Java Code Examples for org.apache.flink.runtime.operators.testutils.TestData#MockTuple2Reader

The following examples show how to use org.apache.flink.runtime.operators.testutils.TestData#MockTuple2Reader . These examples are extracted from open source projects. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
@Test
public void testCombine() throws Exception
{
	int noKeys = 100;
	int noKeyCnt = 10000;

	TestData.MockTuple2Reader<Tuple2<Integer, Integer>> reader = TestData.getIntIntTupleReader();

	LOG.debug("initializing sortmerger");
	
	TestCountCombiner comb = new TestCountCombiner();
	
	Sorter<Tuple2<Integer, Integer>> merger = new CombiningUnilateralSortMerger<>(comb,
			this.memoryManager, this.ioManager, reader, this.parentTask, this.serializerFactory2, this.comparator2,
			0.25, 64, 0.7f, true /* use large record handler */, false);

	final Tuple2<Integer, Integer> rec = new Tuple2<>();
	rec.setField(1, 1);
	
	for (int i = 0; i < noKeyCnt; i++) {
		for (int j = 0; j < noKeys; j++) {
			rec.setField(j, 0);
			reader.emit(rec);
		}
	}
	reader.close();
	
	MutableObjectIterator<Tuple2<Integer, Integer>> iterator = merger.getIterator();

	Iterator<Integer> result = getReducingIterator(iterator, serializerFactory2.getSerializer(), comparator2.duplicate());
	while (result.hasNext()) {
		Assert.assertEquals(noKeyCnt, result.next().intValue());
	}
	
	merger.close();
	
	// if the combiner was opened, it must have been closed
	Assert.assertTrue(comb.opened == comb.closed);
}
 
Example 2
@Test
public void testCombineSpilling() throws Exception {
	int noKeys = 100;
	int noKeyCnt = 10000;

	TestData.MockTuple2Reader<Tuple2<Integer, Integer>> reader = TestData.getIntIntTupleReader();

	LOG.debug("initializing sortmerger");
	
	TestCountCombiner comb = new TestCountCombiner();
	
	Sorter<Tuple2<Integer, Integer>> merger = new CombiningUnilateralSortMerger<>(comb,
			this.memoryManager, this.ioManager, reader, this.parentTask, this.serializerFactory2, this.comparator2,
			0.01, 64, 0.005f, true /* use large record handler */, true);

	final Tuple2<Integer, Integer> rec = new Tuple2<>();
	rec.setField(1, 1);
	
	for (int i = 0; i < noKeyCnt; i++) {
		for (int j = 0; j < noKeys; j++) {
			rec.setField(j, 0);
			reader.emit(rec);
		}
	}
	reader.close();
	
	MutableObjectIterator<Tuple2<Integer, Integer>> iterator = merger.getIterator();

	Iterator<Integer> result = getReducingIterator(iterator, serializerFactory2.getSerializer(), comparator2.duplicate());
	while (result.hasNext()) {
		Assert.assertEquals(noKeyCnt, result.next().intValue());
	}
	
	merger.close();
	
	// if the combiner was opened, it must have been closed
	Assert.assertTrue(comb.opened == comb.closed);
}
 
Example 3
@Test
public void testCombineSpillingDisableObjectReuse() throws Exception {
	int noKeys = 100;
	int noKeyCnt = 10000;

	TestData.MockTuple2Reader<Tuple2<Integer, Integer>> reader = TestData.getIntIntTupleReader();

	LOG.debug("initializing sortmerger");

	MaterializedCountCombiner comb = new MaterializedCountCombiner();

	// set maxNumFileHandles = 2 to trigger multiple channel merging
	Sorter<Tuple2<Integer, Integer>> merger = new CombiningUnilateralSortMerger<>(comb,
			this.memoryManager, this.ioManager, reader, this.parentTask, this.serializerFactory2, this.comparator2,
			0.01, 2, 0.005f, true /* use large record handler */, false);

	final Tuple2<Integer, Integer> rec = new Tuple2<>();

	for (int i = 0; i < noKeyCnt; i++) {
		rec.setField(i, 0);
		for (int j = 0; j < noKeys; j++) {
			rec.setField(j, 1);
			reader.emit(rec);
		}
	}
	reader.close();

