Examples with PartitionWithMessageDataWriter org.apache.hyracks.dataflow.std.connectors.PartitionWithMessageDataWriter used on opensource projects

Example 1 with PartitionWithMessageDataWriter

use of org.apache.hyracks.dataflow.std.connectors.PartitionWithMessageDataWriter in project asterixdb by apache.

the class ConnectorDescriptorWithMessagingTest method testMessageFitsWithTuples.

@Test
public void testMessageFitsWithTuples() throws Exception {
    try {
        // Routing will be round robin
        List<Integer> routing = Arrays.asList(0, 1, 2, 3, 4);
        IConnectorDescriptorRegistry connDescRegistry = Mockito.mock(IConnectorDescriptorRegistry.class);
        ITuplePartitionComputerFactory partitionComputerFactory = new TestPartitionComputerFactory(routing);
        MToNPartitioningWithMessageConnectorDescriptor connector = new MToNPartitioningWithMessageConnectorDescriptor(connDescRegistry, partitionComputerFactory);
        IHyracksTaskContext ctx = TestUtils.create(DEFAULT_FRAME_SIZE);
        VSizeFrame message = new VSizeFrame(ctx);
        VSizeFrame tempBuffer = new VSizeFrame(ctx);
        TaskUtil.putInSharedMap(HyracksConstants.KEY_MESSAGE, message, ctx);
        message.getBuffer().clear();
        message.getBuffer().put(MessagingFrameTupleAppender.ACK_REQ_FEED_MESSAGE);
        message.getBuffer().flip();
        ISerializerDeserializer<?>[] serdes = new ISerializerDeserializer<?>[] { Integer64SerializerDeserializer.INSTANCE, DoubleSerializerDeserializer.INSTANCE, BooleanSerializerDeserializer.INSTANCE, new UTF8StringSerializerDeserializer() };
        FieldType[] types = { FieldType.Integer64, FieldType.Double, FieldType.Boolean, FieldType.String };
        RecordDescriptor rDesc = new RecordDescriptor(serdes);
        TestPartitionWriterFactory partitionWriterFactory = new TestPartitionWriterFactory();
        PartitionWithMessageDataWriter partitioner = (PartitionWithMessageDataWriter) connector.createPartitioner(ctx, rDesc, partitionWriterFactory, CURRENT_PRODUCER, NUMBER_OF_CONSUMERS, NUMBER_OF_CONSUMERS);
        partitioner.open();
        FrameTupleAccessor fta = new FrameTupleAccessor(rDesc);
        List<TestFrameWriter> recipients = new ArrayList<>();
        for (int i = 0; i < partitionWriterFactory.getWriters().values().size(); i++) {
            recipients.add(partitionWriterFactory.getWriters().get(i));
        }
        TestTupleGenerator ttg = new TestTupleGenerator(types, STRING_FIELD_SIZES, true);
        VSizeFrame frame = new VSizeFrame(ctx);
        FrameTupleAppender appender = new FrameTupleAppender(frame);
        for (int count = 0; count < NUMBER_OF_CONSUMERS; count++) {
            ITupleReference tuple = ttg.next();
            appender.append(tuple);
        }
        partitioner.nextFrame(frame.getBuffer());
        partitioner.flush();
        Assert.assertEquals(partitionWriterFactory.getWriters().get(0).nextFrameCount(), 1);
        Assert.assertEquals(partitionWriterFactory.getWriters().get(1).nextFrameCount(), 1);
        Assert.assertEquals(partitionWriterFactory.getWriters().get(2).nextFrameCount(), 1);
        Assert.assertEquals(partitionWriterFactory.getWriters().get(3).nextFrameCount(), 1);
        Assert.assertEquals(partitionWriterFactory.getWriters().get(4).nextFrameCount(), 1);
        for (TestFrameWriter writer : recipients) {
            fta.reset(writer.getLastFrame());
            Assert.assertEquals(fta.getTupleCount(), 2);
            FeedUtils.processFeedMessage(writer.getLastFrame(), tempBuffer, fta);
            Assert.assertEquals(MessagingFrameTupleAppender.ACK_REQ_FEED_MESSAGE, MessagingFrameTupleAppender.getMessageType(tempBuffer));
        }
        partitioner.close();
    } catch (Throwable th) {
        th.printStackTrace();
        throw th;
    }
}

Example 2 with PartitionWithMessageDataWriter

use of org.apache.hyracks.dataflow.std.connectors.PartitionWithMessageDataWriter in project asterixdb by apache.

the class ConnectorDescriptorWithMessagingTest method testMessageLargerThanSome.

