@Test
public void testScale() throws IOException {
final ByteArrayId adapterId = new ByteArrayId(ftype.getTypeName());
final Random r = new Random(3434);
for (int i = 0; i < 10000; i++) {
final SimpleFeature feature =
createTestFeature(
"f" + i,
new Coordinate(
round(30.0 + (r.nextGaussian() * 0.0001)),
round(30.0 + (r.nextGaussian() * 0.0001))));
mapDriver.addInput(new GeoWaveInputKey(adapterId, new ByteArrayId(feature.getID())), feature);
}
final List<Pair<PartitionDataWritable, AdapterWithObjectWritable>> mapperResults =
mapDriver.run();
final List<Pair<PartitionDataWritable, List<AdapterWithObjectWritable>>> partitions =
getReducerDataFromMapperInput(mapperResults);
reduceDriver.addAll(partitions);
reduceDriver
.getConfiguration()
.setInt(
GeoWaveConfiguratorBase.enumToConfKey(
NNMapReduce.class, ClusteringParameters.Clustering.MINIMUM_SIZE),
10);
final List<Pair<GeoWaveInputKey, ObjectWritable>> reduceResults = reduceDriver.run();
assertTrue(reduceResults.size() > 0);
}
protected void generateData(
MapDriver<LongWritable, TripleWritable, LongWritable, QuadWritable> driver, int num) {
for (int i = 0; i < num; i++) {
Triple t =
new Triple(
NodeFactory.createURI("http://subjects/" + i),
NodeFactory.createURI("http://predicate"),
NodeFactory.createLiteral(Integer.toString(i), XSDDatatype.XSDinteger));
Quad q = new Quad(t.getSubject(), t);
driver.addInput(new LongWritable(i), new TripleWritable(t));
driver.addOutput(new LongWritable(i), new QuadWritable(q));
}
}
@Test
public void testReducer() throws IOException {
final ByteArrayId adapterId = new ByteArrayId(ftype.getTypeName());
final SimpleFeature feature1 = createTestFeature("f1", new Coordinate(30.0, 30.00000001));
final SimpleFeature feature2 = createTestFeature("f2", new Coordinate(50.001, 50.001));
final SimpleFeature feature3 =
createTestFeature("f3", new Coordinate(30.00000001, 30.00000001));
final SimpleFeature feature4 = createTestFeature("f4", new Coordinate(50.0011, 50.00105));
final SimpleFeature feature5 = createTestFeature("f5", new Coordinate(50.00112, 50.00111));
final SimpleFeature feature6 =
createTestFeature("f6", new Coordinate(30.00000001, 30.00000002));
final SimpleFeature feature7 = createTestFeature("f7", new Coordinate(50.00113, 50.00114));
final SimpleFeature feature8 =
createTestFeature("f8", new Coordinate(40.00000001, 40.000000002));
mapDriver.addInput(new GeoWaveInputKey(adapterId, new ByteArrayId(feature1.getID())), feature1);
mapDriver.addInput(new GeoWaveInputKey(adapterId, new ByteArrayId(feature2.getID())), feature2);
mapDriver.addInput(new GeoWaveInputKey(adapterId, new ByteArrayId(feature3.getID())), feature3);
mapDriver.addInput(new GeoWaveInputKey(adapterId, new ByteArrayId(feature4.getID())), feature4);
mapDriver.addInput(new GeoWaveInputKey(adapterId, new ByteArrayId(feature5.getID())), feature5);
mapDriver.addInput(new GeoWaveInputKey(adapterId, new ByteArrayId(feature6.getID())), feature6);
mapDriver.addInput(new GeoWaveInputKey(adapterId, new ByteArrayId(feature7.getID())), feature7);
mapDriver.addInput(new GeoWaveInputKey(adapterId, new ByteArrayId(feature8.getID())), feature8);
final List<Pair<PartitionDataWritable, AdapterWithObjectWritable>> mapperResults =
mapDriver.run();
assertNotNull(getPartitionDataFor(mapperResults, feature1.getID(), true));
assertNotNull(getPartitionDataFor(mapperResults, feature2.getID(), true));
assertNotNull(getPartitionDataFor(mapperResults, feature2.getID(), true));
assertNotNull(getPartitionDataFor(mapperResults, feature3.getID(), true));
assertEquals(
getPartitionDataFor(mapperResults, feature1.getID(), true).getId(),
getPartitionDataFor(mapperResults, feature3.getID(), true).getId());
assertEquals(
getPartitionDataFor(mapperResults, feature6.getID(), true).getId(),
getPartitionDataFor(mapperResults, feature3.getID(), true).getId());
assertEquals(
getPartitionDataFor(mapperResults, feature5.getID(), true).getId(),
getPartitionDataFor(mapperResults, feature7.getID(), true).getId());
assertEquals(
getPartitionDataFor(mapperResults, feature5.getID(), true).getId(),
getPartitionDataFor(mapperResults, feature4.getID(), true).getId());
final List<Pair<PartitionDataWritable, List<AdapterWithObjectWritable>>> partitions =
getReducerDataFromMapperInput(mapperResults);
reduceDriver.addAll(partitions);
reduceDriver
.getConfiguration()
.setInt(
GeoWaveConfiguratorBase.enumToConfKey(
NNMapReduce.class, ClusteringParameters.Clustering.MINIMUM_SIZE),
2);
final List<Pair<GeoWaveInputKey, ObjectWritable>> reduceResults = reduceDriver.run();
assertEquals(2, reduceResults.size());
/*
* assertEquals( feature3.getID(), find( reduceResults,
* feature1.getID()).toString());
*
* assertEquals( feature1.getID(), find( reduceResults,
* feature3.getID()).toString());
*
* assertEquals( feature4.getID(), find( reduceResults,
* feature2.getID()).toString());
*
* assertEquals( feature2.getID(), find( reduceResults,
* feature4.getID()).toString());
*/
}