method2testcases stringlengths 118 6.63k |
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### Question:
SegmentedCacheFunction implements CacheFunction { @Override public Bytes key(Bytes cacheKey) { return Bytes.wrap(bytesFromCacheKey(cacheKey)); } SegmentedCacheFunction(KeySchema keySchema, long segmentInterval); @Override Bytes key(Bytes cacheKey); @Override Bytes cacheKey(Bytes key); long segmentId(Bytes... |
### Question:
SegmentedCacheFunction implements CacheFunction { @Override public Bytes cacheKey(Bytes key) { final byte[] keyBytes = key.get(); ByteBuffer buf = ByteBuffer.allocate(SEGMENT_ID_BYTES + keyBytes.length); buf.putLong(segmentId(key)).put(keyBytes); return Bytes.wrap(buf.array()); } SegmentedCacheFunction(Ke... |
### Question:
SegmentedCacheFunction implements CacheFunction { int compareSegmentedKeys(Bytes cacheKey, Bytes storeKey) { long storeSegmentId = segmentId(storeKey); long cacheSegmentId = ByteBuffer.wrap(cacheKey.get()).getLong(); final int segmentCompare = Long.compare(cacheSegmentId, storeSegmentId); if (segmentCompa... |
### Question:
ThreadCache { public LRUCacheEntry delete(final String namespace, final Bytes key) { final NamedCache cache = getCache(namespace); if (cache == null) { return null; } return cache.delete(key); } ThreadCache(final String name, long maxCacheSizeBytes, final StreamsMetrics metrics); long puts(); long gets();... |
### Question:
ThreadCache { public MemoryLRUCacheBytesIterator range(final String namespace, final Bytes from, final Bytes to) { final NamedCache cache = getCache(namespace); if (cache == null) { return new MemoryLRUCacheBytesIterator(Collections.<Bytes>emptyIterator(), new NamedCache(namespace, this.metrics)); } retur... |
### Question:
Segments { long segmentId(long timestamp) { return timestamp / segmentInterval; } Segments(final String name, final long retentionPeriod, final int numSegments); void close(); }### Answer:
@Test public void shouldGetSegmentIdsFromTimestamp() throws Exception { assertEquals(0, segments.segmentId(0)); asse... |
### Question:
Segments { String segmentName(long segmentId) { return name + "-" + formatter.format(new Date(segmentId * segmentInterval)); } Segments(final String name, final long retentionPeriod, final int numSegments); void close(); }### Answer:
@Test public void shouldGetSegmentNameFromId() throws Exception { asser... |
### Question:
Segments { Segment getOrCreateSegment(final long segmentId, final ProcessorContext context) { if (segmentId > maxSegmentId - numSegments) { final long key = segmentId % numSegments; final Segment segment = segments.get(key); if (!isSegment(segment, segmentId)) { cleanup(segmentId); } Segment newSegment = ... |
### Question:
CachingKeyValueStore extends WrappedStateStore.AbstractStateStore implements KeyValueStore<K, V>, CachedStateStore<K, V> { @Override public KeyValueIterator<K, V> all() { validateStoreOpen(); final KeyValueIterator<Bytes, byte[]> storeIterator = new DelegatingPeekingKeyValueIterator<>(this.name(), underly... |
### Question:
CachingKeyValueStore extends WrappedStateStore.AbstractStateStore implements KeyValueStore<K, V>, CachedStateStore<K, V> { @Override public KeyValueIterator<K, V> range(final K from, final K to) { validateStoreOpen(); final Bytes origFrom = Bytes.wrap(serdes.rawKey(from)); final Bytes origTo = Bytes.wrap(... |
### Question:
CachingKeyValueStore extends WrappedStateStore.AbstractStateStore implements KeyValueStore<K, V>, CachedStateStore<K, V> { @Override public synchronized V get(final K key) { validateStoreOpen(); if (key == null) { return null; } final byte[] rawKey = serdes.rawKey(key); return get(rawKey); } CachingKeyVal... |
### Question:
SegmentIterator implements KeyValueIterator<Bytes, byte[]> { @Override public Bytes peekNextKey() { if (!hasNext()) { throw new NoSuchElementException(); } return currentIterator.peekNextKey(); } SegmentIterator(final Iterator<Segment> segments,
final HasNextCondition hasNextCondition,... |
