Java Code Examples for org.geotools.data.FeatureWriter#next()

The following examples show how to use org.geotools.data.FeatureWriter#next() . 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: GeoWaveFeatureReaderTest.java    From rya with Apache License 2.0 5 votes vote down vote up 
@Test
public void testRemoveFeature() throws IllegalArgumentException, NoSuchElementException, IOException, CQLException {
    final Query query = new Query(
            "GeoWaveFeatureReaderTest",
            ECQL.toFilter("pid like '" + pids.get(
                    0).substring(
                    0,
                    1) + "%'"),
            new String[] {
                "geometry",
                "pid"
            });
    final FeatureReader<SimpleFeatureType, SimpleFeature> reader =
        dataStore.getFeatureReader(query, Transaction.AUTO_COMMIT);
    int count = 0;
    while (reader.hasNext()) {
        final SimpleFeature feature = reader.next();
        assertTrue(fids.contains(feature.getID()));
        count++;
    }
    assertEquals(1, count);

    // Remove
    final FeatureWriter<SimpleFeatureType, SimpleFeature> writer =
        dataStore.getFeatureWriter(type.getTypeName(), Transaction.AUTO_COMMIT);
    try {
        while (writer.hasNext()) {
            writer.next();
            writer.remove();
        }
    } finally {
        writer.close();
    }

    // Re-query
    final FeatureReader<SimpleFeatureType, SimpleFeature> reader2 =
            dataStore.getFeatureReader(query, Transaction.AUTO_COMMIT);
    int recount = 0;
    while (reader2.hasNext()) {
        reader2.next();
        recount++;
    }
    assertEquals(0, recount);
}
Example 2
Source File: WFSBoundedSpatialQueryTest.java    From geowave with Apache License 2.0 5 votes vote down vote up 
public void populate() throws IOException, CQLException, ParseException {
  final Transaction transaction1 = new DefaultTransaction();

  final FeatureWriter<SimpleFeatureType, SimpleFeature> writer =
      dataStore.getFeatureWriter(type.getTypeName(), transaction1);
  assertFalse(writer.hasNext());
  SimpleFeature newFeature = writer.next();
  newFeature.setAttribute("pop", Long.valueOf(100));
  newFeature.setAttribute("pid", UUID.randomUUID().toString());
  newFeature.setAttribute("when", DateUtilities.parseISO("2005-05-19T20:32:56Z"));
  newFeature.setAttribute("geometry", factory.createPoint(new Coordinate(43.454, 28.232)));
  writer.write();

  newFeature = writer.next();
  newFeature.setAttribute("pop", Long.valueOf(100));
  newFeature.setAttribute("pid", UUID.randomUUID().toString());
  newFeature.setAttribute("when", DateUtilities.parseISO("2005-05-18T20:32:56Z"));
  newFeature.setAttribute("geometry", factory.createPoint(new Coordinate(43.454, 27.232)));
  writer.write();

  newFeature = writer.next();
  newFeature.setAttribute("pop", Long.valueOf(100));
  newFeature.setAttribute("pid", UUID.randomUUID().toString());
  newFeature.setAttribute("when", DateUtilities.parseISO("2005-05-17T20:32:56Z"));
  newFeature.setAttribute("geometry", factory.createPoint(new Coordinate(43.454, 28.232)));
  writer.write();
  writer.close();
  transaction1.commit();
  transaction1.close();
}
Example 3
Source File: WFSSpatialTest.java    From geowave with Apache License 2.0 5 votes vote down vote up 
@Test
public void test() throws IOException, CQLException, ParseException {
  final Transaction transaction1 = new DefaultTransaction();

  final FeatureWriter<SimpleFeatureType, SimpleFeature> writer =
      dataStore.getFeatureWriter(type.getTypeName(), transaction1);
  assertFalse(writer.hasNext());
  SimpleFeature newFeature = writer.next();
  newFeature.setAttribute("pop", Long.valueOf(100));
  newFeature.setAttribute("pid", UUID.randomUUID().toString());
  newFeature.setAttribute("when", DateUtilities.parseISO("2005-05-19T18:33:55Z"));
  newFeature.setAttribute("geometry", factory.createPoint(new Coordinate(27.25, 41.25)));

