using System;

namespace LinFu.IoC.Configuration
{
    /// <summary>
    ///     An attribute that marks a type as a custom factory.
    /// </summary>
    [AttributeUsage(AttributeTargets.Class, AllowMultiple = true)]
    public class FactoryAttribute : Attribute
    {
        /// <summary>
        ///     The additional parameters supported by the custom factory.
        /// </summary>
        public Type[] ArgumentTypes;

        /// <summary>
        ///     The service name that will be associated
        ///     with the service type.
        /// </summary>
        public string ServiceName;

        /// <summary>
        ///     Marks a target type as a custom factory
        ///     that can create object instances that
        ///     can implement the <paramref name="serviceType" />.
        /// </summary>
        /// <param name="serviceType">The service type to create.</param>
        public FactoryAttribute(Type serviceType)
        {
            ServiceType = serviceType;
        }

        /// <summary>
        ///     Gets the service type that can be created
        ///     using the factory instance.
        /// </summary>
        public Type ServiceType { get; }
    }
}