/*
* GeoTools - The Open Source Java GIS Toolkit
* http://geotools.org
*
* (C) 2003-2008, 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.memory;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.NoSuchElementException;
import org.geotools.data.DataStore;
import org.geotools.data.DataTestCase;
import org.geotools.data.DataUtilities;
import org.geotools.data.DefaultQuery;
import org.geotools.data.DefaultTransaction;
import org.geotools.data.DiffFeatureReader;
import org.geotools.data.EmptyFeatureReader;
import org.geotools.data.EmptyFeatureWriter;
import org.geotools.data.FeatureEvent;
import org.geotools.data.FeatureListener;
import org.geotools.data.FeatureLock;
import org.geotools.data.FeatureLocking;
import org.geotools.data.FeatureReader;
import org.geotools.data.FeatureSource;
import org.geotools.data.FeatureWriter;
import org.geotools.data.FilteringFeatureReader;
import org.geotools.data.FilteringFeatureWriter;
import org.geotools.data.InProcessLockingManager;
import org.geotools.data.Query;
import org.geotools.data.Transaction;
import org.geotools.data.TransactionStateDiff;
import org.geotools.data.simple.SimpleFeatureCollection;
import org.geotools.data.simple.SimpleFeatureIterator;
import org.geotools.data.simple.SimpleFeatureLocking;
import org.geotools.data.simple.SimpleFeatureSource;
import org.geotools.data.simple.SimpleFeatureStore;
import org.geotools.factory.CommonFactoryFinder;
import org.geotools.feature.IllegalAttributeException;
import org.geotools.feature.simple.SimpleFeatureBuilder;
import org.geotools.geometry.jts.ReferencedEnvelope;
import org.opengis.feature.simple.SimpleFeature;
import org.opengis.feature.simple.SimpleFeatureType;
import org.opengis.feature.type.AttributeDescriptor;
import org.opengis.filter.Filter;
import org.opengis.filter.FilterFactory;
import org.opengis.filter.Id;
import com.vividsolutions.jts.geom.Coordinate;
import com.vividsolutions.jts.geom.Envelope;
import com.vividsolutions.jts.geom.Geometry;
import com.vividsolutions.jts.geom.GeometryFactory;
import com.vividsolutions.jts.geom.MultiLineString;
/**
* DOCUMENT ME!
*
* @author Jody Garnett, Refractions Research
*
*
* @source $URL$
*/
public class MemoryDataStoreTest extends DataTestCase {
MemoryDataStore data;
/**
* Constructor for MemoryDataStoreTest.
*
* @param arg0
*/
public MemoryDataStoreTest( String arg0 ) {
super(arg0);
}
/*
* @see TestCase#setUp()
*/
protected void setUp() throws Exception {
super.setUp();
data = new MemoryDataStore();
data.addFeatures(roadFeatures);
data.addFeatures(riverFeatures);
}
/*
* @see TestCase#tearDown()
*/
protected void tearDown() throws Exception {
data = null;
super.tearDown();
}
public void testEmpty() throws Exception {
SimpleFeatureType type = DataUtilities.createType("namespace.typename",
"name:String,id:0,geom:MultiLineString");
MemoryDataStore memory = new MemoryDataStore( type );
FeatureSource source = memory.getFeatureSource( "typename");
assertEquals( 0, source.getCount(Query.ALL) );
}
public void testFixture() throws Exception {
SimpleFeatureType type = DataUtilities.createType("namespace.typename",
"name:String,id:0,geom:MultiLineString");
assertEquals("namespace", "namespace", type.getName().getNamespaceURI());
assertEquals("typename", "typename", type.getTypeName());
assertEquals("attributes", 3, type.getAttributeCount());
assertEquals("a1", "name", type.getDescriptor(0).getLocalName());
assertEquals("a1", String.class, type.getDescriptor(0).getType().getBinding());
assertEquals("a2", "id", type.getDescriptor(1).getLocalName());
assertEquals("a2", Integer.class, type.getDescriptor(1).getType().getBinding());
assertEquals("a3", "geom", type.getDescriptor(2).getLocalName());
assertEquals("a3", MultiLineString.class, type.getDescriptor(2).getType().getBinding());
}
public void testMemoryDataStore() throws Exception {
DataStore store = new MemoryDataStore();
}
/*
* Test for void MemoryDataStore(SimpleFeatureCollection)
*/
public void testMemoryDataStoreFeatureCollection() {
DataStore store = new MemoryDataStore(DataUtilities.collection(roadFeatures));
}
/*
* Test for void MemoryDataStore(FeatureReader)
*/
public void testMemoryDataStoreFeatureArray() throws IOException {
DataStore store = new MemoryDataStore(roadFeatures);
}
/*
* Test for void MemoryDataStore(FeatureReader)
*/
public void testMemoryDataStoreFeatureReader() throws IOException {
FeatureReader<SimpleFeatureType, SimpleFeature> reader = DataUtilities.reader(roadFeatures);
DataStore store = new MemoryDataStore(reader);
}
public void testGetFeatureTypes() {
String[] names = data.getTypeNames();
assertEquals(2, names.length);
assertTrue(contains(names, "road"));
assertTrue(contains(names, "river"));
}
boolean contains( Object[] array, Object expected ) {
if ((array == null) || (array.length == 0)) {
return false;
}
for( int i = 0; i < array.length; i++ ) {
if (array[i].equals(expected)) {
return true;
}
}
return false;
}
/**
* Like contain but based on match rather than equals
*
* @param array DOCUMENT ME!
* @param expected DOCUMENT ME!
* @return DOCUMENT ME!
