Uses of Class
io.debezium.connector.oracle.Scn

Packages that use Scn

Package	Description
io.debezium.connector.oracle
io.debezium.connector.oracle.logminer
io.debezium.connector.oracle.xstream

Uses of Scn in io.debezium.connector.oracle

Fields in io.debezium.connector.oracle declared as Scn

Modifier and Type	Field	Description
private Scn	SourceInfo.commitScn
static Scn	Scn.MAX	Represents an Scn that implies the maximum possible value of an SCN, useful as a placeholder.
static Scn	Scn.NULL	Represents an Scn without a value.
private Scn	OracleOffsetContext.Builder.scn
private Scn	SourceInfo.scn

Fields in io.debezium.connector.oracle with type parameters of type Scn

Modifier and Type	Field	Description
private AtomicReference<Scn>	OracleStreamingChangeEventSourceMetrics.committedScn
private AtomicReference<Scn>	OracleStreamingChangeEventSourceMetrics.currentScn
private AtomicReference<Scn>	OracleStreamingChangeEventSourceMetrics.offsetScn
private AtomicReference<Scn>	OracleStreamingChangeEventSourceMetrics.oldestScn

Methods in io.debezium.connector.oracle that return Scn

Modifier and Type	Method	Description
Scn	Scn.add(Scn value)	Returns a SCn whose value is (this + value).
Scn	OracleOffsetContext.getCommitScn()
Scn	SourceInfo.getCommitScn()
Scn	OracleConnection.getCurrentScn()	Get the current, most recent system change number.
private Scn	OracleSnapshotChangeEventSource.getCurrentScn(AbstractSnapshotChangeEventSource.SnapshotContext<OracleOffsetContext> ctx)
Scn	OracleConnection.getMaxArchiveLogScn(String archiveLogDestinationName)	Get the maximum system change number in the archive logs.
Scn	OracleOffsetContext.getScn()
Scn	SourceInfo.getScn()
static Scn	OracleOffsetContext.getScnFromOffsetMapByKey(Map<String,?> offset, String key)	Helper method to resolve a Scn by key from the offset map.
protected Scn	AbstractStreamingAdapter.resolveScn(Document document)
Scn	Scn.subtract(Scn value)	Returns a Scn whose value is (this - value).
static Scn	Scn.valueOf(int value)	Construct a Scn from an integer value.
static Scn	Scn.valueOf(long value)	Construct a Scn from a long value.
static Scn	Scn.valueOf(String value)	Construct a Scn from a string value.

Methods in io.debezium.connector.oracle that return types with arguments of type Scn

Modifier and Type	Method	Description
private Optional<Scn>	OracleSnapshotChangeEventSource.getLatestTableDdlScn(RelationalSnapshotChangeEventSource.RelationalSnapshotContext<OracleOffsetContext> ctx)	Returns the SCN of the latest DDL change to the captured tables.

Methods in io.debezium.connector.oracle with parameters of type Scn

Modifier and Type	Method	Description
Scn	Scn.add(Scn value)	Returns a SCn whose value is (this + value).
private boolean	OracleSnapshotChangeEventSource.areSameTimestamp(Scn scn1, Scn scn2)	Whether the two SCNs represent the same timestamp or not (resolution is only 3 seconds).
int	Scn.compareTo(Scn o)	Compares this Scn with the specified Scn.
OracleOffsetContext.Builder	OracleOffsetContext.Builder.scn(Scn scn)
void	OracleOffsetContext.setCommitScn(Scn commitScn)
void	SourceInfo.setCommitScn(Scn commitScn)
void	OracleStreamingChangeEventSourceMetrics.setCommittedScn(Scn scn)
void	OracleStreamingChangeEventSourceMetrics.setCurrentScn(Scn scn)
void	OracleStreamingChangeEventSourceMetrics.setOffsetScn(Scn scn)
void	OracleStreamingChangeEventSourceMetrics.setOldestScn(Scn scn)
void	OracleOffsetContext.setScn(Scn scn)
void	SourceInfo.setScn(Scn scn)
Scn	Scn.subtract(Scn value)	Returns a Scn whose value is (this - value).

