Package org.apache.kafka.streams.processor.internals

Class AbstractTask

java.lang.Object

org.apache.kafka.streams.processor.internals.AbstractTask

All Implemented Interfaces:

Task

Direct Known Subclasses:

StandbyTask, StreamTask

public abstract class AbstractTask
extends java.lang.Object
implements Task

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.kafka.streams.processor.internals.Task

Task.State, Task.TaskType

Field Summary

Fields

Modifier and Type	Field	Description
protected TaskId	id
protected java.util.Set<org.apache.kafka.common.TopicPartition>	inputPartitions
protected StateDirectory	stateDirectory
protected ProcessorStateManager	stateMgr
protected ProcessorTopology	topology

Fields inherited from interface org.apache.kafka.streams.processor.internals.Task

LATEST_OFFSET

Method Summary

Modifier and Type	Method	Description
java.util.Collection<org.apache.kafka.common.TopicPartition>	changelogPartitions()
StateStore	getStore(java.lang.String name)
TaskId	id()
java.util.Set<org.apache.kafka.common.TopicPartition>	inputPartitions()
boolean	isClosed()
void	markChangelogAsCorrupted(java.util.Collection<org.apache.kafka.common.TopicPartition> partitions)
void	revive()	Revive a closed task to a created one; should never throw an exception
Task.State	state()
void	update(java.util.Set<org.apache.kafka.common.TopicPartition> topicPartitions, java.util.Map<java.lang.String,java.util.List<java.lang.String>> allTopologyNodesToSourceTopics)	Updates input partitions and topology after rebalance

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface org.apache.kafka.streams.processor.internals.Task

addRecords, changelogOffsets, closeClean, closeCleanAndRecycleState, closeDirty, commitNeeded, commitRequested, completeRestoration, initializeIfNeeded, isActive, maybePunctuateStreamTime, maybePunctuateSystemTime, needsInitializationOrRestoration, postCommit, prepareCommit, process, purgeableOffsets, recordProcessBatchTime, recordProcessTimeRatioAndBufferSize, resume, suspend

Field Detail

inputPartitions

protected java.util.Set<org.apache.kafka.common.TopicPartition> inputPartitions

topology

protected ProcessorTopology topology

id

protected final TaskId id

stateDirectory

protected final StateDirectory stateDirectory

stateMgr

protected final ProcessorStateManager stateMgr

Method Detail

id

public TaskId id()

Specified by:

id in interface Task

inputPartitions

public java.util.Set<org.apache.kafka.common.TopicPartition> inputPartitions()

Specified by:

inputPartitions in interface Task

changelogPartitions

public java.util.Collection<org.apache.kafka.common.TopicPartition> changelogPartitions()

Specified by:

changelogPartitions in interface Task

Returns:

any changelog partitions associated with this task

markChangelogAsCorrupted

public void markChangelogAsCorrupted(java.util.Collection<org.apache.kafka.common.TopicPartition> partitions)

Specified by:

markChangelogAsCorrupted in interface Task

getStore

public StateStore getStore(java.lang.String name)

Specified by:

getStore in interface Task

isClosed

public boolean isClosed()

Specified by:

isClosed in interface Task

state

public final Task.State state()

Specified by:

state in interface Task

revive

public void revive()

Description copied from interface: Task

Revive a closed task to a created one; should never throw an exception

Specified by:

revive in interface Task

update

public void update(java.util.Set<org.apache.kafka.common.TopicPartition> topicPartitions,
                   java.util.Map<java.lang.String,java.util.List<java.lang.String>> allTopologyNodesToSourceTopics)

Description copied from interface: Task

Updates input partitions and topology after rebalance

Specified by:

update in interface Task