Package com.mapr.kafka.eventstreams.impl

Class MarlinWorkerCoordinator

java.lang.Object

com.mapr.kafka.eventstreams.impl.MarlinCoordinator

com.mapr.kafka.eventstreams.impl.MarlinWorkerCoordinator

All Implemented Interfaces:

java.io.Closeable, java.lang.AutoCloseable, org.apache.kafka.connect.runtime.distributed.GenericWorkerCoordinator

Direct Known Subclasses:

MarlinWorkerCoordinatorV10

public class MarlinWorkerCoordinator
extends MarlinCoordinator
implements org.apache.kafka.connect.runtime.distributed.GenericWorkerCoordinator

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
class	MarlinWorkerCoordinator.MarlinWorkerJoinCallback

Nested classes/interfaces inherited from class com.mapr.kafka.eventstreams.impl.MarlinCoordinator

MarlinCoordinator.MarlinCoordinatorJoinCallback

Field Summary

Fields

Modifier and Type	Field	Description
protected org.apache.kafka.connect.runtime.distributed.WorkerRebalanceListener	rebalanceCb

Fields inherited from class com.mapr.kafka.eventstreams.impl.MarlinCoordinator

groupGenerationId, log, memberId, rejoinEvent, syncProducer

Constructor Summary

Constructors

Constructor	Description
MarlinWorkerCoordinator(org.apache.kafka.connect.runtime.distributed.DistributedConfig conf, java.lang.String groupId, java.lang.String restUrl, org.apache.kafka.connect.storage.KafkaConfigBackingStore configStorage, org.apache.kafka.connect.runtime.distributed.WorkerRebalanceListener rebalanceCb)

Method Summary

Modifier and Type	Method	Description
void	close()
short	currentProtocolVersion()
boolean	ensureCoordinatorReady(org.apache.kafka.common.utils.Timer timer)
protected java.lang.String	generateCoordStream()
protected com.mapr.fs.proto.Marlinserver.JoinGroupDesc	generateJoinDesc()
protected java.lang.String	generateSyncTopic(java.lang.String groupId)
protected org.apache.kafka.connect.runtime.distributed.ClusterConfigState	getConfigSnapshot()
protected java.lang.String	getConfigTopic(java.util.Map<java.lang.String,?> configs)
protected MarlinListener.MarlinJoinCallback	getJoinerCallback()
protected org.slf4j.Logger	getLogger()
protected void	invokeAssignCallback(org.apache.kafka.connect.runtime.distributed.ExtendedAssignment assignmentSnapshot, int groupGenerationId)
protected boolean	isProtocolRejoinNeeded()
java.lang.String	ownerUrl(java.lang.String connector)
java.lang.String	ownerUrl(org.apache.kafka.connect.util.ConnectorTaskId task)
protected java.util.Map<java.lang.String,java.nio.ByteBuffer>	performProtocolAssignment(java.lang.String leaderId, java.util.List<com.mapr.fs.proto.Marlinserver.Member> members)
protected void	protocolOnSyncComplete(com.mapr.fs.proto.Marlinserver.MemberState ms, long generationId)
void	revokeAssignment(org.apache.kafka.connect.runtime.distributed.ExtendedAssignment assignment)
protected void	revokeAssignments()

Methods inherited from class com.mapr.kafka.eventstreams.impl.MarlinCoordinator

ensureActiveGroup, ensureCoordinatorKnown, ensureCoordinatorReady, init, maybeLeaveGroup, maybeLeaveGroup, memberId, onSyncComplete, performOnJoin, poll, pollEvent, rejoinEventOccured, rejoinNeeded, requestRejoin, resetRejoinFlags, wakeup

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.connect.runtime.distributed.GenericWorkerCoordinator

ensureActiveGroup, maybeLeaveGroup, memberId, poll, requestRejoin, wakeup

Field Detail

rebalanceCb

protected final org.apache.kafka.connect.runtime.distributed.WorkerRebalanceListener rebalanceCb

Constructor Detail

MarlinWorkerCoordinator

public MarlinWorkerCoordinator(org.apache.kafka.connect.runtime.distributed.DistributedConfig conf,
                               java.lang.String groupId,
                               java.lang.String restUrl,
                               org.apache.kafka.connect.storage.KafkaConfigBackingStore configStorage,
                               org.apache.kafka.connect.runtime.distributed.WorkerRebalanceListener rebalanceCb)

Method Detail

getLogger

protected org.slf4j.Logger getLogger()

Specified by:

getLogger in class MarlinCoordinator

isProtocolRejoinNeeded

protected boolean isProtocolRejoinNeeded()

Specified by:

isProtocolRejoinNeeded in class MarlinCoordinator

revokeAssignments

protected void revokeAssignments()

Specified by:

revokeAssignments in class MarlinCoordinator

revokeAssignment

public void revokeAssignment(org.apache.kafka.connect.runtime.distributed.ExtendedAssignment assignment)

Specified by:

revokeAssignment in interface org.apache.kafka.connect.runtime.distributed.GenericWorkerCoordinator

protocolOnSyncComplete

protected void protocolOnSyncComplete(com.mapr.fs.proto.Marlinserver.MemberState ms,
                                      long generationId)

Specified by:

protocolOnSyncComplete in class MarlinCoordinator

invokeAssignCallback

protected void invokeAssignCallback(org.apache.kafka.connect.runtime.distributed.ExtendedAssignment assignmentSnapshot,
                                    int groupGenerationId)

currentProtocolVersion

public short currentProtocolVersion()

Specified by:

currentProtocolVersion in interface org.apache.kafka.connect.runtime.distributed.GenericWorkerCoordinator

close

public void close()

Specified by:

close in interface java.lang.AutoCloseable

Specified by:

close in interface java.io.Closeable

Overrides:

close in class MarlinCoordinator

ownerUrl

public java.lang.String ownerUrl(java.lang.String connector)

Specified by:

ownerUrl in interface org.apache.kafka.connect.runtime.distributed.GenericWorkerCoordinator

ownerUrl

public java.lang.String ownerUrl(org.apache.kafka.connect.util.ConnectorTaskId task)

Specified by:

ownerUrl in interface org.apache.kafka.connect.runtime.distributed.GenericWorkerCoordinator

generateSyncTopic

protected java.lang.String generateSyncTopic(java.lang.String groupId)

Specified by:

generateSyncTopic in class MarlinCoordinator

getConfigTopic

protected java.lang.String getConfigTopic(java.util.Map<java.lang.String,?> configs)

generateCoordStream

protected java.lang.String generateCoordStream()

Specified by:

generateCoordStream in class MarlinCoordinator

getConfigSnapshot

protected org.apache.kafka.connect.runtime.distributed.ClusterConfigState getConfigSnapshot()

getJoinerCallback

protected MarlinListener.MarlinJoinCallback getJoinerCallback()

Specified by:

getJoinerCallback in class MarlinCoordinator

generateJoinDesc

protected com.mapr.fs.proto.Marlinserver.JoinGroupDesc generateJoinDesc()

Specified by:

generateJoinDesc in class MarlinCoordinator

performProtocolAssignment

protected java.util.Map<java.lang.String,java.nio.ByteBuffer> performProtocolAssignment(java.lang.String leaderId,
                                                                                              java.util.List<com.mapr.fs.proto.Marlinserver.Member> members)

Specified by:

performProtocolAssignment in class MarlinCoordinator

ensureCoordinatorReady

public boolean ensureCoordinatorReady(org.apache.kafka.common.utils.Timer timer)

Specified by:

ensureCoordinatorReady in interface org.apache.kafka.connect.runtime.distributed.GenericWorkerCoordinator