| /* 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; |
| |
| /** Read postings data. |
| * |
| * PostingListReaders produce L<PostingList|Lucy::Index::PostingList> |
| * objects which convey document matching information. |
| */ |
| class Lucy::Index::PostingListReader cnick PListReader |
| inherits Lucy::Index::DataReader { |
| |
| inert PostingListReader* |
| init(PostingListReader *self, Schema *schema = NULL, |
| Folder *folder = NULL, Snapshot *snapshot = NULL, |
| VArray *segments = NULL, int32_t seg_tick = -1); |
| |
| /** Returns a PostingList, or NULL if either <code>field</code> is NULL or |
| * <code>field</code> is not present in any documents. |
| * |
| * @param field A field name. |
| * @param term If supplied, the PostingList will be pre-located to this |
| * term using Seek(). |
| */ |
| public abstract incremented nullable PostingList* |
| Posting_List(PostingListReader *self, const CharBuf *field = NULL, |
| Obj *term = NULL); |
| |
| abstract LexiconReader* |
| Get_Lex_Reader(PostingListReader *self); |
| |
| /** Returns NULL since PostingLists may only be iterated at the segment |
| * level. |
| */ |
| public incremented nullable PostingListReader* |
| Aggregator(PostingListReader *self, VArray *readers, I32Array *offsets); |
| } |
| |
| class Lucy::Index::DefaultPostingListReader cnick DefPListReader |
| inherits Lucy::Index::PostingListReader { |
| |
| LexiconReader *lex_reader; |
| |
| inert incremented DefaultPostingListReader* |
| new(Schema *schema, Folder *folder, Snapshot *snapshot, VArray *segments, |
| int32_t seg_tick, LexiconReader *lex_reader); |
| |
| inert DefaultPostingListReader* |
| init(DefaultPostingListReader *self, Schema *schema, Folder *folder, |
| Snapshot *snapshot, VArray *segments, int32_t seg_tick, |
| LexiconReader *lex_reader); |
| |
| public incremented nullable SegPostingList* |
| Posting_List(DefaultPostingListReader *self, const CharBuf *field = NULL, |
| Obj *term = NULL); |
| |
| LexiconReader* |
| Get_Lex_Reader(DefaultPostingListReader *self); |
| |
| public void |
| Close(DefaultPostingListReader *self); |
| |
| public void |
| Destroy(DefaultPostingListReader *self); |
| } |
| |
| |