	MutableObjectIterator<Tuple2<Integer, Integer>> iterator = merger.getIterator();
	Iterator<Integer> result = getReducingIterator(iterator, serializerFactory2.getSerializer(), comparator2.duplicate());
	while (result.hasNext()) {
		Assert.assertEquals(4950, result.next().intValue());
	}

	merger.close();
}
 
Example 4
@Test
public void testCombine() throws Exception
{
	int noKeys = 100;
	int noKeyCnt = 10000;

	TestData.MockTuple2Reader<Tuple2<Integer, Integer>> reader = TestData.getIntIntTupleReader();

	LOG.debug("initializing sortmerger");
	
	TestCountCombiner comb = new TestCountCombiner();
	
	Sorter<Tuple2<Integer, Integer>> merger = new CombiningUnilateralSortMerger<>(comb,
			this.memoryManager, this.ioManager, reader, this.parentTask, this.serializerFactory2, this.comparator2,
			0.25, 64, 0.7f, true /* use large record handler */, false);

	final Tuple2<Integer, Integer> rec = new Tuple2<>();
	rec.setField(1, 1);
	
	for (int i = 0; i < noKeyCnt; i++) {
		for (int j = 0; j < noKeys; j++) {
			rec.setField(j, 0);
			reader.emit(rec);
		}
	}
	reader.close();
	
	MutableObjectIterator<Tuple2<Integer, Integer>> iterator = merger.getIterator();

	Iterator<Integer> result = getReducingIterator(iterator, serializerFactory2.getSerializer(), comparator2.duplicate());
	while (result.hasNext()) {
		Assert.assertEquals(noKeyCnt, result.next().intValue());
	}
	
	merger.close();
	
	// if the combiner was opened, it must have been closed
	Assert.assertTrue(comb.opened == comb.closed);
}
 
Example 5
@Test
public void testCombineSpilling() throws Exception {
	int noKeys = 100;
	int noKeyCnt = 10000;

	TestData.MockTuple2Reader<Tuple2<Integer, Integer>> reader = TestData.getIntIntTupleReader();

	LOG.debug("initializing sortmerger");
	
	TestCountCombiner comb = new TestCountCombiner();
	
	Sorter<Tuple2<Integer, Integer>> merger = new CombiningUnilateralSortMerger<>(comb,
			this.memoryManager, this.ioManager, reader, this.parentTask, this.serializerFactory2, this.comparator2,
			0.01, 64, 0.005f, true /* use large record handler */, true);

	final Tuple2<Integer, Integer> rec = new Tuple2<>();
	rec.setField(1, 1);
	
	for (int i = 0; i < noKeyCnt; i++) {
		for (int j = 0; j < noKeys; j++) {
			rec.setField(j, 0);
			reader.emit(rec);
		}
	}
	reader.close();
	
	MutableObjectIterator<Tuple2<Integer, Integer>> iterator = merger.getIterator();

	Iterator<Integer> result = getReducingIterator(iterator, serializerFactory2.getSerializer(), comparator2.duplicate());
	while (result.hasNext()) {
		Assert.assertEquals(noKeyCnt, result.next().intValue());
	}
	
	merger.close();
	
	// if the combiner was opened, it must have been closed
	Assert.assertTrue(comb.opened == comb.closed);
}
 
Example 6
@Test
public void testCombineSpillingDisableObjectReuse() throws Exception {
	int noKeys = 100;
	int noKeyCnt = 10000;

	TestData.MockTuple2Reader<Tuple2<Integer, Integer>> reader = TestData.getIntIntTupleReader();

	LOG.debug("initializing sortmerger");

	MaterializedCountCombiner comb = new MaterializedCountCombiner();

	// set maxNumFileHandles = 2 to trigger multiple channel merging
	Sorter<Tuple2<Integer, Integer>> merger = new CombiningUnilateralSortMerger<>(comb,
			this.memoryManager, this.ioManager, reader, this.parentTask, this.serializerFactory2, this.comparator2,
			0.01, 2, 0.005f, true /* use large record handler */, false);

	final Tuple2<Integer, Integer> rec = new Tuple2<>();

	for (int i = 0; i < noKeyCnt; i++) {
		rec.setField(i, 0);
		for (int j = 0; j < noKeys; j++) {
			rec.setField(j, 1);
			reader.emit(rec);
		}
	}
	reader.close();