Constructors in io.debezium.connector.oracle with parameters of type Scn

Constructor	Description
OracleOffsetContext(OracleConnectorConfig connectorConfig, Scn scn, Scn commitScn, String lcrPosition, boolean snapshot, boolean snapshotCompleted, TransactionContext transactionContext)
OracleOffsetContext(OracleConnectorConfig connectorConfig, Scn scn, String lcrPosition, boolean snapshot, boolean snapshotCompleted, TransactionContext transactionContext)

Uses of Scn in io.debezium.connector.oracle.logminer

Fields in io.debezium.connector.oracle.logminer declared as Scn

Modifier and Type	Field	Description
private Scn	TransactionalBuffer.RecentlyCommittedTransaction.commitScn
private Scn	LogMinerQueryResultProcessor.currentOffsetCommitScn
private Scn	LogMinerQueryResultProcessor.currentOffsetScn
private Scn	LogMinerStreamingChangeEventSource.endScn
private Scn	LogFile.firstScn
private Scn	TransactionalBuffer.RecentlyCommittedTransaction.firstScn
private Scn	TransactionalBuffer.Transaction.firstScn
private Scn	TransactionalBuffer.lastCommittedScn
private Scn	LogMinerQueryResultProcessor.lastProcessedScn
private Scn	TransactionalBuffer.Transaction.lastScn
private Scn	TransactionalBuffer.maxCommittedScn
private Scn	LogFile.nextScn
private Scn	TransactionalBuffer.LogMinerEvent.scn
private Scn	LogMinerStreamingChangeEventSource.startScn

Fields in io.debezium.connector.oracle.logminer with type parameters of type Scn

Modifier and Type	Field	Description
private Set<Scn>	TransactionalBuffer.recentlyEmittedDdls

Methods in io.debezium.connector.oracle.logminer that return Scn

Modifier and Type	Method	Description
private Scn	TransactionalBuffer.calculateSmallestScn()
Scn	TransactionalBuffer.RecentlyCommittedTransaction.getCommitScn()
(package private) static Scn	LogMinerHelper.getEndScn(OracleConnection connection, Scn startScn, Scn prevEndScn, OracleStreamingChangeEventSourceMetrics streamingMetrics, int defaultBatchSize, boolean lobEnabled, boolean archiveLogOnlyMode, String archiveLogDestinationName)	This method returns next SCN for mining and also updates streaming metrics.
(package private) static Scn	LogMinerHelper.getFirstOnlineLogScn(OracleConnection connection, Duration archiveLogRetention, String archiveDestinationName)	This method fetches the oldest SCN from online redo log files
Scn	LogFile.getFirstScn()
Scn	TransactionalBuffer.RecentlyCommittedTransaction.getFirstScn()
(package private) Scn	LogMinerQueryResultProcessor.getLastProcessedScn()
(package private) Scn	TransactionalBuffer.getMinimumScn()
Scn	LogFile.getNextScn()
static Scn	RowMapper.getScn(ResultSet rs)
Scn	TransactionalBuffer.LogMinerEvent.getScn()
private static Scn	LogMinerHelper.getScnFromString(String value)
(package private) Scn	TransactionalBuffer.updateOffsetContext(OracleOffsetContext offsetContext, EventDispatcher<TableId> dispatcher)	Update the offset context based on the current state of the transaction buffer.

Methods in io.debezium.connector.oracle.logminer that return types with arguments of type Scn

Modifier and Type	Method	Description
static Optional<Scn>	LogMinerHelper.getLastScnToAbandon(OracleConnection connection, Scn offsetScn, Duration transactionRetention)	This method calculates SCN as a watermark to abandon long lasting transactions.

