| /* |
| * 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.lucene.monitor; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.util.Map; |
| |
| import org.apache.lucene.search.Query; |
| |
| class QueryCacheEntry { |
| |
| /** |
| * The (possibly partial due to decomposition) query |
| */ |
| final Query matchQuery; |
| |
| /** |
| * The id of this query |
| */ |
| final String cacheId; |
| |
| /** |
| * The id of the MonitorQuery that produced this entry |
| * |
| * Note that this may be different to {@link #cacheId} due to decomposition |
| */ |
| final String queryId; |
| |
| /** |
| * The metadata from the entry's parent {@link MonitorQuery} |
| */ |
| final Map<String, String> metadata; |
| |
| private QueryCacheEntry(String cacheId, String queryId, Query matchQuery, Map<String, String> metadata) { |
| this.cacheId = cacheId; |
| this.queryId = queryId; |
| this.matchQuery = matchQuery; |
| this.metadata = metadata; |
| } |
| |
| static List<QueryCacheEntry> decompose(MonitorQuery mq, QueryDecomposer decomposer) { |
| int upto = 0; |
| List<QueryCacheEntry> cacheEntries = new ArrayList<>(); |
| for (Query subquery : decomposer.decompose(mq.getQuery())) { |
| cacheEntries.add(new QueryCacheEntry(mq.getId() + "_" + upto, mq.getId(), subquery, mq.getMetadata())); |
| upto++; |
| } |
| return cacheEntries; |
| } |
| |
| @Override |
| public String toString() { |
| return queryId + "/" + cacheId + "/" + matchQuery; |
| } |
| } |