001/*
002 * Licensed to DuraSpace under one or more contributor license agreements.
003 * See the NOTICE file distributed with this work for additional information
004 * regarding copyright ownership.
005 *
006 * DuraSpace licenses this file to you under the Apache License,
007 * Version 2.0 (the "License"); you may not use this file except in
008 * compliance with the License.  You may obtain a copy of the License at
009 *
010 *     http://www.apache.org/licenses/LICENSE-2.0
011 *
012 * Unless required by applicable law or agreed to in writing, software
013 * distributed under the License is distributed on an "AS IS" BASIS,
014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
015 * See the License for the specific language governing permissions and
016 * limitations under the License.
017 */
018package org.fcrepo.persistence.ocfl.api;
019
020
021/**
022 * An interface representing index rebuilding capabilities. Any index state that can be derived from the underlying OCFL
023 * repository must be regenerated by the implementing class.
024 *
025 * repository
026 * @author dbernstein
027 * @since 6.0.0
028 */
029public interface IndexBuilder {
030
031    /**
032     * Rebuilds the index only when the existing index is not populated.
033     */
034    void rebuildIfNecessary();
035
036}
037