### Question:
SegmentIterator implements KeyValueIterator<Bytes, byte[]> { public KeyValue<Bytes, byte[]> next() { if (!hasNext()) { throw new NoSuchElementException(); } return currentIterator.next(); } SegmentIterator(final Iterator<Segment> segments,
final HasNextCondition hasNextCondition,
... |
### Question:
FilteredCacheIterator implements PeekingKeyValueIterator<Bytes, LRUCacheEntry> { @Override public void remove() { throw new UnsupportedOperationException(); } FilteredCacheIterator(final PeekingKeyValueIterator<Bytes, LRUCacheEntry> cacheIterator,
final HasNextCondition hasNextCo... |
### Question:
ChangeLoggingSegmentedBytesStore extends WrappedStateStore.AbstractStateStore implements SegmentedBytesStore { @Override public KeyValueIterator<Bytes, byte[]> fetch(final Bytes key, final long from, final long to) { return bytesStore.fetch(key, from, to); } ChangeLoggingSegmentedBytesStore(final Segmente... |
### Question:
WrappingStoreProvider implements StateStoreProvider { public <T> List<T> stores(final String storeName, QueryableStoreType<T> type) { final List<T> allStores = new ArrayList<>(); for (StateStoreProvider provider : storeProviders) { final List<T> stores = provider.stores(storeName, type); allStores.addAll(... |
### Question:
ChangeLoggingKeyValueBytesStore extends WrappedStateStore.AbstractStateStore implements KeyValueStore<Bytes, byte[]> { @Override public byte[] putIfAbsent(final Bytes key, final byte[] value) { final byte[] previous = get(key); if (previous == null) { put(key, value); } return previous; } ChangeLoggingKey... |
### Question:
ChangeLoggingKeyValueBytesStore extends WrappedStateStore.AbstractStateStore implements KeyValueStore<Bytes, byte[]> { @Override public byte[] get(final Bytes key) { return inner.get(key); } ChangeLoggingKeyValueBytesStore(final KeyValueStore<Bytes, byte[]> inner); @Override void init(final ProcessorConte... |
### Question:
WindowKeySchema implements RocksDBSegmentedBytesStore.KeySchema { @Override public Bytes upperRange(final Bytes key, final long to) { final byte[] maxSuffix = ByteBuffer.allocate(SUFFIX_SIZE) .putLong(to) .putInt(Integer.MAX_VALUE) .array(); return OrderedBytes.upperRange(key, maxSuffix); } @Override voi... |
### Question:
WindowKeySchema implements RocksDBSegmentedBytesStore.KeySchema { @Override public Bytes lowerRange(final Bytes key, final long from) { return OrderedBytes.lowerRange(key, MIN_SUFFIX); } @Override void init(final String topic); @Override Bytes upperRange(final Bytes key, final long to); @Override Bytes l... |
### Question:
DelegatingPeekingKeyValueIterator implements KeyValueIterator<K, V>, PeekingKeyValueIterator<K, V> { @Override public synchronized KeyValue<K, V> next() { if (!hasNext()) { throw new NoSuchElementException(); } final KeyValue<K, V> result = next; next = null; return result; } DelegatingPeekingKeyValueIter... |
### Question:
DelegatingPeekingKeyValueIterator implements KeyValueIterator<K, V>, PeekingKeyValueIterator<K, V> { @Override public synchronized K peekNextKey() { if (!hasNext()) { throw new NoSuchElementException(); } return next.key; } DelegatingPeekingKeyValueIterator(final String storeName, final KeyValueIterator<K... |
### Question:
CompositeReadOnlyKeyValueStore implements ReadOnlyKeyValueStore<K, V> { @Override public V get(final K key) { final List<ReadOnlyKeyValueStore<K, V>> stores = storeProvider.stores(storeName, storeType); for (ReadOnlyKeyValueStore<K, V> store : stores) { try { final V result = store.get(key); if (result !=... |
### Question:
CompositeReadOnlyKeyValueStore implements ReadOnlyKeyValueStore<K, V> { @Override public KeyValueIterator<K, V> range(final K from, final K to) { final NextIteratorFunction<K, V> nextIteratorFunction = new NextIteratorFunction<K, V>() { @Override public KeyValueIterator<K, V> apply(final ReadOnlyKeyValueS... |
### Question:
CompositeReadOnlyKeyValueStore implements ReadOnlyKeyValueStore<K, V> { @Override public KeyValueIterator<K, V> all() { final NextIteratorFunction<K, V> nextIteratorFunction = new NextIteratorFunction<K, V>() { @Override public KeyValueIterator<K, V> apply(final ReadOnlyKeyValueStore<K, V> store) { try { ... |
