| /* |
| * 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.Collection; |
| import java.util.Collections; |
| import java.util.List; |
| import java.util.Map; |
| |
| /** |
| * Class to hold the results of matching a batch of {@link org.apache.lucene.document.Document}s |
| * against queries held in the Monitor |
| * |
| * @param <T> the type of QueryMatch returned |
| */ |
| public class MultiMatchingQueries<T extends QueryMatch> { |
| |
| private final List<Map<String, T>> matches; |
| private final Map<String, Exception> errors; |
| |
| private final long queryBuildTime; |
| private final long searchTime; |
| private final int queriesRun; |
| private final int batchSize; |
| |
| MultiMatchingQueries(List<Map<String, T>> matches, Map<String, Exception> errors, |
| long queryBuildTime, long searchTime, int queriesRun, int batchSize) { |
| this.matches = Collections.unmodifiableList(matches); |
| this.errors = Collections.unmodifiableMap(errors); |
| this.queryBuildTime = queryBuildTime; |
| this.searchTime = searchTime; |
| this.queriesRun = queriesRun; |
| this.batchSize = batchSize; |
| } |
| |
| /** |
| * Returns the QueryMatch for the given query and document, or null if it did not match |
| * |
| * @param queryId the query id |
| * @param docId the doc id |
| * @return the QueryMatch for the given query and document, or null if it did not match |
| */ |
| public T matches(String queryId, int docId) { |
| Map<String, T> docMatches = matches.get(docId); |
| if (docMatches == null) |
| return null; |
| return docMatches.get(queryId); |
| } |
| |
| /** |
| * @param docId document id to check |
| * @return all matches for a particular document |
| */ |
| public Collection<T> getMatches(int docId) { |
| return matches.get(docId).values(); |
| } |
| |
| /** |
| * @param docId document id to check |
| * @return the number of queries that matched for a given document |
| */ |
| public int getMatchCount(int docId) { |
| Map<String, T> docMatches = matches.get(docId); |
| if (docMatches == null) |
| return 0; |
| return docMatches.size(); |
| } |
| |
| /** |
| * @return how long (in ms) it took to build the Presearcher query for the matcher run |
| */ |
| public long getQueryBuildTime() { |
| return queryBuildTime; |
| } |
| |
| /** |
| * @return how long (in ms) it took to run the selected queries |
| */ |
| public long getSearchTime() { |
| return searchTime; |
| } |
| |
| /** |
| * @return the number of queries passed to this CandidateMatcher during the matcher run |
| */ |
| public int getQueriesRun() { |
| return queriesRun; |
| } |
| |
| /** |
| * @return the number of documents in the batch |
| */ |
| public int getBatchSize() { |
| return batchSize; |
| } |
| |
| /** |
| * @return a List of any MatchErrors created during the matcher run |
| */ |
| public Map<String, Exception> getErrors() { |
| return errors; |
| } |
| |
| MatchingQueries<T> singleton() { |
| assert matches.size() == 1; |
| return new MatchingQueries<>(matches.get(0), errors, queryBuildTime, searchTime, queriesRun); |
| } |
| } |