*/
boolean containsLax( SimpleFeature[] array, SimpleFeature expected ) {
if ((array == null) || (array.length == 0)) {
return false;
}
SimpleFeatureType type = expected.getFeatureType();
for( int i = 0; i < array.length; i++ ) {
if (match(array[i], expected)) {
return true;
}
}
return false;
}
/**
* Compare based on attributes not getID allows comparison of Diff contents
*
* @param expected DOCUMENT ME!
* @param actual DOCUMENT ME!
* @return DOCUMENT ME!
*/
boolean match( SimpleFeature expected, SimpleFeature actual ) {
SimpleFeatureType type = expected.getFeatureType();
for( int i = 0; i < type.getAttributeCount(); i++ ) {
Object av = actual.getAttribute(i);
Object ev = expected.getAttribute(i);
if ((av == null) && (ev != null)) {
return false;
} else if ((ev == null) && (av != null)) {
return false;
} else if (!av.equals(ev)) {
return false;
}
}
return true;
}
public void testGetSchema() throws IOException {
assertSame(roadType, data.getSchema("road"));
assertSame(riverType, data.getSchema("river"));
}
void assertCovers( String msg, SimpleFeatureCollection c1, SimpleFeatureCollection c2 ) {
if (c1 == c2) {
return;
}
assertNotNull(msg, c1);
assertNotNull(msg, c2);
assertEquals(msg + " size", c1.size(), c2.size());
SimpleFeature f;
for( SimpleFeatureIterator i = c1.features(); i.hasNext(); ) {
f = i.next();
assertTrue(msg + " " + f.getID(), c2.contains(f));
}
}
public void testGetFeatureReader() throws IOException, IllegalAttributeException {
FeatureReader<SimpleFeatureType, SimpleFeature> reader = data.getFeatureReader("road");
assertCovered(roadFeatures, reader);
assertEquals(false, reader.hasNext());
}
public void testGetFeatureReaderMutability() throws IOException, IllegalAttributeException {
FeatureReader<SimpleFeatureType, SimpleFeature> reader = data.getFeatureReader("road");
SimpleFeature feature;
while( reader.hasNext() ) {
feature = (SimpleFeature) reader.next();
feature.setAttribute("name", null);
}
reader.close();
reader = data.getFeatureReader("road");
while( reader.hasNext() ) {
feature = (SimpleFeature) reader.next();
assertNotNull(feature.getAttribute("name"));
}
reader.close();
try {
reader.next();
fail("next should fail with an IOException");
} catch (IOException expected) {
}
}
public void testGetFeatureReaderConcurancy() throws NoSuchElementException, IOException,
IllegalAttributeException {
FeatureReader<SimpleFeatureType, SimpleFeature> reader1 = data.getFeatureReader("road");
FeatureReader<SimpleFeatureType, SimpleFeature> reader2 = data.getFeatureReader("road");
FeatureReader<SimpleFeatureType, SimpleFeature> reader3 = data.getFeatureReader("river");
SimpleFeature feature1;
SimpleFeature feature2;
SimpleFeature feature3;
while( reader1.hasNext() || reader2.hasNext() || reader3.hasNext() ) {
assertTrue(contains(roadFeatures, reader1.next()));
assertTrue(contains(roadFeatures, reader2.next()));
if (reader3.hasNext()) {
assertTrue(contains(riverFeatures, reader3.next()));
}
}
try {
reader1.next();
fail("next should fail with an IOException");
} catch (IOException expected) {
}
try {
reader2.next();
fail("next should fail with an IOException");
} catch (IOException expected) {
}
try {
reader3.next();
fail("next should fail with an IOException");
} catch (IOException expected) {
}
reader1.close();
reader2.close();
reader3.close();
}
public void testGetFeatureReaderFilterAutoCommit() throws NoSuchElementException, IOException,
IllegalAttributeException {
SimpleFeatureType type = data.getSchema("road");
FeatureReader<SimpleFeatureType, SimpleFeature> reader;
reader = data.getFeatureReader(new DefaultQuery("road"), Transaction.AUTO_COMMIT);
assertFalse(reader instanceof FilteringFeatureReader);
assertEquals(type, reader.getFeatureType());
assertEquals(roadFeatures.length, count(reader));
reader = data.getFeatureReader(new DefaultQuery("road", Filter.EXCLUDE),
Transaction.AUTO_COMMIT);
assertTrue(reader instanceof EmptyFeatureReader);
assertEquals(type, reader.getFeatureType());
assertEquals(0, count(reader));
reader = data
.getFeatureReader(new DefaultQuery("road", rd1Filter), Transaction.AUTO_COMMIT);
assertTrue(reader instanceof FilteringFeatureReader);
assertEquals(type, reader.getFeatureType());
assertEquals(1, count(reader));
}
public void testGetFeatureReaderFilterTransaction() throws NoSuchElementException, IOException,
IllegalAttributeException {
Transaction t = new DefaultTransaction();
