Examples with SimpleFeatureIterator org.geotools.data.simple.SimpleFeatureIterator used on opensource projects

Example 16 with SimpleFeatureIterator

use of org.geotools.data.simple.SimpleFeatureIterator in project GeoGig by boundlessgeo.

the class ExportOpTest method testExportingUsingFunction.

@Test
public void testExportingUsingFunction() throws Exception {
    // Testing export of points feature type into a simplified feature type that
    // does not contain the integer attribute.
    String simplifiedPointsName = "simplifiedPoints";
    String simplifiedPointsTypeSpec = "sp:String,pp:Point:srid=4326";
    SimpleFeatureType simplifiedPointsType = DataUtilities.createType(pointsNs, simplifiedPointsName, simplifiedPointsTypeSpec);
    Feature simplifiedPoints1 = feature(simplifiedPointsType, ((SimpleFeature) points1).getID(), ((SimpleFeature) points1).getAttribute(0), ((SimpleFeature) points1).getAttribute(2));
    Feature simplifiedPoints2 = feature(simplifiedPointsType, ((SimpleFeature) points2).getID(), ((SimpleFeature) points2).getAttribute(0), ((SimpleFeature) points2).getAttribute(2));
    Feature simplifiedPoints3 = feature(simplifiedPointsType, ((SimpleFeature) points3).getID(), ((SimpleFeature) points3).getAttribute(0), ((SimpleFeature) points3).getAttribute(2));
    Feature[] simplifiedPoints = new Feature[] { simplifiedPoints1, simplifiedPoints2, simplifiedPoints3 };
    final SimpleFeatureBuilder featureBuilder = new SimpleFeatureBuilder(simplifiedPointsType);
    Function<Feature, Optional<Feature>> function = new Function<Feature, Optional<Feature>>() {

        @Override
        @Nullable
        public Optional<Feature> apply(@Nullable Feature feature) {
            SimpleFeature simpleFeature = (SimpleFeature) feature;
            featureBuilder.add(simpleFeature.getAttribute(0));
            featureBuilder.add(simpleFeature.getAttribute(2));
            return Optional.of((Feature) featureBuilder.buildFeature(null));
        }
    };
    Feature[] points = new Feature[] { points1, points2, points3 };
    for (Feature feature : points) {
        insert(feature);
    }
    MemoryDataStore dataStore = new MemoryDataStore(simplifiedPointsType);
    final String typeName = dataStore.getTypeNames()[0];
    SimpleFeatureSource featureSource = dataStore.getFeatureSource(typeName);
    SimpleFeatureStore featureStore = (SimpleFeatureStore) featureSource;
    geogig.command(ExportOp.class).setFeatureStore(featureStore).setPath(pointsName).setFeatureTypeConversionFunction(function).call();
    featureSource = dataStore.getFeatureSource(typeName);
    featureStore = (SimpleFeatureStore) featureSource;
    SimpleFeatureCollection featureCollection = featureStore.getFeatures();
    assertEquals(featureCollection.size(), points.length);
    SimpleFeatureIterator features = featureCollection.features();
    assertTrue(collectionsAreEqual(features, simplifiedPoints));
    // check for exceptions when using a function that returns features with a wrong featuretype
    try {
        String wrongFeaturesName = "wrongFeatures";
        String wrongFeaturesTypeSpec = "sp:String";
        SimpleFeatureType wrongFeaturesType = DataUtilities.createType(pointsNs, wrongFeaturesName, wrongFeaturesTypeSpec);
        final SimpleFeatureBuilder wrongFeatureBuilder = new SimpleFeatureBuilder(wrongFeaturesType);
        Function<Feature, Optional<Feature>> wrongFunction = new Function<Feature, Optional<Feature>>() {

            @Override
            @Nullable
            public Optional<Feature> apply(@Nullable Feature feature) {
                SimpleFeature simpleFeature = (SimpleFeature) feature;
                wrongFeatureBuilder.add(simpleFeature.getAttribute(0));
                return Optional.of((Feature) wrongFeatureBuilder.buildFeature(null));
            }
        };
        geogig.command(ExportOp.class).setFeatureStore(featureStore).setPath(pointsName).setFeatureTypeConversionFunction(wrongFunction).call();
        fail();
    } catch (GeoToolsOpException e) {
        assertEquals(e.statusCode, StatusCode.UNABLE_TO_ADD);
    }
}

Example 17 with SimpleFeatureIterator

use of org.geotools.data.simple.SimpleFeatureIterator in project GeoGig by boundlessgeo.

the class ExportOpTest method testExportWithAlterUsingFeatureTypeId.

