com.google.appengine.api.datastore.GeoPt Java Examples

The following examples show how to use com.google.appengine.api.datastore.GeoPt. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.

Example #1

Source File: PlacesHelper.java From MobileShoppingAssistant-sample with Apache License 2.0

6 votes

/**
 * Builds a new Place document to insert in the Places index.
 * @param placeId      the identifier of the place in the database.
 * @param placeName    the name of the place.
 * @param placeAddress the address of the place.
 * @param location     the GPS location of the place, as a GeoPt.
 * @return the Place document created.
 */
public static Document buildDocument(
        final Long placeId, final String placeName,
        final String placeAddress, final GeoPt location) {
    GeoPoint geoPoint = new GeoPoint(location.getLatitude(),
            location.getLongitude());

    Document.Builder builder = Document.newBuilder()
            .addField(Field.newBuilder().setName("id")
                    .setText(placeId.toString()))
            .addField(Field.newBuilder().setName("name").setText(placeName))
            .addField(Field.newBuilder().setName("address")
                    .setText(placeAddress))
            .addField(Field.newBuilder().setName("place_location")
                    .setGeoPoint(geoPoint));

    // geo-location doesn't work under dev_server, so let's add another
    // field to use for retrieving documents
    if (environment.value() == Development) {
        builder.addField(Field.newBuilder().setName("value").setNumber(1));
    }

    return builder.build();
}

Example #2

Source File: PlacesHelper.java From solutions-mobile-shopping-assistant-backend-java with Apache License 2.0

6 votes

static Document buildDocument(
    String placeId, String placeName, String placeAddress, GeoPt location) {
  GeoPoint geoPoint = new GeoPoint(location.getLatitude(), location.getLongitude());

  Document.Builder builder = Document.newBuilder()
      .addField(Field.newBuilder().setName("id").setText(placeId))
      .addField(Field.newBuilder().setName("name").setText(placeName))
      .addField(Field.newBuilder().setName("address").setText(placeAddress))
      .addField(Field.newBuilder().setName("place_location").setGeoPoint(geoPoint));

  // geo-location doesn't work under dev_server, so let's add another
  // field to use for retrieving documents
  if (environment.value() == Development) {
    builder.addField(Field.newBuilder().setName("value").setNumber(1));
  }

  Document place = builder.build();

  return place;
}

Example #3

Source File: IndexQueryTest.java From appengine-tck with Apache License 2.0

6 votes

@Before
public void addData() throws InterruptedException {
    Query query = new Query(kindName, rootKey);
    if (service.prepare(query).countEntities(fetchOption) == 0) {
        List<Entity> elist = new ArrayList<Entity>();
        for (int i = 0; i < count; i++) {
            Entity newRec = new Entity(kindName, rootKey);
            newRec.setProperty("stringData", "string test data " + i);
            newRec.setProperty("intData", 10 * i);
            newRec.setProperty("stringList", Arrays.asList("abc" + i, "xyz" + i, "abc" + i));
            newRec.setProperty("intList", Arrays.asList(i, 50 + i, 90 + i));
            newRec.setProperty("timestamp", new Date());
            newRec.setProperty("floatData", new Float(i + 0.1));
            newRec.setProperty("ratingData", new Rating(i + 20));
            newRec.setProperty("booleanData", true);
            newRec.setProperty("geoptData", new GeoPt((float) (i * 20 - 90), new Float(i * 30 - 179.1)));
            newRec.setProperty("byteStrProp", new ShortBlob(("shortblob" + (i * 30)).getBytes()));
            elist.add(newRec);
        }
        service.put(elist);
        sync(waitTime);
    }
}

Example #4

Source File: QueryTest.java From appengine-tck with Apache License 2.0

6 votes

@Test
public void testWithPropertyProjection() {
    Query query = new Query(kindName, rootKey);
    query.addProjection(new PropertyProjection("geoptData", GeoPt.class));
    Filter filter1 = Query.CompositeFilterOperator.or(
        Query.FilterOperator.LESS_THAN.of("intList", 5),
        Query.FilterOperator.GREATER_THAN.of("intList", 90));
    Filter filter2 = Query.FilterOperator.EQUAL.of("intList", 52);
    query.setFilter(Query.CompositeFilterOperator.and(filter1, filter2));
    // sql statement
    String sql = "SELECT geoptData FROM " + kindName;
    sql += " WHERE ((intList < 5 or intList > 90) AND intList = 52)";
    sql += " AND __ancestor__ is " + rootKey;
    assertEquals(sql.toLowerCase(), query.toString().toLowerCase());
    // check query result
    List<Entity> results = service.prepare(query).asList(fo);
    Assert.assertTrue(results.size() > 0);
    assertEquals(new GeoPt((float) (2.12), (float) (2.98)), results.get(0).getProperty("geoptData"));
    for (Entity e : results) {
        assertEquals(1, e.getProperties().size());
        assertTrue(e.getProperties().containsKey("geoptData"));
    }
}

