/*
* GeoTools - The Open Source Java GIS Toolkit
* http://geotools.org
*
* (C) 2002-2008, Open Source Geospatial Foundation (OSGeo)
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation;
* version 2.1 of the License.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*/
package org.geotools.data.view;
import java.io.IOException;
import org.geotools.data.DataUtilities;
import org.geotools.data.memory.MemoryDataStore;
import org.geotools.data.simple.SimpleFeatureIterator;
import org.geotools.data.simple.SimpleFeatureSource;
import org.geotools.factory.CommonFactoryFinder;
import org.geotools.feature.SchemaException;
import org.geotools.feature.simple.SimpleFeatureBuilder;
import org.geotools.filter.IllegalFilterException;
import org.opengis.feature.IllegalAttributeException;
import org.opengis.feature.simple.SimpleFeature;
import org.opengis.feature.simple.SimpleFeatureType;
import org.opengis.filter.Filter;
import org.opengis.filter.FilterFactory;
import com.vividsolutions.jts.geom.Coordinate;
import com.vividsolutions.jts.geom.GeometryFactory;
import junit.framework.TestCase;
import org.geotools.data.Query;
/**
*
*
* @source $URL$
*/
public class DefaultViewTest extends TestCase {
String typeName = "type1";
private MemoryDataStore ds;
protected void setUp() throws Exception {
super.setUp();
SimpleFeatureType ft=DataUtilities.createType(typeName, "geom:Point,name:String,id:int");
ds=new MemoryDataStore();
ds.addFeature(createFeatures(ft,1));
ds.addFeature(createFeatures(ft,2));
ds.addFeature(createFeatures(ft,3));
ds.addFeature(createFeatures(ft,4));
}
private SimpleFeature createFeatures(SimpleFeatureType ft, int i) throws IllegalAttributeException {
GeometryFactory fac=new GeometryFactory();
return SimpleFeatureBuilder.build(ft,new Object[]{
fac.createPoint(new Coordinate(i,i)),
"name"+i,
new Integer(i)
}, null);
}
public void testGetFeatures() throws Exception {
SimpleFeatureSource view = getView();
SimpleFeatureIterator features = view.getFeatures().features();
int count=0;
while( features.hasNext() ){
count++;
features.next();
}
assertEquals(2, count);
}
public void testGetFeaturesQuery() throws Exception {
SimpleFeatureSource view = getView();
SimpleFeatureIterator features = view.getFeatures(getQuery()).features();
int count=0;
while( features.hasNext() ){
count++;
features.next();
}
assertEquals(1, count);
}
public void testGetFeaturesFilter() throws Exception {
SimpleFeatureSource view = getView();
Filter f = getFilter();
SimpleFeatureIterator features = view.getFeatures(f).features();
int count=0;
while( features.hasNext() ){
count++;
features.next();
}
assertEquals(1, count);
}
public void testGetCount() throws Exception {
SimpleFeatureSource view = getView();
Query query = getQuery();
int count = view.getCount(query);
assertEquals(1, count);
}
private Query getQuery() throws IllegalFilterException {
Filter f = getFilter();
Query query = new Query(typeName, f, new String[0]);
return query;
}
private Filter getFilter() throws IllegalFilterException {
FilterFactory fac = CommonFactoryFinder.getFilterFactory(null);
Filter f = fac.equals(fac.property("name"), fac.literal("name2"));
return f;
}
private SimpleFeatureSource getView() throws IllegalFilterException, IOException, SchemaException {
FilterFactory fac = CommonFactoryFinder.getFilterFactory(null);
Filter f = fac.less(fac.property("id"), fac.literal(3));
SimpleFeatureSource view = DataUtilities.createView(ds, new Query(typeName, f));
return view;
}
}