/// <summary>
/// Inject properties onto an instance, filtered by a property selector.
/// </summary>
/// <param name="context">The component context to resolve dependencies from.</param>
/// <param name="instance">The instance to inject onto.</param>
/// <param name="propertySelector">The property selector.</param>
/// <param name="parameters">The set of parameters for the resolve that can be used to satisfy injectable properties.</param>
public static void InjectProperties(IResolveContext context, object instance, IPropertySelector propertySelector, IEnumerable <Parameter> parameters)
{
if (context == null)
{
throw new ArgumentNullException(nameof(context));
}
if (instance == null)
{
throw new ArgumentNullException(nameof(instance));
}
if (propertySelector == null)
{
throw new ArgumentNullException(nameof(propertySelector));
}
if (parameters == null)
{
throw new ArgumentNullException(nameof(parameters));
}
var resolveParameters = parameters as Parameter[] ?? parameters.ToArray();
var instanceType = instance.GetType();
var injectableProperties = InjectableProperties.GetOrAdd(instanceType, type => GetInjectableProperties(type).ToArray());
for (var index = 0; index < injectableProperties.Length; index++)
{
var property = injectableProperties[index];
if (!propertySelector.InjectProperty(property, instance))
{
continue;
}
var setParameter = property.SetMethod.GetParameters()[0];
var valueProvider = (Func <object?>?)null;
var parameter = resolveParameters.FirstOrDefault(p => p.CanSupplyValue(setParameter, context, out valueProvider));
if (parameter != null)
{
var setter = PropertySetters.GetOrAdd(property, MakeFastPropertySetter);
setter(instance, valueProvider !());
continue;
}
var propertyService = new TypedService(property.PropertyType);
var instanceTypeParameter = new NamedParameter(InstanceTypeNamedParameter, instanceType);
if (context.TryResolveService(propertyService, new Parameter[] { instanceTypeParameter }, out var propertyValue))
{
var setter = PropertySetters.GetOrAdd(property, MakeFastPropertySetter);
setter(instance, propertyValue);
}
}
}