  newFeature = writer.next();
  newFeature.setAttribute("pop", Long.valueOf(100));
  newFeature.setAttribute("pid", UUID.randomUUID().toString());
  newFeature.setAttribute("when", DateUtilities.parseISO("2005-05-19T20:33:55Z"));
  newFeature.setAttribute("geometry", factory.createPoint(new Coordinate(27.25, 41.25)));
  writer.write();
  writer.close();

  final FeatureReader<SimpleFeatureType, SimpleFeature> reader =
      dataStore.getFeatureReader(query, transaction1);
  assertTrue(reader.hasNext());
  final SimpleFeature priorFeature = reader.next();
  assertEquals(newFeature.getAttribute("pid"), priorFeature.getAttribute("pid"));
  assertFalse(reader.hasNext());
  reader.close();

  transaction1.commit();
  transaction1.close();
}
Example 4
Source File: GeoWaveFeatureSourceTest.java    From geowave with Apache License 2.0 5 votes vote down vote up 
@Override
public void populate(final SimpleFeatureType type, final DataStore dataStore)
    throws IOException, CQLException, ParseException {

  dataStore.createSchema(type);

  final Transaction transaction1 = new DefaultTransaction();

  final FeatureWriter<SimpleFeatureType, SimpleFeature> writer =
      dataStore.getFeatureWriter(type.getTypeName(), transaction1);
  assertFalse(writer.hasNext());
  SimpleFeature newFeature = writer.next();
  newFeature.setAttribute("pop", Long.valueOf(77));
  newFeature.setAttribute("pid", UUID.randomUUID().toString());
  newFeature.setAttribute("when", DateUtilities.parseISO("2005-05-19T20:32:56Z"));
  newFeature.setAttribute("geometry", factory.createPoint(new Coordinate(43.454, 28.232)));
  writer.write();

  newFeature = writer.next();
  newFeature.setAttribute("pop", Long.valueOf(66));
  newFeature.setAttribute("pid", UUID.randomUUID().toString());
  newFeature.setAttribute("when", DateUtilities.parseISO("2005-05-18T20:32:56Z"));
  newFeature.setAttribute("geometry", factory.createPoint(new Coordinate(43.454, 27.232)));
  writer.write();

  newFeature = writer.next();
  newFeature.setAttribute("pop", Long.valueOf(100));
  newFeature.setAttribute("pid", UUID.randomUUID().toString());
  newFeature.setAttribute("when", DateUtilities.parseISO("2005-05-17T20:32:56Z"));
  newFeature.setAttribute("geometry", factory.createPoint(new Coordinate(43.454, 28.242)));
  writer.write();
  writer.close();
  transaction1.commit();
  transaction1.close();
}
Example 5
Source File: GeoWaveFeatureSourceTest.java    From geowave with Apache License 2.0 5 votes vote down vote up 
@Override
public void populate(final SimpleFeatureType type, final DataStore dataStore)
    throws IOException, CQLException, ParseException {

  dataStore.createSchema(type);

  final Transaction transaction1 = new DefaultTransaction();

  final SimpleFeatureStore source =
      (SimpleFeatureStore) dataStore.getFeatureSource(type.getName());
  final FeatureWriter<SimpleFeatureType, SimpleFeature> writer =
      dataStore.getFeatureWriter(type.getTypeName(), transaction1);
  assertFalse(writer.hasNext());
  SimpleFeature newFeature = writer.next();
  newFeature.setAttribute("pop", Long.valueOf(77));
  newFeature.setAttribute("pid", UUID.randomUUID().toString());
  newFeature.setAttribute("when", DateUtilities.parseISO("2005-05-19T20:32:56Z"));
  newFeature.setAttribute("geometry", factory.createPoint(new Coordinate(43.454, 28.232)));
  source.addFeatures(DataUtilities.collection(newFeature));

