Examples with LongDeserializer org.apache.kafka.common.serialization.LongDeserializer used on opensource projects

Example 26 with LongDeserializer

use of org.apache.kafka.common.serialization.LongDeserializer in project spring-cloud-stream by spring-cloud.

the class KafkaBinderTests method testConsumerCustomDeserializer.

@Test
@SuppressWarnings("unchecked")
void testConsumerCustomDeserializer() throws Exception {
    Binding<?> binding = null;
    try {
        KafkaBinderConfigurationProperties configurationProperties = createConfigurationProperties();
        Map<String, String> propertiesToOverride = configurationProperties.getConfiguration();
        propertiesToOverride.put("key.deserializer", "org.apache.kafka.common.serialization.StringDeserializer");
        propertiesToOverride.put("value.deserializer", "org.apache.kafka.common.serialization.LongDeserializer");
        configurationProperties.setConfiguration(propertiesToOverride);
        String testTopicName = "existing" + System.currentTimeMillis();
        configurationProperties.setAutoCreateTopics(false);
        Binder binder = getBinder(configurationProperties);
        ExtendedConsumerProperties<KafkaConsumerProperties> consumerProperties = createConsumerProperties();
        DirectChannel input = createBindableChannel("input", createConsumerBindingProperties(consumerProperties));
        binding = binder.bindConsumer(testTopicName, "test", input, consumerProperties);
        DirectFieldAccessor consumerAccessor = new DirectFieldAccessor(getKafkaConsumer(binding));
        assertThat(consumerAccessor.getPropertyValue("keyDeserializer") instanceof StringDeserializer).isTrue();
        assertThat(consumerAccessor.getPropertyValue("valueDeserializer") instanceof LongDeserializer).isTrue();
    } finally {
        if (binding != null) {
            binding.unbind();
        }
    }
}

Example 27 with LongDeserializer

use of org.apache.kafka.common.serialization.LongDeserializer in project starlight-for-kafka by datastax.

the class KStreamAggregationTest method shouldCountHelper.

private void shouldCountHelper() throws Exception {
    startStreams();
    produceMessages(mockTime.milliseconds());
    final List<KeyValue<String, Long>> results = receiveMessages(new StringDeserializer(), new LongDeserializer(), 10);
    results.sort(KStreamAggregationTest::compare);
    assertThat(results, is(Arrays.asList(KeyValue.pair("A", 1L), KeyValue.pair("A", 2L), KeyValue.pair("B", 1L), KeyValue.pair("B", 2L), KeyValue.pair("C", 1L), KeyValue.pair("C", 2L), KeyValue.pair("D", 1L), KeyValue.pair("D", 2L), KeyValue.pair("E", 1L), KeyValue.pair("E", 2L))));
}

Example 28 with LongDeserializer

use of org.apache.kafka.common.serialization.LongDeserializer in project kop by streamnative.

the class KStreamAggregationTest method shouldCountHelper.

private void shouldCountHelper() throws Exception {
    startStreams();
    produceMessages(mockTime.milliseconds());
    final List<KeyValue<String, Long>> results = receiveMessages(new StringDeserializer(), new LongDeserializer(), 10);
    results.sort(KStreamAggregationTest::compare);
    assertThat(results, is(Arrays.asList(KeyValue.pair("A", 1L), KeyValue.pair("A", 2L), KeyValue.pair("B", 1L), KeyValue.pair("B", 2L), KeyValue.pair("C", 1L), KeyValue.pair("C", 2L), KeyValue.pair("D", 1L), KeyValue.pair("D", 2L), KeyValue.pair("E", 1L), KeyValue.pair("E", 2L))));
}

Example 29 with LongDeserializer

use of org.apache.kafka.common.serialization.LongDeserializer in project kop by streamnative.

the class KStreamAggregationTest method shouldGroupByKey.

@Test
public void shouldGroupByKey() throws Exception {
    final long timestamp = mockTime.milliseconds();
    produceMessages(timestamp);
    produceMessages(timestamp);
    stream.groupByKey(Serialized.with(Serdes.Integer(), Serdes.String())).windowedBy(TimeWindows.of(500L)).count().toStream((windowedKey, value) -> windowedKey.key() + "@" + windowedKey.window().start()).to(outputTopic, Produced.with(Serdes.String(), Serdes.Long()));
    startStreams();
    final List<KeyValue<String, Long>> results = receiveMessages(new StringDeserializer(), new LongDeserializer(), 10);
    results.sort(KStreamAggregationTest::compare);
    final long window = timestamp / 500 * 500;
    assertThat(results, is(Arrays.asList(KeyValue.pair("1@" + window, 1L), KeyValue.pair("1@" + window, 2L), KeyValue.pair("2@" + window, 1L), KeyValue.pair("2@" + window, 2L), KeyValue.pair("3@" + window, 1L), KeyValue.pair("3@" + window, 2L), KeyValue.pair("4@" + window, 1L), KeyValue.pair("4@" + window, 2L), KeyValue.pair("5@" + window, 1L), KeyValue.pair("5@" + window, 2L))));
}

Example 30 with LongDeserializer

use of org.apache.kafka.common.serialization.LongDeserializer in project kafka by apache.

the class WordCountDemoTest method setup.

@BeforeEach
public void setup() throws IOException {
    final StreamsBuilder builder = new StreamsBuilder();
    // Create Actual Stream Processing pipeline
    WordCountDemo.createWordCountStream(builder);
    testDriver = new TopologyTestDriver(builder.build(), WordCountDemo.getStreamsConfig(null));
    inputTopic = testDriver.createInputTopic(WordCountDemo.INPUT_TOPIC, new StringSerializer(), new StringSerializer());
    outputTopic = testDriver.createOutputTopic(WordCountDemo.OUTPUT_TOPIC, new StringDeserializer(), new LongDeserializer());
}