RunModeAttribute.cs

using System;
using Ultz.Extensions.Commands.Built;

namespace Ultz.Extensions.Commands.Attributes
{
    /// <summary>
    /// Sets a <see cref="RunMode" /> for the <see cref="Module" /> or <see cref="Command" />.
    /// </summary>
    [AttributeUsage(AttributeTargets.Class | AttributeTargets.Method)]
    public sealed class RunModeAttribute : Attribute
    {
        /// <summary>
        /// Initialises a new <see cref="RunModeAttribute" /> with the specified <see cref="RunMode" />.
        /// </summary>
        /// <param name="runMode"> The value to set. </param>
        /// <exception cref="ArgumentOutOfRangeException">
        /// Invalid run mode.
        /// </exception>
        public RunModeAttribute(RunMode runMode)
        {
            if (!Enum.IsDefined(typeof(RunMode), runMode))
            {
                throw new ArgumentOutOfRangeException(nameof(runMode), "Invalid run mode.");
            }

            Value = runMode;
        }

        /// <summary>
        /// Gets the <see cref="RunMode" />.
        /// </summary>
        public RunMode Value { get; }
    }
}