  newFeature = writer.next();
  newFeature.setAttribute("pop", Long.valueOf(66));
  newFeature.setAttribute("pid", UUID.randomUUID().toString());
  newFeature.setAttribute("when", DateUtilities.parseISO("2005-05-18T20:32:56Z"));
  newFeature.setAttribute("geometry", factory.createPoint(new Coordinate(43.454, 27.232)));
  source.addFeatures(DataUtilities.collection(newFeature));

  newFeature = writer.next();
  newFeature.setAttribute("pop", Long.valueOf(100));
  newFeature.setAttribute("pid", UUID.randomUUID().toString());
  newFeature.setAttribute("when", DateUtilities.parseISO("2005-05-17T20:32:56Z"));
  newFeature.setAttribute("geometry", factory.createPoint(new Coordinate(43.454, 28.242)));
  source.addFeatures(DataUtilities.collection(newFeature));
  transaction1.commit();
  transaction1.close();
}
Example 6
Source File: WFSBoundedQueryTest.java    From geowave with Apache License 2.0 5 votes vote down vote up 
public void populate() throws IOException, CQLException, ParseException {
  final Transaction transaction1 = new DefaultTransaction();

  final FeatureWriter<SimpleFeatureType, SimpleFeature> writer =
      dataStore.getFeatureWriter(type.getTypeName(), transaction1);
  assertFalse(writer.hasNext());
  SimpleFeature newFeature = writer.next();
  newFeature.setAttribute("pop", Long.valueOf(100));
  newFeature.setAttribute("pid", UUID.randomUUID().toString());
  newFeature.setAttribute("when", DateUtilities.parseISO("2005-05-19T20:32:56Z"));
  newFeature.setAttribute("geometry", factory.createPoint(new Coordinate(43.454, 28.232)));
  writer.write();

  newFeature = writer.next();
  newFeature.setAttribute("pop", Long.valueOf(100));
  newFeature.setAttribute("pid", UUID.randomUUID().toString());
  newFeature.setAttribute("when", DateUtilities.parseISO("2005-05-18T20:32:56Z"));
  newFeature.setAttribute("geometry", factory.createPoint(new Coordinate(43.454, 27.232)));
  writer.write();

  newFeature = writer.next();
  newFeature.setAttribute("pop", Long.valueOf(100));
  newFeature.setAttribute("pid", UUID.randomUUID().toString());
  newFeature.setAttribute("when", DateUtilities.parseISO("2005-05-17T20:32:56Z"));
  newFeature.setAttribute("geometry", factory.createPoint(new Coordinate(43.454, 28.232)));
  writer.write();
  writer.close();
  transaction1.commit();
  transaction1.close();
}
Example 7
Source File: GeoToolsAttributesSubsetTest.java    From geowave with Apache License 2.0 5 votes vote down vote up 
@Before
public void setup() throws IOException, GeoWavePluginException, SchemaException {
  geotoolsDataStore = createDataStore();
  type = DataUtilities.createType(typeName, typeSpec);

  geotoolsDataStore.createSchema(type);
  final Transaction transaction = new DefaultTransaction();
  final FeatureWriter<SimpleFeatureType, SimpleFeature> writer =
      geotoolsDataStore.getFeatureWriter(type.getTypeName(), transaction);
  assertFalse(writer.hasNext());
  SimpleFeature newFeature = writer.next();
  newFeature.setAttribute(
      geometry_attribute,
      GeometryUtils.GEOMETRY_FACTORY.createPoint(new Coordinate(41.25, 41.25)));
  newFeature.setAttribute(long_attribute, 1l);
  newFeature.setAttribute(string_attribute, "string1");
  writer.write();
  newFeature = writer.next();
  newFeature.setAttribute(
      geometry_attribute,
      GeometryUtils.GEOMETRY_FACTORY.createPoint(new Coordinate(41.5, 41.5)));
  newFeature.setAttribute(long_attribute, 2l);
  newFeature.setAttribute(string_attribute, "string2");
  writer.write();
  newFeature = writer.next();
  newFeature.setAttribute(
      geometry_attribute,
      GeometryUtils.GEOMETRY_FACTORY.createPoint(new Coordinate(41.75, 41.75)));
  newFeature.setAttribute(long_attribute, 3l);
  newFeature.setAttribute(string_attribute, "string3");
  writer.write();
  writer.close();
  transaction.commit();
  transaction.close();
}
Example 8
Source File: WFSTemporalQueryTest.java    From geowave with Apache License 2.0 5 votes vote down vote up 
public void populate() throws IOException, CQLException, ParseException {
  final Transaction transaction1 = new DefaultTransaction();

