| package org.apache.lucene.search; |
| |
| /* |
| * 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. |
| */ |
| |
| import java.io.IOException; |
| |
| /** This class is used to score a range of documents at |
| * once, and is returned by {@link Weight#bulkScorer}. Only |
| * queries that have a more optimized means of scoring |
| * across a range of documents need to override this. |
| * Otherwise, a default implementation is wrapped around |
| * the {@link Scorer} returned by {@link Weight#scorer}. */ |
| |
| public abstract class BulkScorer { |
| |
| /** Scores and collects all matching documents. |
| * @param collector The collector to which all matching documents are passed. |
| */ |
| public void score(Collector collector) throws IOException { |
| score(collector, Integer.MAX_VALUE); |
| } |
| |
| /** |
| * Collects matching documents in a range. |
| * |
| * @param collector The collector to which all matching documents are passed. |
| * @param max Score up to, but not including, this doc |
| * @return true if more matching documents may remain. |
| */ |
| public abstract boolean score(Collector collector, int max) throws IOException; |
| } |
