Java tutorial
/* * 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, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express * or implied. See the License for the specific language governing permissions and limitations under * the License. */ package org.apache.geode_examples.luceneSpatial; import static org.junit.Assert.assertEquals; import java.io.IOException; import org.apache.lucene.document.Document; import org.apache.lucene.document.Field; import org.apache.lucene.document.TextField; import org.apache.lucene.index.IndexWriter; import org.apache.lucene.index.IndexWriterConfig; import org.apache.lucene.search.IndexSearcher; import org.apache.lucene.search.Query; import org.apache.lucene.search.SearcherManager; import org.apache.lucene.search.TopDocs; import org.apache.lucene.store.RAMDirectory; import org.junit.Test; public class SpatialHelperTest { @Test public void queryFindsADocumentThatWasAdded() throws IOException { // Create an in memory lucene index to add a document to RAMDirectory directory = new RAMDirectory(); IndexWriter writer = new IndexWriter(directory, new IndexWriterConfig()); // Add a document to the lucene index Document document = new Document(); document.add(new TextField("name", "name", Field.Store.YES)); Field[] fields = SpatialHelper.getIndexableFields(-122.8515139, 45.5099231); for (Field field : fields) { document.add(field); } writer.addDocument(document); writer.commit(); // Make sure a findWithin query locates the document Query query = SpatialHelper.findWithin(-122.8515239, 45.5099331, 1); SearcherManager searcherManager = new SearcherManager(writer, null); IndexSearcher searcher = searcherManager.acquire(); TopDocs results = searcher.search(query, 100); assertEquals(1, results.totalHits); } }