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Lucene example source code file (InvertedDocConsumerPerField.java)

This example Lucene source code file (InvertedDocConsumerPerField.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

inverteddocconsumerperfield, inverteddocconsumerperfield, io, ioexception, ioexception

The Lucene InvertedDocConsumerPerField.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;

import org.apache.lucene.document.Fieldable;

abstract class InvertedDocConsumerPerField {

  // Called once per field, and is given all Fieldable
  // occurrences for this field in the document.  Return
  // true if you wish to see inverted tokens for these
  // fields:
  abstract boolean start(Fieldable[] fields, int count) throws IOException;

  // Called before a field instance is being processed
  abstract void start(Fieldable field);
  // Called once per inverted token
  abstract void add() throws IOException;

  // Called once per field per document, after all Fieldable
  // occurrences are inverted
  abstract void finish() throws IOException;

  // Called on hitting an aborting exception
  abstract void abort();

Other Lucene examples (source code examples)

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

my book on functional programming


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