Examples of org.opengis.filter.FilterFactory2.property()

org.opengis.filter.FilterFactory2.property()
Retrieves the value of a {@linkplain org.opengis.feature.Feature feature}'s property. @param name Name of attribute referenced @return PropertyName

          // For DB2, we must use the following line of code
          MultiLineString ml = gf.createMultiLineString(geometries);
          
          FilterFactory2 ff = CommonFactoryFinder.getFilterFactory2(null);
          
          PropertyName p = ff.property(aname("geom"));        
          Literal collect = ff.literal(ml);
        
          DWithin dwithinGeomCo  = ((FilterFactory2) ff).dwithin(p, collect, 5, "meter");
          Query dq = new Query(tname("road"), dwithinGeomCo);
          SimpleFeatureCollection features = dataStore.getFeatureSource(tname("road")).getFeatures(dq);

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        Geometry[] geometries = {point};
        GeometryCollection geometry = new GeometryCollection(geometries, factory );


        FilterFactory2 ff = CommonFactoryFinder.getFilterFactory2(null);


        PropertyName geomName = ff.property(aname("geom"));
        Literal lit = ff.literal(geometry);
        
        DWithin dwithinGeomFilter  = ((FilterFactory2) ff).dwithin(geomName, lit, distance, unit);
        Query query = new Query(tname("road"), dwithinGeomFilter);
        SimpleFeatureCollection features = dataStore.getFeatureSource(tname("road")).getFeatures(query);

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    }


    public void testPointDistance() throws IOException, ParseException {
        FilterFactory2 ff = CommonFactoryFinder.getFilterFactory2();
        Geometry point = new WKTReader().read("POINT(180000 0)");
        DWithin filter = ff.dwithin(ff.property(aname("geom")), ff.literal(point), 15000, "m");
        
        ContentFeatureCollection fc = dataStore.getFeatureSource(tname("ppoint")).getFeatures(filter);
        assertEquals(1, fc.size());
    }
}

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        // try with filter and no attributes
        FilterFactory2 ff = CommonFactoryFinder.getFilterFactory2(null);
        String geomName = schema.getGeometryDescriptor().getName().getLocalPart();
        
        query.setFilter( ff.bbox( ff.property(geomName), bounds) );
        features = featureSource.getFeatures( query );
        
        assertNotNull("selection query worked", features );
        assertTrue( "selection non empty", !features.isEmpty() );        
        assertEquals(selection.size(), features.size());

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        GeometryFactory gf = new GeometryFactory();
        PackedCoordinateSequenceFactory sf = new PackedCoordinateSequenceFactory();
        LinearRing shell = gf.createLinearRing(sf.create(new double[] { 2, -1, 2, 5, 4, 5, 4, -1,
                2, -1 }, 2));
        Polygon polygon = gf.createPolygon(shell, null);
        Contains cs = ff.contains(ff.literal(polygon), ff.property(aname("geom")));


        SimpleFeatureType roadSchema = dataStore.getSchema("road");
        originalSchema = dataStore.getDatabaseSchema();
        dataStore.setDatabaseSchema("schema");
        dialect.handleSelectHints(sql1, roadSchema, new Query("road", cs));

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        FilterFactory2 ff = CommonFactoryFinder.getFilterFactory2(null);
        Query q = new Query();
        q.setPropertyNames(new String[] {"STATE_NAME", "PERSONS"});
        ReferencedEnvelope queryBounds = new ReferencedEnvelope(-75.102613, -72.361859, 40.212597,
                41.512517, null);
        q.setFilter(ff.bbox(ff.property(""), queryBounds));
        
        // grab the features
        SimpleFeatureCollection fc = fs.getFeatures(q);
        assertTrue(fc.size() > 0);
        ds.dispose();

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        GeometryFactory gf = new GeometryFactory();
        PackedCoordinateSequenceFactory sf = new PackedCoordinateSequenceFactory();
        LinearRing shell = gf.createLinearRing(sf.create(new double[] { 2, -1, 2, 5, 4, 5, 4, -1,
                2, -1 }, 2));
        Polygon polygon = gf.createPolygon(shell, null);
        Contains cs = ff.contains(ff.literal(polygon), ff.property(aname("geom")));


        
        SimpleFeatureType roadSchema = dataStore.getSchema("road");
        dialect.handleSelectHints(sql, roadSchema, new Query("road", cs));
        return sql;

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                        + "FROM \"road\" "
                        + "WHERE \"name\" = 'XXX')");


        // the filter for the Query
        FilterFactory2 ff = CommonFactoryFinder.getFilterFactory2(null);
        Filter filter = ff.equal(ff.property("name"), ff.literal("XXX"), true);


        SimpleFeatureType roadSchema = dataStore.getSchema("road");
        dialect.handleSelectHints(sql, roadSchema, new Query("road", filter));


        assertFalse(sql.toString().contains("WITH"));

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        SimpleFeatureIterator indexIter;
        FilterFactory2 fac = CommonFactoryFinder.getFilterFactory2(null);
        String geometryName = indexedDS.getSchema().getGeometryDescriptor()
                .getLocalName();


        Filter filter = fac.bbox(fac.property(geometryName), newBounds);


        features = indexedDS.getFeatureSource().getFeatures(filter);
        SimpleFeatureCollection features2 = baselineDS.getFeatureSource()
                .getFeatures(filter);

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            String geomName = schema.getGeometryDescriptor().getName().getLocalPart();
            
            Query query = new Query(schema.getTypeName());
            query.setPropertyNames(Query.ALL_NAMES);            
            ReferencedEnvelope bounds = features.getBounds();
            query.setFilter(ff.bbox(ff.property(geomName), bounds));


            features = featureSource.getFeatures(query);
            // check SimpleFeatureCollection size
            assertEquals(count, features.size());
            assertFalse(features.isEmpty());

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