| /* |
| * 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.solr.util; |
| |
| import java.lang.invoke.MethodHandles; |
| import org.apache.lucene.index.MergePolicy; |
| import org.apache.lucene.index.FilterMergePolicy; |
| import org.apache.lucene.util.LuceneTestCase; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| /** |
| * A {@link MergePolicy} with a no-arg constructor that proxies to an |
| * instance retrieved from {@link LuceneTestCase#newMergePolicy}. |
| * Solr tests utilizing the Lucene randomized test framework can refer |
| * to this class in solrconfig.xml to get a fully randomized merge policy. |
| */ |
| public class RandomMergePolicy extends FilterMergePolicy { |
| |
| private static final Logger log = LoggerFactory.getLogger(MethodHandles.lookup().lookupClass()); |
| |
| public RandomMergePolicy() { |
| this(LuceneTestCase.newMergePolicy()); |
| } |
| |
| protected RandomMergePolicy(MergePolicy inner) { |
| super(inner); |
| if (log.isInfoEnabled()) { |
| log.info("RandomMergePolicy wrapping {}: {}", inner.getClass(), inner); |
| } |
| } |
| |
| } |