Examples with SamzaSqlRelMsgMetadata org.apache.samza.sql.data.SamzaSqlRelMsgMetadata used on opensource projects

Example 11 with SamzaSqlRelMsgMetadata

use of org.apache.samza.sql.data.SamzaSqlRelMsgMetadata in project samza by apache.

the class TestProjectTranslator method testTranslate.

@Test
public void testTranslate() throws IOException, ClassNotFoundException {
    // setup mock values to the constructor of FilterTranslator
    LogicalProject mockProject = PowerMockito.mock(LogicalProject.class);
    Context mockContext = mock(Context.class);
    ContainerContext mockContainerContext = mock(ContainerContext.class);
    TranslatorContext mockTranslatorContext = mock(TranslatorContext.class);
    TestMetricsRegistryImpl testMetricsRegistryImpl = new TestMetricsRegistryImpl();
    RelNode mockInput = mock(RelNode.class);
    List<RelNode> inputs = new ArrayList<>();
    inputs.add(mockInput);
    when(mockInput.getId()).thenReturn(1);
    when(mockProject.getId()).thenReturn(2);
    when(mockProject.getInputs()).thenReturn(inputs);
    when(mockProject.getInput()).thenReturn(mockInput);
    RelDataType mockRowType = mock(RelDataType.class);
    when(mockRowType.getFieldCount()).thenReturn(1);
    when(mockProject.getRowType()).thenReturn(mockRowType);
    RexNode mockRexField = mock(RexNode.class);
    List<Pair<RexNode, String>> namedProjects = new ArrayList<>();
    namedProjects.add(Pair.of(mockRexField, "test_field"));
    when(mockProject.getNamedProjects()).thenReturn(namedProjects);
    StreamApplicationDescriptorImpl mockAppDesc = mock(StreamApplicationDescriptorImpl.class);
    OperatorSpec<Object, SamzaSqlRelMessage> mockInputOp = mock(OperatorSpec.class);
    MessageStream<SamzaSqlRelMessage> mockStream = new MessageStreamImpl<>(mockAppDesc, mockInputOp);
    when(mockTranslatorContext.getMessageStream(eq(1))).thenReturn(mockStream);
    doAnswer(this.getRegisterMessageStreamAnswer()).when(mockTranslatorContext).registerMessageStream(eq(2), any(MessageStream.class));
    RexToJavaCompiler mockCompiler = mock(RexToJavaCompiler.class);
    when(mockTranslatorContext.getExpressionCompiler()).thenReturn(mockCompiler);
    Expression mockExpr = mock(Expression.class);
    when(mockCompiler.compile(any(), any())).thenReturn(mockExpr);
    when(mockContext.getContainerContext()).thenReturn(mockContainerContext);
    when(mockContainerContext.getContainerMetricsRegistry()).thenReturn(testMetricsRegistryImpl);
    // Apply translate() method to verify that we are getting the correct map operator constructed
    ProjectTranslator projectTranslator = new ProjectTranslator(1);
    projectTranslator.translate(mockProject, LOGICAL_OP_ID, mockTranslatorContext);
    // make sure that context has been registered with LogicFilter and output message streams
    verify(mockTranslatorContext, times(1)).registerRelNode(2, mockProject);
    verify(mockTranslatorContext, times(1)).registerMessageStream(2, this.getRegisteredMessageStream(2));
    when(mockTranslatorContext.getRelNode(2)).thenReturn(mockProject);
    when(mockTranslatorContext.getMessageStream(2)).thenReturn(this.getRegisteredMessageStream(2));
    StreamOperatorSpec projectSpec = (StreamOperatorSpec) Whitebox.getInternalState(this.getRegisteredMessageStream(2), "operatorSpec");
    assertNotNull(projectSpec);
    assertEquals(projectSpec.getOpCode(), OperatorSpec.OpCode.MAP);
    // Verify that the bootstrap() method will establish the context for the map function
    Map<Integer, TranslatorContext> mockContexts = new HashMap<>();
    mockContexts.put(1, mockTranslatorContext);
    when(mockContext.getApplicationTaskContext()).thenReturn(new SamzaSqlApplicationContext(mockContexts));
    projectSpec.getTransformFn().init(mockContext);
    MapFunction mapFn = (MapFunction) Whitebox.getInternalState(projectSpec, "mapFn");
    assertNotNull(mapFn);
    assertEquals(mockTranslatorContext, Whitebox.getInternalState(mapFn, "translatorContext"));
    assertEquals(mockProject, Whitebox.getInternalState(mapFn, "project"));
    assertEquals(mockExpr, Whitebox.getInternalState(mapFn, "expr"));
    // Verify TestMetricsRegistryImpl works with Project
    assertEquals(1, testMetricsRegistryImpl.getGauges().size());
    assertEquals(2, testMetricsRegistryImpl.getGauges().get(LOGICAL_OP_ID).size());
    assertEquals(1, testMetricsRegistryImpl.getCounters().size());
    assertEquals(2, testMetricsRegistryImpl.getCounters().get(LOGICAL_OP_ID).size());
    assertEquals(0, testMetricsRegistryImpl.getCounters().get(LOGICAL_OP_ID).get(0).getCount());
    assertEquals(0, testMetricsRegistryImpl.getCounters().get(LOGICAL_OP_ID).get(1).getCount());
    // Calling mapFn.apply() to verify the filter function is correctly applied to the input message
    SamzaSqlRelMessage mockInputMsg = new SamzaSqlRelMessage(new ArrayList<>(), new ArrayList<>(), new SamzaSqlRelMsgMetadata(0L, 0L));
    SamzaSqlExecutionContext executionContext = mock(SamzaSqlExecutionContext.class);
    DataContext dataContext = mock(DataContext.class);
    when(mockTranslatorContext.getExecutionContext()).thenReturn(executionContext);
    when(mockTranslatorContext.getDataContext()).thenReturn(dataContext);
    Object[] result = new Object[1];
    final Object mockFieldObj = new Object();
    doAnswer(invocation -> {
        Object[] retValue = invocation.getArgumentAt(4, Object[].class);
        retValue[0] = mockFieldObj;
        return null;
    }).when(mockExpr).execute(eq(executionContext), eq(mockContext), eq(dataContext), eq(mockInputMsg.getSamzaSqlRelRecord().getFieldValues().toArray()), eq(result));
    SamzaSqlRelMessage retMsg = (SamzaSqlRelMessage) mapFn.apply(mockInputMsg);
    assertEquals(retMsg.getSamzaSqlRelRecord().getFieldNames(), Collections.singletonList("test_field"));
    assertEquals(retMsg.getSamzaSqlRelRecord().getFieldValues(), Collections.singletonList(mockFieldObj));
    // Verify mapFn.apply() updates the TestMetricsRegistryImpl metrics
    assertEquals(1, testMetricsRegistryImpl.getCounters().get(LOGICAL_OP_ID).get(0).getCount());
    assertEquals(1, testMetricsRegistryImpl.getCounters().get(LOGICAL_OP_ID).get(1).getCount());
}

