Package io.debezium.connector.oracle.logminer

Class LogMinerAdapter

java.lang.Object

io.debezium.connector.oracle.AbstractStreamingAdapter

io.debezium.connector.oracle.logminer.LogMinerAdapter

All Implemented Interfaces:

StreamingAdapter

public class LogMinerAdapter
extends AbstractStreamingAdapter

Author:

Chris Cranford

Nested Class Summary

Nested classes/interfaces inherited from interface io.debezium.connector.oracle.StreamingAdapter

StreamingAdapter.TableNameCaseSensitivity

Field Summary

Fields

Modifier and Type	Field	Description
private static final int	GET_TRANSACTION_SCN_ATTEMPTS
private static final Duration	GET_TRANSACTION_SCN_PAUSE
private static final org.slf4j.Logger	LOGGER
static final String	TYPE

Fields inherited from class io.debezium.connector.oracle.AbstractStreamingAdapter

connectorConfig

Constructor Summary

Constructors

Constructor	Description
LogMinerAdapter(OracleConnectorConfig connectorConfig)

Method Summary

Modifier and Type	Method	Description
private void	addLogsToSession(List<LogFile> logs, int from, int to, OracleConnection connection)
private OracleOffsetContext	determineSnapshotOffset(OracleConnectorConfig connectorConfig, OracleConnection connection, Scn currentScn, Map<String,Scn> pendingTransactions)
OracleOffsetContext	determineSnapshotOffset(RelationalSnapshotChangeEventSource.RelationalSnapshotContext<OraclePartition,OracleOffsetContext> ctx, OracleConnectorConfig connectorConfig, OracleConnection connection)	Returns the offset context based on the snapshot state.
HistoryRecordComparator	getHistoryRecordComparator()
OffsetContext.Loader<OracleOffsetContext>	getOffsetContextLoader()
private Scn	getOldestScnAvailableInLogs(OracleConnectorConfig config, OracleConnection connection)
private List<LogFile>	getOrderedLogsFromScn(OracleConnectorConfig config, Scn sinceScn, OracleConnection connection)
private Optional<Scn>	getPendingTransactions(Scn latestTableDdlScn, OracleConnection connection, Map<String,Scn> transactions)
StreamingChangeEventSource<OraclePartition,OracleOffsetContext>	getSource(OracleConnection connection, EventDispatcher<OraclePartition,TableId> dispatcher, ErrorHandler errorHandler, Clock clock, OracleDatabaseSchema schema, OracleTaskContext taskContext, Configuration jdbcConfig, OracleStreamingChangeEventSourceMetrics streamingMetrics)
private Optional<String>	getTransactionIdForScn(Scn scn, OracleConnection connection)
private Scn	getTransactionStartScn(String transactionId, Scn currentScn, OracleConnection connection)
String	getType()
private void	startSession(OracleConnection connection)
private void	stopSession(OracleConnection connection)

Methods inherited from class io.debezium.connector.oracle.AbstractStreamingAdapter

areSameTimestamp, getLatestTableDdlScn, resolveScn

Methods inherited from class java.lang.Object

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

Methods inherited from interface io.debezium.connector.oracle.StreamingAdapter

getTableNameCaseSensitivity

Field Details

GET_TRANSACTION_SCN_PAUSE

private static final Duration GET_TRANSACTION_SCN_PAUSE

GET_TRANSACTION_SCN_ATTEMPTS

private static final int GET_TRANSACTION_SCN_ATTEMPTS

See Also:

• Constant Field Values

LOGGER

private static final org.slf4j.Logger LOGGER

TYPE

public static final String TYPE

See Also:

• Constant Field Values

Constructor Details

LogMinerAdapter

public LogMinerAdapter(OracleConnectorConfig connectorConfig)

Method Details

getType

public String getType()

getHistoryRecordComparator

public HistoryRecordComparator getHistoryRecordComparator()

getOffsetContextLoader

public OffsetContext.Loader<OracleOffsetContext> getOffsetContextLoader()

getSource

public StreamingChangeEventSource<OraclePartition,OracleOffsetContext> getSource(OracleConnection connection,
 EventDispatcher<OraclePartition,TableId> dispatcher,
 ErrorHandler errorHandler,
 Clock clock,
 OracleDatabaseSchema schema,
 OracleTaskContext taskContext,
 Configuration jdbcConfig,
 OracleStreamingChangeEventSourceMetrics streamingMetrics)

determineSnapshotOffset

public OracleOffsetContext determineSnapshotOffset(RelationalSnapshotChangeEventSource.RelationalSnapshotContext<OraclePartition,OracleOffsetContext> ctx,
 OracleConnectorConfig connectorConfig,
 OracleConnection connection)
                                            throws SQLException

Description copied from interface: StreamingAdapter

Returns the offset context based on the snapshot state.

Parameters:

ctx - the relational snapshot context, should never be null

connectorConfig - the connector configuration, should never be null

connection - the database connection, should never be null

Returns:

the offset context, never null

Throws:

SQLException - if a database error occurred

getPendingTransactions

private Optional<Scn> getPendingTransactions(Scn latestTableDdlScn,
 OracleConnection connection,
 Map<String,Scn> transactions)
                                      throws SQLException

Throws:

SQLException

determineSnapshotOffset

private OracleOffsetContext determineSnapshotOffset(OracleConnectorConfig connectorConfig,
 OracleConnection connection,
 Scn currentScn,
 Map<String,Scn> pendingTransactions)
                                             throws SQLException

Throws:

SQLException

addLogsToSession

private void addLogsToSession(List<LogFile> logs,
 int from,
 int to,
 OracleConnection connection)
                       throws SQLException

Throws:

SQLException

startSession

private void startSession(OracleConnection connection)
                   throws SQLException

Throws:

SQLException

stopSession

private void stopSession(OracleConnection connection)
                  throws SQLException

Throws:

SQLException

getOldestScnAvailableInLogs

private Scn getOldestScnAvailableInLogs(OracleConnectorConfig config,
 OracleConnection connection)
                                 throws SQLException

Throws:

SQLException

getOrderedLogsFromScn

private List<LogFile> getOrderedLogsFromScn(OracleConnectorConfig config,
 Scn sinceScn,
 OracleConnection connection)
                                     throws SQLException

Throws:

SQLException

getTransactionIdForScn

private Optional<String> getTransactionIdForScn(Scn scn,
 OracleConnection connection)
                                         throws SQLException,
InterruptedException

Throws:

SQLException

InterruptedException

getTransactionStartScn

private Scn getTransactionStartScn(String transactionId,
 Scn currentScn,
 OracleConnection connection)
                            throws SQLException,
InterruptedException

Throws:

SQLException

InterruptedException