	MutableObjectIterator<Tuple2<Integer, Integer>> iterator = merger.getIterator();
	Iterator<Integer> result = getReducingIterator(iterator, serializerFactory2.getSerializer(), comparator2.duplicate());
	while (result.hasNext()) {
		Assert.assertEquals(4950, result.next().intValue());
	}

	merger.close();
}
 
Example 7
@Test
public void testCombine() throws Exception
{
	int noKeys = 100;
	int noKeyCnt = 10000;

	TestData.MockTuple2Reader<Tuple2<Integer, Integer>> reader = TestData.getIntIntTupleReader();

	LOG.debug("initializing sortmerger");
	
	TestCountCombiner comb = new TestCountCombiner();
	
	Sorter<Tuple2<Integer, Integer>> merger = new CombiningUnilateralSortMerger<>(comb,
			this.memoryManager, this.ioManager, reader, this.parentTask, this.serializerFactory2, this.comparator2,
			0.25, 64, 0.7f, true /* use large record handler */, false);

	final Tuple2<Integer, Integer> rec = new Tuple2<>();
	rec.setField(1, 1);
	
	for (int i = 0; i < noKeyCnt; i++) {
		for (int j = 0; j < noKeys; j++) {
			rec.setField(j, 0);
			reader.emit(rec);
		}
	}
	reader.close();
	
	MutableObjectIterator<Tuple2<Integer, Integer>> iterator = merger.getIterator();

	Iterator<Integer> result = getReducingIterator(iterator, serializerFactory2.getSerializer(), comparator2.duplicate());
	while (result.hasNext()) {
		Assert.assertEquals(noKeyCnt, result.next().intValue());
	}
	
	merger.close();
	
	// if the combiner was opened, it must have been closed
	Assert.assertTrue(comb.opened == comb.closed);
}
 
Example 8
@Test
public void testCombineSpilling() throws Exception {
	int noKeys = 100;
	int noKeyCnt = 10000;

	TestData.MockTuple2Reader<Tuple2<Integer, Integer>> reader = TestData.getIntIntTupleReader();

	LOG.debug("initializing sortmerger");
	
	TestCountCombiner comb = new TestCountCombiner();
	
	Sorter<Tuple2<Integer, Integer>> merger = new CombiningUnilateralSortMerger<>(comb,
			this.memoryManager, this.ioManager, reader, this.parentTask, this.serializerFactory2, this.comparator2,
			0.01, 64, 0.005f, true /* use large record handler */, true);

	final Tuple2<Integer, Integer> rec = new Tuple2<>();
	rec.setField(1, 1);
	
	for (int i = 0; i < noKeyCnt; i++) {
		for (int j = 0; j < noKeys; j++) {
			rec.setField(j, 0);
			reader.emit(rec);
		}
	}
	reader.close();
	
	MutableObjectIterator<Tuple2<Integer, Integer>> iterator = merger.getIterator();

	Iterator<Integer> result = getReducingIterator(iterator, serializerFactory2.getSerializer(), comparator2.duplicate());
	while (result.hasNext()) {
		Assert.assertEquals(noKeyCnt, result.next().intValue());
	}
	
	merger.close();
	
	// if the combiner was opened, it must have been closed
	Assert.assertTrue(comb.opened == comb.closed);
}
 
Example 9
@Test
public void testCombineSpillingDisableObjectReuse() throws Exception {
	int noKeys = 100;
	int noKeyCnt = 10000;

	TestData.MockTuple2Reader<Tuple2<Integer, Integer>> reader = TestData.getIntIntTupleReader();

	LOG.debug("initializing sortmerger");

	MaterializedCountCombiner comb = new MaterializedCountCombiner();

	// set maxNumFileHandles = 2 to trigger multiple channel merging
	Sorter<Tuple2<Integer, Integer>> merger = new CombiningUnilateralSortMerger<>(comb,
			this.memoryManager, this.ioManager, reader, this.parentTask, this.serializerFactory2, this.comparator2,
			0.01, 2, 0.005f, true /* use large record handler */, false);

	final Tuple2<Integer, Integer> rec = new Tuple2<>();

	for (int i = 0; i < noKeyCnt; i++) {
		rec.setField(i, 0);
		for (int j = 0; j < noKeys; j++) {
			rec.setField(j, 1);
			reader.emit(rec);
		}
	}
	reader.close();

