/* 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 a segment's sort caches. */ abstract class Lucy::Index::SortReader inherits Lucy::Index::DataReader { inert SortReader* init(SortReader *self, Schema *schema = NULL, Folder *folder = NULL, Snapshot *snapshot = NULL, VArray *segments = NULL, int32_t seg_tick = -1); abstract nullable SortCache* Fetch_Sort_Cache(SortReader *self, const CharBuf *field); /** Returns NULL, since multi-segment sort caches cannot be produced by * the default implementation. */ public incremented nullable DataReader* Aggregator(SortReader *self, VArray *readers, I32Array *offsets); } class Lucy::Index::DefaultSortReader cnick DefSortReader inherits Lucy::Index::SortReader { Hash *caches; Hash *counts; Hash *null_ords; Hash *ord_widths; int32_t format; inert incremented DefaultSortReader* new(Schema *schema, Folder *folder, Snapshot *snapshot, VArray *segments, int32_t seg_tick); inert DefaultSortReader* init(DefaultSortReader *self, Schema *schema, Folder *folder, Snapshot *snapshot, VArray *segments, int32_t seg_tick); nullable SortCache* Fetch_Sort_Cache(DefaultSortReader *self, const CharBuf *field); public void Close(DefaultSortReader *self); public void Destroy(DefaultSortReader *self); }