| /* |
| * 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. |
| */ |
| |
| package org.apache.jackrabbit.oak.plugins.index.lucene; |
| |
| import java.util.Collection; |
| import java.util.function.Predicate; |
| |
| import org.apache.jackrabbit.oak.plugins.index.search.IndexFormatVersion; |
| import org.apache.jackrabbit.oak.plugins.index.search.IndexLookup; |
| import org.apache.jackrabbit.oak.spi.query.Filter; |
| import org.apache.jackrabbit.oak.spi.state.NodeState; |
| |
| import static org.apache.jackrabbit.oak.plugins.index.IndexConstants.TYPE_PROPERTY_NAME; |
| import static org.apache.jackrabbit.oak.plugins.index.lucene.LuceneIndexConstants.TYPE_LUCENE; |
| |
| class LuceneIndexLookupUtil { |
| static final Predicate<NodeState> LUCENE_INDEX_DEFINITION_PREDICATE = |
| state -> TYPE_LUCENE.equals(state.getString(TYPE_PROPERTY_NAME)); |
| |
| private LuceneIndexLookupUtil() { |
| } |
| |
| /** |
| * Returns the path of the first Lucene index node which supports |
| * fulltext search |
| */ |
| public static String getOldFullTextIndexPath(NodeState root, Filter filter, IndexTracker tracker) { |
| Collection<String> indexPaths = getLuceneIndexLookup(root).collectIndexNodePaths(filter, false); |
| LuceneIndexNode indexNode = null; |
| for (String path : indexPaths) { |
| try { |
| indexNode = tracker.acquireIndexNode(path); |
| if (indexNode != null |
| && indexNode.getDefinition().isFullTextEnabled() |
| && indexNode.getDefinition().getVersion() == IndexFormatVersion.V1) { |
| return path; |
| } |
| } finally { |
| if (indexNode != null) { |
| indexNode.release(); |
| } |
| } |
| } |
| return null; |
| } |
| |
| public static IndexLookup getLuceneIndexLookup(NodeState root) { |
| return new IndexLookup(root, LUCENE_INDEX_DEFINITION_PREDICATE); |
| } |
| } |