| /* 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. |
| */ |
| |
| parcel Lucy; |
| |
| /** Collect top-sorting documents. |
| * |
| * A SortCollector sorts hits according to a SortSpec, keeping the highest |
| * ranking N documents in a priority queue. |
| */ |
| class Lucy::Search::Collector::SortCollector cnick SortColl |
| inherits Lucy::Search::Collector { |
| |
| uint32_t wanted; |
| uint32_t total_hits; |
| HitQueue *hit_q; |
| MatchDoc *bumped; |
| VArray *rules; |
| SortCache **sort_caches; |
| void **ord_arrays; |
| uint8_t *actions; |
| uint8_t *auto_actions; |
| uint8_t *derived_actions; |
| uint32_t num_rules; |
| uint32_t num_actions; |
| float bubble_score; |
| int32_t bubble_doc; |
| int32_t seg_doc_max; |
| bool_t need_score; |
| bool_t need_values; |
| |
| inert incremented SortCollector* |
| new(Schema *schema = NULL, SortSpec *sort_spec = NULL, uint32_t wanted); |
| |
| /** |
| * @param schema A Schema. Required if <code>sort_spec</code> provided. |
| * @param sort_spec A SortSpec. If NULL, sort by descending score first |
| * and ascending doc id second. |
| * @param wanted Maximum number of hits to collect. |
| */ |
| inert SortCollector* |
| init(SortCollector *self, Schema *schema = NULL, |
| SortSpec *sort_spec = NULL, uint32_t wanted); |
| |
| /** Keep highest ranking docs. |
| */ |
| public void |
| Collect(SortCollector *self, int32_t doc_id); |
| |
| /** Empty out the HitQueue and return an array of sorted MatchDocs. |
| */ |
| incremented VArray* |
| Pop_Match_Docs(SortCollector *self); |
| |
| /** Accessor for "total_hits" member, which tracks the number of times |
| * that Collect() was called. |
| */ |
| uint32_t |
| Get_Total_Hits(SortCollector *self); |
| |
| public void |
| Set_Reader(SortCollector *self, SegReader *reader); |
| |
| public bool_t |
| Need_Score(SortCollector *self); |
| |
| public void |
| Destroy(SortCollector *self); |
| } |
| |
| |