+++ /dev/null
-package org.apache.lucene.index;
-
-/**
- * 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;
-
-/** <p>Expert: {@link IndexWriter} uses an instance
- * implementing this interface to execute the merges
- * selected by a {@link MergePolicy}. The default
- * MergeScheduler is {@link ConcurrentMergeScheduler}.</p>
- *
- * @lucene.experimental
-*/
-public abstract class MergeScheduler {
-
- /** Run the merges provided by {@link IndexWriter#getNextMerge()}. */
- public abstract void merge(IndexWriter writer)
- throws CorruptIndexException, IOException;
-
- /** Close this MergeScheduler. */
- public abstract void close()
- throws CorruptIndexException, IOException;
-}