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Lucene example source code file (SerialMergeScheduler.java)

This example Lucene source code file (SerialMergeScheduler.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, override, override, serialmergescheduler

The Lucene SerialMergeScheduler.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,
 * See the License for the specific language governing permissions and
 * limitations under the License.

import java.io.IOException;

/** A {@link MergeScheduler} that simply does each merge
 *  sequentially, using the current thread. */
public class SerialMergeScheduler extends MergeScheduler {

  /** Just do the merges in sequence. We do this
   * "synchronized" so that even if the application is using
   * multiple threads, only one merge may run at a time. */
  synchronized public void merge(IndexWriter writer)
    throws CorruptIndexException, IOException {

    while(true) {
      MergePolicy.OneMerge merge = writer.getNextMerge();
      if (merge == null)

  public void close() {}

Other Lucene examples (source code examples)

Here is a short list of links related to this Lucene SerialMergeScheduler.java source code file:

my book on functional programming


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