Examples with MutableSpan brave.handler.MutableSpan used on opensource projects

Example 31 with MutableSpan

use of brave.handler.MutableSpan in project brave by openzipkin.

the class ITKafkaStreamsTracing method should_create_spans_from_stream_with_tracing_filter_not_predicate_true.

@Test
public void should_create_spans_from_stream_with_tracing_filter_not_predicate_true() {
    String inputTopic = testName.getMethodName() + "-input";
    String outputTopic = testName.getMethodName() + "-output";
    StreamsBuilder builder = new StreamsBuilder();
    builder.stream(inputTopic, Consumed.with(Serdes.String(), Serdes.String())).transform(kafkaStreamsTracing.filterNot("filterNot-1", (key, value) -> true)).to(outputTopic, Produced.with(Serdes.String(), Serdes.String()));
    Topology topology = builder.build();
    KafkaStreams streams = buildKafkaStreams(topology);
    send(new ProducerRecord<>(inputTopic, TEST_KEY, TEST_VALUE));
    waitForStreamToRun(streams);
    MutableSpan spanInput = testSpanHandler.takeRemoteSpan(CONSUMER);
    assertThat(spanInput.tags()).containsEntry("kafka.topic", inputTopic);
    MutableSpan spanProcessor = testSpanHandler.takeLocalSpan();
    assertChildOf(spanProcessor, spanInput);
    assertThat(spanProcessor.tags()).containsEntry(KAFKA_STREAMS_FILTERED_TAG, "true");
    // the filterNot transformer returns true so record is dropped
    streams.close();
    streams.cleanUp();
}

Example 32 with MutableSpan

use of brave.handler.MutableSpan in project brave by openzipkin.

the class ITKafkaStreamsTracing method should_create_spans_from_stream_with_tracing_mark_as_filtered_predicate_true.

@Test
public void should_create_spans_from_stream_with_tracing_mark_as_filtered_predicate_true() {
    String inputTopic = testName.getMethodName() + "-input";
    String outputTopic = testName.getMethodName() + "-output";
    StreamsBuilder builder = new StreamsBuilder();
    builder.stream(inputTopic, Consumed.with(Serdes.String(), Serdes.String())).transformValues(kafkaStreamsTracing.markAsFiltered("filter-1", (key, value) -> true)).filterNot((k, v) -> Objects.isNull(v)).to(outputTopic, Produced.with(Serdes.String(), Serdes.String()));
    Topology topology = builder.build();
    KafkaStreams streams = buildKafkaStreams(topology);
    send(new ProducerRecord<>(inputTopic, TEST_KEY, TEST_VALUE));
    waitForStreamToRun(streams);
    MutableSpan spanInput = testSpanHandler.takeRemoteSpan(CONSUMER);
    assertThat(spanInput.tags()).containsEntry("kafka.topic", inputTopic);
    MutableSpan spanProcessor = testSpanHandler.takeLocalSpan();
    assertChildOf(spanProcessor, spanInput);
    assertThat(spanProcessor.tags()).containsEntry(KAFKA_STREAMS_FILTERED_TAG, "false");
    // the filter transformer returns true so record is not dropped
    MutableSpan spanOutput = testSpanHandler.takeRemoteSpan(PRODUCER);
    assertThat(spanOutput.tags()).containsEntry("kafka.topic", outputTopic);
    assertChildOf(spanOutput, spanProcessor);
    streams.close();
    streams.cleanUp();
}

Example 33 with MutableSpan

use of brave.handler.MutableSpan in project brave by openzipkin.

the class ITKafkaStreamsTracing method should_create_spans_from_stream_without_tracing_with_tracing_flattransformer.

@Test
public void should_create_spans_from_stream_without_tracing_with_tracing_flattransformer() {
    TransformerSupplier<String, String, Iterable<KeyValue<String, String>>> transformerSupplier = kafkaStreamsTracing.transformer("double-transformer-1", () -> new Transformer<String, String, Iterable<KeyValue<String, String>>>() {

        ProcessorContext context;

        @Override
        public void init(ProcessorContext context) {
            this.context = context;
        }

        @Override
        public Iterable<KeyValue<String, String>> transform(String key, String value) {
            try {
                Thread.sleep(100L);
            } catch (InterruptedException e) {
                e.printStackTrace();
            }
            return Arrays.asList(KeyValue.pair(key, value), KeyValue.pair(key, value));
        }