SimpleFeatureType type = data.getSchema("road");
FeatureReader<SimpleFeatureType, SimpleFeature> reader;
reader = data.getFeatureReader(new DefaultQuery("road", Filter.EXCLUDE), t);
assertTrue(reader instanceof EmptyFeatureReader);
assertEquals(type, reader.getFeatureType());
assertEquals(0, count(reader));
reader = data.getFeatureReader(new DefaultQuery("road"), t);
assertTrue(reader instanceof DiffFeatureReader);
assertEquals(type, reader.getFeatureType());
assertEquals(roadFeatures.length, count(reader));
reader = data.getFeatureReader(new DefaultQuery("road", rd1Filter), t);
// assertTrue(reader instanceof DiffFeatureReader);//Currently wrapped by a filtering
// feature reader
assertEquals(type, reader.getFeatureType());
assertEquals(1, count(reader));
TransactionStateDiff state = (TransactionStateDiff) t.getState(data);
FeatureWriter<SimpleFeatureType, SimpleFeature> writer = state.writer("road", Filter.INCLUDE);
SimpleFeature feature;
while( writer.hasNext() ) {
feature = writer.next();
if (feature.getID().equals("road.rd1")) {
writer.remove();
}
}
reader = data.getFeatureReader(new DefaultQuery("road", Filter.EXCLUDE), t);
assertEquals(0, count(reader));
reader = data.getFeatureReader(new DefaultQuery("road"), t);
assertEquals(roadFeatures.length - 1, count(reader));
reader = data.getFeatureReader(new DefaultQuery("road", rd1Filter), t);
assertEquals(0, count(reader));
t.rollback();
reader = data.getFeatureReader(new DefaultQuery("road", Filter.EXCLUDE), t);
assertEquals(0, count(reader));
reader = data.getFeatureReader(new DefaultQuery("road"), t);
assertEquals(roadFeatures.length, count(reader));
reader = data.getFeatureReader(new DefaultQuery("road", rd1Filter), t);
assertEquals(1, count(reader));
}
/**
* When a data store is loaded with a reader, it would be nice if the memory
* data store preserved feature order, so that features are always rendered
* the same way (rendering is different if order changes and features do overlap)
*/
public void testOrderPreservationRoad() throws Exception {
assertOrderSame(roadFeatures);
}
public void testOrderPreservationRiver() throws Exception {
assertOrderSame(riverFeatures);
}
public void testOrderPreservationMemFetures() throws Exception {
SimpleFeature[] dynFeatures = new SimpleFeature[3];
dynFeatures[0] = SimpleFeatureBuilder.build(roadType, new Object[] {
new Integer(1),
line(new int[] { 1, 1, 2, 2, 4, 2, 5, 1 }),
"r1"
}, null
);
dynFeatures[1] = SimpleFeatureBuilder.build(roadType, new Object[] {
new Integer(2), line(new int[] { 3, 0, 3, 2, 3, 3, 3, 4 }),
"r2"
}, null
);
dynFeatures[2] = SimpleFeatureBuilder.build(roadType, new Object[] {
new Integer(3),
line(new int[] { 3, 2, 4, 2, 5, 3 }), "r3"
}, null
);
assertOrderSame(dynFeatures);
}
void assertOrderSame(SimpleFeature[] features) throws Exception {
// init using readers
FeatureReader<SimpleFeatureType, SimpleFeature> reader = DataUtilities.reader(features);
DataStore store1 = new MemoryDataStore(reader);
assertReaderOrderSame(features, store1);
// init using array directly
DataStore store2 = new MemoryDataStore(features);
assertReaderOrderSame(features, store2);
}
private void assertReaderOrderSame(SimpleFeature[] features, DataStore store) throws IOException, IllegalAttributeException {
FeatureReader<SimpleFeatureType, SimpleFeature> r1 = store.getFeatureReader(new DefaultQuery(features[0].getFeatureType().getTypeName()), Transaction.AUTO_COMMIT);
FeatureReader<SimpleFeatureType, SimpleFeature> r2 = DataUtilities.reader(features);
while(r1.hasNext() && r2.hasNext()) {
SimpleFeature f1 = r1.next();
SimpleFeature f2 = r2.next();
assertEquals(f1, f2);
}
assertEquals(r1.hasNext(), r2.hasNext());
r1.close();
r2.close();
}
void assertCovered(SimpleFeature[] features, FeatureReader<SimpleFeatureType, SimpleFeature> reader)
throws NoSuchElementException, IOException, IllegalAttributeException {
int count = 0;
try {
while( reader.hasNext() ) {
assertTrue(contains(features, reader.next()));
count++;
}
} finally {
reader.close();
}
assertEquals(features.length, count);
}
/**
* Ensure that FeatureReader<SimpleFeatureType, SimpleFeature> reader contains extactly the contents of array.
*
* @param reader DOCUMENT ME!
* @param array DOCUMENT ME!
* @return DOCUMENT ME!
* @throws NoSuchElementException DOCUMENT ME!
* @throws IOException DOCUMENT ME!
* @throws IllegalAttributeException DOCUMENT ME!