### Question:
CompositeReadOnlyKeyValueStore implements ReadOnlyKeyValueStore<K, V> { @Override public long approximateNumEntries() { final List<ReadOnlyKeyValueStore<K, V>> stores = storeProvider.stores(storeName, storeType); long total = 0; for (ReadOnlyKeyValueStore<K, V> store : stores) { total += store.approximate... |
### Question:
ChangeLoggingKeyValueStore extends WrappedStateStore.AbstractStateStore implements KeyValueStore<K, V> { @Override public void put(final K key, final V value) { final Bytes bytesKey = Bytes.wrap(serdes.rawKey(key)); final byte[] bytesValue = serdes.rawValue(value); innerBytes.put(bytesKey, bytesValue); } ... |
### Question:
ChangeLoggingKeyValueStore extends WrappedStateStore.AbstractStateStore implements KeyValueStore<K, V> { @Override public void putAll(final List<KeyValue<K, V>> entries) { final List<KeyValue<Bytes, byte[]>> keyValues = new ArrayList<>(); for (final KeyValue<K, V> entry : entries) { keyValues.add(KeyValue... |
### Question:
ChangeLoggingKeyValueStore extends WrappedStateStore.AbstractStateStore implements KeyValueStore<K, V> { @Override public V delete(final K key) { final byte[] oldValue = innerBytes.delete(Bytes.wrap(serdes.rawKey(key))); if (oldValue == null) { return null; } return serdes.valueFrom(oldValue); } ChangeLog... |
### Question:
ChangeLoggingKeyValueStore extends WrappedStateStore.AbstractStateStore implements KeyValueStore<K, V> { @Override public V putIfAbsent(final K key, final V value) { final V v = get(key); if (v == null) { put(key, value); } return v; } ChangeLoggingKeyValueStore(final KeyValueStore<Bytes, byte[]> bytesSto... |
### Question:
TimestampConverter implements Transformation<R> { @Override public void configure(Map<String, ?> configs) { final SimpleConfig simpleConfig = new SimpleConfig(CONFIG_DEF, configs); final String field = simpleConfig.getString(FIELD_CONFIG); final String type = simpleConfig.getString(TARGET_TYPE_CONFIG); St... |
### Question:
ChangeLoggingKeyValueStore extends WrappedStateStore.AbstractStateStore implements KeyValueStore<K, V> { @Override public V get(final K key) { final byte[] rawValue = innerBytes.get(Bytes.wrap(serdes.rawKey(key))); if (rawValue == null) { return null; } return serdes.valueFrom(rawValue); } ChangeLoggingKe... |
### Question:
QueryableStoreProvider { public <T> T getStore(final String storeName, final QueryableStoreType<T> queryableStoreType) { final List<T> globalStore = globalStoreProvider.stores(storeName, queryableStoreType); if (!globalStore.isEmpty()) { return queryableStoreType.create(new WrappingStoreProvider(Collectio... |
### Question:
StoreChangeLogger { void logChange(final K key, final V value) { if (collector != null) { final Serializer<K> keySerializer = serialization.keySerializer(); final Serializer<V> valueSerializer = serialization.valueSerializer(); collector.send(this.topic, key, value, this.partition, context.timestamp(), ke... |
### Question:
KafkaStreams { public void close() { close(DEFAULT_CLOSE_TIMEOUT, TimeUnit.SECONDS); } KafkaStreams(final TopologyBuilder builder, final Properties props); KafkaStreams(final TopologyBuilder builder, final StreamsConfig config); KafkaStreams(final TopologyBuilder builder,
final S... |
### Question:
KafkaStreams { public Map<MetricName, ? extends Metric> metrics() { return Collections.unmodifiableMap(metrics.metrics()); } KafkaStreams(final TopologyBuilder builder, final Properties props); KafkaStreams(final TopologyBuilder builder, final StreamsConfig config); KafkaStreams(final TopologyBuilder bu... |
### Question:
KafkaStreams { public Collection<StreamsMetadata> allMetadata() { validateIsRunning(); return streamsMetadataState.getAllMetadata(); } KafkaStreams(final TopologyBuilder builder, final Properties props); KafkaStreams(final TopologyBuilder builder, final StreamsConfig config); KafkaStreams(final Topology... |