	MutableObjectIterator<Tuple2<Integer, Integer>> iterator = merger.getIterator();
	Iterator<Integer> result = getReducingIterator(iterator, serializerFactory2.getSerializer(), comparator2.duplicate());
	while (result.hasNext()) {
		Assert.assertEquals(4950, result.next().intValue());
	}

	merger.close();
}
 
Example 10
@Test
public void testSortAndValidate() throws Exception
{
	final Hashtable<Integer, Integer> countTable = new Hashtable<>(KEY_MAX);
	for (int i = 1; i <= KEY_MAX; i++) {
		countTable.put(i, 0);
	}

	// comparator
	final TypeComparator<Integer> keyComparator = new IntComparator(true);

	// reader
	TestData.MockTuple2Reader<Tuple2<Integer, String>> reader = TestData.getIntStringTupleReader();

	// merge iterator
	LOG.debug("initializing sortmerger");
	
	TestCountCombiner2 comb = new TestCountCombiner2();
	
	Sorter<Tuple2<Integer, String>> merger = new CombiningUnilateralSortMerger<>(comb,
			this.memoryManager, this.ioManager, reader, this.parentTask, this.serializerFactory1, this.comparator1,
			0.25, 2, 0.7f, true /* use large record handler */, false);

	// emit data
	LOG.debug("emitting data");
	TestData.TupleGenerator generator = new TestData.TupleGenerator(SEED, KEY_MAX, VALUE_LENGTH, KeyMode.RANDOM, ValueMode.FIX_LENGTH);
	Tuple2<Integer, String> rec = new Tuple2<>();
	
	for (int i = 0; i < NUM_PAIRS; i++) {
		Assert.assertTrue((rec = generator.next(rec)) != null);
		final Integer key = rec.f0;
		rec.setField("1", 1);
		reader.emit(rec);
		
		countTable.put(key, countTable.get(key) + 1);
	}
	reader.close();

	// check order
	MutableObjectIterator<Tuple2<Integer, String>> iterator = merger.getIterator();
	
	LOG.debug("checking results");
	
	Tuple2<Integer, String> rec1 = new Tuple2<>();
	Tuple2<Integer, String> rec2 = new Tuple2<>();
	
	Assert.assertTrue((rec1 = iterator.next(rec1)) != null);
	countTable.put(rec1.f0, countTable.get(rec1.f0) - (Integer.parseInt(rec1.f1)));

	while ((rec2 = iterator.next(rec2)) != null) {
		int k1 = rec1.f0;
		int k2 = rec2.f0;
		
		Assert.assertTrue(keyComparator.compare(k1, k2) <= 0); 
		countTable.put(k2, countTable.get(k2) - (Integer.parseInt(rec2.f1)));
		
		rec1 = rec2;
	}

	for (Integer cnt : countTable.values()) {
		Assert.assertTrue(cnt == 0);
	}
	
	merger.close();
	
	// if the combiner was opened, it must have been closed
	Assert.assertTrue(comb.opened == comb.closed);
}
 
Example 11
@Test
public void testSortAndValidate() throws Exception
{
	final Hashtable<Integer, Integer> countTable = new Hashtable<>(KEY_MAX);
	for (int i = 1; i <= KEY_MAX; i++) {
		countTable.put(i, 0);
	}

	// comparator
	final TypeComparator<Integer> keyComparator = new IntComparator(true);

	// reader
	TestData.MockTuple2Reader<Tuple2<Integer, String>> reader = TestData.getIntStringTupleReader();

	// merge iterator
	LOG.debug("initializing sortmerger");
	
	TestCountCombiner2 comb = new TestCountCombiner2();
	
	Sorter<Tuple2<Integer, String>> merger = new CombiningUnilateralSortMerger<>(comb,
			this.memoryManager, this.ioManager, reader, this.parentTask, this.serializerFactory1, this.comparator1,
			0.25, 2, 0.7f, true /* use large record handler */, false);

