@Transient
@Field
@FieldBridge(impl = SpatialFieldBridgeByRange.class)
public Coordinates getLocation() {
if (latitude == null || longitude == null) {
return null;
}
Coordinates point = Point.fromDegrees(latitude, longitude);
return point;
}
/**
* Actual overridden method that does the indexing
*
* @param name of the field
* @param value of the field
* @param document document being indexed
* @param luceneOptions current indexing options and accessors
*/
@Override
public void set(String name, Object value, Document document, LuceneOptions luceneOptions) {
if (value != null) {
Double latitude = getLatitude(value);
Double longitude = getLongitude(value);
if ((latitude != null) && (longitude != null)) {
if (spatialHashIndex) {
Point point = Point.fromDegrees(latitude, longitude);
for (int i = topSpatialHashLevel; i <= bottomSpatialHashLevel; i++) {
luceneOptions.addFieldToDocument(
SpatialHelper.formatFieldName(i, name),
SpatialHelper.getSpatialHashCellId(point, i),
document);
}
}
if (numericFieldsIndex) {
final String latitudeFieldName = SpatialHelper.formatLatitude(name);
final String longitudeFieldName = SpatialHelper.formatLongitude(name);
luceneOptions.addNumericFieldToDocument(latitudeFieldName, latitude, document);
luceneOptions.addNumericFieldToDocument(longitudeFieldName, longitude, document);
Field latitudeDocValuesField =
new SpatialNumericDocValueField(latitudeFieldName, latitude);
document.add(latitudeDocValuesField);
Field longitudeDocValuesField =
new SpatialNumericDocValueField(longitudeFieldName, longitude);
document.add(longitudeDocValuesField);
}
}
}
}
@Test
public void testSpatialQueries() {
Transaction transaction = fullTextSession.beginTransaction();
final QueryBuilder builder =
fullTextSession.getSearchFactory().buildQueryBuilder().forEntity(POI.class).get();
Coordinates coordinates = Point.fromDegrees(24d, 31.5d);
Query query =
builder
.spatial()
.onField("location")
.within(51, Unit.KM)
.ofCoordinates(coordinates)
.createQuery();
List<?> results = fullTextSession.createFullTextQuery(query, POI.class).list();
assertEquals("test spatial hash based spatial query", 1, results.size());
assertEquals("test spatial hash based spatial query", "Bozo", ((POI) results.get(0)).getName());
query =
builder
.spatial()
.onField("location")
.within(500, Unit.KM)
.ofLatitude(48.858333d)
.andLongitude(2.294444d)
.createQuery();
results = fullTextSession.createFullTextQuery(query, POI.class).list();
assertEquals("test spatial hash based spatial query", 1, results.size());
assertEquals(
"test spatial hash based spatial query", "Tour Eiffel", ((POI) results.get(0)).getName());
transaction.commit();
}
public static void FacetTest() {
Session session = null;
FullTextSession fullTextSession = null;
SessionFactory sessionFactory = null;
try {
sessionFactory =
new Configuration().configure(hibernateConfigurationFile).buildSessionFactory();
session = sessionFactory.openSession();
session.beginTransaction();
fullTextSession = Search.getFullTextSession(session);
org.apache.lucene.search.Query luceneQuery;
FullTextQuery hibQuery;
Point center = Point.fromDegrees(46, 4);
double radius = 50.0d;
luceneQuery =
SpatialQueryBuilderFromPoint.buildSpatialQueryByGrid(center, radius, "location");
hibQuery = fullTextSession.createFullTextQuery(luceneQuery, POI.class);
hibQuery.setProjection("id", "name", "type");
FacetManager facetManager = hibQuery.getFacetManager();
QueryBuilder queryBuilder =
fullTextSession.getSearchFactory().buildQueryBuilder().forEntity(POI.class).get();
FacetingRequest facetingRequest =
queryBuilder
.facet()
.name("typeFacet")