  final FeatureWriter<SimpleFeatureType, SimpleFeature> writer =
      dataStore.getFeatureWriter(type.getTypeName(), transaction1);
  assertFalse(writer.hasNext());
  SimpleFeature newFeature = writer.next();
  newFeature.setAttribute("pop", Long.valueOf(100));
  newFeature.setAttribute("pid", UUID.randomUUID().toString());
  newFeature.setAttribute("start", DateUtilities.parseISO("2005-05-17T20:32:56Z"));
  newFeature.setAttribute("end", DateUtilities.parseISO("2005-05-19T20:32:56Z"));
  newFeature.setAttribute("geometry", factory.createPoint(new Coordinate(43.454, 28.232)));
  writer.write();

  newFeature = writer.next();
  newFeature.setAttribute("pop", Long.valueOf(100));
  newFeature.setAttribute("pid", UUID.randomUUID().toString());
  newFeature.setAttribute("start", DateUtilities.parseISO("2005-05-18T20:32:56Z"));
  newFeature.setAttribute("end", DateUtilities.parseISO("2005-05-20T20:32:56Z"));
  newFeature.setAttribute("geometry", factory.createPoint(new Coordinate(43.454, 27.232)));
  writer.write();

  newFeature = writer.next();
  newFeature.setAttribute("pop", Long.valueOf(100));
  newFeature.setAttribute("pid", UUID.randomUUID().toString());
  newFeature.setAttribute("start", DateUtilities.parseISO("2005-05-21T20:32:56Z"));
  newFeature.setAttribute("end", DateUtilities.parseISO("2005-05-22T20:32:56Z"));
  newFeature.setAttribute("geometry", factory.createPoint(new Coordinate(43.454, 28.232)));
  writer.write();
  writer.close();
  transaction1.commit();
  transaction1.close();
}
Example 9
Source File: TemporalRangeTest.java    From geowave with Apache License 2.0 5 votes vote down vote up 
@Test
public void test() throws ParseException, IOException {
  final Calendar gmt = Calendar.getInstance(TimeZone.getTimeZone("GMT"));
  final Calendar local = Calendar.getInstance(TimeZone.getTimeZone("EDT"));
  local.setTimeInMillis(gmt.getTimeInMillis());
  final TemporalRange rGmt = new TemporalRange(gmt.getTime(), gmt.getTime());
  final TemporalRange rLocal = new TemporalRange(local.getTime(), local.getTime());
  rGmt.fromBinary(rGmt.toBinary());
  assertEquals(gmt.getTime(), rGmt.getEndTime());
  assertEquals(rLocal.getEndTime(), rGmt.getEndTime());
  assertEquals(rLocal.getEndTime().getTime(), rGmt.getEndTime().getTime());

  final Transaction transaction1 = new DefaultTransaction();

  final FeatureWriter<SimpleFeatureType, SimpleFeature> writer =
      dataStore.getFeatureWriter(type.getTypeName(), transaction1);
  final SimpleFeature newFeature = writer.next();
  newFeature.setAttribute("pop", Long.valueOf(77));
  newFeature.setAttribute("pid", UUID.randomUUID().toString());
  newFeature.setAttribute("when", DateUtilities.parseISO("2005-05-19T19:32:56-04:00"));
  newFeature.setAttribute("geometry", factory.createPoint(new Coordinate(43.454, 28.232)));

