third_party/protobuf/3.6.1/csharp/src/Google.Protobuf/Reflection/RepeatedFieldAccessor.cs

#region Copyright notice and license
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using System;
using System.Collections;
using System.Reflection;

namespace Google.Protobuf.Reflection
{
    /// <summary>
    /// Accessor for repeated fields.
    /// </summary>
    internal sealed class RepeatedFieldAccessor : FieldAccessorBase
    {
        internal RepeatedFieldAccessor(PropertyInfo property, FieldDescriptor descriptor) : base(property, descriptor)
        {
        }

        public override void Clear(IMessage message)
        {
            IList list = (IList) GetValue(message);
            list.Clear();
        }

        public override void SetValue(IMessage message, object value)
        {
            throw new InvalidOperationException("SetValue is not implemented for repeated fields");
        }

    }
}