Examples with StreamTask org.apache.kafka.streams.processor.internals.StreamTask used on opensource projects

Example 1 with StreamTask

use of org.apache.kafka.streams.processor.internals.StreamTask in project kafka by apache.

the class TopologyTestDriver method setupTask.

@SuppressWarnings("deprecation")
private void setupTask(final StreamsConfig streamsConfig, final StreamsMetricsImpl streamsMetrics, final ThreadCache cache, final TaskConfig taskConfig) {
    if (!partitionsByInputTopic.isEmpty()) {
        consumer.assign(partitionsByInputTopic.values());
        final Map<TopicPartition, Long> startOffsets = new HashMap<>();
        for (final TopicPartition topicPartition : partitionsByInputTopic.values()) {
            startOffsets.put(topicPartition, 0L);
        }
        consumer.updateBeginningOffsets(startOffsets);
        final ProcessorStateManager stateManager = new ProcessorStateManager(TASK_ID, Task.TaskType.ACTIVE, StreamsConfig.EXACTLY_ONCE.equals(streamsConfig.getString(StreamsConfig.PROCESSING_GUARANTEE_CONFIG)), logContext, stateDirectory, new MockChangelogRegister(), processorTopology.storeToChangelogTopic(), new HashSet<>(partitionsByInputTopic.values()));
        final RecordCollector recordCollector = new RecordCollectorImpl(logContext, TASK_ID, testDriverProducer, streamsConfig.defaultProductionExceptionHandler(), streamsMetrics);
        final InternalProcessorContext context = new ProcessorContextImpl(TASK_ID, streamsConfig, stateManager, streamsMetrics, cache);
        task = new StreamTask(TASK_ID, new HashSet<>(partitionsByInputTopic.values()), processorTopology, consumer, taskConfig, streamsMetrics, stateDirectory, cache, mockWallClockTime, stateManager, recordCollector, context, logContext);
        task.initializeIfNeeded();
        task.completeRestoration(noOpResetter -> {
        });
        task.processorContext().setRecordContext(null);
    } else {
        task = null;
    }
}

Example 2 with StreamTask

use of org.apache.kafka.streams.processor.internals.StreamTask in project kafka by apache.

the class StreamThreadStateStoreProviderTest method before.

@Before
public void before() {
    final TopologyWrapper topology = new TopologyWrapper();
    topology.addSource("the-source", topicName);
    topology.addProcessor("the-processor", new MockApiProcessorSupplier<>(), "the-source");
    topology.addStateStore(Stores.keyValueStoreBuilder(Stores.inMemoryKeyValueStore("kv-store"), Serdes.String(), Serdes.String()), "the-processor");
    topology.addStateStore(Stores.timestampedKeyValueStoreBuilder(Stores.inMemoryKeyValueStore("timestamped-kv-store"), Serdes.String(), Serdes.String()), "the-processor");
    topology.addStateStore(Stores.windowStoreBuilder(Stores.inMemoryWindowStore("window-store", Duration.ofMillis(10L), Duration.ofMillis(2L), false), Serdes.String(), Serdes.String()), "the-processor");
    topology.addStateStore(Stores.timestampedWindowStoreBuilder(Stores.inMemoryWindowStore("timestamped-window-store", Duration.ofMillis(10L), Duration.ofMillis(2L), false), Serdes.String(), Serdes.String()), "the-processor");
    topology.addStateStore(Stores.sessionStoreBuilder(Stores.inMemorySessionStore("session-store", Duration.ofMillis(10L)), Serdes.String(), Serdes.String()), "the-processor");
    final Properties properties = new Properties();
    final String applicationId = "applicationId";
    properties.put(StreamsConfig.APPLICATION_ID_CONFIG, applicationId);
    properties.put(ConsumerConfig.BOOTSTRAP_SERVERS_CONFIG, "localhost:9092");
    stateDir = TestUtils.tempDirectory();
    properties.put(StreamsConfig.STATE_DIR_CONFIG, stateDir.getPath());
    final StreamsConfig streamsConfig = new StreamsConfig(properties);
    final MockClientSupplier clientSupplier = new MockClientSupplier();
    configureClients(clientSupplier, "applicationId-kv-store-changelog");
    configureClients(clientSupplier, "applicationId-window-store-changelog");
    final InternalTopologyBuilder internalTopologyBuilder = topology.getInternalBuilder(applicationId);
    final ProcessorTopology processorTopology = internalTopologyBuilder.buildTopology();
    tasks = new HashMap<>();
    stateDirectory = new StateDirectory(streamsConfig, new MockTime(), true, false);
    taskOne = createStreamsTask(streamsConfig, clientSupplier, processorTopology, new TaskId(0, 0));
    taskOne.initializeIfNeeded();
    tasks.put(new TaskId(0, 0), taskOne);
    final StreamTask taskTwo = createStreamsTask(streamsConfig, clientSupplier, processorTopology, new TaskId(0, 1));
    taskTwo.initializeIfNeeded();
    tasks.put(new TaskId(0, 1), taskTwo);
    threadMock = EasyMock.createNiceMock(StreamThread.class);
    provider = new StreamThreadStateStoreProvider(threadMock);
}

Example 3 with StreamTask

use of org.apache.kafka.streams.processor.internals.StreamTask in project kafka by apache.

the class StreamThreadStateStoreProviderTest method createStreamsTask.

private StreamTask createStreamsTask(final StreamsConfig streamsConfig, final MockClientSupplier clientSupplier, final ProcessorTopology topology, final TaskId taskId) {
    final Metrics metrics = new Metrics();
    final LogContext logContext = new LogContext("test-stream-task ");
    final Set<TopicPartition> partitions = Collections.singleton(new TopicPartition(topicName, taskId.partition()));
    final ProcessorStateManager stateManager = new ProcessorStateManager(taskId, Task.TaskType.ACTIVE, StreamsConfigUtils.eosEnabled(streamsConfig), logContext, stateDirectory, new StoreChangelogReader(new MockTime(), streamsConfig, logContext, clientSupplier.adminClient, clientSupplier.restoreConsumer, new MockStateRestoreListener()), topology.storeToChangelogTopic(), partitions);
    final RecordCollector recordCollector = new RecordCollectorImpl(logContext, taskId, new StreamsProducer(streamsConfig, "threadId", clientSupplier, new TaskId(0, 0), UUID.randomUUID(), logContext, Time.SYSTEM), streamsConfig.defaultProductionExceptionHandler(), new MockStreamsMetrics(metrics));
    final StreamsMetricsImpl streamsMetrics = new MockStreamsMetrics(metrics);
    final InternalProcessorContext context = new ProcessorContextImpl(taskId, streamsConfig, stateManager, streamsMetrics, null);
    return new StreamTask(taskId, partitions, topology, clientSupplier.consumer, new TopologyConfig(null, streamsConfig, new Properties()).getTaskConfig(), streamsMetrics, stateDirectory, EasyMock.createNiceMock(ThreadCache.class), new MockTime(), stateManager, recordCollector, context, logContext);
}