  final FeatureTimeRangeStatistics stats = new FeatureTimeRangeStatistics(null, "when");
  stats.entryIngested(newFeature);

  assertEquals(
      DateUtilities.parseISO("2005-05-19T23:32:56Z"),
      stats.asTemporalRange().getStartTime());
}
Example 10
Source File: GeoWaveFeatureReaderTest.java    From rya with Apache License 2.0 4 votes vote down vote up 
@Before
public void setup() throws SchemaException, CQLException, Exception {
    setupConf();
    try (final GeoWaveGeoIndexer indexer = new GeoWaveGeoIndexer()) {
        indexer.setConf(conf);
        dataStore = indexer.getGeoToolsDataStore();
        // Clear old data
        indexer.purge(conf);

        type = DataUtilities.createType(
                "GeoWaveFeatureReaderTest",
                "geometry:Geometry:srid=4326,start:Date,end:Date,pop:java.lang.Long,pid:String");

        dataStore.createSchema(type);

        stime = DateUtilities.parseISO("2005-05-15T20:32:56Z");
        etime = DateUtilities.parseISO("2005-05-20T20:32:56Z");

        final Transaction transaction1 = new DefaultTransaction();
        final FeatureWriter<SimpleFeatureType, SimpleFeature> writer = dataStore.getFeatureWriter(
                type.getTypeName(),
                transaction1);
        assertFalse(writer.hasNext());
        SimpleFeature newFeature = writer.next();
        newFeature.setAttribute(
                "pop",
                Long.valueOf(100));
        newFeature.setAttribute(
                "pid",
                "a" + UUID.randomUUID().toString());
        newFeature.setAttribute(
                "start",
                stime);
        newFeature.setAttribute(
                "end",
                etime);
        newFeature.setAttribute(
                "geometry",
                factory.createPoint(new Coordinate(27.25, 41.25)));
        fids.add(newFeature.getID());
        pids.add(newFeature.getAttribute("pid").toString());
        writer.write();
        newFeature = writer.next();
        newFeature.setAttribute(
                "pop",
                Long.valueOf(101));
        newFeature.setAttribute(
                "pid",
                "b" + UUID.randomUUID().toString());
        newFeature.setAttribute(
                "start",
                etime);
        newFeature.setAttribute(
                "geometry",
                factory.createPoint(new Coordinate(28.25, 41.25)));
        fids.add(newFeature.getID());
        pids.add(newFeature.getAttribute("pid").toString());
        writer.write();
        writer.close();
        transaction1.commit();
        transaction1.close();

        query = new Query(
                "GeoWaveFeatureReaderTest",
                ECQL.toFilter("IN ('" + fids.get(0) + "')"),
                new String[] {
                    "geometry",
                    "pid"
                });
    }
}
Example 11
Source File: GeoWaveFeatureReaderTest.java    From geowave with Apache License 2.0 4 votes vote down vote up 
@Before
public void setup() throws SchemaException, CQLException, Exception {
  dataStore = createDataStore();
  type =
      DataUtilities.createType(
          "GeoWaveFeatureReaderTest",
          "geometry:Geometry:srid=4326,start:Date,end:Date,pop:java.lang.Long,pid:String");
  ((GeoWaveGTDataStore) dataStore).getIndexStore().addIndex(
      new SpatialIndexBuilder().createIndex());
  ((GeoWaveGTDataStore) dataStore).getIndexStore().addIndex(
      new SpatialTemporalIndexBuilder().createIndex());
  dataStore.createSchema(type);

  stime = DateUtilities.parseISO("2005-05-15T20:32:56Z");
  mtime = DateUtilities.parseISO("2005-05-20T20:32:56Z");
  etime = DateUtilities.parseISO("2005-05-25T20:32:56Z");

