/*
* 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.shapefile.ng.fid;
import java.io.IOException;
import java.net.URL;
import java.util.Collections;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import org.geotools.data.Query;
import org.geotools.data.shapefile.ng.ShapefileDataStore;
import org.geotools.data.simple.SimpleFeatureCollection;
import org.geotools.data.simple.SimpleFeatureIterator;
import org.geotools.data.simple.SimpleFeatureStore;
import org.geotools.factory.CommonFactoryFinder;
import org.geotools.feature.FeatureCollections;
import org.geotools.feature.simple.SimpleFeatureBuilder;
import org.opengis.feature.simple.SimpleFeature;
import org.opengis.feature.simple.SimpleFeatureType;
import org.opengis.filter.Filter;
import org.opengis.filter.FilterFactory2;
import org.opengis.filter.Id;
import org.opengis.filter.identity.FeatureId;
import com.vividsolutions.jts.geom.Coordinate;
import com.vividsolutions.jts.geom.GeometryFactory;
/**
*
*
* @source $URL$
*/
public class FidQueryTest extends FIDTestCase {
public FidQueryTest() throws IOException {
super("FidQueryTest");
}
private ShapefileDataStore ds;
private static final FilterFactory2 fac = CommonFactoryFinder.getFilterFactory2(null);
Map<String, SimpleFeature> fids = new HashMap<String, SimpleFeature>();
SimpleFeatureStore featureStore;
private int numFeatures;
protected void setUp() throws Exception {
super.setUp();
URL url = backshp.toURI().toURL();
ds = new ShapefileDataStore(url);
numFeatures = 0;
featureStore = (SimpleFeatureStore) ds.getFeatureSource();
{
SimpleFeatureIterator features = featureStore.getFeatures().features();
try {
while (features.hasNext()) {
numFeatures++;
SimpleFeature feature = features.next();
fids.put(feature.getID(), feature);
}
} finally {
if (features != null)
features.close();
}
assertEquals(numFeatures, fids.size());
}
}
@Override
protected void tearDown() throws Exception {
ds.dispose();
super.tearDown();
}
public void testGetByFID() throws Exception {
assertFidsMatch();
}
public void testAddFeature() throws Exception {
SimpleFeature feature = fids.values().iterator().next();
SimpleFeatureType schema = ds.getSchema();
SimpleFeatureBuilder build = new SimpleFeatureBuilder(schema);
GeometryFactory gf = new GeometryFactory();
build.add(gf.createPoint((new Coordinate(0, 0))));
build.add(new Long(0));
build.add(new Long(0));
build.add("Hey");
SimpleFeature newFeature = build.buildFeature(null);
SimpleFeatureCollection collection = FeatureCollections.newCollection();
collection.add(newFeature);
List<FeatureId> newFids = featureStore.addFeatures(collection);
assertEquals(1, newFids.size());
// this.assertFidsMatch();
Query query = new Query(schema.getTypeName());
FeatureId id = newFids.iterator().next();
String fid = id.getID();
Filter filter = fac.id(Collections.singleton(id));
query.setFilter(filter);
SimpleFeatureIterator features = featureStore.getFeatures(query).features();
try {
feature = features.next();
for (int i = 0; i < schema.getAttributeCount(); i++) {
Object value = feature.getAttribute(i);
Object newValue = newFeature.getAttribute(i);
assertEquals(newValue, value);
}
assertFalse(features.hasNext());
} finally {
if (features != null)
features.close();
}
}
public void testModifyFeature() throws Exception {
SimpleFeature feature = this.fids.values().iterator().next();
int newId = 237594123;
FilterFactory2 ff = CommonFactoryFinder.getFilterFactory2(null);
Id createFidFilter = ff.id(Collections.singleton(ff.featureId(feature.getID())));
SimpleFeatureType schema = feature.getFeatureType();
featureStore
.modifyFeatures(schema.getDescriptor("ID"), new Integer(newId), createFidFilter);
SimpleFeatureIterator features = featureStore.getFeatures(createFidFilter).features();
try {
assertFalse(feature.equals(features.next()));
} finally {
if (features != null) {
features.close();
}
}
feature.setAttribute("ID", new Integer(newId));
this.assertFidsMatch();
}
public void testDeleteFeature() throws Exception {
SimpleFeatureIterator features = featureStore.getFeatures().features();
SimpleFeature feature;
try {
feature = features.next();
} finally {
if (features != null) {
features.close();
}
}
FilterFactory2 ff = CommonFactoryFinder.getFilterFactory2(null);
Id fidFilter = ff.id(Collections.singleton(ff.featureId(feature.getID())));
featureStore.removeFeatures(fidFilter);
fids.remove(feature.getID());
assertEquals(fids.size(), featureStore.getCount(Query.ALL));
features = featureStore.getFeatures(fidFilter).features();
try {
assertFalse(features.hasNext());
} finally {
if (features != null)
features.close();
}
this.assertFidsMatch();
}
private void assertFidsMatch() throws IOException {
// long start = System.currentTimeMillis();
Query query = new Query(featureStore.getSchema().getTypeName());
int i = 0;
for (Iterator iter = fids.entrySet().iterator(); iter.hasNext();) {
i++;
Map.Entry entry = (Map.Entry) iter.next();
String fid = (String) entry.getKey();
FeatureId id = fac.featureId(fid);
Filter filter = fac.id(Collections.singleton(id));
query.setFilter(filter);
SimpleFeatureIterator features = featureStore.getFeatures(query).features();
try {
assertTrue("Missing feature for fid " + fid, features.hasNext());
SimpleFeature feature = features.next();
assertFalse("More than one feature with fid " + fid, features.hasNext());
assertEquals(i + "th feature", entry.getValue(), feature);
} finally {
if (features != null)
features.close();
}
}
}
}