Methods in io.debezium.connector.oracle.logminer with parameters of type Scn

Modifier and Type	Method	Description
(package private) void	TransactionalBuffer.abandonLongTransactions(Scn thresholdScn, OracleOffsetContext offsetContext)	If for some reason the connector got restarted, the offset will point to the beginning of the oldest captured transaction.
static String	SqlUtils.allMinableLogsQuery(Scn scn, Duration archiveLogRetention, boolean archiveLogOnlyMode, String archiveDestinationName)	Obtain a query to fetch all available minable logs, both archive and online redo logs.
(package private) boolean	TransactionalBuffer.commit(String transactionId, Scn scn, OracleOffsetContext offsetContext, Timestamp timestamp, ChangeEventSource.ChangeEventSourceContext context, String debugMessage, EventDispatcher<TableId> dispatcher)	Commits a transaction by looking up the transaction in the buffer and if exists, all registered callbacks will be executed in chronological order, emitting events for each followed by a transaction commit event.
static String	SqlUtils.diffInDaysQuery(Scn scn)	This method return query which converts given SCN in days and deduct from the current day
private static void	LogMinerHelper.flushRacLogWriters(Scn currentScn, JdbcConfiguration config, Set<String> racHosts)	Oracle RAC has one LogWriter per node (instance), we have to flush them all We cannot use a query like from gv_instance view to get all the nodes, because not all nodes could be load balanced.
(package private) static Scn	LogMinerHelper.getEndScn(OracleConnection connection, Scn startScn, Scn prevEndScn, OracleStreamingChangeEventSourceMetrics streamingMetrics, int defaultBatchSize, boolean lobEnabled, boolean archiveLogOnlyMode, String archiveLogDestinationName)	This method returns next SCN for mining and also updates streaming metrics.
static Optional<Scn>	LogMinerHelper.getLastScnToAbandon(OracleConnection connection, Scn offsetScn, Duration transactionRetention)	This method calculates SCN as a watermark to abandon long lasting transactions.
static List<LogFile>	LogMinerHelper.getLogFilesForOffsetScn(OracleConnection connection, Scn offsetScn, Duration archiveLogRetention, boolean archiveLogOnlyMode, String archiveDestinationName)	Get all log files that should be mined.
static String	RowMapper.getSqlRedo(ResultSet rs, boolean isDml, HistoryRecorder historyRecorder, Scn scn, String tableName, String segOwner, int operationCode, Timestamp changeTime, String txId)	It constructs REDO_SQL.
private void	LogMinerStreamingChangeEventSource.initializeRedoLogsForMining(OracleConnection connection, boolean postEndMiningSession, Scn startScn)
(package private) boolean	TransactionalBuffer.isDdlOperationRegistered(Scn scn)	Returns whether the ddl operation has been registered.
private boolean	LogMinerStreamingChangeEventSource.isStartScnInArchiveLogs(Scn startScn)	Returns whether the starting system change number is in the archive logs.
void	HistoryRecorder.record(Scn scn, String tableName, String segOwner, int operationCode, Timestamp changeTime, String transactionId, int csf, String redoSql)	Records the LogMiner entry.
void	NeverHistoryRecorder.record(Scn scn, String tableName, String segOwner, int operationCode, Timestamp changeTime, String transactionId, int csf, String redoSql)
(package private) void	TransactionalBuffer.registerDdlOperation(Scn scn)	Registers a DDL operation with the buffer.
(package private) void	TransactionalBuffer.registerDmlOperation(int operation, String transactionId, Scn scn, TableId tableId, Supplier<LogMinerDmlEntry> entrySupplier, Instant changeTime, String rowId, Object rsId)	Register a DML operation with the transaction buffer.
private boolean	TransactionalBuffer.registerEvent(String transactionId, Scn scn, Instant changeTime, Supplier<TransactionalBuffer.LogMinerEvent> supplier)	Helper method to register a given TransactionalBuffer.LogMinerEvent implementation with the buffer.
(package private) void	TransactionalBuffer.registerLobEraseOperation(int operation, String transactionId, Scn scn, TableId tableId, Instant changeTime, String rowId, Object rsId)	Register a LOB_ERASE operation with the transction buffer.
(package private) void	TransactionalBuffer.registerLobWriteOperation(int operation, String transactionId, Scn scn, TableId tableId, String data, Instant changeTime, String rowId, Object rsId)	Register a LOB_WRITE operation with the transaction buffer.
(package private) void	TransactionalBuffer.registerSelectLobOperation(int operation, String transactionId, Scn scn, TableId tableId, Instant changeTime, String rowId, Object rsId, String segOwner, String tableName, String redoSql, Table table, SelectLobParser selectLobParser)	Register a SEL_LOB_LOCATOR operation with the transaction buffer.
(package private) void	TransactionalBuffer.registerTransaction(String transactionId, Scn scn)	Register a new transaction with the transaction buffer.
static void	LogMinerHelper.setLogFilesForMining(OracleConnection connection, Scn lastProcessedScn, Duration archiveLogRetention, boolean archiveLogOnlyMode, String archiveDestinationName)	This method substitutes CONTINUOUS_MINE functionality
(package private) static String	SqlUtils.startLogMinerStatement(Scn startScn, Scn endScn, OracleConnectorConfig.LogMiningStrategy strategy, boolean isContinuousMining)	This returns statement to build LogMiner view for online redo log files
(package private) static void	LogMinerHelper.startLogMining(OracleConnection connection, Scn startScn, Scn endScn, OracleConnectorConfig.LogMiningStrategy strategy, boolean isContinuousMining, OracleStreamingChangeEventSourceMetrics streamingMetrics)	This method builds mining view to query changes from.
private boolean	LogMinerStreamingChangeEventSource.waitForStartScnInArchiveLogs(ChangeEventSource.ChangeEventSourceContext context, Scn startScn)	Waits for the starting system change number to exist in the archive logs before returning.