*/
boolean covers( FeatureReader<SimpleFeatureType, SimpleFeature> reader, SimpleFeature[] array ) throws NoSuchElementException,
IOException, IllegalAttributeException {
SimpleFeature feature;
int count = 0;
try {
while( reader.hasNext() ) {
feature = reader.next();
if (!contains(array, feature)) {
return false;
}
count++;
}
} finally {
reader.close();
}
return count == array.length;
}
boolean covers( SimpleFeatureIterator reader, SimpleFeature[] array ) throws NoSuchElementException,
IOException, IllegalAttributeException {
SimpleFeature feature;
int count = 0;
try {
while( reader.hasNext() ) {
feature = reader.next();
if (!contains(array, feature)) {
return false;
}
count++;
}
} finally {
reader.close();
}
return count == array.length;
}
boolean coversLax( FeatureReader<SimpleFeatureType, SimpleFeature> reader, SimpleFeature[] array ) throws NoSuchElementException,
IOException, IllegalAttributeException {
SimpleFeature feature;
int count = 0;
try {
while( reader.hasNext() ) {
feature = reader.next();
if (!containsLax(array, feature)) {
return false;
}
count++;
}
} finally {
reader.close();
}
return count == array.length;
}
boolean coversLax( SimpleFeatureIterator reader, SimpleFeature[] array ) throws NoSuchElementException,
IOException, IllegalAttributeException {
SimpleFeature feature;
int count = 0;
try {
while( reader.hasNext() ) {
feature = reader.next();
if (!containsLax(array, feature)) {
return false;
}
count++;
}
} finally {
reader.close();
}
return count == array.length;
}
void dump( FeatureReader<SimpleFeatureType, SimpleFeature> reader ) throws NoSuchElementException, IOException,
IllegalAttributeException {
SimpleFeature feature;
int count = 0;
try {
while( reader.hasNext() ) {
feature = reader.next();
System.out.println(count + " feature:" + feature);
count++;
}
} finally {
reader.close();
}
}
void dump( Object[] array ) {
for( int i = 0; i < array.length; i++ ) {
System.out.println(i + " feature:" + array[i]);
}
}
/*
* Test for FeatureWriter getFeatureWriter(String, Filter, Transaction)
*/
public void testGetFeatureWriter() throws NoSuchElementException, IOException,
IllegalAttributeException {
FeatureWriter<SimpleFeatureType, SimpleFeature> writer = data.getFeatureWriter("road", Transaction.AUTO_COMMIT);
assertEquals(roadFeatures.length, count(writer));
try {
writer.hasNext();
fail("Should not be able to use a closed writer");
} catch (IOException expected) {
}
try {
writer.next();
fail("Should not be able to use a closed writer");
} catch (IOException expected) {
}
}
public void testGetFeatureWriterRemove() throws IOException, IllegalAttributeException {
FeatureWriter<SimpleFeatureType, SimpleFeature> writer = data.getFeatureWriter("road", Transaction.AUTO_COMMIT);
SimpleFeature feature;
while( writer.hasNext() ) {
feature = writer.next();
if (feature.getID().equals("road.rd1")) {
writer.remove();
}
}
assertEquals(roadFeatures.length - 1, data.features("road").size());
}
public void testGetFeaturesWriterAdd() throws IOException, IllegalAttributeException {
FeatureWriter<SimpleFeatureType, SimpleFeature> writer = data.getFeatureWriter("road", Transaction.AUTO_COMMIT);
SimpleFeature feature;
while( writer.hasNext() ) {
feature = (SimpleFeature) writer.next();
}
assertFalse(writer.hasNext());
feature = (SimpleFeature) writer.next();
feature.setAttributes(newRoad.getAttributes());
writer.write();
assertFalse(writer.hasNext());
assertEquals(roadFeatures.length + 1, data.features("road").size());
}
public void testGetFeaturesWriterModify() throws IOException, IllegalAttributeException {
FeatureWriter<SimpleFeatureType, SimpleFeature> writer = data.getFeatureWriter("road", Transaction.AUTO_COMMIT);
SimpleFeature feature;
while( writer.hasNext() ) {
feature = writer.next();
if (feature.getID().equals("road.rd1")) {
feature.setAttribute("name", "changed");
writer.write();
}
}
feature = (SimpleFeature) data.features("road").get("road.rd1");
assertEquals("changed", feature.getAttribute("name"));
}
public void testGetFeatureWriterTypeNameTransaction() throws NoSuchElementException,
IOException, IllegalAttributeException {
FeatureWriter<SimpleFeatureType, SimpleFeature> writer;
writer = data.getFeatureWriter("road", Transaction.AUTO_COMMIT);
assertEquals(roadFeatures.length, count(writer));
writer.close();
}
public void testGetFeatureWriterAppendTypeNameTransaction() throws Exception {
FeatureWriter<SimpleFeatureType, SimpleFeature> writer;
writer = data.getFeatureWriterAppend("road", Transaction.AUTO_COMMIT);
assertEquals(0, count(writer));
writer.close();
}
/*
* Test for FeatureWriter getFeatureWriter(String, boolean, Transaction)
*/
public void testGetFeatureWriterFilter() throws NoSuchElementException, IOException,
IllegalAttributeException {
FeatureWriter<SimpleFeatureType, SimpleFeature> writer;
writer = data.getFeatureWriter("road", Filter.EXCLUDE, Transaction.AUTO_COMMIT);
assertTrue(writer instanceof EmptyFeatureWriter);
assertEquals(0, count(writer));
writer = data.getFeatureWriter("road", Filter.INCLUDE, Transaction.AUTO_COMMIT);
assertFalse(writer instanceof FilteringFeatureWriter);
assertEquals(roadFeatures.length, count(writer));
writer = data.getFeatureWriter("road", rd1Filter, Transaction.AUTO_COMMIT);
assertTrue(writer instanceof FilteringFeatureWriter);
assertEquals(1, count(writer));
}
/**
* Test two transactions one removing feature, and one adding a feature.
*
* @throws Exception DOCUMENT ME!
