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Apache Solr (module: core)
/*
* 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.spelling.suggest;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
import org.apache.lucene.search.suggest.Lookup.LookupResult;
/** Encapsulates the results returned by the suggester in {@link SolrSuggester} */
public class SuggesterResult {
public SuggesterResult() {}
/** token -> lookup results mapping */
private Map>> suggestionsMap = new HashMap<>();
/** Add suggestion results for token
*/
public void add(String suggesterName, String token, List results) {
Map> suggesterRes = this.suggestionsMap.get(suggesterName);
if (suggesterRes == null) {
this.suggestionsMap.put(suggesterName, new HashMap>());
}
List res = this.suggestionsMap.get(suggesterName).get(token);
if (res == null) {
res = results;
this.suggestionsMap.get(suggesterName).put(token, res);
}
}
/**
* Get a list of lookup result for a given token
null can be returned, if there are
* no lookup results for the token
*/
public List getLookupResult(String suggesterName, String token) {
return (this.suggestionsMap.containsKey(suggesterName))
? this.suggestionsMap.get(suggesterName).get(token)
: new ArrayList();
}
/** Get the set of tokens that are present in the instance */
public Set getTokens(String suggesterName) {
return (this.suggestionsMap.containsKey(suggesterName))
? this.suggestionsMap.get(suggesterName).keySet()
: new HashSet();
}
/** Get the set of suggesterNames for which this instance holds results */
public Set getSuggesterNames() {
return this.suggestionsMap.keySet();
}
}