Package io.debezium.connector.oracle

Class OracleOffsetContext

java.lang.Object

io.debezium.connector.oracle.OracleOffsetContext

All Implemented Interfaces:

OffsetContext

public class OracleOffsetContext
extends Object
implements OffsetContext

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	OracleOffsetContext.Builder

Nested classes/interfaces inherited from interface io.debezium.pipeline.spi.OffsetContext

OffsetContext.Loader<O extends OffsetContext>

Field Summary

Fields

Modifier and Type	Field	Description
private final IncrementalSnapshotContext<TableId>	incrementalSnapshotContext
static final String	SNAPSHOT_COMPLETED_KEY
static final String	SNAPSHOT_PENDING_TRANSACTIONS_KEY
static final String	SNAPSHOT_SCN_KEY
private boolean	snapshotCompleted	Whether a snapshot has been completed or not.
private Map<String,Scn>	snapshotPendingTransactions	Map of (txid, start SCN) for all transactions in progress at the time the snapshot was taken.
private final Scn	snapshotScn	SCN that was used for the initial consistent snapshot.
private final SourceInfo	sourceInfo
private final org.apache.kafka.connect.data.Schema	sourceInfoSchema
private final TransactionContext	transactionContext

Constructor Summary

Constructors

Constructor	Description
OracleOffsetContext(OracleConnectorConfig connectorConfig, Scn scn, CommitScn commitScn, String lcrPosition, Scn snapshotScn, Map<String,Scn> snapshotPendingTransactions, boolean snapshot, boolean snapshotCompleted, TransactionContext transactionContext, IncrementalSnapshotContext<TableId> incrementalSnapshotContext)
OracleOffsetContext(OracleConnectorConfig connectorConfig, Scn scn, String lcrPosition, Scn snapshotScn, Map<String,Scn> snapshotPendingTransactions, boolean snapshot, boolean snapshotCompleted, TransactionContext transactionContext, IncrementalSnapshotContext<TableId> incrementalSnapshotContext)

Method Summary

Modifier and Type	Method	Description
static OracleOffsetContext.Builder	create()
void	event(DataCollectionId tableId, Instant timestamp)
CommitScn	getCommitScn()
Scn	getEventScn()
IncrementalSnapshotContext<?>	getIncrementalSnapshotContext()
String	getLcrPosition()
Map<String,?>	getOffset()
Integer	getRedoThread()
Scn	getScn()
static Scn	getScnFromOffsetMapByKey(Map<String,?> offset, String key)	Helper method to resolve a Scn by key from the offset map.
Map<String,Scn>	getSnapshotPendingTransactions()
Scn	getSnapshotScn()
org.apache.kafka.connect.data.Struct	getSourceInfo()
org.apache.kafka.connect.data.Schema	getSourceInfoSchema()
TransactionContext	getTransactionContext()
void	incrementalSnapshotEvents()
boolean	isSnapshotRunning()
static Map<String,Scn>	loadSnapshotPendingTransactions(Map<String,?> offset)	Helper method to read the in-progress transaction map from the offset map.
static Scn	loadSnapshotScn(Map<String,?> offset)	Helper method to read the snapshot SCN from the offset map.
void	markLastSnapshotRecord()
void	postSnapshotCompletion()
void	preSnapshotCompletion()
void	preSnapshotStart()
void	setEventScn(Scn eventScn)
void	setLcrPosition(String lcrPosition)
void	setRedoThread(Integer redoThread)
void	setRsId(String rsId)
void	setScn(Scn scn)
void	setSnapshotPendingTransactions(Map<String,Scn> snapshotPendingTransactions)
void	setSourceTime(Instant instant)
void	setSsn(int ssn)
void	setTableId(TableId tableId)
void	setTransactionId(String transactionId)
void	tableEvent(TableId tableId, Instant timestamp)
void	tableEvent(Set<TableId> tableIds, Instant timestamp)
String	toString()

Methods inherited from class java.lang.Object

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

Field Details

SNAPSHOT_COMPLETED_KEY

public static final String SNAPSHOT_COMPLETED_KEY

See Also:

• Constant Field Values

SNAPSHOT_PENDING_TRANSACTIONS_KEY

public static final String SNAPSHOT_PENDING_TRANSACTIONS_KEY

See Also:

• Constant Field Values

SNAPSHOT_SCN_KEY

public static final String SNAPSHOT_SCN_KEY

See Also:

• Constant Field Values

sourceInfoSchema

private final org.apache.kafka.connect.data.Schema sourceInfoSchema

sourceInfo

private final SourceInfo sourceInfo

transactionContext

private final TransactionContext transactionContext

incrementalSnapshotContext

private final IncrementalSnapshotContext<TableId> incrementalSnapshotContext

snapshotScn

private final Scn snapshotScn

SCN that was used for the initial consistent snapshot. We keep track of this field because it's a cutoff for emitting DDL statements, in case we start mining _before_ the snapshot SCN to cover transactions that were ongoing at the time the snapshot was taken.

snapshotPendingTransactions

private Map<String,Scn> snapshotPendingTransactions

Map of (txid, start SCN) for all transactions in progress at the time the snapshot was taken.

snapshotCompleted

private boolean snapshotCompleted

Whether a snapshot has been completed or not.

