org.apache.flink.connector.pulsar.source.enumerator

Class PulsarSourceEnumerator

java.lang.Object

org.apache.flink.connector.pulsar.source.enumerator.PulsarSourceEnumerator

All Implemented Interfaces:

AutoCloseable, org.apache.flink.api.common.state.CheckpointListener, org.apache.flink.api.connector.source.SplitEnumerator<PulsarPartitionSplit,PulsarSourceEnumeratorState>

public class PulsarSourceEnumerator
extends Object
implements org.apache.flink.api.connector.source.SplitEnumerator<PulsarPartitionSplit,PulsarSourceEnumeratorState>

The enumerator class for pulsar source.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	PulsarSourceEnumerator.PartitionSplitChange class that represents partitionSplit's change.

Constructor Summary

Constructors

Constructor and Description

PulsarSourceEnumerator(PulsarSubscriber subscriber, StartOffsetInitializer startOffsetInitializer, StopCondition stopCondition, org.apache.pulsar.client.admin.PulsarAdmin pulsarAdmin, org.apache.flink.configuration.Configuration configuration, org.apache.flink.api.connector.source.SplitEnumeratorContext<PulsarPartitionSplit> context, Map<Integer,List<PulsarPartitionSplit>> currentSplitsAssignments, SplitSchedulingStrategy splitSchedulingStrategy)

Method Summary

Modifier and Type	Method and Description
void	addReader(int subtaskId)
void	addSplitsBack(List<PulsarPartitionSplit> splits, int subtaskId)
void	close()
void	handleSplitRequest(int subtaskId, String requesterHostname)
PulsarSourceEnumeratorState	snapshotState(long l)
void	start()

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.flink.api.connector.source.SplitEnumerator

handleSourceEvent, notifyCheckpointComplete

Methods inherited from interface org.apache.flink.api.common.state.CheckpointListener

notifyCheckpointAborted

Constructor Detail

PulsarSourceEnumerator

public PulsarSourceEnumerator(PulsarSubscriber subscriber,
                              StartOffsetInitializer startOffsetInitializer,
                              StopCondition stopCondition,
                              org.apache.pulsar.client.admin.PulsarAdmin pulsarAdmin,
                              org.apache.flink.configuration.Configuration configuration,
                              org.apache.flink.api.connector.source.SplitEnumeratorContext<PulsarPartitionSplit> context,
                              Map<Integer,List<PulsarPartitionSplit>> currentSplitsAssignments,
                              SplitSchedulingStrategy splitSchedulingStrategy)

Method Detail

start

public void start()

Specified by:

start in interface org.apache.flink.api.connector.source.SplitEnumerator<PulsarPartitionSplit,PulsarSourceEnumeratorState>

handleSplitRequest

public void handleSplitRequest(int subtaskId,
                               @Nullable
                               String requesterHostname)

Specified by:

handleSplitRequest in interface org.apache.flink.api.connector.source.SplitEnumerator<PulsarPartitionSplit,PulsarSourceEnumeratorState>

addSplitsBack

public void addSplitsBack(List<PulsarPartitionSplit> splits,
                          int subtaskId)

Specified by:

addSplitsBack in interface org.apache.flink.api.connector.source.SplitEnumerator<PulsarPartitionSplit,PulsarSourceEnumeratorState>

addReader

public void addReader(int subtaskId)

Specified by:

addReader in interface org.apache.flink.api.connector.source.SplitEnumerator<PulsarPartitionSplit,PulsarSourceEnumeratorState>

snapshotState

public PulsarSourceEnumeratorState snapshotState(long l)
                                          throws Exception

Specified by:

snapshotState in interface org.apache.flink.api.connector.source.SplitEnumerator<PulsarPartitionSplit,PulsarSourceEnumeratorState>

Throws:

Exception

close

public void close()

Specified by:

close in interface AutoCloseable

Specified by:

close in interface org.apache.flink.api.connector.source.SplitEnumerator<PulsarPartitionSplit,PulsarSourceEnumeratorState>