mjsax commented on a change in pull request #8851:
URL: https://github.com/apache/kafka/pull/8851#discussion_r438531936
##########
File path:
streams/src/main/java/org/apache/kafka/streams/processor/internals/Task.java
##########
@@ -116,89 +112,100 @@ public boolean isValidTransition(final State newState) {
*/
void completeRestoration();
- void addRecords(TopicPartition partition, Iterable<ConsumerRecord<byte[],
byte[]>> records);
-
- boolean commitNeeded();
-
- /**
- * @throws StreamsException fatal error, should close the thread
- */
- Map<TopicPartition, OffsetAndMetadata> prepareCommit();
-
- void postCommit();
-
void suspend();
/**
- *
* @throws StreamsException fatal error, should close the thread
*/
void resume();
- /**
- * Must be idempotent.
- */
+ void closeDirty();
+
void closeClean();
- /**
- * Must be idempotent.
- */
- void closeDirty();
+
+ // non-idempotent life-cycle methods
/**
- * Updates input partitions and topology after rebalance
+ * Revive a closed task to a created one; should never throw an exception
*/
- void update(final Set<TopicPartition> topicPartitions, final Map<String,
List<String>> nodeToSourceTopics);
+ void revive();
/**
* Attempt a clean close but do not close the underlying state
*/
void closeAndRecycleState();
- /**
- * Revive a closed task to a created one; should never throw an exception
- */
- void revive();
-
- StateStore getStore(final String name);
-
- Set<TopicPartition> inputPartitions();
+ void markChangelogAsCorrupted(final Collection<TopicPartition> partitions);
- /**
- * @return any changelog partitions associated with this task
- */
- Collection<TopicPartition> changelogPartitions();
- /**
- * @return the offsets of all the changelog partitions associated with
this task,
- * indicating the current positions of the logged state stores of
the task.
- */
- Map<TopicPartition, Long> changelogOffsets();
+ // runtime methods (using in RUNNING state)
- void markChangelogAsCorrupted(final Collection<TopicPartition> partitions);
+ void addRecords(TopicPartition partition, Iterable<ConsumerRecord<byte[],
byte[]>> records);
- default Map<TopicPartition, Long> purgeableOffsets() {
- return Collections.emptyMap();
+ default boolean process(final long wallClockTime) {
+ return false;
}
default void recordProcessBatchTime(final long processBatchTime) {}
default void recordProcessTimeRatioAndBufferSize(final long
allTaskProcessMs, final long now) {}
- default boolean process(final long wallClockTime) {
+ default boolean maybePunctuateStreamTime() {
return false;
}
- default boolean commitRequested() {
+ default boolean maybePunctuateSystemTime() {
return false;
}
- default boolean maybePunctuateStreamTime() {
+ boolean commitNeeded();
+
+ default boolean commitRequested() {
return false;
}
- default boolean maybePunctuateSystemTime() {
- return false;
+ /**
+ * @throws StreamsException fatal error, should close the thread
+ */
+ Map<TopicPartition, OffsetAndMetadata> prepareCommit();
+
+ void postCommit();
+
+ default Map<TopicPartition, Long> purgeableOffsets() {
+ return Collections.emptyMap();
}
+
+ // task status inquiry
+
+ TaskId id();
+
+ State state();
+
+ boolean isActive();
+
+ /**
+ * Updates input partitions after a rebalance
+ */
+ void updateInputPartitions(final Set<TopicPartition> topicPartitions,
final Map<String, List<String>> nodeToSourceTopics);
Review comment:
Renamed from `update` to `updateInputPartitions`
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