public static Instance Create(IReadOnlyContainer container, Type type, IReadOnlyDictionary <Type, object> unknownTypes)
{
Check.ArgumentIsNull(container, nameof(container));
Check.ArgumentIsNull(type, nameof(type));
Check.ArgumentIsNull(unknownTypes, nameof(unknownTypes));
var constructorsWithInjectAttr = InjectAttributeHelper.GetConstructors(type);
if (constructorsWithInjectAttr.Count > 1)
{
throw new ContainerException($"Ambiguous usage of 'Inject' attribute on constructors of type '{type}'. Only one constructor can be marked with 'Inject' attribute.");
}
if (constructorsWithInjectAttr.Count == 0)
{
return(CreateInstanceUsingDefaultConstructor(type));
}
Check.Assert(constructorsWithInjectAttr.Count == 1, "constructorsWithInjectAttr.Count == 1");
return(CreateInstanceUsingCustomConstructor(container, constructorsWithInjectAttr.Single(), unknownTypes));
}
public static void Inject(IReadOnlyContainer container, object instance, IReadOnlyDictionary <Type, object> unknownTypes)
{
Check.ArgumentIsNull(container, nameof(container));
Check.ArgumentIsNull(instance, nameof(instance));
Check.ArgumentIsNull(unknownTypes, nameof(unknownTypes));
var type = instance.GetType();
var propertiesWithInjectAttr = InjectAttributeHelper.GetProperties(type);
CheckTypesOfPropertiesAreRegistered(container, type, propertiesWithInjectAttr, unknownTypes);
foreach (var propertyInfo in propertiesWithInjectAttr)
{
var propertyType = propertyInfo.PropertyType;
var instanceOfPropertyType =
container.Contains(propertyType)
? container.Get(propertyType)
: unknownTypes.First(kv => propertyType.IsAssignableFrom(kv.Key)).Value;
propertyInfo.SetValue(instance, instanceOfPropertyType, null);
}
}