@Test
public void testExportWithAlterUsingFeatureTypeId() throws Exception {
    Feature[] points = new Feature[] { points2, points1B, points3 };
    for (Feature feature : points) {
        insert(feature);
    }
    MemoryDataStore dataStore = new MemoryDataStore(modifiedPointsType);
    final String typeName = dataStore.getTypeNames()[0];
    SimpleFeatureSource featureSource = dataStore.getFeatureSource(typeName);
    SimpleFeatureStore featureStore = (SimpleFeatureStore) featureSource;
    geogig.command(ExportOp.class).setFeatureStore(featureStore).setPath(pointsName).setAlter(true).setFilterFeatureTypeId(RevFeatureTypeImpl.build(modifiedPointsType).getId()).call();
    featureSource = dataStore.getFeatureSource(typeName);
    featureStore = (SimpleFeatureStore) featureSource;
    SimpleFeatureCollection featureCollection = featureStore.getFeatures();
    assertEquals(featureCollection.size(), points.length);
    SimpleFeatureIterator features = featureCollection.features();
    while (features.hasNext()) {
        List<Object> attributes = features.next().getAttributes();
        assertEquals(4, attributes.size());
    }
}

Example 18 with SimpleFeatureIterator

use of org.geotools.data.simple.SimpleFeatureIterator in project GeoGig by boundlessgeo.

the class ExportOpTest method testExportFromHEAD.

@Test
public void testExportFromHEAD() throws Exception {
    Feature[] points = new Feature[] { points1, points2, points3 };
    for (Feature feature : points) {
        insert(feature);
    }
    geogig.command(AddOp.class).call();
    geogig.command(CommitOp.class).setAll(true).call();
    MemoryDataStore dataStore = new MemoryDataStore(pointsType);
    final String typeName = dataStore.getTypeNames()[0];
    SimpleFeatureSource featureSource = dataStore.getFeatureSource(typeName);
    SimpleFeatureStore featureStore = (SimpleFeatureStore) featureSource;
    geogig.command(ExportOp.class).setFeatureStore(featureStore).setPath("HEAD:" + pointsName).call();
    featureSource = dataStore.getFeatureSource(typeName);
    featureStore = (SimpleFeatureStore) featureSource;
    SimpleFeatureCollection featureCollection = featureStore.getFeatures();
    assertEquals(featureCollection.size(), points.length);
    SimpleFeatureIterator features = featureCollection.features();
    assertTrue(collectionsAreEqual(features, points));
}

Example 19 with SimpleFeatureIterator

use of org.geotools.data.simple.SimpleFeatureIterator in project GeoGig by boundlessgeo.

the class ExportOpTest method testExportWithAlterUsingDefaultFeatureType.

@Test
public void testExportWithAlterUsingDefaultFeatureType() throws Exception {
    Feature[] points = new Feature[] { points2, points1B, points3 };
    for (Feature feature : points) {
        insert(feature);
    }
    MemoryDataStore dataStore = new MemoryDataStore(pointsType);
    final String typeName = dataStore.getTypeNames()[0];
    SimpleFeatureSource featureSource = dataStore.getFeatureSource(typeName);
    SimpleFeatureStore featureStore = (SimpleFeatureStore) featureSource;
    geogig.command(ExportOp.class).setFeatureStore(featureStore).setPath(pointsName).setAlter(true).call();
    featureSource = dataStore.getFeatureSource(typeName);
    featureStore = (SimpleFeatureStore) featureSource;
    SimpleFeatureCollection featureCollection = featureStore.getFeatures();
    assertEquals(featureCollection.size(), points.length);
    SimpleFeatureIterator features = featureCollection.features();
    assertTrue(collectionsAreEqual(features, points));
}

Example 20 with SimpleFeatureIterator

use of org.geotools.data.simple.SimpleFeatureIterator in project GeoGig by boundlessgeo.

the class ExportOpTest method testExportFromTreeWithSeveralFeatureTypesUsingDefaultFeatureType.

@Test
public void testExportFromTreeWithSeveralFeatureTypesUsingDefaultFeatureType() throws Exception {
    Feature[] points = new Feature[] { points2, points1B, points3 };
    for (Feature feature : points) {
        insert(feature);
    }
    Feature[] expectedPoints = new Feature[] { points2, points3 };
    MemoryDataStore dataStore = new MemoryDataStore(pointsType);
    final String typeName = dataStore.getTypeNames()[0];
    SimpleFeatureSource featureSource = dataStore.getFeatureSource(typeName);
    SimpleFeatureStore featureStore = (SimpleFeatureStore) featureSource;
    geogig.command(ExportOp.class).setFeatureStore(featureStore).setPath(pointsName).exportDefaultFeatureType().call();
    featureSource = dataStore.getFeatureSource(typeName);
    featureStore = (SimpleFeatureStore) featureSource;
    SimpleFeatureCollection featureCollection = featureStore.getFeatures();
    assertEquals(featureCollection.size(), expectedPoints.length);
    SimpleFeatureIterator features = featureCollection.features();
    assertTrue(collectionsAreEqual(features, expectedPoints));
}