Examples with DummyInvokable org.apache.flink.runtime.operators.testutils.DummyInvokable used on opensource projects

Example 21 with DummyInvokable

use of org.apache.flink.runtime.operators.testutils.DummyInvokable in project flink by apache.

the class FixedLengthRecordSorterTest method testWriteAndIterator.

@Test
public void testWriteAndIterator() throws Exception {
    final int numSegments = MEMORY_SIZE / MEMORY_PAGE_SIZE;
    final List<MemorySegment> memory = this.memoryManager.allocatePages(new DummyInvokable(), numSegments);
    FixedLengthRecordSorter<IntPair> sorter = newSortBuffer(memory);
    RandomIntPairGenerator generator = new RandomIntPairGenerator(SEED);
    // write the records
    IntPair record = new IntPair();
    int num = -1;
    do {
        generator.next(record);
        num++;
    } while (sorter.write(record));
    // re-read the records
    generator.reset();
    MutableObjectIterator<IntPair> iter = sorter.getIterator();
    IntPair readTarget = new IntPair();
    int count = 0;
    while ((readTarget = iter.next(readTarget)) != null) {
        count++;
        generator.next(record);
        int rk = readTarget.getKey();
        int gk = record.getKey();
        int rv = readTarget.getValue();
        int gv = record.getValue();
        Assert.assertEquals("The re-read key is wrong", gk, rk);
        Assert.assertEquals("The re-read value is wrong", gv, rv);
    }
    Assert.assertEquals("Incorrect number of records", num, count);
    // release the memory occupied by the buffers
    sorter.dispose();
    this.memoryManager.release(memory);
}

Example 22 with DummyInvokable

use of org.apache.flink.runtime.operators.testutils.DummyInvokable in project flink by apache.

the class LargeRecordHandlerITCase method fileTest.

@Test
public void fileTest() {
    final IOManager ioMan = new IOManagerAsync();
    final int PAGE_SIZE = 4 * 1024;
    final int NUM_PAGES = 4;
    final int NUM_RECORDS = 10;
    FileIOChannel.ID channel = null;
    try {
        final MemoryManager memMan = new MemoryManager(NUM_PAGES * PAGE_SIZE, 1, PAGE_SIZE, MemoryType.HEAP, true);
        final AbstractInvokable owner = new DummyInvokable();
        final List<MemorySegment> memory = memMan.allocatePages(owner, NUM_PAGES);
        final TypeInformation<?>[] types = new TypeInformation<?>[] { BasicTypeInfo.LONG_TYPE_INFO, new ValueTypeInfo<SomeVeryLongValue>(SomeVeryLongValue.class), BasicTypeInfo.BYTE_TYPE_INFO };
        final TupleTypeInfo<Tuple3<Long, SomeVeryLongValue, Byte>> typeInfo = new TupleTypeInfo<Tuple3<Long, SomeVeryLongValue, Byte>>(types);
        final TypeSerializer<Tuple3<Long, SomeVeryLongValue, Byte>> serializer = typeInfo.createSerializer(new ExecutionConfig());
        channel = ioMan.createChannel();
        FileChannelOutputView out = new FileChannelOutputView(ioMan.createBlockChannelWriter(channel), memMan, memory, PAGE_SIZE);
        // add the test data
        Random rnd = new Random();
        List<Long> offsets = new ArrayList<Long>();
        for (int i = 0; i < NUM_RECORDS; i++) {
            offsets.add(out.getWriteOffset());
            long val = rnd.nextLong();
            Tuple3<Long, SomeVeryLongValue, Byte> next = new Tuple3<Long, SomeVeryLongValue, Byte>(val, new SomeVeryLongValue((int) val), (byte) val);
            serializer.serialize(next, out);
        }
        out.close();
        for (int i = 1; i < offsets.size(); i++) {
            assertTrue(offsets.get(i) > offsets.get(i - 1));
        }
        memMan.allocatePages(owner, memory, NUM_PAGES);
        SeekableFileChannelInputView in = new SeekableFileChannelInputView(ioMan, channel, memMan, memory, out.getBytesInLatestSegment());
        for (int i = 0; i < NUM_RECORDS; i++) {
            in.seek(offsets.get(i));
            Tuple3<Long, SomeVeryLongValue, Byte> next = serializer.deserialize(in);
            // key and value must be equal
            assertTrue(next.f0.intValue() == next.f1.val());
            assertTrue(next.f0.byteValue() == next.f2);
        }
        in.closeAndDelete();
    } catch (Exception e) {
        e.printStackTrace();
        fail(e.getMessage());
    } finally {
        if (channel != null) {
            try {
                ioMan.deleteChannel(channel);
            } catch (IOException ignored) {
            }
        }
        ioMan.shutdown();
    }
}

Example 23 with DummyInvokable

use of org.apache.flink.runtime.operators.testutils.DummyInvokable in project flink by apache.

the class LargeRecordHandlerITCase method testRecordHandlerCompositeKey.