        @Override
        public void close() {
        }
    });
    String inputTopic = testName.getMethodName() + "-input";
    String outputTopic = testName.getMethodName() + "-output";
    StreamsBuilder builder = new StreamsBuilder();
    builder.stream(inputTopic, Consumed.with(Serdes.String(), Serdes.String())).flatTransform(transformerSupplier).to(outputTopic, Produced.with(Serdes.String(), Serdes.String()));
    Topology topology = builder.build();
    KafkaStreams streams = buildKafkaStreams(topology);
    send(new ProducerRecord<>(inputTopic, TEST_KEY, TEST_VALUE));
    waitForStreamToRun(streams);
    MutableSpan spanInput = testSpanHandler.takeRemoteSpan(CONSUMER);
    assertThat(spanInput.tags()).containsEntry("kafka.topic", inputTopic);
    MutableSpan spanProcessor = testSpanHandler.takeLocalSpan();
    assertChildOf(spanProcessor, spanInput);
    assertThat(spanProcessor.tags()).containsOnlyKeys("kafka.streams.application.id", "kafka.streams.task.id");
    for (int i = 0; i < 2; i++) {
        MutableSpan spanOutput = testSpanHandler.takeRemoteSpan(PRODUCER);
        assertThat(spanOutput.tags()).containsEntry("kafka.topic", outputTopic);
        assertChildOf(spanOutput, spanProcessor);
    }
    streams.close();
    streams.cleanUp();
}

Example 34 with MutableSpan

use of brave.handler.MutableSpan in project brave by openzipkin.

the class ITKafkaStreamsTracing method should_create_spans_from_stream_with_tracing_valueTransformer.

@Test
public void should_create_spans_from_stream_with_tracing_valueTransformer() {
    ValueTransformerSupplier<String, String> transformerSupplier = kafkaStreamsTracing.valueTransformer("transformer-1", () -> new ValueTransformer<String, String>() {

        ProcessorContext context;

        @Override
        public void init(ProcessorContext context) {
            this.context = context;
        }

        @Override
        public String transform(String value) {
            try {
                Thread.sleep(100L);
            } catch (InterruptedException e) {
                e.printStackTrace();
            }
            return value;
        }

        @Override
        public void close() {
        }
    });
    String inputTopic = testName.getMethodName() + "-input";
    String outputTopic = testName.getMethodName() + "-output";
    StreamsBuilder builder = new StreamsBuilder();
    builder.stream(inputTopic, Consumed.with(Serdes.String(), Serdes.String())).transformValues(transformerSupplier).to(outputTopic, Produced.with(Serdes.String(), Serdes.String()));
    Topology topology = builder.build();
    KafkaStreams streams = buildKafkaStreams(topology);
    send(new ProducerRecord<>(inputTopic, TEST_KEY, TEST_VALUE));
    waitForStreamToRun(streams);
    MutableSpan spanInput = testSpanHandler.takeRemoteSpan(CONSUMER);
    assertThat(spanInput.tags()).containsEntry("kafka.topic", inputTopic);
    MutableSpan spanProcessor = testSpanHandler.takeLocalSpan();
    assertChildOf(spanProcessor, spanInput);
    MutableSpan spanOutput = testSpanHandler.takeRemoteSpan(PRODUCER);
    assertThat(spanOutput.tags()).containsEntry("kafka.topic", outputTopic);
    assertChildOf(spanOutput, spanProcessor);
    streams.close();
    streams.cleanUp();
}

Example 35 with MutableSpan

use of brave.handler.MutableSpan in project brave by openzipkin.

the class ITKafkaStreamsTracing method should_create_spans_from_stream_with_tracing_processor.

@Test
public void should_create_spans_from_stream_with_tracing_processor() {
    ProcessorSupplier<String, String> processorSupplier = kafkaStreamsTracing.processor("forward-1", () -> new AbstractProcessor<String, String>() {

        @Override
        public void process(String key, String value) {
            try {
                Thread.sleep(100L);
            } catch (InterruptedException e) {
                e.printStackTrace();
            }
        }
    });
    String inputTopic = testName.getMethodName() + "-input";
    StreamsBuilder builder = new StreamsBuilder();
    builder.stream(inputTopic, Consumed.with(Serdes.String(), Serdes.String())).process(processorSupplier);
    Topology topology = builder.build();
    KafkaStreams streams = buildKafkaStreams(topology);
    send(new ProducerRecord<>(inputTopic, TEST_KEY, TEST_VALUE));
    waitForStreamToRun(streams);
    MutableSpan spanInput = testSpanHandler.takeRemoteSpan(CONSUMER);
    assertThat(spanInput.tags()).containsEntry("kafka.topic", inputTopic);
    MutableSpan spanProcessor = testSpanHandler.takeLocalSpan();
    assertChildOf(spanProcessor, spanInput);
    streams.close();
    streams.cleanUp();
}