| /* |
| * 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.solr.client.solrj.response; |
| import java.util.LinkedHashMap; |
| import java.util.LinkedList; |
| import java.util.List; |
| import java.util.Map; |
| |
| import org.apache.solr.common.util.NamedList; |
| import org.apache.solr.common.util.SimpleOrderedMap; |
| |
| /** |
| * Encapsulates responses from the Suggester Component |
| */ |
| public class SuggesterResponse { |
| |
| private static final String SUGGESTIONS_NODE_NAME = "suggestions"; |
| private static final String TERM_NODE_NAME = "term"; |
| private static final String WEIGHT_NODE_NAME = "weight"; |
| private static final String PAYLOAD_NODE_NAME = "payload"; |
| |
| private final Map<String, List<Suggestion>> suggestionsPerDictionary = new LinkedHashMap<>(); |
| |
| /** |
| * Create a Map representing the suggest section of Solr's response. |
| */ |
| public SuggesterResponse(NamedList<NamedList<Object>> suggestInfo) { |
| for (Map.Entry<String, NamedList<Object>> entry : suggestInfo) { |
| final String suggesterName = entry.getKey(); |
| final NamedList suggestionsNode = (NamedList) entry.getValue().getVal(0); |
| parseSingleSuggester(suggesterName, suggestionsNode); |
| } |
| } |
| |
| /** |
| * Create from a Map representing the suggest section of Solr's response. |
| * |
| * @deprecated use {@link #SuggesterResponse(NamedList)} instead |
| */ |
| @SuppressWarnings({"unchecked", "rawtypes"}) |
| @Deprecated |
| public SuggesterResponse(Map<String, NamedList<Object>> suggestInfo) { |
| for (Map.Entry<String, NamedList<Object>> entry : suggestInfo.entrySet()) { |
| SimpleOrderedMap suggestionsNode = (SimpleOrderedMap) entry.getValue().getVal(0); |
| parseSingleSuggester(entry.getKey(), suggestionsNode); |
| } |
| } |
| |
| private void parseSingleSuggester(String suggesterName, NamedList suggestionsNode) { |
| List<SimpleOrderedMap> suggestionListToParse; |
| List<Suggestion> suggestionList = new LinkedList<>(); |
| if (suggestionsNode != null) { |
| |
| suggestionListToParse = (List<SimpleOrderedMap>) suggestionsNode.get(SUGGESTIONS_NODE_NAME); |
| for (SimpleOrderedMap suggestion : suggestionListToParse) { |
| String term = (String) suggestion.get(TERM_NODE_NAME); |
| long weight = (long) suggestion.get(WEIGHT_NODE_NAME); |
| String payload = (String) suggestion.get(PAYLOAD_NODE_NAME); |
| |
| Suggestion parsedSuggestion = new Suggestion(term, weight, payload); |
| suggestionList.add(parsedSuggestion); |
| } |
| suggestionsPerDictionary.put(suggesterName, suggestionList); |
| } |
| } |
| |
| /** |
| * get the suggestions provided by each |
| * |
| * @return a Map dictionary name : List of Suggestion |
| */ |
| public Map<String, List<Suggestion>> getSuggestions() { |
| return suggestionsPerDictionary; |
| } |
| |
| /** |
| * This getter is lazily initialized and returns a simplified map dictionary : List of suggested terms |
| * This is useful for simple use cases when you simply need the suggested terms and no weight or payload |
| * |
| * @return a Map dictionary name : List of suggested terms |
| */ |
| public Map<String, List<String>> getSuggestedTerms() { |
| Map<String, List<String>> suggestedTermsPerDictionary = new LinkedHashMap<>(); |
| for (Map.Entry<String, List<Suggestion>> entry : suggestionsPerDictionary.entrySet()) { |
| List<Suggestion> suggestions = entry.getValue(); |
| List<String> suggestionTerms = new LinkedList<String>(); |
| for (Suggestion s : suggestions) { |
| suggestionTerms.add(s.getTerm()); |
| } |
| suggestedTermsPerDictionary.put(entry.getKey(), suggestionTerms); |
| } |
| return suggestedTermsPerDictionary; |
| } |
| } |