	// emit data
	LOG.debug("emitting data");
	TestData.TupleGenerator generator = new TestData.TupleGenerator(SEED, KEY_MAX, VALUE_LENGTH, KeyMode.RANDOM, ValueMode.FIX_LENGTH);
	Tuple2<Integer, String> rec = new Tuple2<>();
	
	for (int i = 0; i < NUM_PAIRS; i++) {
		Assert.assertTrue((rec = generator.next(rec)) != null);
		final Integer key = rec.f0;
		rec.setField("1", 1);
		reader.emit(rec);
		
		countTable.put(key, countTable.get(key) + 1);
	}
	reader.close();

	// check order
	MutableObjectIterator<Tuple2<Integer, String>> iterator = merger.getIterator();
	
	LOG.debug("checking results");
	
	Tuple2<Integer, String> rec1 = new Tuple2<>();
	Tuple2<Integer, String> rec2 = new Tuple2<>();
	
	Assert.assertTrue((rec1 = iterator.next(rec1)) != null);
	countTable.put(rec1.f0, countTable.get(rec1.f0) - (Integer.parseInt(rec1.f1)));

	while ((rec2 = iterator.next(rec2)) != null) {
		int k1 = rec1.f0;
		int k2 = rec2.f0;
		
		Assert.assertTrue(keyComparator.compare(k1, k2) <= 0); 
		countTable.put(k2, countTable.get(k2) - (Integer.parseInt(rec2.f1)));
		
		rec1 = rec2;
	}

	for (Integer cnt : countTable.values()) {
		Assert.assertTrue(cnt == 0);
	}
	
	merger.close();
	
	// if the combiner was opened, it must have been closed
	Assert.assertTrue(comb.opened == comb.closed);
}
 
Example 12
@Test
public void testSortAndValidate() throws Exception
{
	final Hashtable<Integer, Integer> countTable = new Hashtable<>(KEY_MAX);
	for (int i = 1; i <= KEY_MAX; i++) {
		countTable.put(i, 0);
	}

	// comparator
	final TypeComparator<Integer> keyComparator = new IntComparator(true);

	// reader
	TestData.MockTuple2Reader<Tuple2<Integer, String>> reader = TestData.getIntStringTupleReader();

	// merge iterator
	LOG.debug("initializing sortmerger");
	
	TestCountCombiner2 comb = new TestCountCombiner2();
	
	Sorter<Tuple2<Integer, String>> merger = new CombiningUnilateralSortMerger<>(comb,
			this.memoryManager, this.ioManager, reader, this.parentTask, this.serializerFactory1, this.comparator1,
			0.25, 2, 0.7f, true /* use large record handler */, false);

	// emit data
	LOG.debug("emitting data");
	TestData.TupleGenerator generator = new TestData.TupleGenerator(SEED, KEY_MAX, VALUE_LENGTH, KeyMode.RANDOM, ValueMode.FIX_LENGTH);
	Tuple2<Integer, String> rec = new Tuple2<>();
	
	for (int i = 0; i < NUM_PAIRS; i++) {
		Assert.assertTrue((rec = generator.next(rec)) != null);
		final Integer key = rec.f0;
		rec.setField("1", 1);
		reader.emit(rec);
		
		countTable.put(key, countTable.get(key) + 1);
	}
	reader.close();

	// check order
	MutableObjectIterator<Tuple2<Integer, String>> iterator = merger.getIterator();
	
	LOG.debug("checking results");
	
	Tuple2<Integer, String> rec1 = new Tuple2<>();
	Tuple2<Integer, String> rec2 = new Tuple2<>();
	
	Assert.assertTrue((rec1 = iterator.next(rec1)) != null);
	countTable.put(rec1.f0, countTable.get(rec1.f0) - (Integer.parseInt(rec1.f1)));

	while ((rec2 = iterator.next(rec2)) != null) {
		int k1 = rec1.f0;
		int k2 = rec2.f0;
		
		Assert.assertTrue(keyComparator.compare(k1, k2) <= 0); 
		countTable.put(k2, countTable.get(k2) - (Integer.parseInt(rec2.f1)));
		
		rec1 = rec2;
	}

	for (Integer cnt : countTable.values()) {
		Assert.assertTrue(cnt == 0);
	}
	
	merger.close();
	
	// if the combiner was opened, it must have been closed
	Assert.assertTrue(comb.opened == comb.closed);
}