lucene-java-3.5.0/lucene/contrib/spatial/src/test/org/apache/lucene/spatial/tier/TestDistance.java

   1 /**
   2  * Licensed to the Apache Software Foundation (ASF) under one or more
   3  * contributor license agreements.  See the NOTICE file distributed with
   4  * this work for additional information regarding copyright ownership.
   5  * The ASF licenses this file to You under the Apache License, Version 2.0
   6  * (the "License"); you may not use this file except in compliance with
   7  * the License.  You may obtain a copy of the License at
   8  *
   9  *     http://www.apache.org/licenses/LICENSE-2.0
  10  *
  11  * Unless required by applicable law or agreed to in writing, software
  12  * distributed under the License is distributed on an "AS IS" BASIS,
  13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  14  * See the License for the specific language governing permissions and
  15  * limitations under the License.
  16  */
  17 package org.apache.lucene.spatial.tier;
  18
  19 import java.io.IOException;
  20
  21 import org.apache.lucene.analysis.MockAnalyzer;
  22 import org.apache.lucene.analysis.WhitespaceAnalyzer;
  23 import org.apache.lucene.document.Document;
  24 import org.apache.lucene.document.Field;
  25 import org.apache.lucene.index.IndexWriter;
  26 import org.apache.lucene.index.Term;
  27 import org.apache.lucene.index.IndexReader;
  28 import org.apache.lucene.search.QueryWrapperFilter;
  29 import org.apache.lucene.search.MatchAllDocsQuery;
  30 import org.apache.lucene.util.LuceneTestCase;
  31 import org.apache.lucene.util.NumericUtils;
  32 import org.apache.lucene.store.Directory;
  33
  34 public class TestDistance extends LuceneTestCase {
  35
  36   private Directory directory;
  37   // reston va
  38   private double lat = 38.969398;
  39   private double lng= -77.386398;
  40   private String latField = "lat";
  41   private String lngField = "lng";
  42   private IndexWriter writer;
  43
  44   @Override
  45   public void setUp() throws Exception {
  46     super.setUp();
  47     directory = newDirectory();
  48     writer = new IndexWriter(directory, newIndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(random)));
  49     addData(writer);
  50
  51   }
  52
  53   @Override
  54   public void tearDown() throws Exception {
  55     writer.close();
  56     directory.close();
  57     super.tearDown();
  58   }
  59
  60   private void addPoint(IndexWriter writer, String name, double lat, double lng) throws IOException{
  61
  62     Document doc = new Document();
  63
  64     doc.add(newField("name", name,Field.Store.YES, Field.Index.ANALYZED));
  65
  66     // convert the lat / long to lucene fields
  67     doc.add(new Field(latField, NumericUtils.doubleToPrefixCoded(lat),Field.Store.YES, Field.Index.NOT_ANALYZED));
  68     doc.add(new Field(lngField, NumericUtils.doubleToPrefixCoded(lng),Field.Store.YES, Field.Index.NOT_ANALYZED));
  69
  70     // add a default meta field to make searching all documents easy
  71     doc.add(newField("metafile", "doc",Field.Store.YES, Field.Index.ANALYZED));
  72     writer.addDocument(doc);
  73
  74   }
  75
  76
  77   private void addData(IndexWriter writer) throws IOException {
  78     addPoint(writer,"McCormick &amp; Schmick's Seafood Restaurant",38.9579000,-77.3572000);
  79     addPoint(writer,"Jimmy's Old Town Tavern",38.9690000,-77.3862000);
  80     addPoint(writer,"Ned Devine's",38.9510000,-77.4107000);
  81     addPoint(writer,"Old Brogue Irish Pub",38.9955000,-77.2884000);
  82     addPoint(writer,"Alf Laylah Wa Laylah",38.8956000,-77.4258000);
  83     addPoint(writer,"Sully's Restaurant &amp; Supper",38.9003000,-77.4467000);
  84     addPoint(writer,"TGIFriday",38.8725000,-77.3829000);
  85     addPoint(writer,"Potomac Swing Dance Club",38.9027000,-77.2639000);
  86     addPoint(writer,"White Tiger Restaurant",38.9027000,-77.2638000);
  87     addPoint(writer,"Jammin' Java",38.9039000,-77.2622000);
  88     addPoint(writer,"Potomac Swing Dance Club",38.9027000,-77.2639000);
  89     addPoint(writer,"WiseAcres Comedy Club",38.9248000,-77.2344000);
  90     addPoint(writer,"Glen Echo Spanish Ballroom",38.9691000,-77.1400000);
  91     addPoint(writer,"Whitlow's on Wilson",38.8889000,-77.0926000);
  92     addPoint(writer,"Iota Club and Cafe",38.8890000,-77.0923000);
  93     addPoint(writer,"Hilton Washington Embassy Row",38.9103000,-77.0451000);
  94     addPoint(writer,"HorseFeathers, Bar & Grill", 39.01220000000001, -77.3942);
  95     writer.commit();
  96   }
  97
  98   public void testLatLongFilterOnDeletedDocs() throws Exception {
  99     writer.deleteDocuments(new Term("name", "Potomac"));
 100     IndexReader r = IndexReader.open(writer, true);
 101     LatLongDistanceFilter f = new LatLongDistanceFilter(new QueryWrapperFilter(new MatchAllDocsQuery()),
 102                                                         lat, lng, 1.0, latField, lngField);
 103
 104     IndexReader[] readers = r.getSequentialSubReaders();
 105     for(int i=0;i<readers.length;i++) {
 106       f.getDocIdSet(readers[i]);
 107     }
 108     r.close();
 109   }
 110
 111   /* these tests do not test anything, as no assertions:
 112   public void testMiles() {
 113     double LLM = DistanceUtils.getInstance().getLLMDistance(lat, lng,39.012200001, -77.3942);
 114     System.out.println(LLM);
 115     System.out.println("-->"+DistanceUtils.getInstance().getDistanceMi(lat, lng, 39.0122, -77.3942));
 116   }
 117
 118   public void testMiles2(){
 119     System.out.println("Test Miles 2");
 120     double LLM = DistanceUtils.getInstance().getLLMDistance(44.30073, -78.32131,43.687267, -79.39842);
 121     System.out.println(LLM);
 122     System.out.println("-->"+DistanceUtils.getInstance().getDistanceMi(44.30073, -78.32131, 43.687267, -79.39842));
 123
 124   }
 125   */
 126
 127 //  public void testDistanceQueryCacheable() throws IOException {
 128 //
 129 //    // create two of the same distance queries
 130 //    double miles = 6.0;
 131 //    DistanceQuery dq1 = new DistanceQuery(lat, lng, miles, latField, lngField, true);
 132 //    DistanceQuery dq2 = new DistanceQuery(lat, lng, miles, latField, lngField, true);
 133 //
 134 //    /* ensure that they hash to the same code, which will cause a cache hit in solr */
 135 //    System.out.println("hash differences?");
 136 //    assertEquals(dq1.getQuery().hashCode(), dq2.getQuery().hashCode());
 137 //
 138 //    /* ensure that changing the radius makes a different hash code, creating a cache miss in solr */
 139 //    DistanceQuery widerQuery = new DistanceQuery(lat, lng, miles + 5.0, latField, lngField, false);
 140 //    assertTrue(dq1.getQuery().hashCode() != widerQuery.getQuery().hashCode());
 141 //  }
 142 }