Package io.debezium.connector.mysql

Class MySqlReadOnlyIncrementalSnapshotContext<T>

java.lang.Object

io.debezium.pipeline.source.snapshot.incremental.AbstractIncrementalSnapshotContext<T>

io.debezium.connector.mysql.MySqlReadOnlyIncrementalSnapshotContext<T>

All Implemented Interfaces:

IncrementalSnapshotContext<T>

@NotThreadSafe
public class MySqlReadOnlyIncrementalSnapshotContext<T>
extends AbstractIncrementalSnapshotContext<T>

Field Summary

Fields

Modifier and Type	Field	Description
private final Queue<ExecuteSnapshotKafkaSignal>	executeSnapshotSignals
private GtidSet	highWatermark
private static final org.slf4j.Logger	LOGGER
private GtidSet	lowWatermark
private GtidSet	previousHighWatermark
private GtidSet	previousLowWatermark
static final String	SIGNAL_OFFSET
private Long	signalOffset

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

DATA_COLLECTIONS_TO_SNAPSHOT_KEY, EVENT_PRIMARY_KEY, INCREMENTAL_SNAPSHOT_KEY, TABLE_MAXIMUM_KEY, windowOpened

Constructor Summary

Constructors

Constructor	Description
MySqlReadOnlyIncrementalSnapshotContext()
MySqlReadOnlyIncrementalSnapshotContext(boolean useCatalogBeforeSchema)

Method Summary

Modifier and Type	Method	Description
void	closeWindow()
void	enqueueDataCollectionsToSnapshot(List<String> dataCollectionIds, long signalOffset)
String	getCurrentGtid(OffsetContext offsetContext)
ExecuteSnapshotKafkaSignal	getExecuteSnapshotSignals()
Long	getSignalOffset()
private GtidSet.UUIDSet	getUuidSet(String serverId)
boolean	hasExecuteSnapshotSignals()
protected static <U> IncrementalSnapshotContext<U>	init(MySqlReadOnlyIncrementalSnapshotContext<U> context, Map<String,?> offsets)
static <U> MySqlReadOnlyIncrementalSnapshotContext<U>	load(Map<String,?> offsets)
static <U> MySqlReadOnlyIncrementalSnapshotContext<U>	load(Map<String,?> offsets, boolean useCatalogBeforeSchema)
boolean	reachedHighWatermark(String currentGtid)
boolean	serverUuidChanged()
void	setHighWatermark(GtidSet highWatermark)
void	setLowWatermark(GtidSet lowWatermark)
void	setSignalOffset(Long signalOffset)
Map<String,Object>	store(Map<String,Object> offset)
boolean	updateWindowState(OffsetContext offsetContext)
boolean	watermarksChanged()

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

addDataCollectionNamesToSnapshot, chunkEndPosititon, closeWindow, currentChunkId, currentDataCollectionId, dataCollectionsToBeSnapshottedCount, deduplicationNeeded, getSchema, init, isNonInitialChunk, isSchemaVerificationPassed, maximumKey, maximumKey, nextChunkPosition, nextDataCollection, openWindow, revertChunk, sendEvent, setSchema, setSchemaVerificationPassed, snapshotRunning, startNewChunk, toString

Methods inherited from class java.lang.Object

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

Field Details

LOGGER

private static final org.slf4j.Logger LOGGER

previousLowWatermark

private GtidSet previousLowWatermark

previousHighWatermark

private GtidSet previousHighWatermark

lowWatermark

private GtidSet lowWatermark

highWatermark

private GtidSet highWatermark

signalOffset

private Long signalOffset

executeSnapshotSignals

private final Queue<ExecuteSnapshotKafkaSignal> executeSnapshotSignals

SIGNAL_OFFSET

public static final String SIGNAL_OFFSET

See Also:

• Constant Field Values

Constructor Details

MySqlReadOnlyIncrementalSnapshotContext

public MySqlReadOnlyIncrementalSnapshotContext()

MySqlReadOnlyIncrementalSnapshotContext

public MySqlReadOnlyIncrementalSnapshotContext(boolean useCatalogBeforeSchema)

Method Details

init

protected static <U> IncrementalSnapshotContext<U> init(MySqlReadOnlyIncrementalSnapshotContext<U> context,
 Map<String,?> offsets)

load

public static <U>
MySqlReadOnlyIncrementalSnapshotContext<U> load(Map<String,?> offsets)

load

public static <U>
MySqlReadOnlyIncrementalSnapshotContext<U> load(Map<String,?> offsets,
 boolean useCatalogBeforeSchema)

setLowWatermark

public void setLowWatermark(GtidSet lowWatermark)

setHighWatermark

public void setHighWatermark(GtidSet highWatermark)

updateWindowState

public boolean updateWindowState(OffsetContext offsetContext)

reachedHighWatermark

public boolean reachedHighWatermark(String currentGtid)

getCurrentGtid

public String getCurrentGtid(OffsetContext offsetContext)

closeWindow

public void closeWindow()

getUuidSet

private GtidSet.UUIDSet getUuidSet(String serverId)

serverUuidChanged

public boolean serverUuidChanged()

getSignalOffset

public Long getSignalOffset()

setSignalOffset

public void setSignalOffset(Long signalOffset)

store

public Map<String,Object> store(Map<String,Object> offset)

Specified by:

store in interface IncrementalSnapshotContext<T>

Overrides:

store in class AbstractIncrementalSnapshotContext<T>

enqueueDataCollectionsToSnapshot

public void enqueueDataCollectionsToSnapshot(List<String> dataCollectionIds,
 long signalOffset)

getExecuteSnapshotSignals

public ExecuteSnapshotKafkaSignal getExecuteSnapshotSignals()

hasExecuteSnapshotSignals

public boolean hasExecuteSnapshotSignals()

watermarksChanged

public boolean watermarksChanged()