.onField("type")
.discrete()
.orderedBy(FacetSortOrder.COUNT_DESC)
.includeZeroCounts(false)
.createFacetingRequest();
facetManager.enableFaceting(facetingRequest);
Integer size = hibQuery.getResultSize();
List list = hibQuery.list();
List<Facet> facets = facetManager.getFacets("typeFacet");
System.out.println(facets);
session.getTransaction().commit();
session.close();
sessionFactory.close();
} catch (Exception e) {
e.printStackTrace();
} finally {
if (fullTextSession != null && fullTextSession.isOpen()) {
Transaction transaction = fullTextSession.getTransaction();
if (transaction != null && transaction.isActive()) {
transaction.rollback();
}
fullTextSession.close();
}
if (sessionFactory != null && !sessionFactory.isClosed()) {
sessionFactory.close();
}
}
}
public static void Bench() {
Session session = null;
FullTextSession fullTextSession = null;
SessionFactory sessionFactory = null;
try {
sessionFactory =
new Configuration().configure(hibernateConfigurationFile).buildSessionFactory();
session = sessionFactory.openSession();
session.beginTransaction();
fullTextSession = Search.getFullTextSession(session);
long gridTotalDuration = 0;
long spatialTotalDuration = 0;
long doubleRangeTotalDuration = 0;
long distanceDoubleRangeTotalDuration = 0;
long gridDocsFetched = 0;
long spatialDocsFetched = 0;
long doubleRangeDocsFetched = 0;
long distanceDoubleRangeDocsFetched = 0;
org.apache.lucene.search.Query luceneQuery;
long startTime, endTime, duration;
FullTextQuery hibQuery;
List gridResults, rangeResults;
final QueryBuilder queryBuilder =
fullTextSession.getSearchFactory().buildQueryBuilder().forEntity(POI.class).get();
org.apache.lucene.search.Query query;
final Integer iterations = 2000;
final Integer warmUp = 50;
Random random = new Random(42);
for (int i = 0; i < iterations; i++) {
Point center = Point.fromDegrees(random.nextDouble() * 2 + 44, random.nextDouble() * 2 + 3);
double radius = 25.0d;
Rectangle boundingBox = Rectangle.fromBoundingCircle(center, radius);
query =
queryBuilder
.bool()
.must(
queryBuilder
.range()
.onField("latitude")
.from(boundingBox.getLowerLeft().getLatitude())
.to(boundingBox.getUpperRight().getLatitude())
.createQuery())
.must(
queryBuilder
.range()
.onField("longitude")
.from(boundingBox.getLowerLeft().getLongitude())
.to(boundingBox.getUpperRight().getLongitude())
.createQuery())
.createQuery();
hibQuery = fullTextSession.createFullTextQuery(query, POI.class);
hibQuery.setProjection("id", "name");
startTime = System.nanoTime();
try {
doubleRangeDocsFetched += hibQuery.getResultSize();
} finally {
endTime = System.nanoTime();
}
duration = endTime - startTime;
if (i > warmUp) {
doubleRangeTotalDuration += duration;
}
session.clear();
query =
queryBuilder
.bool()
.must(
queryBuilder
.range()
.onField("latitude")
.from(boundingBox.getLowerLeft().getLatitude())
.to(boundingBox.getUpperRight().getLatitude())
.createQuery())
.must(
queryBuilder
.range()
.onField("longitude")
.from(boundingBox.getLowerLeft().getLongitude())
.to(boundingBox.getUpperRight().getLongitude())
.createQuery())
.createQuery();
org.apache.lucene.search.Query filteredQuery =
new ConstantScoreQuery(
SpatialQueryBuilderFromPoint.buildDistanceFilter(
new QueryWrapperFilter(query), center, radius, "location"));
hibQuery = fullTextSession.createFullTextQuery(filteredQuery, POI.class);
hibQuery.setProjection("id", "name");
startTime = System.nanoTime();
try {
distanceDoubleRangeDocsFetched += hibQuery.getResultSize();
} finally {
endTime = System.nanoTime();
}
duration = endTime - startTime;
if (i > warmUp) {
