Examples with Interceptor org.apache.samza.system.eventhub.Interceptor used on opensource projects

Example 6 with Interceptor

use of org.apache.samza.system.eventhub.Interceptor in project samza by apache.

the class TestEventHubSystemProducer method testSendingToEventHubHashing.

@Test
public void testSendingToEventHubHashing() throws Exception {
    String systemName = "eventhubs";
    String streamName = "testStream";
    int numEvents = 10;
    String partitionId0 = "124";
    String partitionId1 = "235";
    TestMetricsRegistry testMetrics = new TestMetricsRegistry();
    Map<String, Interceptor> interceptor = new HashMap<>();
    interceptor.put(streamName, new PassThroughInterceptor());
    List<String> outgoingMessagesP0 = generateMessages(numEvents);
    List<String> outgoingMessagesP1 = generateMessages(numEvents);
    // Set configs
    Map<String, String> configMap = new HashMap<>();
    configMap.put(String.format(EventHubConfig.CONFIG_STREAM_LIST, systemName), streamName);
    configMap.put(String.format(EventHubConfig.CONFIG_STREAM_NAMESPACE, streamName), EVENTHUB_NAMESPACE);
    configMap.put(String.format(EventHubConfig.CONFIG_STREAM_SAS_KEY_NAME, streamName), EVENTHUB_KEY_NAME);
    configMap.put(String.format(EventHubConfig.CONFIG_STREAM_SAS_TOKEN, streamName), EVENTHUB_KEY);
    configMap.put(String.format(EventHubConfig.CONFIG_STREAM_ENTITYPATH, streamName), EVENTHUB_ENTITY1);
    // mod 2 on the partitionid to simulate consistent hashing
    configMap.put(String.format(EventHubConfig.CONFIG_PRODUCER_PARTITION_METHOD, systemName), PartitioningMethod.EVENT_HUB_HASHING.toString());
    MapConfig config = new MapConfig(configMap);
    MockEventHubClientManagerFactory factory = new MockEventHubClientManagerFactory();
    EventHubSystemProducer producer = new EventHubSystemProducer(new EventHubConfig(config), systemName, factory, interceptor, testMetrics);
    SystemStream systemStream = new SystemStream(systemName, streamName);
    producer.register(SOURCE);
    producer.start();
    outgoingMessagesP0.forEach(message -> producer.send(SOURCE, new OutgoingMessageEnvelope(systemStream, partitionId0, null, message.getBytes())));
    outgoingMessagesP1.forEach(message -> producer.send(SOURCE, new OutgoingMessageEnvelope(systemStream, partitionId1, null, message.getBytes())));
    // Retrieve sent data
    List<String> receivedData0 = factory.getSentData(systemName, streamName, 0).stream().map(eventData -> new String(eventData.getBytes())).collect(Collectors.toList());
    List<String> receivedData1 = factory.getSentData(systemName, streamName, 1).stream().map(eventData -> new String(eventData.getBytes())).collect(Collectors.toList());
    Assert.assertTrue(outgoingMessagesP0.equals(receivedData0));
    Assert.assertTrue(outgoingMessagesP1.equals(receivedData1));
}