Package org.apache.iceberg.flink.maintenance.operator

Class MonitorSource

java.lang.Object

org.apache.iceberg.flink.maintenance.operator.SingleThreadedIteratorSource<TableChange>

org.apache.iceberg.flink.maintenance.operator.MonitorSource

All Implemented Interfaces:

Serializable, org.apache.flink.api.connector.source.Source<TableChange,org.apache.iceberg.flink.maintenance.operator.SingleThreadedIteratorSource.GlobalSplit<TableChange>,Collection<org.apache.iceberg.flink.maintenance.operator.SingleThreadedIteratorSource.GlobalSplit<TableChange>>>, org.apache.flink.api.connector.source.SourceReaderFactory<TableChange,org.apache.iceberg.flink.maintenance.operator.SingleThreadedIteratorSource.GlobalSplit<TableChange>>, org.apache.flink.api.java.typeutils.ResultTypeQueryable<TableChange>

@Internal
public class MonitorSource
extends SingleThreadedIteratorSource<TableChange>

Monitors an Iceberg table for changes

See Also:

• Serialized Form

Constructor Summary

Constructors

Constructor	Description
MonitorSource(TableLoader tableLoader, org.apache.flink.api.connector.source.util.ratelimit.RateLimiterStrategy rateLimiterStrategy, long maxReadBack)	Creates a Source which monitors an Iceberg table for changes.

Method Summary

Modifier and Type	Method	Description
org.apache.flink.api.connector.source.SourceReader<TableChange,org.apache.iceberg.flink.maintenance.operator.SingleThreadedIteratorSource.GlobalSplit<TableChange>>	createReader(org.apache.flink.api.connector.source.SourceReaderContext readerContext)
org.apache.flink.api.connector.source.Boundedness	getBoundedness()
org.apache.flink.api.common.typeinfo.TypeInformation<TableChange>	getProducedType()

Methods inherited from class org.apache.iceberg.flink.maintenance.operator.SingleThreadedIteratorSource

createEnumerator, getEnumeratorCheckpointSerializer, getSplitSerializer, restoreEnumerator

Methods inherited from class java.lang.Object

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

Constructor Details

MonitorSource

public MonitorSource(TableLoader tableLoader,
 org.apache.flink.api.connector.source.util.ratelimit.RateLimiterStrategy rateLimiterStrategy,
 long maxReadBack)

Creates a Source which monitors an Iceberg table for changes.

Parameters:

tableLoader - used for accessing the table

rateLimiterStrategy - limits the frequency the table is checked

maxReadBack - sets the number of snapshots read before stopping change collection

Method Details

getBoundedness

public org.apache.flink.api.connector.source.Boundedness getBoundedness()

getProducedType

public org.apache.flink.api.common.typeinfo.TypeInformation<TableChange> getProducedType()

createReader

public org.apache.flink.api.connector.source.SourceReader<TableChange,org.apache.iceberg.flink.maintenance.operator.SingleThreadedIteratorSource.GlobalSplit<TableChange>> createReader(org.apache.flink.api.connector.source.SourceReaderContext readerContext)
                                                                                                                                                                                 throws Exception

Specified by:

createReader in interface org.apache.flink.api.connector.source.SourceReaderFactory<TableChange,org.apache.iceberg.flink.maintenance.operator.SingleThreadedIteratorSource.GlobalSplit<TableChange>>

Overrides:

createReader in class SingleThreadedIteratorSource<TableChange>

Throws:

Exception