Lucene example source code file (MergeScheduler.java)

This example Lucene source code file (MergeScheduler.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Lucene tags/keywords

corruptindexexception, corruptindexexception, io, ioexception, ioexception, mergescheduler, mergescheduler

The Lucene MergeScheduler.java source code

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;
}