@Test
public void testRecordHandlerCompositeKey() {
    final IOManager ioMan = new IOManagerAsync();
    final int PAGE_SIZE = 4 * 1024;
    final int NUM_PAGES = 1000;
    final int NUM_RECORDS = 10;
    try {
        final MemoryManager memMan = new MemoryManager(NUM_PAGES * PAGE_SIZE, 1, PAGE_SIZE, MemoryType.HEAP, true);
        final AbstractInvokable owner = new DummyInvokable();
        final List<MemorySegment> initialMemory = memMan.allocatePages(owner, 6);
        final List<MemorySegment> sortMemory = memMan.allocatePages(owner, NUM_PAGES - 6);
        final TypeInformation<?>[] types = new TypeInformation<?>[] { BasicTypeInfo.LONG_TYPE_INFO, new ValueTypeInfo<SomeVeryLongValue>(SomeVeryLongValue.class), BasicTypeInfo.BYTE_TYPE_INFO };
        final TupleTypeInfo<Tuple3<Long, SomeVeryLongValue, Byte>> typeInfo = new TupleTypeInfo<Tuple3<Long, SomeVeryLongValue, Byte>>(types);
        final TypeSerializer<Tuple3<Long, SomeVeryLongValue, Byte>> serializer = typeInfo.createSerializer(new ExecutionConfig());
        final TypeComparator<Tuple3<Long, SomeVeryLongValue, Byte>> comparator = typeInfo.createComparator(new int[] { 2, 0 }, new boolean[] { true, true }, 0, new ExecutionConfig());
        LargeRecordHandler<Tuple3<Long, SomeVeryLongValue, Byte>> handler = new LargeRecordHandler<Tuple3<Long, SomeVeryLongValue, Byte>>(serializer, comparator, ioMan, memMan, initialMemory, owner, 128);
        assertFalse(handler.hasData());
        // add the test data
        Random rnd = new Random();
        for (int i = 0; i < NUM_RECORDS; i++) {
            long val = rnd.nextLong();
            handler.addRecord(new Tuple3<Long, SomeVeryLongValue, Byte>(val, new SomeVeryLongValue((int) val), (byte) val));
            assertTrue(handler.hasData());
        }
        MutableObjectIterator<Tuple3<Long, SomeVeryLongValue, Byte>> sorted = handler.finishWriteAndSortKeys(sortMemory);
        try {
            handler.addRecord(new Tuple3<Long, SomeVeryLongValue, Byte>(92L, null, (byte) 1));
            fail("should throw an exception");
        } catch (IllegalStateException e) {
        // expected
        }
        Tuple3<Long, SomeVeryLongValue, Byte> previous = null;
        Tuple3<Long, SomeVeryLongValue, Byte> next;
        while ((next = sorted.next(null)) != null) {
            // key and value must be equal
            assertTrue(next.f0.intValue() == next.f1.val());
            assertTrue(next.f0.byteValue() == next.f2);
            // order must be correct
            if (previous != null) {
                assertTrue(previous.f2 <= next.f2);
                assertTrue(previous.f2.byteValue() != next.f2.byteValue() || previous.f0 <= next.f0);
            }
            previous = next;
        }
        handler.close();
        assertFalse(handler.hasData());
        handler.close();
        try {
            handler.addRecord(new Tuple3<Long, SomeVeryLongValue, Byte>(92L, null, (byte) 1));
            fail("should throw an exception");
        } catch (IllegalStateException e) {
        // expected
        }
        assertTrue(memMan.verifyEmpty());
    } catch (Exception e) {
        e.printStackTrace();
        fail(e.getMessage());
    } finally {
        ioMan.shutdown();
    }
}

Example 24 with DummyInvokable

use of org.apache.flink.runtime.operators.testutils.DummyInvokable in project flink by apache.

the class SpillingResettableMutableObjectIteratorTest method testResettableIteratorInMemory.