*/
public void testGetFeatureWriterTransaction() throws Exception {
Transaction t1 = new DefaultTransaction();
Transaction t2 = new DefaultTransaction();
FeatureWriter<SimpleFeatureType, SimpleFeature> writer1 = data.getFeatureWriter("road", rd1Filter, t1);
FeatureWriter<SimpleFeatureType, SimpleFeature> writer2 = data.getFeatureWriterAppend("road", t2);
SimpleFeatureType road = data.getSchema("road");
FeatureReader<SimpleFeatureType, SimpleFeature> reader;
SimpleFeature feature;
SimpleFeature[] ORIGIONAL = roadFeatures;
SimpleFeature[] REMOVE = new SimpleFeature[ORIGIONAL.length - 1];
SimpleFeature[] ADD = new SimpleFeature[ORIGIONAL.length + 1];
SimpleFeature[] FINAL = new SimpleFeature[ORIGIONAL.length];
int i;
int index;
index = 0;
for( i = 0; i < ORIGIONAL.length; i++ ) {
feature = ORIGIONAL[i];
if (!feature.getID().equals("road.rd1")) {
REMOVE[index++] = feature;
}
}
for( i = 0; i < ORIGIONAL.length; i++ ) {
ADD[i] = ORIGIONAL[i];
}
ADD[i] = newRoad;
for( i = 0; i < REMOVE.length; i++ ) {
FINAL[i] = REMOVE[i];
}
FINAL[i] = newRoad;
// start of with ORIGINAL
reader = data.getFeatureReader(new DefaultQuery("road"), Transaction.AUTO_COMMIT);
assertTrue(covers(reader, ORIGIONAL));
// writer 1 removes road.rd1 on t1
// -------------------------------
// - tests transaction independence from DataStore
while( writer1.hasNext() ) {
feature = (SimpleFeature) writer1.next();
assertEquals("road.rd1", feature.getID());
writer1.remove();
}
// still have ORIGIONAL and t1 has REMOVE
reader = data.getFeatureReader(new DefaultQuery("road"), Transaction.AUTO_COMMIT);
assertTrue(covers(reader, ORIGIONAL));
reader = data.getFeatureReader(new DefaultQuery("road"), t1);
assertTrue(covers(reader, REMOVE));
// close writer1
// --------------
// ensure that modification is left up to transaction commmit
writer1.close();
// We still have ORIGIONAL and t1 has REMOVE
reader = data.getFeatureReader(new DefaultQuery("road"), Transaction.AUTO_COMMIT);
assertTrue(covers(reader, ORIGIONAL));
reader = data.getFeatureReader(new DefaultQuery("road"), t1);
assertTrue(covers(reader, REMOVE));
// writer 2 adds road.rd4 on t2
// ----------------------------
// - tests transaction independence from each other
feature = (SimpleFeature) writer2.next();
feature.setAttributes(newRoad.getAttributes());
writer2.write();
// We still have ORIGIONAL and t2 has ADD
reader = data.getFeatureReader(new DefaultQuery("road"), Transaction.AUTO_COMMIT);
assertTrue(covers(reader, ORIGIONAL));
reader = data.getFeatureReader(new DefaultQuery("road"), t2);
assertTrue(coversLax(reader, ADD));
// close writer2
// -------------
// ensure that modification is left up to transaction commmit
writer2.close();
// Still have ORIGIONAL and t2 has ADD
reader = data.getFeatureReader(new DefaultQuery("road"), Transaction.AUTO_COMMIT);
assertTrue(covers(reader, ORIGIONAL));
reader = data.getFeatureReader(new DefaultQuery("road"), t2);
assertTrue(coversLax(reader, ADD));
// commit t1
// ---------
// -ensure that delayed writing of transactions takes place
//
t1.commit();
// We now have REMOVE, as does t1 (which has not additional diffs)
// t2 will have FINAL
reader = data.getFeatureReader(new DefaultQuery("road"), Transaction.AUTO_COMMIT);
assertTrue(covers(reader, REMOVE));
reader = data.getFeatureReader(new DefaultQuery("road"), t1);
assertTrue(covers(reader, REMOVE));
reader = data.getFeatureReader(new DefaultQuery("road"), t2);
assertTrue(coversLax(reader, FINAL));
// commit t2
// ---------
// -ensure that everyone is FINAL at the end of the day
t2.commit();
// We now have Number( remove one and add one)
reader = data.getFeatureReader(new DefaultQuery("road"), Transaction.AUTO_COMMIT);
reader = data.getFeatureReader(new DefaultQuery("road"), Transaction.AUTO_COMMIT);
assertTrue(coversLax(reader, FINAL));
reader = data.getFeatureReader(new DefaultQuery("road"), t1);
assertTrue(coversLax(reader, FINAL));
reader = data.getFeatureReader(new DefaultQuery("road"), t2);
assertTrue(coversLax(reader, FINAL));
}
/**
* Test the transaction when multiple edits occur using a transaction and a fid filter.
