add MultiplexerMapping

Author: Mpdreamz

src/Nest/Analysis/TokenFilters/MultiplexerTokenFilter.cs

@@ -0,0 +1,50 @@
+using System.Collections;
+using System.Collections.Generic;
+using Newtonsoft.Json;
+
+namespace Nest
+{
+	/// <summary>
+	/// A token filter of type multiplexer will emit multiple tokens at the same position, each version of the token having
+	/// been run through a different filter. Identical output tokens at the same position will be removed.
+	/// </summary>
+	public interface IMultiplexerTokenFilter : ITokenFilter
+	{
+		[JsonProperty("filters")]
+		IEnumerable<string> Filters { get; set; }
+
+		[JsonProperty("preserve_original")]
+		bool? PreserveOriginal { get; set; }
+	}
+	public class MultiplexerTokenFilter : TokenFilterBase, IMultiplexerTokenFilter
+	{
+		internal const string TokenType = "multiplexer";
+		public MultiplexerTokenFilter() : base(TokenType) { }
+
+		/// <inheritdoc cref="IMultiplexerTokenFilter.Filters"/>
+		public IEnumerable<string> Filters { get; set; }
+
+		/// <inheritdoc cref="IMultiplexerTokenFilter.PreserveOriginal"/>
+		public bool? PreserveOriginal { get; set; }
+
+	}
+	///<inheritdoc cref="IMultiplexerTokenFilter"/>
+	public class MultiplexerTokenFilterDescriptor
+		: TokenFilterDescriptorBase<MultiplexerTokenFilterDescriptor, IMultiplexerTokenFilter>, IMultiplexerTokenFilter
+	{
+		protected override string Type => MultiplexerTokenFilter.TokenType;
+
+		IEnumerable<string> IMultiplexerTokenFilter.Filters { get; set; }
+		bool? IMultiplexerTokenFilter.PreserveOriginal { get; set; }
+
+		/// <inheritdoc cref="IMultiplexerTokenFilter.Filters"/>
+		public MultiplexerTokenFilterDescriptor Filters(IEnumerable<string> filters) => Assign(a => a.Filters = filters);
+
+		/// <inheritdoc cref="IMultiplexerTokenFilter.Filters"/>
+		public MultiplexerTokenFilterDescriptor Filters(params string[] filters) => Assign(a => a.Filters = filters);
+
+		/// <inheritdoc cref="IMultiplexerTokenFilter.PreserveOriginal"/>
+		public MultiplexerTokenFilterDescriptor PreserveOriginal(bool? preserve = true) => Assign(a => a.PreserveOriginal = preserve);
+	}
+
+}