Example #5

Source File: GeoPtDataTest.java From appengine-tck with Apache License 2.0

5 votes

@Test
public void testGets() throws Exception {
    Query query = new Query(kindName, rootKey);
    GeoPt filter = new GeoPt(Float.valueOf(60).floatValue(), Float.valueOf(145).floatValue());
    query.setFilter(new FilterPredicate(propertyName, Query.FilterOperator.EQUAL, filter));
    Entity entity = service.prepare(query).asSingleEntity();
    GeoPt geopt = (GeoPt) entity.getProperty(propertyName);
    assertTrue(geopt.equals(filter));
    assertEquals(Float.valueOf(geopt.getLatitude()).toString(), Float.valueOf(60).toString());
    assertEquals(Float.valueOf(geopt.getLongitude()).toString(), Float.valueOf(145).toString());
}

Example #6

Source File: GeoPtDataTest.java From appengine-tck with Apache License 2.0

5 votes

@Test
public void testGeoptType() {
    List<Entity> elist = doQuery(kindName, propertyName, GeoPt.class, true);
    GeoPt rate = (GeoPt) elist.get(0).getProperty(propertyName);
    GeoPt sameDat = (GeoPt) elist.get(0).getProperty(propertyName);
    GeoPt diffDat = (GeoPt) elist.get(1).getProperty(propertyName);
    assertTrue(rate.equals(sameDat));
    assertFalse(rate.equals(diffDat));
    assertEquals(-12, rate.getLatitude(), 0);
    assertEquals(120, rate.getLongitude(), 0);
    assertEquals(0, rate.compareTo(sameDat));
    assertTrue(rate.compareTo(diffDat) != 0);
    assertEquals(rate.hashCode(), rate.hashCode());
}

Example #7

Source File: QueryTest.java From appengine-tck with Apache License 2.0

5 votes

@Before
public void createData() throws InterruptedException {
    clearData(kindName);

    List<Entity> elist = new ArrayList<>();
    for (int i = 0; i < count; i++) {
        Entity newRec = new Entity(kindName, rootKey);
        newRec.setProperty("stringData", "string data" + i);
        newRec.setProperty("timestamp", new Date());
        newRec.setProperty("shortBlobData", new ShortBlob(("shortBlobData" + i).getBytes()));
        newRec.setProperty("intData", 20 * i);
        newRec.setProperty("textData", new Text("textData" + i));
        newRec.setProperty("floatData", 1234 + 0.1 * i);
        newRec.setProperty("booleanData", true);
        newRec.setProperty("urlData", new Link("http://www.google.com"));
        newRec.setProperty("emailData", new Email("somebody123" + i + "@google.com"));
        newRec.setProperty("phoneData", new PhoneNumber("408-123-000" + i));
        newRec.setProperty("adressData", new PostalAddress("123 st. CA 12345" + i));
        newRec.setProperty("ratingData", new Rating(10 * i));
        newRec.setProperty("geoptData", new GeoPt((float) (i + 0.12), (float) (i + 0.98)));
        newRec.setProperty("categoryData", new Category("category" + i));
        newRec.setProperty("intList", Arrays.asList(i, 50 + i, 90 + i));
        elist.add(newRec);
    }
    service.put(elist);

    sync(1000);
}

Example #8

Source File: SchemaTest.java From appengine-tck with Apache License 2.0

5 votes

@Before
public void createData() throws InterruptedException {
    List<Entity> eList = new ArrayList<Entity>();
    for (int i = 0; i < namespaceDat.length; i++) {
        NamespaceManager.set(namespaceDat[i]);
        for (int k = 0; k < kindDat.length; k++) {
            Query q = new Query(kindDat[k]);
            if (service.prepare(q).countEntities(fo) == 0) {
                for (int c = 0; c < count; c++) {
                    Entity newRec = new Entity(kindDat[k]);
                    newRec.setProperty("name", kindDat[k] + c);
                    newRec.setProperty("timestamp", new Date());
                    newRec.setProperty("shortBlobData", new ShortBlob("shortBlobData".getBytes()));
                    newRec.setProperty("intData", 12345);
                    newRec.setProperty("textData", new Text("textData"));
                    newRec.setProperty("floatData", new Double(12345.12345));
                    newRec.setProperty("booleanData", true);
                    newRec.setProperty("urlData", new Link("http://www.google.com"));
                    newRec.setProperty("emailData", new Email("[email protected]"));
                    newRec.setProperty("phoneData", new PhoneNumber("408-123-4567"));
                    newRec.setProperty("adressData", new PostalAddress("123 st. CA 12345"));
                    newRec.setProperty("ratingData", new Rating(55));
                    newRec.setProperty("geoptData", new GeoPt((float) 12.12, (float) 98.98));
                    newRec.setProperty("categoryData", new Category("abc"));
                    eList.add(newRec);
                }
            }
        }
    }
    if (eList.size() > 0) {
        service.put(eList);
        sync(waitTime);
    }
}