*/
public void testModifyInTransactionFidFilter() throws Exception {
Transaction t1 = new DefaultTransaction();
GeometryFactory fac = new GeometryFactory();
FeatureWriter<SimpleFeatureType, SimpleFeature> writer1 = data.getFeatureWriter("road", rd1Filter, t1);
writer1.next().setDefaultGeometry(
fac.createLineString(new Coordinate[]{new Coordinate(0, 0), new Coordinate(0, 1)}));
writer1.write();
writer1.close();
FeatureReader<SimpleFeatureType, SimpleFeature> reader = data.getFeatureReader(new DefaultQuery("road", rd1Filter), t1);
Geometry geom1 = (Geometry) reader.next().getDefaultGeometry();
reader.close();
assertEquals(new Coordinate(0, 0), geom1.getCoordinates()[0]);
assertEquals(new Coordinate(0, 1), geom1.getCoordinates()[1]);
writer1 = data.getFeatureWriter("road", rd1Filter, t1);
writer1.next().setDefaultGeometry(
fac
.createLineString(new Coordinate[]{new Coordinate(10, 0),
new Coordinate(10, 1)}));
writer1.write();
writer1.close();
reader = data.getFeatureReader(new DefaultQuery("road", rd1Filter), t1);
geom1 = (Geometry) reader.next().getDefaultGeometry();
reader.close();
assertEquals(new Coordinate(10, 0), geom1.getCoordinates()[0]);
assertEquals(new Coordinate(10, 1), geom1.getCoordinates()[1]);
FeatureWriter<SimpleFeatureType, SimpleFeature> writer = data.getFeatureWriterAppend("road", t1);
SimpleFeature feature = writer.next();
feature.setDefaultGeometry(fac.createLineString(new Coordinate[]{new Coordinate(20, 0),
new Coordinate(20, 1)}));
writer.write();
writer.close();
FilterFactory filterFactory = CommonFactoryFinder.getFilterFactory(null);
Id filter = filterFactory.id(Collections
.singleton(filterFactory.featureId(feature.getID())));
reader = data.getFeatureReader(new DefaultQuery("road", filter), t1);
geom1 = (Geometry) reader.next().getDefaultGeometry();
reader.close();
assertEquals(new Coordinate(20, 0), geom1.getCoordinates()[0]);
assertEquals(new Coordinate(20, 1), geom1.getCoordinates()[1]);
writer1 = data.getFeatureWriter("road", filter, t1);
writer1.next().setDefaultGeometry(
fac
.createLineString(new Coordinate[]{new Coordinate(30, 0),
new Coordinate(30, 1)}));
writer1.write();
writer1.close();
reader = data.getFeatureReader(new DefaultQuery("road", filter), t1);
geom1 = (Geometry) reader.next().getDefaultGeometry();
reader.close();
assertEquals(new Coordinate(30, 0), geom1.getCoordinates()[0]);
assertEquals(new Coordinate(30, 1), geom1.getCoordinates()[1]);
}
// Feature Source Testing
public void testGetFeatureSourceRoad() throws IOException {
SimpleFeatureSource road = data.getFeatureSource("road");
assertSame(roadType, road.getSchema());
assertSame(data, road.getDataStore());
assertEquals(3, road.getCount(Query.ALL));
assertEquals(new ReferencedEnvelope(1, 5, 0, 4, null), road.getBounds(Query.ALL));
SimpleFeatureCollection all = road.getFeatures();
assertEquals(3, all.size());
assertEquals(roadBounds, all.getBounds());
SimpleFeatureCollection expected = DataUtilities.collection(roadFeatures);
assertCovers("all", expected, all);
assertEquals(roadBounds, all.getBounds());
SimpleFeatureCollection some = road.getFeatures(rd12Filter);
assertEquals(2, some.size());
assertEquals(rd12Bounds, some.getBounds());
assertEquals(some.getSchema(), road.getSchema());
DefaultQuery query = new DefaultQuery("road", rd12Filter, new String[]{"name",});
SimpleFeatureCollection half = road.getFeatures(query);
assertEquals(2, half.size());
assertEquals(1, half.getSchema().getAttributeCount());
SimpleFeatureIterator reader = half.features();
SimpleFeatureType type = half.getSchema();
reader.close();
SimpleFeatureType actual = half.getSchema();
assertEquals(type.getTypeName(), actual.getTypeName());
assertEquals(type.getName(), actual.getName());
assertEquals(type.getAttributeCount(), actual.getAttributeCount());
for( int i = 0; i < type.getAttributeCount(); i++ ) {
assertEquals(type.getDescriptor(i), actual.getDescriptor(i));
}
assertNull(type.getGeometryDescriptor());
assertEquals(type.getGeometryDescriptor(), actual.getGeometryDescriptor());
assertEquals(type, actual);
Envelope b = half.getBounds();
assertEquals(new Envelope(1, 5, 0, 4), b);
}
public void testGetFeatureSourceRiver() throws NoSuchElementException, IOException,
IllegalAttributeException {
SimpleFeatureSource river = data.getFeatureSource("river");
assertSame(riverType, river.getSchema());
assertSame(data, river.getDataStore());
SimpleFeatureCollection all = river.getFeatures();
assertEquals(2, all.size());
assertEquals(riverBounds, all.getBounds());
assertTrue("rivers", covers(all.features(), riverFeatures));
SimpleFeatureCollection expected = DataUtilities.collection(riverFeatures);
assertCovers("all", expected, all);
assertEquals(riverBounds, all.getBounds());
}
//
// Feature Store Testing
//
public void testGetFeatureStoreModifyFeatures1() throws IOException {
SimpleFeatureStore road = (SimpleFeatureStore) data.getFeatureSource("road");
AttributeDescriptor name = roadType.getDescriptor("name");
road.modifyFeatures(name, "changed", rd1Filter);
SimpleFeatureCollection results = road.getFeatures(rd1Filter);
assertEquals("changed", results.features().next().getAttribute("name"));
}
public void testGetFeatureStoreModifyFeatures2() throws IOException {
SimpleFeatureStore road = (SimpleFeatureStore) data.getFeatureSource("road");
AttributeDescriptor name = roadType.getDescriptor("name");
road.modifyFeatures(new AttributeDescriptor[]{name}, new Object[]{"changed",}, rd1Filter);
