Package io.debezium.pipeline.source.snapshot.incremental

Class SignalBasedIncrementalSnapshotChangeEventSource<P extends Partition,T extends DataCollectionId>

java.lang.Object

io.debezium.pipeline.source.snapshot.incremental.AbstractIncrementalSnapshotChangeEventSource<P,T>

io.debezium.pipeline.source.snapshot.incremental.SignalBasedIncrementalSnapshotChangeEventSource<P,T>

All Implemented Interfaces:

IncrementalSnapshotChangeEventSource<P,T>

@NotThreadSafe
public class SignalBasedIncrementalSnapshotChangeEventSource<P extends Partition,T extends DataCollectionId>
extends AbstractIncrementalSnapshotChangeEventSource<P,T>

Field Summary

Fields

Modifier and Type	Field	Description
private static final org.slf4j.Logger	LOGGER
private SignalMetadata	signalMetadata
private final String	signalWindowDeleteStatement
private final String	signalWindowStatement

Fields inherited from class io.debezium.pipeline.source.snapshot.incremental.AbstractIncrementalSnapshotChangeEventSource

chunkQueryBuilder, connectorConfig, context, dispatcher, jdbcConnection, notificationService, window

Constructor Summary

Constructors

Constructor	Description
SignalBasedIncrementalSnapshotChangeEventSource(RelationalDatabaseConnectorConfig config, JdbcConnection jdbcConnection, EventDispatcher<P,T> dispatcher, DatabaseSchema<?> databaseSchema, Clock clock, SnapshotProgressListener<P> progressListener, DataChangeEventListener<P> dataChangeEventListener, NotificationService<P,? extends OffsetContext> notificationService)

Method Summary

Modifier and Type	Method	Description
protected void	emitWindowClose(Partition partition, OffsetContext offsetContext)	Update high watermark for the incremental snapshot chunk
protected void	emitWindowOpen()	Update low watermark for the incremental snapshot chunk
private WatermarkWindowCloser	getWatermarkWindowCloser(CommonConnectorConfig connectorConfig, JdbcConnection jdbcConnection, String signalTable)
void	processMessage(Partition partition, DataCollectionId dataCollectionId, Object key, OffsetContext offsetContext)

Methods inherited from class io.debezium.pipeline.source.snapshot.incremental.AbstractIncrementalSnapshotChangeEventSource

addDataCollectionNamesToSnapshot, closeWindow, deduplicateWindow, getChangeRecordEmitter, getSignalTableName, init, pauseSnapshot, postIncrementalSnapshotCompleted, postReadChunk, preReadChunk, processSchemaChange, readChunk, refreshTableSchema, rereadChunk, resumeSnapshot, sendEvent, sendWindowEvents, setContext, stopSnapshot

Methods inherited from class java.lang.Object

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

Methods inherited from interface io.debezium.pipeline.source.snapshot.incremental.IncrementalSnapshotChangeEventSource

processFilteredEvent, processHeartbeat, processTransactionCommittedEvent, processTransactionStartedEvent

Field Details

LOGGER

private static final org.slf4j.Logger LOGGER

signalWindowStatement

private final String signalWindowStatement

signalWindowDeleteStatement

private final String signalWindowDeleteStatement

signalMetadata

private SignalMetadata signalMetadata

Constructor Details

SignalBasedIncrementalSnapshotChangeEventSource

public SignalBasedIncrementalSnapshotChangeEventSource(RelationalDatabaseConnectorConfig config,
 JdbcConnection jdbcConnection,
 EventDispatcher<P,T> dispatcher,
 DatabaseSchema<?> databaseSchema,
 Clock clock,
 SnapshotProgressListener<P> progressListener,
 DataChangeEventListener<P> dataChangeEventListener,
 NotificationService<P,? extends OffsetContext> notificationService)

Method Details

processMessage

public void processMessage(Partition partition,
 DataCollectionId dataCollectionId,
 Object key,
 OffsetContext offsetContext)

emitWindowOpen

protected void emitWindowOpen()
                       throws SQLException

Description copied from class: AbstractIncrementalSnapshotChangeEventSource

Update low watermark for the incremental snapshot chunk

Specified by:

emitWindowOpen in class AbstractIncrementalSnapshotChangeEventSource<P extends Partition,T extends DataCollectionId>

Throws:

SQLException

emitWindowClose

protected void emitWindowClose(Partition partition,
 OffsetContext offsetContext)
                        throws Exception

Description copied from class: AbstractIncrementalSnapshotChangeEventSource

Update high watermark for the incremental snapshot chunk

Specified by:

emitWindowClose in class AbstractIncrementalSnapshotChangeEventSource<P extends Partition,T extends DataCollectionId>

Throws:

Exception

getWatermarkWindowCloser

private WatermarkWindowCloser getWatermarkWindowCloser(CommonConnectorConfig connectorConfig,
 JdbcConnection jdbcConnection,
 String signalTable)