  final Transaction transaction1 = new DefaultTransaction();
  final FeatureWriter<SimpleFeatureType, SimpleFeature> writer =
      dataStore.getFeatureWriter(type.getTypeName(), transaction1);
  assertFalse(writer.hasNext());
  SimpleFeature newFeature = writer.next();
  newFeature.setAttribute("pop", Long.valueOf(100));
  newFeature.setAttribute("pid", "a" + UUID.randomUUID().toString());
  newFeature.setAttribute("start", stime);
  newFeature.setAttribute("end", mtime);
  newFeature.setAttribute("geometry", factory.createPoint(new Coordinate(27.25, 41.25)));
  fids.add(newFeature.getID());
  pids.add(newFeature.getAttribute("pid").toString());
  writer.write();
  newFeature = writer.next();
  newFeature.setAttribute("pop", Long.valueOf(101));
  newFeature.setAttribute("pid", "b" + UUID.randomUUID().toString());
  newFeature.setAttribute("start", mtime);
  newFeature.setAttribute("end", etime);
  newFeature.setAttribute("geometry", factory.createPoint(new Coordinate(28.25, 41.25)));
  fids.add(newFeature.getID());
  pids.add(newFeature.getAttribute("pid").toString());
  writer.write();
  writer.close();
  transaction1.commit();
  transaction1.close();

  query =
      new Query(
          "GeoWaveFeatureReaderTest",
          ECQL.toFilter("IN ('" + fids.get(0) + "')"),
          new String[] {"geometry", "pid"});
}
Example 12
Source File: WFSTransactionTest.java    From geowave with Apache License 2.0 4 votes vote down vote up 
@Test
public void testInsertIsolation() throws IOException, CQLException {
  final Transaction transaction1 = new DefaultTransaction();

  final FeatureWriter<SimpleFeatureType, SimpleFeature> writer =
      dataStore.getFeatureWriter(type.getTypeName(), transaction1);
  assertFalse(writer.hasNext());
  final SimpleFeature newFeature = writer.next();
  newFeature.setAttribute("pop", Long.valueOf(100));
  newFeature.setAttribute("pid", UUID.randomUUID().toString());
  newFeature.setAttribute("geometry", factory.createPoint(new Coordinate(27.25, 41.25)));
  writer.write();
  writer.close();

  FeatureReader<SimpleFeatureType, SimpleFeature> reader =
      dataStore.getFeatureReader(query, transaction1);
  assertTrue(reader.hasNext());
  final SimpleFeature priorFeature = reader.next();
  assertEquals(newFeature.getAttribute("pid"), priorFeature.getAttribute("pid"));
  reader.close();

  // uncommitted at this point, so this next transaction should not see
  // it.

  final Transaction transaction2 = new DefaultTransaction();
  reader = dataStore.getFeatureReader(query, transaction2);
  assertFalse(reader.hasNext());
  reader.close();

  transaction1.commit();
  reader = dataStore.getFeatureReader(query, transaction1);
  assertTrue(reader.hasNext());
  reader.next();
  assertFalse(reader.hasNext());
  reader.close();

  transaction1.close();

  // since this implementation does not support serializable, transaction2
  // can see the changes even though
  // it started after transaction1 and before the commit.
  reader = dataStore.getFeatureReader(query, transaction2);
  assertTrue(reader.hasNext());
  reader.next();
  assertFalse(reader.hasNext());
  reader.close();
  transaction2.commit();
  transaction2.close();

  // stats check
  final Transaction transaction3 = new DefaultTransaction();
  reader =
      ((GeoWaveFeatureSource) ((GeoWaveGTDataStore) dataStore).getFeatureSource(
          "geostuff",
          transaction3)).getReaderInternal(query);
  final Map<StatisticsId, InternalDataStatistics<SimpleFeature, ?, ?>> transStats =
      ((GeoWaveFeatureReader) reader).getTransaction().getDataStatistics();
  assertNotNull(
      transStats.get(
          FeatureNumericRangeStatistics.STATS_TYPE.newBuilder().fieldName(
              "pop").build().getId()));
  transaction3.close();
}