| /* |
| * 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. |
| */ |
| package org.apache.lucene.search; |
| |
| import java.io.IOException; |
| import java.util.List; |
| import java.util.Random; |
| import java.util.concurrent.ExecutorService; |
| |
| import org.apache.lucene.index.IndexReader; |
| import org.apache.lucene.index.IndexReaderContext; |
| import org.apache.lucene.index.LeafReaderContext; |
| |
| /** |
| * Helper class that adds some extra checks to ensure correct |
| * usage of {@code IndexSearcher} and {@code Weight}. |
| */ |
| public class AssertingIndexSearcher extends IndexSearcher { |
| final Random random; |
| public AssertingIndexSearcher(Random random, IndexReader r) { |
| super(r); |
| this.random = new Random(random.nextLong()); |
| } |
| |
| public AssertingIndexSearcher(Random random, IndexReaderContext context) { |
| super(context); |
| this.random = new Random(random.nextLong()); |
| } |
| |
| public AssertingIndexSearcher(Random random, IndexReader r, ExecutorService ex) { |
| super(r, ex); |
| this.random = new Random(random.nextLong()); |
| } |
| |
| public AssertingIndexSearcher(Random random, IndexReaderContext context, ExecutorService ex) { |
| super(context, ex); |
| this.random = new Random(random.nextLong()); |
| } |
| |
| @Override |
| public Weight createWeight(Query query, ScoreMode scoreMode, float boost) throws IOException { |
| // this adds assertions to the inner weights/scorers too |
| return new AssertingWeight(random, super.createWeight(query, scoreMode, boost), scoreMode); |
| } |
| |
| @Override |
| public Query rewrite(Query original) throws IOException { |
| // TODO: use the more sophisticated QueryUtils.check sometimes! |
| QueryUtils.check(original); |
| Query rewritten = super.rewrite(original); |
| QueryUtils.check(rewritten); |
| return rewritten; |
| } |
| |
| @Override |
| protected void search(List<LeafReaderContext> leaves, Weight weight, Collector collector) throws IOException { |
| assert weight instanceof AssertingWeight; |
| super.search(leaves, weight, AssertingCollector.wrap(collector)); |
| } |
| |
| @Override |
| public String toString() { |
| return "AssertingIndexSearcher(" + super.toString() + ")"; |
| } |
| |
| } |