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.logminer.valueholder
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 and 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	SourceInfo.scn
private Scn	OracleOffsetContext.Builder.scn

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

Modifier and Type	Field and 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 and Description
Scn	Scn.add(Scn value) Returns a SCn whose value is (this + value).
Scn	SourceInfo.getCommitScn()
Scn	OracleOffsetContext.getCommitScn()
private Scn	OracleSnapshotChangeEventSource.getCurrentScn(AbstractSnapshotChangeEventSource.SnapshotContext ctx)
Scn	SourceInfo.getScn()
Scn	OracleOffsetContext.getScn()
static Scn	OracleOffsetContext.Loader.getScnFromOffset(Map<String,?> offset, LcrPosition lcrPosition)
static Scn	OracleOffsetContext.getScnFromOffsetMapByKey(Map<String,?> offset, String key) Helper method to resolve a Scn by key from the offset map.
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 and Description
private Optional<Scn>	OracleSnapshotChangeEventSource.getLatestTableDdlScn(RelationalSnapshotChangeEventSource.RelationalSnapshotContext 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 and 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	SourceInfo.setCommitScn(Scn commitScn)
void	OracleOffsetContext.setCommitScn(Scn commitScn)
void	OracleStreamingChangeEventSourceMetrics.setCommittedScn(Scn scn)
void	OracleStreamingChangeEventSourceMetrics.setCurrentScn(Scn scn)
void	OracleStreamingChangeEventSourceMetrics.setOffsetScn(Scn scn)
void	OracleStreamingChangeEventSourceMetrics.setOldestScn(Scn scn)
void	SourceInfo.setScn(Scn scn)
void	OracleOffsetContext.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 and Description
OracleOffsetContext(OracleConnectorConfig connectorConfig, Scn scn, LcrPosition lcrPosition, boolean snapshot, boolean snapshotCompleted, TransactionContext transactionContext)
OracleOffsetContext(OracleConnectorConfig connectorConfig, Scn scn, Scn commitScn, LcrPosition 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 and Description
private Scn	LogMinerQueryResultProcessor.currentOffsetCommitScn
private Scn	LogMinerQueryResultProcessor.currentOffsetScn
private Scn	LogMinerStreamingChangeEventSource.endScn
private Scn	TransactionalBuffer.Transaction.firstScn
private Scn	LogFile.firstScn
private Scn	TransactionalBuffer.lastCommittedScn
private Scn	TransactionalBuffer.Transaction.lastScn
private Scn	LogFile.nextScn
private Scn	TransactionalBuffer.DmlEvent.scn
private Scn	LogMinerStreamingChangeEventSource.startScn

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

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

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

Modifier and Type	Method and Description
private Scn	TransactionalBuffer.calculateSmallestScn()
static Scn	LogMinerHelper.getCurrentScn(OracleConnection connection) This method returns current SCN from the database
(package private) static Scn	LogMinerHelper.getEndScn(OracleConnection connection, Scn startScn, OracleStreamingChangeEventSourceMetrics streamingMetrics, int defaultBatchSize) This method returns next SCN for mining and also updates streaming metrics.
(package private) static Scn	LogMinerHelper.getFirstOnlineLogScn(OracleConnection connection, Duration archiveLogRetention) This method fetches the oldest SCN from online redo log files
Scn	LogFile.getFirstScn()
Scn	LogFile.getNextScn()
Scn	TransactionalBuffer.DmlEvent.getScn()
static Scn	RowMapper.getScn(ResultSet rs)
private static Scn	LogMinerHelper.getScnFromString(String value)

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

Modifier and Type	Method and 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 and 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.archiveLogsQuery(Scn scn, Duration archiveLogRetention) Obtain the query to be used to fetch archive logs.
private void	TransactionalBuffer.commit(ChangeEventSource.ChangeEventSourceContext context, OracleOffsetContext offsetContext, Instant start, TransactionalBuffer.Transaction transaction, Timestamp timestamp, Scn smallestScn, Scn scn, EventDispatcher<TableId> dispatcher)
(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.
static List<LogFile>	LogMinerHelper.getArchivedLogFilesForOffsetScn(OracleConnection connection, Scn offsetScn, Duration archiveLogRetention) This method returns all archived log files for one day, containing given offset scn
(package private) static Scn	LogMinerHelper.getEndScn(OracleConnection connection, Scn startScn, OracleStreamingChangeEventSourceMetrics streamingMetrics, int defaultBatchSize) 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.getOnlineLogFilesForOffsetScn(OracleConnection connection, Scn offsetScn) This method returns all online log files, starting from one which contains offset SCN and ending with one containing largest SCN 18446744073709551615 on Ora 19c is the max value of the nextScn in the current redo
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.
void	NeverHistoryRecorder.record(Scn scn, String tableName, String segOwner, int operationCode, Timestamp changeTime, String transactionId, int csf, String redoSql)
void	HistoryRecorder.record(Scn scn, String tableName, String segOwner, int operationCode, Timestamp changeTime, String transactionId, int csf, String redoSql) Records the LogMiner entry.
(package private) void	TransactionalBuffer.registerDmlOperation(int operation, String transactionId, Scn scn, TableId tableId, LogMinerDmlEntry parseEntry, Instant changeTime, String rowId) Register a DML operation with the transaction buffer.
void	TransactionalBufferMetrics.setCommittedScn(Scn scn)
void	TransactionalBufferMetrics.setOffsetScn(Scn scn)
(package private) void	TransactionalBufferMetrics.setOldestScn(Scn scn)
static void	LogMinerHelper.setRedoLogFilesForMining(OracleConnection connection, Scn lastProcessedScn, Duration archiveLogRetention) 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.

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

Constructor and Description
DmlEvent(int operation, LogMinerDmlEntry entry, Scn scn, TableId tableId, String rowId)
LogFile(String fileName, Scn firstScn, Scn nextScn) Create a log file that represents an archived log record.
LogFile(String fileName, Scn firstScn, Scn nextScn, boolean current) Creates a log file that represents an online redo log record.
Transaction(String transactionId, Scn firstScn)

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

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

Modifier and Type	Field and Description
private Scn	LogMinerDmlEntryImpl.scn

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

Modifier and Type	Method and Description
Scn	LogMinerDmlEntryImpl.getScn()
Scn	LogMinerDmlEntry.getScn() the scn obtained from a LogMiner entry.

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

Modifier and Type	Method and Description
void	LogMinerDmlEntryImpl.setScn(Scn scn)
void	LogMinerDmlEntry.setScn(Scn scn) sets scn obtained from a LogMiner entry

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

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

Modifier and Type	Field and Description
private Scn	LcrPosition.scn

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

Modifier and Type	Method and Description
Scn	LcrPosition.getScn()

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

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