/* 
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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.
 */

using System;

using Tokenizer = Lucene.Net.Analysis.Tokenizer;
using Attribute = Lucene.Net.Util.Attribute;

namespace Lucene.Net.Analysis.Tokenattributes
{
	
	/// <summary> This attribute can be used to pass different flags down the {@link Tokenizer} chain,
	/// eg from one TokenFilter to another one. 
	/// </summary>
	public interface FlagsAttribute:Attribute
	{
		/// <summary> EXPERIMENTAL:  While we think this is here to stay, we may want to change it to be a long.
		/// <p/>
		/// 
		/// Get the bitset for any bits that have been set.  This is completely distinct from {@link TypeAttribute#Type()}, although they do share similar purposes.
		/// The flags can be used to encode information about the token for use by other {@link Lucene.Net.Analysis.TokenFilter}s.
		/// 
		/// 
		/// </summary>
		/// <returns> The bits
		/// </returns>
		int GetFlags();
		
		/// <seealso cref="GetFlags()">
		/// </seealso>
		void  SetFlags(int flags);
	}
}