package org.apache.lucene.util;
/**
* 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.
*/
/**
* Use by certain classes to match version compatibility
* across releases of Lucene.
*
* <p><b>WARNING</b>: When changing the version parameter
* that you supply to components in Lucene, do not simply
* change the version at search-time, but instead also adjust
* your indexing code to match, and re-index.
*/
public enum Version {
/** Match settings and bugs in Lucene's 2.0 release. */
LUCENE_20,
/** Match settings and bugs in Lucene's 2.1 release. */
LUCENE_21,
/** Match settings and bugs in Lucene's 2.2 release. */
LUCENE_22,
/** Match settings and bugs in Lucene's 2.3 release. */
LUCENE_23,
/** Match settings and bugs in Lucene's 2.4 release. */
LUCENE_24,
/** Match settings and bugs in Lucene's 2.9 release. */
LUCENE_29,
/** Match settings and bugs in Lucene's 3.0 release. */
LUCENE_30,
/** Match settings and bugs in Lucene's 3.0 release. */
LUCENE_31,
/** Match settings and bugs in Lucene's 4.0 release.
* <p>
* Use this to get the latest & greatest settings, bug
* fixes, etc, for Lucene.
*/
LUCENE_40,
/* Add new constants for later versions **here** to respect order! */
/**
* <p><b>WARNING</b>: if you use this setting, and then
* upgrade to a newer release of Lucene, sizable changes
* may happen. If backwards compatibility is important
* then you should instead explicitly specify an actual
* version.
* <p>
* If you use this constant then you may need to
* <b>re-index all of your documents</b> when upgrading
* Lucene, as the way text is indexed may have changed.
* Additionally, you may need to <b>re-test your entire
* application</b> to ensure it behaves as expected, as
* some defaults may have changed and may break functionality
* in your application.
* @deprecated Use an actual version instead.
*/
@Deprecated
LUCENE_CURRENT;
public boolean onOrAfter(Version other) {
return compareTo(other) >= 0;
}
}