Package io.debezium.connector.mongodb

Class MongoDbOffsetContext

java.lang.Object

io.debezium.pipeline.CommonOffsetContext<SourceInfo>

io.debezium.connector.mongodb.MongoDbOffsetContext

All Implemented Interfaces:

OffsetContext

public class MongoDbOffsetContext
extends CommonOffsetContext<SourceInfo>

A context that facilitates the management of the current offsets across a set of mongodb replica sets.

Author:

Chris Cranford

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	MongoDbOffsetContext.Loader

Field Summary

Fields

Modifier and Type	Field	Description
private final IncrementalSnapshotContext<CollectionId>	incrementalSnapshotContext
private static final org.slf4j.Logger	LOGGER
private final TransactionContext	transactionContext

Fields inherited from class io.debezium.pipeline.CommonOffsetContext

sourceInfo

Constructor Summary

Constructors

Constructor	Description
MongoDbOffsetContext(SourceInfo sourceInfo, TransactionContext transactionContext, IncrementalSnapshotContext<CollectionId> incrementalSnapshotContext)

Method Summary

Modifier and Type	Method	Description
private Map<String,Object>	addResumeTokenToOffset(SourceInfo.Position position, Map<String,Object> offset)
private Map<String,Object>	addSessionTxnIdToOffset(SourceInfo.Position position, Map<String,Object> offset)
void	changeStreamEvent(com.mongodb.client.model.changestream.ChangeStreamDocument<org.bson.BsonDocument> changeStreamEvent)
static MongoDbOffsetContext	empty(MongoDbConnectorConfig connectorConfig)
void	event(io.debezium.spi.schema.DataCollectionId collectionId, Instant timestamp)
IncrementalSnapshotContext<?>	getIncrementalSnapshotContext()
Map<String,?>	getOffset()
org.apache.kafka.connect.data.Schema	getSourceInfoSchema()
TransactionContext	getTransactionContext()
boolean	hasOffset()
void	initEvent(com.mongodb.client.MongoChangeStreamCursor<com.mongodb.client.model.changestream.ChangeStreamDocument<org.bson.BsonDocument>> cursor)
void	initFromOpTimeIfNeeded(org.bson.BsonTimestamp timestamp)
private static int	intOffsetValue(Map<String,?> values, String key)
boolean	isSnapshotRunning()
String	lastResumeToken()
org.bson.BsonDocument	lastResumeTokenDoc()
org.bson.BsonTimestamp	lastTimestamp()
org.bson.BsonTimestamp	lastTimestampOrTokenTime()
void	noEvent(BufferingChangeStreamCursor.ResumableChangeStreamEvent<org.bson.BsonDocument> event)
void	preSnapshotCompletion()
void	preSnapshotStart()
void	readEvent(CollectionId collectionId, Instant timestamp)
SourceInfo	sourceInfo()
(package private) void	startInitialSnapshot()
(package private) void	stopInitialSnapshot()
String	toString()

Methods inherited from class io.debezium.pipeline.CommonOffsetContext

getSourceInfo, incrementalSnapshotEvents, markSnapshotRecord, postSnapshotCompletion

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

transactionContext

private final TransactionContext transactionContext

incrementalSnapshotContext

private final IncrementalSnapshotContext<CollectionId> incrementalSnapshotContext

Constructor Details

MongoDbOffsetContext

public MongoDbOffsetContext(SourceInfo sourceInfo,
 TransactionContext transactionContext,
 IncrementalSnapshotContext<CollectionId> incrementalSnapshotContext)

Method Details

startInitialSnapshot

void startInitialSnapshot()

stopInitialSnapshot

void stopInitialSnapshot()

getOffset

public Map<String,?> getOffset()

addSessionTxnIdToOffset

private Map<String,Object> addSessionTxnIdToOffset(SourceInfo.Position position,
 Map<String,Object> offset)

addResumeTokenToOffset

private Map<String,Object> addResumeTokenToOffset(SourceInfo.Position position,
 Map<String,Object> offset)

getSourceInfoSchema

public org.apache.kafka.connect.data.Schema getSourceInfoSchema()

isSnapshotRunning

public boolean isSnapshotRunning()

preSnapshotStart

public void preSnapshotStart()

preSnapshotCompletion

public void preSnapshotCompletion()

getTransactionContext

public TransactionContext getTransactionContext()

getIncrementalSnapshotContext

public IncrementalSnapshotContext<?> getIncrementalSnapshotContext()

sourceInfo

public SourceInfo sourceInfo()

event

public void event(io.debezium.spi.schema.DataCollectionId collectionId,
 Instant timestamp)

readEvent

public void readEvent(CollectionId collectionId,
 Instant timestamp)

initEvent

public void initEvent(com.mongodb.client.MongoChangeStreamCursor<com.mongodb.client.model.changestream.ChangeStreamDocument<org.bson.BsonDocument>> cursor)

initFromOpTimeIfNeeded

public void initFromOpTimeIfNeeded(org.bson.BsonTimestamp timestamp)

noEvent

public void noEvent(BufferingChangeStreamCursor.ResumableChangeStreamEvent<org.bson.BsonDocument> event)

changeStreamEvent

public void changeStreamEvent(com.mongodb.client.model.changestream.ChangeStreamDocument<org.bson.BsonDocument> changeStreamEvent)

lastResumeToken

public String lastResumeToken()

lastResumeTokenDoc

public org.bson.BsonDocument lastResumeTokenDoc()

lastTimestamp

public org.bson.BsonTimestamp lastTimestamp()

lastTimestampOrTokenTime

public org.bson.BsonTimestamp lastTimestampOrTokenTime()

hasOffset

public boolean hasOffset()

intOffsetValue

private static int intOffsetValue(Map<String,?> values,
 String key)

empty

public static MongoDbOffsetContext empty(MongoDbConnectorConfig connectorConfig)

toString

public String toString()

Overrides:

toString in class Object