org.apache.flink.connector.mongodb.source.enumerator

Class MongoSourceEnumerator

java.lang.Object

org.apache.flink.connector.mongodb.source.enumerator.MongoSourceEnumerator

All Implemented Interfaces:

AutoCloseable, org.apache.flink.api.common.state.CheckpointListener, org.apache.flink.api.connector.source.SplitEnumerator<MongoSourceSplit,MongoSourceEnumState>

@Internal
public class MongoSourceEnumerator
extends Object
implements org.apache.flink.api.connector.source.SplitEnumerator<MongoSourceSplit,MongoSourceEnumState>

The enumerator class for MongoSource.

Constructor Summary

Constructors

Constructor and Description
MongoSourceEnumerator(org.apache.flink.api.connector.source.Boundedness boundedness, org.apache.flink.api.connector.source.SplitEnumeratorContext<MongoSourceSplit> context, MongoSplitAssigner splitAssigner)

Method Summary

Modifier and Type	Method and Description
void	addReader(int subtaskId)
void	addSplitsBack(List<MongoSourceSplit> splits, int subtaskId)
void	close()
void	handleSplitRequest(int subtaskId, String requesterHostname)
MongoSourceEnumState	snapshotState(long checkpointId)
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

MongoSourceEnumerator

public MongoSourceEnumerator(org.apache.flink.api.connector.source.Boundedness boundedness,
                             org.apache.flink.api.connector.source.SplitEnumeratorContext<MongoSourceSplit> context,
                             MongoSplitAssigner splitAssigner)

Method Detail

start

public void start()

Specified by:

start in interface org.apache.flink.api.connector.source.SplitEnumerator<MongoSourceSplit,MongoSourceEnumState>

handleSplitRequest

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

Specified by:

handleSplitRequest in interface org.apache.flink.api.connector.source.SplitEnumerator<MongoSourceSplit,MongoSourceEnumState>

addSplitsBack

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

Specified by:

addSplitsBack in interface org.apache.flink.api.connector.source.SplitEnumerator<MongoSourceSplit,MongoSourceEnumState>

addReader

public void addReader(int subtaskId)

Specified by:

addReader in interface org.apache.flink.api.connector.source.SplitEnumerator<MongoSourceSplit,MongoSourceEnumState>

snapshotState

public MongoSourceEnumState snapshotState(long checkpointId)

Specified by:

snapshotState in interface org.apache.flink.api.connector.source.SplitEnumerator<MongoSourceSplit,MongoSourceEnumState>

close

public void close()
           throws IOException

Specified by:

close in interface AutoCloseable

Specified by:

close in interface org.apache.flink.api.connector.source.SplitEnumerator<MongoSourceSplit,MongoSourceEnumState>

Throws:

IOException