Examples of org.geotools.data.DefaultQuery

org.geotools.data.DefaultQuery
A Query class allowing content to be requested from a Datastore or FeatureSource. @deprecated This class is now synonymous with the {@linkplain Query} class. @see Query @author Chris Holmes @source $URL$

        if (ul.getInlineFeatureType().getCoordinateReferenceSystem() == null) {
            LOGGER.warning("No CRS set on inline features default geometry.  "
                    + "Assuming the requestor has their inlinefeatures in the boundingbox CRS.");


            SimpleFeatureType currFt = ul.getInlineFeatureType();
            Query q = new DefaultQuery(currFt.getTypeName(), Filter.INCLUDE);
            FeatureReader<SimpleFeatureType, SimpleFeature> ilReader;
            ilReader = inlineDatastore.getFeatureReader(q, Transaction.AUTO_COMMIT);
            ForceCoordinateSystemFeatureReader reader = new ForceCoordinateSystemFeatureReader(
                    ilReader, requestCrs);
            MemoryDataStore reTypedDS = new MemoryDataStore(reader);

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        FeatureSource fs = createNiceMock(FeatureSource.class);
        FeatureCollection fc = createNiceMock(FeatureCollection.class);
        expect(fs.getDataStore()).andReturn(ds);
        expect(fs.getFeatures()).andReturn(fc);
        expect(fs.getFeatures(Filter.INCLUDE)).andReturn(fc);
        expect(fs.getFeatures(new DefaultQuery())).andReturn(fc);
        replay(fs);
        
        ReadOnlyFeatureSource ro = new ReadOnlyFeatureSource(fs, WrapperPolicy.HIDE);
        assertTrue(ro.getDataStore() instanceof ReadOnlyDataStore); 
        ReadOnlyFeatureCollection collection = (ReadOnlyFeatureCollection) ro.getFeatures();
        assertEquals(WrapperPolicy.HIDE, ro.policy);
        assertTrue(ro.getFeatures(Filter.INCLUDE) instanceof ReadOnlyFeatureCollection);
        assertTrue(ro.getFeatures(new DefaultQuery()) instanceof ReadOnlyFeatureCollection);
    }

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        try {
            String[] propNames = extractAllowedAttributes(query, schema);
            Filter filter = query.getFilter();
            filter = makeDefinitionFilter(filter);


            DefaultQuery defQuery = new DefaultQuery(query);
            defQuery.setFilter(filter);
            defQuery.setPropertyNames(propNames);


            //set sort by
            if (query.getSortBy() != null) {
                defQuery.setSortBy(query.getSortBy());
            }


            return defQuery;
        } catch (Exception ex) {
            throw new DataSourceException(

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            // and then we reproject all geometries so that the datastore receives
            // them in the native projection system (or the forced one, in case of force) 
            ReprojectingFilterVisitor reprojectingVisitor = new ReprojectingFilterVisitor(ff, nativeFeatureType);
            Filter reprojectedFilter = (Filter) defaultedFilter.accept(reprojectingVisitor, null);
            
            DefaultQuery reprojectedQuery = new DefaultQuery(query);
            reprojectedQuery.setFilter(reprojectedFilter);
            return reprojectedQuery;
        } catch(Exception e) {
            throw new DataSourceException("Had troubles handling filter reprojection...", e);
        }
    }

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        return newQuery;
    }


    public FeatureCollection<SimpleFeatureType, SimpleFeature> getFeatures(Filter filter)
            throws IOException {
        return getFeatures(new DefaultQuery(schema.getTypeName(), filter));
    }

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    public ReferencedEnvelope getBounds() throws IOException {
        // since CRS is at most forced, we don't need to change this code
        if (definitionQuery == Filter.INCLUDE) {
            return source.getBounds();
        } else {
            Query query = new DefaultQuery(getSchema().getTypeName(), definitionQuery);


            return source.getBounds(query);
        }
    }

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        if (layerDefs != null && layerDefs.containsKey(key)) {
          String def = layerDefs.get(key);
          if (def != null && !"".equals(def)) {
            try {
              Filter filter = ECQL.toFilter(def);
              DefaultQuery query = new DefaultQuery();
              query.setFilter(filter);
              layer.setQuery(query);
            } catch (Exception e) {
              StringBuilder sb = new StringBuilder();
              sb.append(ResourceBundleManager
                  .getResourceBundleMapServiceLog()

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      // Handle layerDefs
      String key = String.valueOf(layerId);
      if (layerDefs != null && layerDefs.containsKey(key)) {
        String def = layerDefs.get(key);
        Filter filter = ECQL.toFilter(def);
        DefaultQuery query = new DefaultQuery();
        query.setFilter(filter);
        layer.getMapLayer().setQuery(query);
      } else {
        layer.getMapLayer().setQuery(Query.ALL);
      }
    }

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   *            the crs to reproject the features to (if necessary). If null
   *            no reprojection will be applied
   */
  public static GTShpLayer createLayer(DataStore source, String typename,
      Filter filter, CoordinateReferenceSystem crs) throws IOException {
    DefaultQuery query = new DefaultQuery(typename, filter);
    if (crs != null) {
      query.setCoordinateSystemReproject(crs);
    }
    return createLayer(source, query);
  }

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        }
        assertEquals("feature count", expectedCount, count);


        // Test DefaultMappingFeatureIterator MaxFeatures support [GEOS-1930]
        final int expectedCount2 = 3;
        DefaultQuery query = new DefaultQuery();
        query.setMaxFeatures(expectedCount2);
        FeatureCollection<FeatureType, Feature> content2 = source.getFeatures(query);
        FeatureIterator<Feature> features2 = content2.features();
        int count2 = 0;
        try {
            while (features2.hasNext()) {

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