### Question:
KafkaStreams { public Collection<StreamsMetadata> allMetadataForStore(final String storeName) { validateIsRunning(); return streamsMetadataState.getAllMetadataForStore(storeName); } KafkaStreams(final TopologyBuilder builder, final Properties props); KafkaStreams(final TopologyBuilder builder, final Stre... |
### Question:
KafkaStreams { public <K> StreamsMetadata metadataForKey(final String storeName, final K key, final Serializer<K> keySerializer) { validateIsRunning(); return streamsMetadataState.getMetadataWithKey(storeName, key, keySerializer); } KafkaStreams(final TopologyBuilder builder, final Properties props); Kaf... |
### Question:
KafkaStreams { public void cleanUp() { if (state.isRunning()) { throw new IllegalStateException("Cannot clean up while running."); } final String appId = config.getString(StreamsConfig.APPLICATION_ID_CONFIG); final String stateDir = config.getString(StreamsConfig.STATE_DIR_CONFIG); final String localAppli... |
### Question:
KafkaStreams { @Override public String toString() { return toString(""); } KafkaStreams(final TopologyBuilder builder, final Properties props); KafkaStreams(final TopologyBuilder builder, final StreamsConfig config); KafkaStreams(final TopologyBuilder builder,
final StreamsConfig... |
### Question:
Windows { protected Windows<W> segments(final int segments) throws IllegalArgumentException { if (segments < 2) { throw new IllegalArgumentException("Number of segments must be at least 2."); } this.segments = segments; return this; } protected Windows(); Windows<W> until(final long durationMs); long mai... |
### Question:
Windows { public Windows<W> until(final long durationMs) throws IllegalArgumentException { if (durationMs < 0) { throw new IllegalArgumentException("Window retention time (durationMs) cannot be negative."); } maintainDurationMs = durationMs; return this; } protected Windows(); Windows<W> until(final long... |
### Question:
TimeWindows extends Windows<TimeWindow> { public static TimeWindows of(final long sizeMs) throws IllegalArgumentException { if (sizeMs <= 0) { throw new IllegalArgumentException("Window size (sizeMs) must be larger than zero."); } return new TimeWindows(sizeMs, sizeMs); } private TimeWindows(final long s... |
### Question:
SetSchemaMetadata implements Transformation<R> { protected static Object updateSchemaIn(Object keyOrValue, Schema updatedSchema) { if (keyOrValue instanceof Struct) { Struct origStruct = (Struct) keyOrValue; Struct newStruct = new Struct(updatedSchema); for (Field field : updatedSchema.fields()) { newStru... |
### Question:
WindowedStreamPartitioner implements StreamPartitioner<Windowed<K>, V> { public Integer partition(final Windowed<K> windowedKey, final V value, final int numPartitions) { final byte[] keyBytes = serializer.serializeBaseKey(topic, windowedKey); return toPositive(Utils.murmur2(keyBytes)) % numPartitions; } ... |
### Question:
KTableAggregate implements KTableProcessorSupplier<K, V, T> { @Override public Processor<K, Change<V>> get() { return new KTableAggregateProcessor(); } KTableAggregate(String storeName, Initializer<T> initializer, Aggregator<? super K, ? super V, T> add, Aggregator<? super K, ? super V, T> remove); @Overr... |
### Question:
KStreamFlatMap implements ProcessorSupplier<K, V> { @Override public Processor<K, V> get() { return new KStreamFlatMapProcessor(); } KStreamFlatMap(KeyValueMapper<? super K, ? super V, ? extends Iterable<? extends KeyValue<? extends K1, ? extends V1>>> mapper); @Override Processor<K, V> get(); }### Answe... |
### Question:
KStreamFlatMapValues implements ProcessorSupplier<K, V> { @Override public Processor<K, V> get() { return new KStreamFlatMapValuesProcessor(); } KStreamFlatMapValues(ValueMapper<? super V, ? extends Iterable<? extends V1>> mapper); @Override Processor<K, V> get(); }### Answer:
@Test public void testFlatM... |