Example #9

Source File: DistinctTest.java From appengine-tck with Apache License 2.0

5 votes

@Before
public void createData() throws InterruptedException {
    Query query = new Query(kindName, rootKey);
    if (service.prepare(query).countEntities(fo) == 0) {
        int props = 15;
        List<Entity> elist = new ArrayList<Entity>();
        elist.clear();
        for (int i = 0; i < count; i++) {
            Entity newRec = new Entity(kindName, rootKey);
            if (i == 0) {
                newRec.setProperty("stringData", null);
            } else if (i == 15) {
                newRec.setProperty("stringData", "");
            } else {
                newRec.setProperty("stringData", "string" + i / (props));
            }
            newRec.setProperty("timestamp", new Date());
            newRec.setProperty("intData", i / (props - 2));
            if (i == 4) {
                newRec.setProperty("floatData", null);
            } else {
                newRec.setProperty("floatData", new Double(12 + i / (props - 4) * 0.1));
            }
            if ((count % 2) == 0) {
                newRec.setProperty("booleanData", true);
            } else {
                newRec.setProperty("booleanData", false);
            }
            newRec.setProperty("geoptData",
                new GeoPt((float) (i / (props - 9) + 12.0), (float) (i / (props - 9) + 90.0)));
            newRec.setProperty("intList",
                Arrays.asList(i / (props - 11), 50 + i / (props - 11), 90 + i / (props - 11)));
            elist.add(newRec);
        }
        service.put(elist);
        sync(waitTime);
    }
}

Example #10

Source File: PlacesHelper.java From solutions-mobile-shopping-assistant-backend-java with Apache License 2.0

4 votes

static List<PlaceInfo> getPlaces(GeoPt location, long distanceInMeters, int resultCount) {

    // TODO(user): Use memcache

    String geoPoint = "geopoint(" + location.getLatitude() + ", " + location.getLongitude() + ")";

    String query = "distance(place_location, " + geoPoint + ") < " + distanceInMeters;
    String locExpr = "distance(place_location, " + geoPoint + ")";

    SortExpression sortExpr = SortExpression.newBuilder()
        .setExpression(locExpr)
        .setDirection(SortExpression.SortDirection.ASCENDING)
        .setDefaultValueNumeric(distanceInMeters + 1)
        .build();
    Query searchQuery = Query.newBuilder().setOptions(QueryOptions.newBuilder()
        .setSortOptions(SortOptions.newBuilder().addSortExpression(sortExpr))).build(query);
    Results<ScoredDocument> results = getIndex().search(searchQuery);

    if (results.getNumberFound() == 0) {
      // geo-location doesn't work under dev_server
      if (environment.value() == Development) {
        // return all documents
        results = getIndex().search("value > 0");
      }
    }

    List<PlaceInfo> places = new ArrayList<PlaceInfo>();

    for (ScoredDocument document : results) {
      if (places.size() >= resultCount) {
        break;
      }

      GeoPoint p = document.getOnlyField("place_location").getGeoPoint();

      PlaceInfo place = new PlaceInfo();
      place.setplaceID(document.getOnlyField("id").getText());
      place.setName(document.getOnlyField("name").getText());
      place.setAddress(document.getOnlyField("address").getText());

      place.setLocation(new GeoPt((float) p.getLatitude(), (float) p.getLongitude()));

      // GeoPoints are not implemented on dev server and latitude and longitude are set to zero
      // But since those are doubles let's play safe
      // and use double comparison with epsilon set to 0.0001
      if (Math.abs(p.getLatitude()) <= 0.0001 && Math.abs(p.getLongitude()) <= 0.0001) {
        // set a fake distance of 5+ km
        place.setDistanceInKilometers(5 + places.size());
      } else {
        double distance = distanceInMeters / 1000;
        try {
          distance = getDistanceInKm(
              p.getLatitude(), p.getLongitude(), location.getLatitude(), location.getLongitude());
        } catch (Exception e) {
          log.warning("Exception when calculating a distance: " + e.getMessage());
        }

        place.setDistanceInKilometers(distance);
      }

      places.add(place);
    }

    return places;
  }

Example #11