/* 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;
/** Matcher for a PhraseQuery.
*/
class Lucy::Search::PhraseMatcher inherits Lucy::Search::Matcher {
int32_t doc_id;
uint32_t num_elements;
Similarity *sim;
PostingList **plists;
ByteBuf *anchor_set;
float phrase_freq;
float phrase_boost;
Compiler *compiler;
float weight;
bool first_time;
bool more;
inert incremented PhraseMatcher*
new(Similarity *similarity, Vector *posting_lists, Compiler *compiler);
inert PhraseMatcher*
init(PhraseMatcher *self, Similarity *similarity, Vector *posting_lists,
Compiler *compiler);
public void
Destroy(PhraseMatcher *self);
public int32_t
Next(PhraseMatcher *self);
public int32_t
Advance(PhraseMatcher *self, int32_t target);
public int32_t
Get_Doc_ID(PhraseMatcher *self);
public float
Score(PhraseMatcher *self);
/** Calculate how often the phrase occurs in the current document.
*/
float
Calc_Phrase_Freq(PhraseMatcher *self);
}