependencies");
            }
            if (providedParameters == null)
            {
                providedParameters = new object[0];
            }


            // Try to create an instance of the given type.

            var allConstructors = _implementationType.GetConstructors(BindingFlags.Public | BindingFlags.Instance | BindingFlags.NonPublic);

            var constructor = (from c in allConstructors
                               where c.GetCustomAttributes(typeof(InjectAttribute), false).Any()
                               select c).FirstOrDefault();

            if (constructor == null)
            {
                // There was no Constructor with the Inject Attribute.
                // Just get the first available one
                constructor = (from c in allConstructors
                               where c.IsPublic || !c.IsPrivate
                               select c).FirstOrDefault() ?? allConstructors.FirstOrDefault();
            }

            if (constructor != null)
            {
                // We have found a constructor

                var rawInstance = FormatterServices.GetUninitializedObject(_implementationType);

                ctx.Autowire(rawInstance, unresolvedDependencies);

                var parameters = ctx.AutowireParameters(_implementationType, constructor.GetParameters(), unresolvedDependencies, providedParameters);
                constructor.Invoke(rawInstance, parameters);
                return(rawInstance);
            }

            throw new NotSupportedException("Can not create an instance for type " + _implementationType.Name + " - no viable (public/protected) constructor in the available " + allConstructors.Count() + " found!");
        }