/*
* 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;
namespace Lucene.Net.Index
{
/// Useful constants representing filenames and extensions used by lucene
///
///
/// Bernhard Messer
///
/// $rcs = ' $Id: Exp $ ' ;
///
sealed class IndexFileNames
{
/// Name of the index segment file
internal const System.String SEGMENTS = "segments";
/// Name of the index deletable file
internal const System.String DELETABLE = "deletable";
/// This array contains all filename extensions used by Lucene's index files, with
/// one exception, namely the extension made up from .f
+ a number.
/// Also note that two of Lucene's files (deletable
and
/// segments
) don't have any filename extension.
///
internal static readonly System.String[] INDEX_EXTENSIONS = new System.String[]{"cfs", "fnm", "fdx", "fdt", "tii", "tis", "frq", "prx", "del", "tvx", "tvd", "tvf", "tvp"};
/// File extensions of old-style index files
internal static readonly System.String[] COMPOUND_EXTENSIONS = new System.String[]{"fnm", "frq", "prx", "fdx", "fdt", "tii", "tis"};
/// File extensions for term vector support
internal static readonly System.String[] VECTOR_EXTENSIONS = new System.String[]{"tvx", "tvd", "tvf"};
}
}