SimpleFeatureCollection results = road.getFeatures(rd1Filter);
assertEquals("changed", results.features().next().getAttribute("name"));
}
public void testGetFeatureStoreRemoveFeatures() throws IOException {
SimpleFeatureStore road = (SimpleFeatureStore) data.getFeatureSource("road");
road.removeFeatures(rd1Filter);
assertEquals(0, road.getFeatures(rd1Filter).size());
assertEquals(roadFeatures.length - 1, road.getFeatures().size());
}
public void testGetFeatureStoreAddFeatures() throws IOException {
FeatureReader<SimpleFeatureType, SimpleFeature> reader = DataUtilities.reader(new SimpleFeature[]{newRoad,});
SimpleFeatureStore road = (SimpleFeatureStore) data.getFeatureSource("road");
road.addFeatures(DataUtilities.collection(reader));
assertEquals(roadFeatures.length + 1, road.getFeatures().size());
}
public void testGetFeatureStoreSetFeatures() throws IOException {
FeatureReader<SimpleFeatureType, SimpleFeature> reader = DataUtilities.reader(new SimpleFeature[]{newRoad,});
SimpleFeatureStore road = (SimpleFeatureStore) data.getFeatureSource("road");
road.setFeatures(reader);
assertEquals(1, road.getFeatures().size());
}
public void testGetFeatureStoreTransactionSupport() throws Exception {
Transaction t1 = new DefaultTransaction();
Transaction t2 = new DefaultTransaction();
SimpleFeatureStore road = (SimpleFeatureStore) data.getFeatureSource("road");
SimpleFeatureStore road1 = (SimpleFeatureStore) data.getFeatureSource("road");
SimpleFeatureStore road2 = (SimpleFeatureStore) data.getFeatureSource("road");
road1.setTransaction(t1);
road2.setTransaction(t2);
SimpleFeature feature;
SimpleFeature[] ORIGIONAL = roadFeatures;
SimpleFeature[] REMOVE = new SimpleFeature[ORIGIONAL.length - 1];
SimpleFeature[] ADD = new SimpleFeature[ORIGIONAL.length + 1];
SimpleFeature[] FINAL = new SimpleFeature[ORIGIONAL.length];
int i;
int index;
index = 0;
for( i = 0; i < ORIGIONAL.length; i++ ) {
feature = ORIGIONAL[i];
if (!feature.getID().equals("road.rd1")) {
REMOVE[index++] = feature;
}
}
for( i = 0; i < ORIGIONAL.length; i++ ) {
ADD[i] = ORIGIONAL[i];
}
ADD[i] = newRoad;
for( i = 0; i < REMOVE.length; i++ ) {
FINAL[i] = REMOVE[i];
}
FINAL[i] = newRoad;
// start of with ORIGINAL
assertTrue(covers(road.getFeatures().features(), ORIGIONAL));
// road1 removes road.rd1 on t1
// -------------------------------
// - tests transaction independence from DataStore
road1.removeFeatures(rd1Filter);
// still have ORIGIONAL and t1 has REMOVE
assertTrue(covers(road.getFeatures().features(), ORIGIONAL));
assertTrue(covers(road1.getFeatures().features(), REMOVE));
// road2 adds road.rd4 on t2
// ----------------------------
// - tests transaction independence from each other
FeatureReader<SimpleFeatureType, SimpleFeature> reader = DataUtilities.reader(new SimpleFeature[]{newRoad,});
road2.addFeatures(DataUtilities.collection(reader));
// We still have ORIGIONAL, t1 has REMOVE, and t2 has ADD
assertTrue(covers(road.getFeatures().features(), ORIGIONAL));
assertTrue(covers(road1.getFeatures().features(), REMOVE));
assertTrue(coversLax(road2.getFeatures().features(), ADD));
// commit t1
// ---------
// -ensure that delayed writing of transactions takes place
//
t1.commit();
// We now have REMOVE, as does t1 (which has not additional diffs)
// t2 will have FINAL
assertTrue(covers(road.getFeatures().features(), REMOVE));
assertTrue(covers(road1.getFeatures().features(), REMOVE));
assertTrue(coversLax(road2.getFeatures().features(), FINAL));
// commit t2
// ---------
// -ensure that everyone is FINAL at the end of the day
t2.commit();
// We now have Number( remove one and add one)
assertTrue(coversLax(road.getFeatures().features(), FINAL));
assertTrue(coversLax(road1.getFeatures().features(), FINAL));
assertTrue(coversLax(road2.getFeatures().features(), FINAL));
}
boolean isLocked( String typeName, String fid ) {
InProcessLockingManager lockingManager = (InProcessLockingManager) data.getLockingManager();
return lockingManager.isLocked(typeName, fid);
}
public void testFeatureEvents() throws Exception {
SimpleFeatureStore store1 = (SimpleFeatureStore) data.getFeatureSource(roadFeatures[0].getFeatureType()
.getTypeName());
SimpleFeatureStore store2 = (SimpleFeatureStore) data.getFeatureSource(roadFeatures[0].getFeatureType()
.getTypeName());
store1.setTransaction(new DefaultTransaction());
class Listener implements FeatureListener {
String name;
List events = new ArrayList();
public Listener( String name ) {
this.name = name;
}
public void changed( FeatureEvent featureEvent ) {
this.events.add(featureEvent);
}
FeatureEvent getEvent( int i ) {
return (FeatureEvent) events.get(i);
}
}
Listener listener1 = new Listener("one");
Listener listener2 = new Listener("two");
store1.addFeatureListener(listener1);
store2.addFeatureListener(listener2);
FilterFactory factory = CommonFactoryFinder.getFilterFactory(null);
// test that only the listener listening with the current transaction gets the event.
final SimpleFeature feature = roadFeatures[0];
store1.removeFeatures(factory.id(Collections.singleton(factory.featureId(feature.getID()))));
assertEquals(1, listener1.events.size());
assertEquals(0, listener2.events.size());
FeatureEvent event = listener1.getEvent(0);
assertEquals(feature.getBounds(), event.getBounds());
assertEquals(FeatureEvent.FEATURES_REMOVED, event.getEventType());
// test that commit only sends events to listener2.