Example 12 with SamzaSqlRelMsgMetadata

use of org.apache.samza.sql.data.SamzaSqlRelMsgMetadata in project samza by apache.

the class TestSamzaSqlRelRecordSerde method testWithDifferentFields.

@Test
public void testWithDifferentFields() {
    SamzaSqlRelRecord record = new SamzaSqlRelMessage(names, values, new SamzaSqlRelMsgMetadata(0L, 0L)).getSamzaSqlRelRecord();
    SamzaSqlRelRecordSerde serde = (SamzaSqlRelRecordSerde) new SamzaSqlRelRecordSerdeFactory().getSerde(null, null);
    SamzaSqlRelRecord resultRecord = serde.fromBytes(serde.toBytes(record));
    Assert.assertEquals(names, resultRecord.getFieldNames());
    Assert.assertEquals(values, resultRecord.getFieldValues());
}

Example 13 with SamzaSqlRelMsgMetadata

use of org.apache.samza.sql.data.SamzaSqlRelMsgMetadata in project samza by apache.

the class ProjectTranslator method translateFlatten.

private MessageStream<SamzaSqlRelMessage> translateFlatten(Integer flattenIndex, MessageStream<SamzaSqlRelMessage> inputStream) {
    return inputStream.flatMap(message -> {
        Object targetFlattenColumn = message.getSamzaSqlRelRecord().getFieldValues().get(flattenIndex);
        final List<SamzaSqlRelMessage> outMessages = new ArrayList<>();
        if (targetFlattenColumn != null && targetFlattenColumn instanceof List) {
            List<Object> objectList = (List<Object>) targetFlattenColumn;
            SamzaSqlRelMsgMetadata messageMetadata = message.getSamzaSqlRelMsgMetadata();
            SamzaSqlRelMsgMetadata newMetadata = new SamzaSqlRelMsgMetadata(messageMetadata.getEventTime(), messageMetadata.getArrivalTime(), messageMetadata.getScanTimeNanos(), messageMetadata.getScanTimeMillis());
            for (Object fieldValue : objectList) {
                List<Object> newValues = new ArrayList<>(message.getSamzaSqlRelRecord().getFieldValues());
                newValues.set(flattenIndex, fieldValue);
                outMessages.add(new SamzaSqlRelMessage(message.getSamzaSqlRelRecord().getFieldNames(), newValues, newMetadata));
                newMetadata = new SamzaSqlRelMsgMetadata(newMetadata.getEventTime(), newMetadata.getArrivalTime(), newMetadata.getScanTimeNanos(), newMetadata.getScanTimeMillis());
            }
        } else {
            message.getSamzaSqlRelMsgMetadata().isNewInputMessage = true;
            outMessages.add(message);
        }
        return outMessages;
    });
}

Example 14 with SamzaSqlRelMsgMetadata

use of org.apache.samza.sql.data.SamzaSqlRelMsgMetadata in project samza by apache.

the class AvroRelConverter method convertToRelMessage.

/**
 * Create a SamzaSqlRelMessage for the specified key and Avro record using the schema from the Avro record.
 */
public static SamzaSqlRelMessage convertToRelMessage(Object key, IndexedRecord record, Schema schema) {
    List<String> payloadFieldNames = new ArrayList<>();
    List<Object> payloadFieldValues = new ArrayList<>();
    fetchFieldNamesAndValuesFromIndexedRecord(record, payloadFieldNames, payloadFieldValues, schema);
    return new SamzaSqlRelMessage(key, payloadFieldNames, payloadFieldValues, new SamzaSqlRelMsgMetadata(0L, 0L));
}