### Question:
Cast implements Transformation<R> { @Override public void configure(Map<String, ?> props) { final SimpleConfig config = new SimpleConfig(CONFIG_DEF, props); casts = parseFieldTypes(config.getList(SPEC_CONFIG)); wholeValueCastType = casts.get(WHOLE_VALUE_CAST); schemaUpdateCache = new SynchronizedCache<>(n... |
### Question:
KStreamBranch implements ProcessorSupplier<K, V> { @SuppressWarnings("unchecked") public KStreamBranch(Predicate<K, V> ... predicates) { this.predicates = predicates; } @SuppressWarnings("unchecked") KStreamBranch(Predicate<K, V> ... predicates); @Override Processor<K, V> get(); }### Answer:
@SuppressWa... |
### Question:
KGroupedTableImpl extends AbstractStream<K> implements KGroupedTable<K, V> { @Override public KTable<K, Long> count(final String queryableStoreName) { determineIsQueryable(queryableStoreName); return count(keyValueStore(keySerde, Serdes.Long(), getOrCreateName(queryableStoreName, AGGREGATE_NAME))); } KGro... |
### Question:
SessionKeySerde implements Serde<Windowed<K>> { @Override public Serializer<Windowed<K>> serializer() { return new SessionKeySerializer(keySerde.serializer()); } SessionKeySerde(final Serde<K> keySerde); @Override void configure(final Map<String, ?> configs, final boolean isKey); @Override void close(); @... |
### Question:
SessionKeySerde implements Serde<Windowed<K>> { @Override public Deserializer<Windowed<K>> deserializer() { return new SessionKeyDeserializer(keySerde.deserializer()); } SessionKeySerde(final Serde<K> keySerde); @Override void configure(final Map<String, ?> configs, final boolean isKey); @Override void cl... |
### Question:
KStreamMap implements ProcessorSupplier<K, V> { @Override public Processor<K, V> get() { return new KStreamMapProcessor(); } KStreamMap(KeyValueMapper<? super K, ? super V, ? extends KeyValue<? extends K1, ? extends V1>> mapper); @Override Processor<K, V> get(); }### Answer:
@Test public void testMap() {... |
### Question:
KStreamTransform implements ProcessorSupplier<K, V> { @Override public Processor<K, V> get() { return new KStreamTransformProcessor<>(transformerSupplier.get()); } KStreamTransform(TransformerSupplier<? super K, ? super V, ? extends KeyValue<? extends K1, ? extends V1>> transformerSupplier); @Override Pro... |
### Question:
KTableSource implements ProcessorSupplier<K, V> { @Override public Processor<K, V> get() { return new KTableSourceProcessor(); } KTableSource(String storeName); @Override Processor<K, V> get(); void enableSendingOldValues(); final String storeName; }### Answer:
@Test public void testValueGetter() throws I... |
### Question:
KTableSource implements ProcessorSupplier<K, V> { public void enableSendingOldValues() { sendOldValues = true; } KTableSource(String storeName); @Override Processor<K, V> get(); void enableSendingOldValues(); final String storeName; }### Answer:
@Test public void testSendingOldValue() throws IOException {... |
### Question:
KTableMapValues implements KTableProcessorSupplier<K, V, V1> { @Override public void enableSendingOldValues() { parent.enableSendingOldValues(); sendOldValues = true; } KTableMapValues(final KTableImpl<K, ?, V> parent, final ValueMapper<? super V, ? extends V1> mapper,
final Str... |
### Question:
ByteArrayConverter implements Converter { @Override public byte[] fromConnectData(String topic, Schema schema, Object value) { if (schema != null && schema.type() != Schema.Type.BYTES) throw new DataException("Invalid schema type for ByteArrayConverter: " + schema.type().toString()); if (value != null && ... |
### Question:
KStreamTransformValues implements ProcessorSupplier<K, V> { @Override public Processor<K, V> get() { return new KStreamTransformValuesProcessor<>(valueTransformerSupplier.get()); } KStreamTransformValues(ValueTransformerSupplier<V, R> valueTransformerSupplier); @Override Processor<K, V> get(); }### Answe... |
### Question:
KStreamMapValues implements ProcessorSupplier<K, V> { @Override public Processor<K, V> get() { return new KStreamMapProcessor(); } KStreamMapValues(ValueMapper<V, V1> mapper); @Override Processor<K, V> get(); }### Answer:
