package org.apache.lucene.spatial.prefix;
/*
* 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.
*/
import com.spatial4j.core.context.SpatialContextFactory;
import com.spatial4j.core.shape.Point;
import com.spatial4j.core.shape.Shape;
import org.apache.lucene.document.Document;
import org.apache.lucene.document.Field;
import org.apache.lucene.document.Field.Store;
import org.apache.lucene.document.TextField;
import org.apache.lucene.search.Query;
import org.apache.lucene.search.ScoreDoc;
import org.apache.lucene.search.TopDocs;
import org.apache.lucene.spatial.StrategyTestCase;
import org.apache.lucene.spatial.prefix.tree.GeohashPrefixTree;
import org.apache.lucene.spatial.prefix.tree.QuadPrefixTree;
import org.apache.lucene.spatial.prefix.tree.SpatialPrefixTree;
import org.apache.lucene.spatial.query.SpatialArgs;
import org.apache.lucene.spatial.query.SpatialOperation;
import org.junit.Test;
import java.io.IOException;
import java.util.HashMap;
public class JtsPolygonTest extends StrategyTestCase {
private static final double LUCENE_4464_distErrPct = SpatialArgs.DEFAULT_DISTERRPCT;//DEFAULT 2.5%
public JtsPolygonTest() {
try {
HashMap<String, String> args = new HashMap<String, String>();
args.put("spatialContextFactory",
"com.spatial4j.core.context.jts.JtsSpatialContextFactory");
ctx = SpatialContextFactory.makeSpatialContext(args, getClass().getClassLoader());
} catch (NoClassDefFoundError e) {
assumeTrue("This test requires JTS jar: "+e, false);
}
GeohashPrefixTree grid = new GeohashPrefixTree(ctx, 11);//< 1 meter == 11 maxLevels
this.strategy = new RecursivePrefixTreeStrategy(grid, getClass().getSimpleName());
((RecursivePrefixTreeStrategy)this.strategy).setDistErrPct(LUCENE_4464_distErrPct);//1% radius (small!)
}
@Test
/** LUCENE-4464 */
public void testCloseButNoMatch() throws IOException {
getAddAndVerifyIndexedDocuments("LUCENE-4464.txt");
SpatialArgs args = q(
"POLYGON((-93.18100824442227 45.25676372469945," +
"-93.23182001200654 45.21421290799412," +
"-93.16315546122038 45.23742639412364," +
"-93.18100824442227 45.25676372469945))",
LUCENE_4464_distErrPct);
SearchResults got = executeQuery(strategy.makeQuery(args), 100);
assertEquals(1, got.numFound);
assertEquals("poly2", got.results.get(0).document.get("id"));
//did not find poly 1 !
}
private SpatialArgs q(String shapeStr, double distErrPct) {
Shape shape = ctx.readShape(shapeStr);
SpatialArgs args = new SpatialArgs(SpatialOperation.Intersects, shape);
args.setDistErrPct(distErrPct);
return args;
}
/**
* A PrefixTree pruning optimization gone bad.
* See <a href="https://issues.apache.org/jira/browse/LUCENE-4770>LUCENE-4770</a>.
*/
@Test
public void testBadPrefixTreePrune() throws Exception {
Shape area = ctx.readShape("POLYGON((-122.83 48.57, -122.77 48.56, -122.79 48.53, -122.83 48.57))");
SpatialPrefixTree trie = new QuadPrefixTree(ctx, 12);
TermQueryPrefixTreeStrategy strategy = new TermQueryPrefixTreeStrategy(trie, "geo");
Document doc = new Document();
doc.add(new TextField("id", "1", Store.YES));
Field[] fields = strategy.createIndexableFields(area, 0.025);
for (Field field : fields) {
doc.add(field);
}
addDocument(doc);
Point upperleft = ctx.makePoint(-122.88, 48.54);
Point lowerright = ctx.makePoint(-122.82, 48.62);
Query query = strategy.makeQuery(new SpatialArgs(SpatialOperation.Intersects, ctx.makeRectangle(upperleft, lowerright)));
commit();
TopDocs search = indexSearcher.search(query, 10);
ScoreDoc[] scoreDocs = search.scoreDocs;
for (ScoreDoc scoreDoc : scoreDocs) {
System.out.println(indexSearcher.doc(scoreDoc.doc));
}
assertEquals(1, search.totalHits);
}
}