// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
 
#nullable disable
 
using System;
using System.Collections.Generic;
using Microsoft.CodeAnalysis.Host.Mef;
using Roslyn.Utilities;
 
namespace Microsoft.CodeAnalysis.Host
{
    /// <summary>
    /// MEF metadata class used to find exports declared for a specific <see cref="IEventListener"/>.
    /// </summary>
    internal class EventListenerMetadata : WorkspaceKindMetadata
    {
        public string Service { get; }
 
        public EventListenerMetadata(IDictionary<string, object> data)
            : base(data)
        {
            this.Service = (string)data.GetValueOrDefault("Service");
        }
 
        public EventListenerMetadata(string service, params string[] workspaceKinds)
            : base(workspaceKinds)
        {
            if (workspaceKinds?.Length == 0)
            {
                throw new ArgumentException(nameof(workspaceKinds));
            }
 
            this.Service = service ?? throw new ArgumentException(nameof(service));
        }
    }
}