listener1.events.clear();
listener2.events.clear();
store1.getTransaction().commit();
assertEquals(0, listener1.events.size());
assertEquals(3, listener2.events.size());
event = listener2.getEvent(0);
assertEquals(feature.getBounds(), event.getBounds());
assertEquals(FeatureEvent.FEATURES_REMOVED, event.getEventType());
// test add same as modify
listener1.events.clear();
listener2.events.clear();
store1.addFeatures(DataUtilities.collection(feature));
assertEquals(1, listener1.events.size());
event = listener1.getEvent(0);
assertEquals(feature.getBounds(), event.getBounds());
assertEquals(FeatureEvent.FEATURES_ADDED, event.getEventType());
assertEquals(0, listener2.events.size());
// test that rollback only sends events to listener1.
listener1.events.clear();
listener2.events.clear();
store1.getTransaction().rollback();
assertEquals(1, listener1.events.size());
event = listener1.getEvent(0);
assertNull(event.getBounds());
assertEquals(FeatureEvent.FEATURES_CHANGED, event.getEventType());
assertEquals(0, listener2.events.size());
// this is how Auto_commit is supposed to work
listener1.events.clear();
listener2.events.clear();
store2.addFeatures(DataUtilities.collection(feature));
assertEquals(1, listener1.events.size());
event = listener1.getEvent(0);
assertEquals(feature.getBounds(), event.getBounds());
assertEquals(FeatureEvent.FEATURES_ADDED, event.getEventType());
assertEquals(0, listener2.events.size());
}
//
// FeatureLocking Testing
//
/*
* Test for void lockFeatures()
*/
public void testLockFeatures() throws IOException {
FeatureLock lock = new FeatureLock("test", 3600);
SimpleFeatureLocking road = (SimpleFeatureLocking) data.getFeatureSource("road");
road.setFeatureLock(lock);
assertFalse(isLocked("road", "road.rd1"));
road.lockFeatures();
assertTrue(isLocked("road", "road.rd1"));
}
public void testUnLockFeatures() throws IOException {
FeatureLock lock = new FeatureLock("test", 3600);
FeatureLocking<SimpleFeatureType, SimpleFeature> road = (FeatureLocking<SimpleFeatureType, SimpleFeature>) data.getFeatureSource("road");
road.setFeatureLock(lock);
road.lockFeatures();
try {
road.unLockFeatures();
fail("unlock should fail due on AUTO_COMMIT");
} catch (IOException expected) {
}
Transaction t = new DefaultTransaction();
road.setTransaction(t);
try {
road.unLockFeatures();
fail("unlock should fail due lack of authorization");
} catch (IOException expected) {
}
t.addAuthorization(lock.getAuthorization());
road.unLockFeatures();
}
public void testLockFeatureInteraction() throws IOException {
FeatureLock lockA = new FeatureLock("LockA", 3600);
FeatureLock lockB = new FeatureLock("LockB", 3600);
Transaction t1 = new DefaultTransaction();
Transaction t2 = new DefaultTransaction();
FeatureLocking<SimpleFeatureType, SimpleFeature> road1 = (FeatureLocking<SimpleFeatureType, SimpleFeature>) data.getFeatureSource("road");
FeatureLocking<SimpleFeatureType, SimpleFeature> road2 = (FeatureLocking<SimpleFeatureType, SimpleFeature>) data.getFeatureSource("road");
road1.setTransaction(t1);
road2.setTransaction(t2);
road1.setFeatureLock(lockA);
road2.setFeatureLock(lockB);
assertFalse(isLocked("road", "road.rd1"));
assertFalse(isLocked("road", "road.rd2"));
assertFalse(isLocked("road", "road.rd3"));
road1.lockFeatures(rd1Filter);
assertTrue(isLocked("road", "road.rd1"));
assertFalse(isLocked("road", "road.rd2"));
assertFalse(isLocked("road", "road.rd3"));
road2.lockFeatures(rd2Filter);
assertTrue(isLocked("road", "road.rd1"));
assertTrue(isLocked("road", "road.rd2"));
assertFalse(isLocked("road", "road.rd3"));
try {
road1.unLockFeatures(rd1Filter);
fail("need authorization");
} catch (IOException expected) {
}
t1.addAuthorization(lockA.getAuthorization());
try {
road1.unLockFeatures(rd2Filter);
fail("need correct authorization");
} catch (IOException expected) {
}
road1.unLockFeatures(rd1Filter);
assertFalse(isLocked("road", "road.rd1"));
assertTrue(isLocked("road", "road.rd2"));
assertFalse(isLocked("road", "road.rd3"));
t2.addAuthorization(lockB.getAuthorization());
road2.unLockFeatures(rd2Filter);
assertFalse(isLocked("road", "road.rd1"));
assertFalse(isLocked("road", "road.rd2"));
assertFalse(isLocked("road", "road.rd3"));
}
public void testGetFeatureLockingExpire() throws Exception {
FeatureLock lock = new FeatureLock("Timed", 500);
FeatureLocking<SimpleFeatureType, SimpleFeature> road = (FeatureLocking<SimpleFeatureType, SimpleFeature>) data.getFeatureSource("road");
road.setFeatureLock(lock);
assertFalse(isLocked("road", "road.rd1"));
road.lockFeatures(rd1Filter);
assertTrue(isLocked("road", "road.rd1"));
long then = System.currentTimeMillis();
do {
Thread.sleep( 15 );
} while ( then > System.currentTimeMillis() - 515 );
assertFalse(isLocked("road", "road.rd1"));
}
}