@Test public void testFlatMapValues() { KStreamBuilder builder = new KStreamBuilder... |
### Question:
ByteArrayConverter implements Converter { @Override public SchemaAndValue toConnectData(String topic, byte[] value) { return new SchemaAndValue(Schema.OPTIONAL_BYTES_SCHEMA, value); } @Override void configure(Map<String, ?> configs, boolean isKey); @Override byte[] fromConnectData(String topic, Schema sc... |
### Question:
SessionWindows { public static SessionWindows with(final long inactivityGapMs) { if (inactivityGapMs <= 0) { throw new IllegalArgumentException("Gap time (inactivityGapMs) cannot be zero or negative."); } return new SessionWindows(inactivityGapMs); } private SessionWindows(final long gapMs); static Sessi... |
### Question:
JoinWindows extends Windows<Window> { public static JoinWindows of(final long timeDifferenceMs) throws IllegalArgumentException { return new JoinWindows(timeDifferenceMs, timeDifferenceMs); } private JoinWindows(final long beforeMs, final long afterMs); static JoinWindows of(final long timeDifferenceMs);... |
### Question:
DefaultPartitionGrouper implements PartitionGrouper { public Map<TaskId, Set<TopicPartition>> partitionGroups(Map<Integer, Set<String>> topicGroups, Cluster metadata) { Map<TaskId, Set<TopicPartition>> groups = new HashMap<>(); for (Map.Entry<Integer, Set<String>> entry : topicGroups.entrySet()) { Integer... |
### Question:
WallclockTimestampExtractor implements TimestampExtractor { @Override public long extract(final ConsumerRecord<Object, Object> record, final long previousTimestamp) { return System.currentTimeMillis(); } @Override long extract(final ConsumerRecord<Object, Object> record, final long previousTimestamp); }... |
### Question:
StateRestorer { void restore(final byte[] key, final byte[] value) { stateRestoreCallback.restore(key, value); } StateRestorer(final TopicPartition partition,
final StateRestoreCallback stateRestoreCallback,
final Long checkpoint,
final long offsetLimi... |
### Question:
StateRestorer { boolean hasCompleted(final long recordOffset, final long endOffset) { return endOffset == 0 || recordOffset >= readTo(endOffset); } StateRestorer(final TopicPartition partition,
final StateRestoreCallback stateRestoreCallback,
final Long checkpoint,
... |
### Question:
AbstractProcessorContext implements InternalProcessorContext { @Override public void register(final StateStore store, final boolean loggingEnabled, final StateRestoreCallback stateRestoreCallback) { if (initialized) { throw new IllegalStateException("Can only create state stores during initialization."); ... |
### Question:
AbstractProcessorContext implements InternalProcessorContext { @Override public String topic() { if (recordContext == null) { throw new IllegalStateException("This should not happen as topic() should only be called while a record is processed"); } final String topic = recordContext.topic(); if (topic.equa... |
### Question:
AbstractProcessorContext implements InternalProcessorContext { @Override public int partition() { if (recordContext == null) { throw new IllegalStateException("This should not happen as partition() should only be called while a record is processed"); } return recordContext.partition(); } AbstractProcessor... |
### Question:
AbstractProcessorContext implements InternalProcessorContext { @Override public long offset() { if (recordContext == null) { throw new IllegalStateException("This should not happen as offset() should only be called while a record is processed"); } return recordContext.offset(); } AbstractProcessorContext(... |
### Question:
AbstractProcessorContext implements InternalProcessorContext { @Override public long timestamp() { if (recordContext == null) { throw new IllegalStateException("This should not happen as timestamp() should only be called while a record is processed"); } return recordContext.timestamp(); } AbstractProcesso... |