/**
	 * Tests the resettable iterator with enough memory so that all data is kept locally in memory.
	 */
@Test
public void testResettableIteratorInMemory() {
    try {
        final AbstractInvokable memOwner = new DummyInvokable();
        // create the resettable Iterator
        SpillingResettableMutableObjectIterator<Record> iterator = new SpillingResettableMutableObjectIterator<Record>(this.reader, this.serializer, this.memman, this.ioman, 20, memOwner);
        // open the iterator
        iterator.open();
        // now test walking through the iterator
        int count = 0;
        Record target = new Record();
        while ((target = iterator.next(target)) != null) {
            Assert.assertEquals("In initial run, element " + count + " does not match expected value!", count++, target.getField(0, IntValue.class).getValue());
        }
        Assert.assertEquals("Too few elements were deserialzied in initial run!", NUM_TESTRECORDS, count);
        // test resetting the iterator a few times
        for (int j = 0; j < 10; ++j) {
            count = 0;
            iterator.reset();
            target = new Record();
            // now we should get the same results
            while ((target = iterator.next(target)) != null) {
                Assert.assertEquals("After reset nr. " + j + 1 + " element " + count + " does not match expected value!", count++, target.getField(0, IntValue.class).getValue());
            }
            Assert.assertEquals("Too few elements were deserialzied after reset nr. " + j + 1 + "!", NUM_TESTRECORDS, count);
        }
        // close the iterator
        iterator.close();
    } catch (Exception ex) {
        ex.printStackTrace();
        Assert.fail("Test encountered an exception.");
    }
}

Example 25 with DummyInvokable

use of org.apache.flink.runtime.operators.testutils.DummyInvokable in project flink by apache.

the class LargeRecordHandlerTest method testRecordHandlerCompositeKey.

@Test
public void testRecordHandlerCompositeKey() {
    final IOManager ioMan = new IOManagerAsync();
    final int PAGE_SIZE = 4 * 1024;
    final int NUM_PAGES = 24;
    final int NUM_RECORDS = 25000;
    try {
        final MemoryManager memMan = new MemoryManager(NUM_PAGES * PAGE_SIZE, 1, PAGE_SIZE, MemoryType.HEAP, true);
        final AbstractInvokable owner = new DummyInvokable();
        final List<MemorySegment> initialMemory = memMan.allocatePages(owner, 6);
        final List<MemorySegment> sortMemory = memMan.allocatePages(owner, NUM_PAGES - 6);
        final TupleTypeInfo<Tuple3<Long, String, Byte>> typeInfo = (TupleTypeInfo<Tuple3<Long, String, Byte>>) TypeInfoParser.<Tuple3<Long, String, Byte>>parse("Tuple3<Long, String, Byte>");
        final TypeSerializer<Tuple3<Long, String, Byte>> serializer = typeInfo.createSerializer(new ExecutionConfig());
        final TypeComparator<Tuple3<Long, String, Byte>> comparator = typeInfo.createComparator(new int[] { 2, 0 }, new boolean[] { true, true }, 0, new ExecutionConfig());
        LargeRecordHandler<Tuple3<Long, String, Byte>> handler = new LargeRecordHandler<Tuple3<Long, String, Byte>>(serializer, comparator, ioMan, memMan, initialMemory, owner, 128);
        assertFalse(handler.hasData());
        // add the test data
        Random rnd = new Random();
        for (int i = 0; i < NUM_RECORDS; i++) {
            long val = rnd.nextLong();
            handler.addRecord(new Tuple3<Long, String, Byte>(val, String.valueOf(val), (byte) val));
            assertTrue(handler.hasData());
        }
        MutableObjectIterator<Tuple3<Long, String, Byte>> sorted = handler.finishWriteAndSortKeys(sortMemory);
        try {
            handler.addRecord(new Tuple3<Long, String, Byte>(92L, "peter pepper", (byte) 1));
            fail("should throw an exception");
        } catch (IllegalStateException e) {
        // expected
        }
        Tuple3<Long, String, Byte> previous = null;
        Tuple3<Long, String, Byte> next;
        while ((next = sorted.next(null)) != null) {
            // key and value must be equal
            assertTrue(next.f0.equals(Long.parseLong(next.f1)));
            assertTrue(next.f0.byteValue() == next.f2);
            // order must be correct
            if (previous != null) {
                assertTrue(previous.f2 <= next.f2);
                assertTrue(previous.f2.byteValue() != next.f2.byteValue() || previous.f0 <= next.f0);
            }
            previous = next;
        }
        handler.close();
        assertFalse(handler.hasData());
        handler.close();
        try {
            handler.addRecord(new Tuple3<Long, String, Byte>(92L, "peter pepper", (byte) 1));
            fail("should throw an exception");
        } catch (IllegalStateException e) {
        // expected
        }
        assertTrue(memMan.verifyEmpty());
    } catch (Exception e) {
        e.printStackTrace();
        fail(e.getMessage());
    } finally {
        ioMan.shutdown();
    }
}