@Test
public void testMessageLargerThanSome() throws Exception {
    try {
        // Routing will be to 1, 3, and 4 only. 0 and 2 will receive no tuples
        List<Integer> routing = Arrays.asList(1, 3, 4);
        IConnectorDescriptorRegistry connDescRegistry = Mockito.mock(IConnectorDescriptorRegistry.class);
        ITuplePartitionComputerFactory partitionComputerFactory = new TestPartitionComputerFactory(routing);
        MToNPartitioningWithMessageConnectorDescriptor connector = new MToNPartitioningWithMessageConnectorDescriptor(connDescRegistry, partitionComputerFactory);
        IHyracksTaskContext ctx = TestUtils.create(DEFAULT_FRAME_SIZE);
        VSizeFrame message = new VSizeFrame(ctx);
        VSizeFrame tempBuffer = new VSizeFrame(ctx);
        TaskUtil.putInSharedMap(HyracksConstants.KEY_MESSAGE, message, ctx);
        message.getBuffer().clear();
        writeRandomMessage(message, MessagingFrameTupleAppender.MARKER_MESSAGE, DEFAULT_FRAME_SIZE);
        ISerializerDeserializer<?>[] serdes = new ISerializerDeserializer<?>[] { Integer64SerializerDeserializer.INSTANCE, DoubleSerializerDeserializer.INSTANCE, BooleanSerializerDeserializer.INSTANCE, new UTF8StringSerializerDeserializer() };
        FieldType[] types = { FieldType.Integer64, FieldType.Double, FieldType.Boolean, FieldType.String };
        RecordDescriptor rDesc = new RecordDescriptor(serdes);
        TestPartitionWriterFactory partitionWriterFactory = new TestPartitionWriterFactory();
        PartitionWithMessageDataWriter partitioner = (PartitionWithMessageDataWriter) connector.createPartitioner(ctx, rDesc, partitionWriterFactory, CURRENT_PRODUCER, NUMBER_OF_CONSUMERS, NUMBER_OF_CONSUMERS);
        partitioner.open();
        FrameTupleAccessor fta = new FrameTupleAccessor(rDesc);
        List<TestFrameWriter> recipients = new ArrayList<>();
        for (int i = 0; i < partitionWriterFactory.getWriters().values().size(); i++) {
            recipients.add(partitionWriterFactory.getWriters().get(i));
        }
        TestTupleGenerator ttg = new TestTupleGenerator(types, STRING_FIELD_SIZES, true);
        VSizeFrame frame = new VSizeFrame(ctx);
        FrameTupleAppender appender = new FrameTupleAppender(frame);
        ITupleReference tuple = ttg.next();
        while (appender.append(tuple)) {
            tuple = ttg.next();
        }
        partitioner.nextFrame(frame.getBuffer());
        partitioner.flush();
        Assert.assertEquals(1, partitionWriterFactory.getWriters().get(0).nextFrameCount());
        Assert.assertEquals(2, partitionWriterFactory.getWriters().get(1).nextFrameCount());
        Assert.assertEquals(1, partitionWriterFactory.getWriters().get(2).nextFrameCount());
        Assert.assertEquals(2, partitionWriterFactory.getWriters().get(3).nextFrameCount());
        Assert.assertEquals(2, partitionWriterFactory.getWriters().get(4).nextFrameCount());
        for (TestFrameWriter writer : recipients) {
            fta.reset(writer.getLastFrame());
            Assert.assertEquals(fta.getTupleCount(), 1);
            FeedUtils.processFeedMessage(writer.getLastFrame(), tempBuffer, fta);
            Assert.assertEquals(MessagingFrameTupleAppender.MARKER_MESSAGE, MessagingFrameTupleAppender.getMessageType(tempBuffer));
        }
        partitioner.close();
    } catch (Throwable th) {
        th.printStackTrace();
        throw th;
    }
}