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Lucene example source code file (DocumentsWriterThreadState.java)

This example Lucene source code file (DocumentsWriterThreadState.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

docconsumerperthread, docconsumerperthread, documentswriter, documentswriterthreadstate, documentswriterthreadstate, io, ioexception, ioexception, number, number

The Lucene DocumentsWriterThreadState.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;

/** Used by DocumentsWriter to maintain per-thread state.
 *  We keep a separate Posting hash and other state for each
 *  thread and then merge postings hashes from all threads
 *  when writing the segment. */
final class DocumentsWriterThreadState {

  boolean isIdle = true;                          // false if this is currently in use by a thread
  int numThreads = 1;                             // Number of threads that share this instance
  final DocConsumerPerThread consumer;
  final DocumentsWriter.DocState docState;

  final DocumentsWriter docWriter;

  public DocumentsWriterThreadState(DocumentsWriter docWriter) throws IOException {
    this.docWriter = docWriter;
    docState = new DocumentsWriter.DocState();
    docState.maxFieldLength = docWriter.maxFieldLength;
    docState.infoStream = docWriter.infoStream;
    docState.similarity = docWriter.similarity;
    docState.docWriter = docWriter;
    consumer = docWriter.consumer.addThread(this);

  void doAfterFlush() {
    numThreads = 0;

Other Lucene examples (source code examples)

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