/* 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;

/** Concatenates multiple Matcher iterators.
 */
class Lucy::Search::SeriesMatcher inherits Lucy::Search::Matcher {

    I32Array  *offsets;
    VArray    *matchers;
    Matcher   *current_matcher;
    int32_t    doc_id;
    int32_t    tick;
    int32_t    num_matchers;
    int32_t    current_offset;
    int32_t    next_offset;

    public inert incremented SeriesMatcher*
    new(VArray *matchers, I32Array *offsets);

    public inert SeriesMatcher*
    init(SeriesMatcher *self, VArray *matchers, I32Array *offsets);

    public int32_t
    Next(SeriesMatcher *self);

    public int32_t
    Advance(SeriesMatcher *self, int32_t target);

    public int32_t
    Get_Doc_ID(SeriesMatcher *self);

    public void
    Destroy(SeriesMatcher *self);
}