### Question:
TopicAdmin implements AutoCloseable { public boolean createTopic(NewTopic topic) { if (topic == null) return false; Set<String> newTopicNames = createTopics(topic); return newTopicNames.contains(topic.name()); } TopicAdmin(Map<String, Object> adminConfig); TopicAdmin(Map<String, Object> adminConfig, Adm... |
### Question:
StandbyTask extends AbstractTask { Map<TopicPartition, Long> checkpointedOffsets() { return checkpointedOffsets; } StandbyTask(final TaskId id,
final String applicationId,
final Collection<TopicPartition> partitions,
final ProcessorTopology topology,
... |
### Question:
StandbyTask extends AbstractTask { public List<ConsumerRecord<byte[], byte[]>> update(final TopicPartition partition, final List<ConsumerRecord<byte[], byte[]>> records) { log.debug("{} Updating standby replicas of its state store for partition [{}]", logPrefix, partition); return stateMgr.updateStandbySt... |
### Question:
StateDirectory { File directoryForTask(final TaskId taskId) { final File taskDir = new File(stateDir, taskId.toString()); if (!taskDir.exists() && !taskDir.mkdir()) { throw new ProcessorStateException(String.format("task directory [%s] doesn't exist and couldn't be created", taskDir.getPath())); } return ... |
### Question:
StateDirectory { boolean lock(final TaskId taskId, int retry) throws IOException { final File lockFile; if (locks.containsKey(taskId)) { log.trace("{} Found cached state dir lock for task {}", logPrefix, taskId); return true; } try { lockFile = new File(directoryForTask(taskId), LOCK_FILE_NAME); } catch (... |
### Question:
StateDirectory { public void cleanRemovedTasks(final long cleanupDelayMs) { final File[] taskDirs = listTaskDirectories(); if (taskDirs == null || taskDirs.length == 0) { return; } for (File taskDir : taskDirs) { final String dirName = taskDir.getName(); TaskId id = TaskId.parse(dirName); if (!locks.conta... |
### Question:
StreamThread extends Thread { String threadClientId() { return threadClientId; } StreamThread(final TopologyBuilder builder,
final StreamsConfig config,
final KafkaClientSupplier clientSupplier,
final String applicationId,
... |
### Question:
StreamThread extends Thread { protected void maybeCommit(final long now) { if (commitTimeMs >= 0 && lastCommitMs + commitTimeMs < now) { log.debug("{} Committing all active tasks {} and standby tasks {} because the commit interval {}ms has elapsed by {}ms", logPrefix, activeTasks.keySet(), standbyTasks.ke... |
### Question:
StreamsMetricsImpl implements StreamsMetrics { @Override public void removeSensor(Sensor sensor) { Sensor parent = null; Objects.requireNonNull(sensor, "Sensor is null"); metrics.removeSensor(sensor.name()); parent = parentSensors.get(sensor); if (parent != null) { metrics.removeSensor(parent.name()); } }... |
### Question:
GlobalStateManagerImpl implements GlobalStateManager { @Override public Set<String> initialize(final InternalProcessorContext processorContext) { try { if (!stateDirectory.lockGlobalState(MAX_LOCK_ATTEMPTS)) { throw new LockException(String.format("Failed to lock the global state directory: %s", baseDir))... |
### Question:
StreamTask extends AbstractTask implements Punctuator { boolean maybePunctuate() { final long timestamp = partitionGroup.timestamp(); if (timestamp == TimestampTracker.NOT_KNOWN) { return false; } else { return punctuationQueue.mayPunctuate(timestamp, this); } } StreamTask(final TaskId id,
... |
### Question:
StreamTask extends AbstractTask implements Punctuator { @Override protected void flushState() { log.trace("{} Flushing state and producer", logPrefix); super.flushState(); recordCollector.flush(); } StreamTask(final TaskId id,
final String applicationId,
final C... |
### Question:
StreamTask extends AbstractTask implements Punctuator { @Override public void punctuate(final ProcessorNode node, final long timestamp) { if (processorContext.currentNode() != null) { throw new IllegalStateException(String.format("%s Current node is not null", logPrefix)); } updateProcessorContext(new Sta... |