distanceDoubleRangeTotalDuration += duration;
}
rangeResults = hibQuery.list();
session.clear();
luceneQuery = SpatialQueryBuilderFromPoint.buildGridQuery(center, radius, "location");
hibQuery = fullTextSession.createFullTextQuery(luceneQuery, POI.class);
hibQuery.setProjection("id", "name");
startTime = System.nanoTime();
try {
gridDocsFetched += hibQuery.getResultSize();
} finally {
endTime = System.nanoTime();
}
duration = endTime - startTime;
if (i > warmUp) {
gridTotalDuration += duration;
}
session.clear();
luceneQuery =
SpatialQueryBuilderFromPoint.buildSpatialQueryByGrid(center, radius, "location");
hibQuery = fullTextSession.createFullTextQuery(luceneQuery, POI.class);
hibQuery.setProjection("id", "name");
startTime = System.nanoTime();
try {
spatialDocsFetched += hibQuery.getResultSize();
} finally {
endTime = System.nanoTime();
}
duration = endTime - startTime;
if (i > warmUp) {
spatialTotalDuration += duration;
}
gridResults = hibQuery.list();
session.clear();
if (rangeResults.size() != gridResults.size()) {
luceneQuery = SpatialQueryBuilderFromPoint.buildDistanceQuery(center, radius, "location");
hibQuery = fullTextSession.createFullTextQuery(luceneQuery, POI.class);
hibQuery.setProjection("id", "name");
System.out.println(
">>>>> Different numbers of documents fetched for point ("
+ Double.toString(center.getLatitude())
+ ","
+ Double.toString(center.getLongitude())
+ ") and radius "
+ Double.toString(radius));
System.out.println("Range results : " + rangeResults);
System.out.println("Grid results : " + gridResults);
System.out.println("Pure distance results : " + hibQuery.getResultSize());
List<Integer> rangeIds = new ArrayList<Integer>();
for (int index = 0; index < rangeResults.size(); index++) {
rangeIds.add((Integer) ((Object[]) rangeResults.get(index))[0]);
}
List<Integer> gridIds = new ArrayList<Integer>();
for (int index = 0; index < gridResults.size(); index++) {
gridIds.add((Integer) ((Object[]) gridResults.get(index))[0]);
}
rangeIds.removeAll(gridIds);
System.out.println("Missing Ids : " + rangeIds);
}
}
session.getTransaction().commit();
session.close();
sessionFactory.close();
System.out.println(
"Mean time with Grid : "
+ Double.toString(
(double) gridTotalDuration * Math.pow(10, -6) / (iterations - warmUp))
+ " ms. Average number of docs fetched : "
+ Double.toString(gridDocsFetched / ((iterations - warmUp) * 1.0d)));
System.out.println(
"Mean time with Grid + Distance filter : "
+ Double.toString(
(double) spatialTotalDuration * Math.pow(10, -6) / (iterations - warmUp))
+ " ms. Average number of docs fetched : "
+ Double.toString(spatialDocsFetched / ((iterations - warmUp) * 1.0d)));
System.out.println(
"Mean time with DoubleRange : "
+ Double.toString(
(double) doubleRangeTotalDuration * Math.pow(10, -6) / (iterations - warmUp))
+ " ms. Average number of docs fetched : "
+ Double.toString(doubleRangeDocsFetched / ((iterations - warmUp) * 1.0d)));
System.out.println(
"Mean time with DoubleRange + Distance filter : "
+ Double.toString(
(double) distanceDoubleRangeTotalDuration
* Math.pow(10, -6)
/ (iterations - warmUp))
+ " ms. Average number of docs fetched : "
+ Double.toString(distanceDoubleRangeDocsFetched / ((iterations - warmUp) * 1.0d)));
} catch (Exception e) {
e.printStackTrace();
} finally {
if (fullTextSession != null && fullTextSession.isOpen()) {
Transaction transaction = fullTextSession.getTransaction();
if (transaction != null && transaction.isActive()) {
transaction.rollback();
}
fullTextSession.close();
}
if (sessionFactory != null && !sessionFactory.isClosed()) {
sessionFactory.close();
}
}
}