Version.cs

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/* 
 * 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.Util
{
    public enum Version
    {
        LUCENE_20,
        
        LUCENE_21,
        
        LUCENE_22,
        
        LUCENE_23,

        LUCENE_24,

        LUCENE_29,

        LUCENE_30,

        // NOTE: Add new constants for later versions **here** to respect order!
        
        [Obsolete("Use an actual version instead.")]
        LUCENE_CURRENT,
    }

    public static class VersionEnumExtensions
    {
        public static bool OnOrAfter(this Version first, Version other)
        {
            return first.CompareTo(other) >= 0;
        }
    }
}