// <copyright file="Propagators.cs" company="OpenTelemetry Authors">
// Copyright The OpenTelemetry Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// </copyright>

namespace OpenTelemetry.Context.Propagation;

/// <summary>
/// Propagators allow setting the global default Propagators.
/// </summary>
public static class Propagators
{
    private static readonly TextMapPropagator Noop = new NoopTextMapPropagator();

    /// <summary>
    /// Gets the Default TextMapPropagator to be used.
    /// </summary>
    /// <remarks>
    /// Setting this can be done only from Sdk.
    /// </remarks>
    public static TextMapPropagator DefaultTextMapPropagator { get; internal set; } = Noop;

    internal static void Reset()
    {
        DefaultTextMapPropagator = Noop;
    }
}
