+++ /dev/null
-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.util.concurrent.ExecutorService;
-import java.io.IOException;
-
-import org.apache.lucene.index.IndexReader;
-
-/**
- * Helper class that adds some extra checks to ensure correct
- * usage of {@code IndexSearcher} and {@code Weight}.
- * TODO: Extend this by more checks, that's just a start.
- */
-public class AssertingIndexSearcher extends IndexSearcher {
- public AssertingIndexSearcher(IndexReader r) {
- super(r);
- }
-
- public AssertingIndexSearcher(IndexReader r, ExecutorService ex) {
- super(r, ex);
- }
-
- // not anonymous because else not serializable (compare trunk)
- private static final class UnmodifiableWeight extends Weight {
- private final Weight w;
-
- UnmodifiableWeight(Weight w) {
- this.w = w;
- }
-
- @Override
- public Explanation explain(IndexReader reader, int doc) throws IOException {
- return w.explain(reader, doc);
- }
-
- @Override
- public Query getQuery() {
- return w.getQuery();
- }
-
- @Override
- public float getValue() {
- return w.getValue();
- }
-
- @Override
- public void normalize(float norm) {
- throw new IllegalStateException("Weight already normalized.");
- }
-
- @Override
- public Scorer scorer(IndexReader reader, boolean scoreDocsInOrder, boolean topScorer) throws IOException {
- return w.scorer(reader, scoreDocsInOrder, topScorer);
- }
-
- @Override
- public float sumOfSquaredWeights() throws IOException {
- throw new IllegalStateException("Weight already normalized.");
- }
-
- @Override
- public boolean scoresDocsOutOfOrder() {
- return w.scoresDocsOutOfOrder();
- }
- }
-
- /** Ensures, that the returned {@code Weight} is not normalized again, which may produce wrong scores. */
- @Override
- public Weight createNormalizedWeight(Query query) throws IOException {
- final Weight w = super.createNormalizedWeight(query);
- return new UnmodifiableWeight(w);
- }
-}