### Question:
StreamTask extends AbstractTask implements Punctuator { public void schedule(final long interval) { if (processorContext.currentNode() == null) { throw new IllegalStateException(String.format("%s Current node is null", logPrefix)); } punctuationQueue.schedule(new PunctuationSchedule(processorContext.curre... |
### Question:
StreamTask extends AbstractTask implements Punctuator { @Override public void close(boolean clean) { log.debug("{} Closing", logPrefix); RuntimeException firstException = null; try { suspend(clean); } catch (final RuntimeException e) { clean = false; firstException = e; log.error("{} Could not close task:... |
### Question:
StreamTask extends AbstractTask implements Punctuator { @Override public void suspend() { suspend(true); } StreamTask(final TaskId id,
final String applicationId,
final Collection<TopicPartition> partitions,
final ProcessorTopology topology... |
### Question:
StreamsMetadataState { public synchronized Collection<StreamsMetadata> getAllMetadataForStore(final String storeName) { Objects.requireNonNull(storeName, "storeName cannot be null"); if (!isInitialized()) { return Collections.emptyList(); } if (globalStores.contains(storeName)) { return allMetadata; } fin... |
### Question:
StreamsMetadataState { public synchronized Collection<StreamsMetadata> getAllMetadata() { return allMetadata; } StreamsMetadataState(final TopologyBuilder builder, final HostInfo thisHost); synchronized Collection<StreamsMetadata> getAllMetadata(); synchronized Collection<StreamsMetadata> getAllMetadataFo... |
### Question:
StreamsMetadataState { public synchronized <K> StreamsMetadata getMetadataWithKey(final String storeName, final K key, final Serializer<K> keySerializer) { Objects.requireNonNull(keySerializer, "keySerializer can't be null"); Objects.requireNonNull(storeName, "storeName can't be null"); Objects.requireNon... |
### Question:
SinkNode extends ProcessorNode<K, V> { @Override public void process(final K key, final V value) { final RecordCollector collector = ((RecordCollector.Supplier) context).recordCollector(); final long timestamp = context.timestamp(); if (timestamp < 0) { throw new StreamsException("Invalid (negative) times... |
### Question:
ProcessorTopology { public List<StateStore> globalStateStores() { return globalStateStores; } ProcessorTopology(final List<ProcessorNode> processorNodes,
final Map<String, SourceNode> sourceByTopics,
final Map<String, SinkNode> sinkByTopics,
... |
### Question:
ProcessorTopology { @Override public String toString() { return toString(""); } ProcessorTopology(final List<ProcessorNode> processorNodes,
final Map<String, SourceNode> sourceByTopics,
final Map<String, SinkNode> sinkByTopics,
... |
### Question:
ConnectorsResource { @POST @Path("/") public Response createConnector(final @QueryParam("forward") Boolean forward, final CreateConnectorRequest createRequest) throws Throwable { String name = createRequest.name(); if (name.contains("/")) { throw new BadRequestException("connector name should not contain ... |
### Question:
InternalTopicConfig { public Properties toProperties(final long additionalRetentionMs) { final Properties result = new Properties(); for (Map.Entry<String, String> configEntry : logConfig.entrySet()) { result.put(configEntry.getKey(), configEntry.getValue()); } if (retentionMs != null && isCompactDelete()... |
### Question:
InternalTopicConfig { boolean isCompacted() { return cleanupPolicies.contains(CleanupPolicy.compact); } InternalTopicConfig(final String name, final Set<CleanupPolicy> defaultCleanupPolicies, final Map<String, String> logConfig); Properties toProperties(final long additionalRetentionMs); String name(); vo... |
### Question:
StreamPartitionAssignor implements PartitionAssignor, Configurable { @Override public Subscription subscription(Set<String> topics) { final Set<TaskId> previousActiveTasks = streamThread.prevActiveTasks(); Set<TaskId> standbyTasks = streamThread.cachedTasks(); standbyTasks.removeAll(previousActiveTasks); ... |
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