Constructor Details

OracleOffsetContext

public OracleOffsetContext(OracleConnectorConfig connectorConfig,
 Scn scn,
 CommitScn commitScn,
 String lcrPosition,
 Scn snapshotScn,
 Map<String,Scn> snapshotPendingTransactions,
 boolean snapshot,
 boolean snapshotCompleted,
 TransactionContext transactionContext,
 IncrementalSnapshotContext<TableId> incrementalSnapshotContext)

OracleOffsetContext

public OracleOffsetContext(OracleConnectorConfig connectorConfig,
 Scn scn,
 String lcrPosition,
 Scn snapshotScn,
 Map<String,Scn> snapshotPendingTransactions,
 boolean snapshot,
 boolean snapshotCompleted,
 TransactionContext transactionContext,
 IncrementalSnapshotContext<TableId> incrementalSnapshotContext)

Method Details

create

public static OracleOffsetContext.Builder create()

getOffset

public Map<String,?> getOffset()

Specified by:

getOffset in interface OffsetContext

getSourceInfoSchema

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

Specified by:

getSourceInfoSchema in interface OffsetContext

getSourceInfo

public org.apache.kafka.connect.data.Struct getSourceInfo()

Specified by:

getSourceInfo in interface OffsetContext

setScn

public void setScn(Scn scn)

setEventScn

public void setEventScn(Scn eventScn)

getScn

public Scn getScn()

getCommitScn

public CommitScn getCommitScn()

getEventScn

public Scn getEventScn()

setLcrPosition

public void setLcrPosition(String lcrPosition)

getLcrPosition

public String getLcrPosition()

getSnapshotScn

public Scn getSnapshotScn()

getSnapshotPendingTransactions

public Map<String,Scn> getSnapshotPendingTransactions()

setSnapshotPendingTransactions

public void setSnapshotPendingTransactions(Map<String,Scn> snapshotPendingTransactions)

setTransactionId

public void setTransactionId(String transactionId)

setSourceTime

public void setSourceTime(Instant instant)

setTableId

public void setTableId(TableId tableId)

getRedoThread

public Integer getRedoThread()

setRedoThread

public void setRedoThread(Integer redoThread)

setRsId

public void setRsId(String rsId)

setSsn

public void setSsn(int ssn)

isSnapshotRunning

public boolean isSnapshotRunning()

Specified by:

isSnapshotRunning in interface OffsetContext

preSnapshotStart

public void preSnapshotStart()

Specified by:

preSnapshotStart in interface OffsetContext

preSnapshotCompletion

public void preSnapshotCompletion()

Specified by:

preSnapshotCompletion in interface OffsetContext

postSnapshotCompletion

public void postSnapshotCompletion()

Specified by:

postSnapshotCompletion in interface OffsetContext

toString

public String toString()

Overrides:

toString in class Object

markLastSnapshotRecord

public void markLastSnapshotRecord()

Specified by:

markLastSnapshotRecord in interface OffsetContext

event

public void event(DataCollectionId tableId,
 Instant timestamp)

Specified by:

event in interface OffsetContext

tableEvent

public void tableEvent(TableId tableId,
 Instant timestamp)

tableEvent

public void tableEvent(Set<TableId> tableIds,
 Instant timestamp)

getTransactionContext

public TransactionContext getTransactionContext()

Specified by:

getTransactionContext in interface OffsetContext

incrementalSnapshotEvents

public void incrementalSnapshotEvents()

Specified by:

incrementalSnapshotEvents in interface OffsetContext

getIncrementalSnapshotContext

public IncrementalSnapshotContext<?> getIncrementalSnapshotContext()

Specified by:

getIncrementalSnapshotContext in interface OffsetContext

getScnFromOffsetMapByKey

public static Scn getScnFromOffsetMapByKey(Map<String,?> offset,
 String key)

Helper method to resolve a Scn by key from the offset map.

Parameters:

offset - the offset map

key - the entry key, either SourceInfo.SCN_KEY or SourceInfo.COMMIT_SCN_KEY.

Returns:

the Scn or null if not found

loadSnapshotPendingTransactions

public static Map<String,Scn> loadSnapshotPendingTransactions(Map<String,?> offset)

Helper method to read the in-progress transaction map from the offset map.

Parameters:

offset - the offset map

Returns:

the in-progress transaction map

loadSnapshotScn

public static Scn loadSnapshotScn(Map<String,?> offset)

Helper method to read the snapshot SCN from the offset map.

Parameters:

offset - the offset map

Returns:

the snapshot SCN