Constructors in io.debezium.connector.oracle.logminer with parameters of type Scn

Constructor	Description
DmlEvent(int operation, LogMinerDmlEntry entry, Scn scn, TableId tableId, String rowId, Object rsId)
LobEraseEvent(int operation, Scn scn, TableId tableId, String rowId, Object rsId)
LobWriteEvent(int operation, String data, Scn scn, TableId tableId, String rowId, Object rsId)
LogFile(String fileName, Scn firstScn, Scn nextScn, Long sequence, LogFile.Type type)	Create a log file that represents an archived log record.
LogFile(String fileName, Scn firstScn, Scn nextScn, Long sequence, LogFile.Type type, boolean current)	Creates a log file that represents an online redo log record.
LogMinerEvent(int operation, LogMinerDmlEntry entry, Scn scn, TableId tableId, String rowId, Object rsId)
RecentlyCommittedTransaction(TransactionalBuffer.Transaction transaction, Scn commitScn)
SelectLobLocatorEvent(int operation, LogMinerDmlEntry entry, String columnName, boolean binaryData, Scn scn, TableId tableId, String rowId, Object rsId)
Transaction(String transactionId, Scn firstScn)

Uses of Scn in io.debezium.connector.oracle.xstream

Fields in io.debezium.connector.oracle.xstream declared as Scn

Modifier and Type	Field	Description
private Scn	LcrPosition.scn

Methods in io.debezium.connector.oracle.xstream that return Scn

Modifier and Type	Method	Description
Scn	LcrPosition.getScn()

Methods in io.debezium.connector.oracle.xstream with parameters of type Scn

Modifier and Type	Method	Description
private byte[]	XstreamStreamingChangeEventSource.convertScnToPosition(Scn scn)
private void	XstreamStreamingChangeEventSource.sendPublishedPosition(LcrPosition lcrPosition, Scn scn)