home | career | drupal | java | mac | mysql | perl | scala | uml | unix  

Lucene example source code file (CartesianShapeFilter.java)

This example Lucene source code file (CartesianShapeFilter.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

cartesianshapefilter, cartesianshapefilter, docidset, filter, indexreader, io, ioexception, override, shape, shape, string, string, term, term, termdocs, util

The Lucene CartesianShapeFilter.java source code

 * 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.
package org.apache.lucene.spatial.tier;

import java.io.IOException;
import java.util.List;

import org.apache.lucene.index.IndexReader;
import org.apache.lucene.index.Term;
import org.apache.lucene.index.TermDocs;
import org.apache.lucene.search.Filter;
import org.apache.lucene.search.DocIdSet;
import org.apache.lucene.util.NumericUtils;
import org.apache.lucene.util.OpenBitSet;

 * <p>NOTE: This API is still in
 * flux and might change in incompatible ways in the next
 * release.</font>
public class CartesianShapeFilter extends Filter {
  private final Shape shape;
  private final String fieldName;
  CartesianShapeFilter(final Shape shape, final String fieldName){
    this.shape = shape;
    this.fieldName = fieldName;
  public DocIdSet getDocIdSet(final IndexReader reader) throws IOException {
    final OpenBitSet bits = new OpenBitSet(reader.maxDoc());
    final TermDocs termDocs = reader.termDocs();
    final List<Double> area = shape.getArea();
    int sz = area.size();
    final Term term = new Term(fieldName);
    // iterate through each boxid
    for (int i =0; i< sz; i++) {
      double boxId = area.get(i).doubleValue();
      // iterate through all documents
      // which have this boxId
      while (termDocs.next()) {
    return bits;

Other Lucene examples (source code examples)

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

my book on functional programming


new blog posts


Copyright 1998-2019 Alvin Alexander, alvinalexander.com
All Rights Reserved.

A percentage of advertising revenue from
pages under the /java/jwarehouse URI on this website is
paid back to open source projects.