Package io.debezium.connector.binlog

Class BinlogReadOnlyIncrementalSnapshotChangeEventSource<P extends BinlogPartition,O extends BinlogOffsetContext>

java.lang.Object

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

io.debezium.connector.binlog.BinlogReadOnlyIncrementalSnapshotChangeEventSource<P,O>

All Implemented Interfaces:

IncrementalSnapshotChangeEventSource<P,TableId>

public abstract class BinlogReadOnlyIncrementalSnapshotChangeEventSource<P extends BinlogPartition,O extends BinlogOffsetContext>
extends AbstractIncrementalSnapshotChangeEventSource<P,TableId>

Author:

Chris Cranford

Field Summary

Fields

Modifier and Type	Field	Description
private final GtidSetFactory	gtidSetFactory
private static final org.slf4j.Logger	LOGGER
private static final String	SHOW_MASTER_STMT

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

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

Constructor Summary

Constructors

Constructor	Description
BinlogReadOnlyIncrementalSnapshotChangeEventSource(BinlogConnectorConfig connectorConfig, JdbcConnection jdbcConnection, EventDispatcher<P,TableId> dispatcher, DatabaseSchema<?> databaseSchema, Clock clock, SnapshotProgressListener<P> progressListener, DataChangeEventListener<P> dataChangeEventListener, NotificationService<P,O> notificationService)

Method Summary

Modifier and Type	Method	Description
void	addDataCollectionNamesToSnapshot(SignalPayload<P> signalPayload, SnapshotConfiguration snapshotConfiguration)
protected void	emitWindowClose(P partition, OffsetContext offsetContext)
protected void	emitWindowOpen()
private BinlogReadOnlyIncrementalSnapshotContext<TableId>	getContext()
protected abstract void	getExecutedGtidSet(Consumer<GtidSet> watermark)
void	processFilteredEvent(P partition, OffsetContext offsetContext)
void	processHeartbeat(P partition, OffsetContext offsetContext)
void	processMessage(P partition, io.debezium.spi.schema.DataCollectionId dataCollectionId, Object key, OffsetContext offsetContext)
void	processTransactionCommittedEvent(P partition, OffsetContext offsetContext)
void	processTransactionStartedEvent(P partition, OffsetContext offsetContext)
private void	readUntilGtidChange(P partition, OffsetContext offsetContext)
protected void	sendEvent(P partition, EventDispatcher<P,TableId> dispatcher, OffsetContext offsetContext, Object[] row)
void	stopSnapshot(P partition, OffsetContext offsetContext, Map<String,Object> additionalData, List<String> dataCollectionIds)
private void	updateHighWatermark()
private void	updateLowWatermark()

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

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

Methods inherited from class java.lang.Object

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

Field Details

LOGGER

private static final org.slf4j.Logger LOGGER

SHOW_MASTER_STMT

private static final String SHOW_MASTER_STMT

See Also:

• Constant Field Values

gtidSetFactory

private final GtidSetFactory gtidSetFactory

Constructor Details

BinlogReadOnlyIncrementalSnapshotChangeEventSource

public BinlogReadOnlyIncrementalSnapshotChangeEventSource(BinlogConnectorConfig connectorConfig,
 JdbcConnection jdbcConnection,
 EventDispatcher<P,TableId> dispatcher,
 DatabaseSchema<?> databaseSchema,
 Clock clock,
 SnapshotProgressListener<P> progressListener,
 DataChangeEventListener<P> dataChangeEventListener,
 NotificationService<P,O> notificationService)

Method Details

processMessage

public void processMessage(P partition,
 io.debezium.spi.schema.DataCollectionId dataCollectionId,
 Object key,
 OffsetContext offsetContext)
                    throws InterruptedException

Throws:

InterruptedException

processHeartbeat

public void processHeartbeat(P partition,
 OffsetContext offsetContext)
                      throws InterruptedException

Throws:

InterruptedException

processFilteredEvent

public void processFilteredEvent(P partition,
 OffsetContext offsetContext)
                          throws InterruptedException

Throws:

InterruptedException

processTransactionStartedEvent

public void processTransactionStartedEvent(P partition,
 OffsetContext offsetContext)
                                    throws InterruptedException

Throws:

InterruptedException

processTransactionCommittedEvent

public void processTransactionCommittedEvent(P partition,
 OffsetContext offsetContext)
                                      throws InterruptedException

Throws:

InterruptedException

emitWindowOpen

protected void emitWindowOpen()

Specified by:

emitWindowOpen in class AbstractIncrementalSnapshotChangeEventSource<P extends BinlogPartition,TableId>

emitWindowClose

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

Specified by:

emitWindowClose in class AbstractIncrementalSnapshotChangeEventSource<P extends BinlogPartition,TableId>

Throws:

Exception

sendEvent

protected void sendEvent(P partition,
 EventDispatcher<P,TableId> dispatcher,
 OffsetContext offsetContext,
 Object[] row)
                  throws InterruptedException

Overrides:

sendEvent in class AbstractIncrementalSnapshotChangeEventSource<P extends BinlogPartition,TableId>

Throws:

InterruptedException

addDataCollectionNamesToSnapshot

public void addDataCollectionNamesToSnapshot(SignalPayload<P> signalPayload,
 SnapshotConfiguration snapshotConfiguration)
                                      throws InterruptedException

Specified by:

addDataCollectionNamesToSnapshot in interface IncrementalSnapshotChangeEventSource<P extends BinlogPartition,O extends BinlogOffsetContext>

Overrides:

addDataCollectionNamesToSnapshot in class AbstractIncrementalSnapshotChangeEventSource<P extends BinlogPartition,TableId>

Throws:

InterruptedException

stopSnapshot

public void stopSnapshot(P partition,
 OffsetContext offsetContext,
 Map<String,Object> additionalData,
 List<String> dataCollectionIds)

Specified by:

stopSnapshot in interface IncrementalSnapshotChangeEventSource<P extends BinlogPartition,O extends BinlogOffsetContext>

Overrides:

stopSnapshot in class AbstractIncrementalSnapshotChangeEventSource<P extends BinlogPartition,TableId>

getContext

private BinlogReadOnlyIncrementalSnapshotContext<TableId> getContext()

readUntilGtidChange

private void readUntilGtidChange(P partition,
 OffsetContext offsetContext)
                          throws InterruptedException

Throws:

InterruptedException

updateLowWatermark

private void updateLowWatermark()

updateHighWatermark

private void updateHighWatermark()

getExecutedGtidSet

protected abstract void getExecutedGtidSet(Consumer<GtidSet> watermark)