Package io.debezium.connector.oracle.olr

Class OpenLogReplicatorStreamingChangeEventSource

java.lang.Object

io.debezium.connector.oracle.olr.OpenLogReplicatorStreamingChangeEventSource

All Implemented Interfaces:

ChangeEventSource, StreamingChangeEventSource<OraclePartition,OracleOffsetContext>

public class OpenLogReplicatorStreamingChangeEventSource
extends Object
implements StreamingChangeEventSource<OraclePartition,OracleOffsetContext>

An implementation of StreamingChangeEventSource based on OpenLogReplicator.

Author:

Chris Cranford

Nested Class Summary

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

ChangeEventSource.ChangeEventSourceContext

Field Summary

Fields

Modifier and Type	Field	Description
private OlrNetworkClient	client
private final Clock	clock
private final OracleConnectorConfig	connectorConfig
private final EventDispatcher<OraclePartition,TableId>	dispatcher
private final ErrorHandler	errorHandler
private final OracleConnection	jdbcConnection
private long	lastCheckpointIndex
private Scn	lastCheckpointScn
private static final org.slf4j.Logger	LOGGER
private OracleOffsetContext	offsetContext
private OraclePartition	partition
private final OracleDatabaseSchema	schema
private final OpenLogReplicatorStreamingChangeEventSourceMetrics	streamingMetrics
private boolean	transactionEvents

Constructor Summary

Constructors

Constructor	Description
OpenLogReplicatorStreamingChangeEventSource(OracleConnectorConfig connectorConfig, OracleConnection connection, EventDispatcher<OraclePartition,TableId> dispatcher, ErrorHandler errorHandler, Clock clock, OracleDatabaseSchema schema, OpenLogReplicatorStreamingChangeEventSourceMetrics streamingMetrics)

Method Summary

Modifier and Type	Method	Description
void	commitOffset(Map<String,?> partition, Map<String,?> offset)
private void	confirmLastCheckpointScn()
private OracleOffsetContext	emptyContext()
void	execute(ChangeEventSource.ChangeEventSourceContext context, OraclePartition partition, OracleOffsetContext offsetContext)
OracleOffsetContext	getOffsetContext()
void	init(OracleOffsetContext offsetContext)
private boolean	isTableSqlStatement(String sqlStatement)
private void	onBeginEvent(StreamingEvent event)
private void	onCheckpointEvent(StreamingEvent event)
private void	onCommitEvent(StreamingEvent event)
private void	onEvent(StreamingEvent event)
private void	onMutationEvent(StreamingEvent event, AbstractMutationEvent mutationEvent)
private void	onSchemaChangeEvent(StreamingEvent event, SchemaChangeEvent schemaEvent)
private Optional<Table>	potentiallyEmitSchemaChangeForUnknownTable(PayloadEvent.Type eventType, TableId tableId)
private void	processTruncateEvent(StreamingEvent event, SchemaChangeEvent ddlEvent)
private Object	resolveColumnValue(TableId tableId, Column column, Values values)
private Object[]	toColumnValuesArray(Table table, Values values)
private void	updateCheckpoint(StreamingEvent event)

Methods inherited from class java.lang.Object

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

Methods inherited from interface io.debezium.pipeline.source.spi.StreamingChangeEventSource

executeIteration

Field Details

LOGGER

private static final org.slf4j.Logger LOGGER

connectorConfig

private final OracleConnectorConfig connectorConfig

jdbcConnection

private final OracleConnection jdbcConnection

dispatcher

private final EventDispatcher<OraclePartition,TableId> dispatcher

errorHandler

private final ErrorHandler errorHandler

clock

private final Clock clock

schema

private final OracleDatabaseSchema schema

streamingMetrics

private final OpenLogReplicatorStreamingChangeEventSourceMetrics streamingMetrics

client

private OlrNetworkClient client

partition

private OraclePartition partition

offsetContext

private OracleOffsetContext offsetContext

transactionEvents

private boolean transactionEvents

lastCheckpointScn

private Scn lastCheckpointScn

lastCheckpointIndex

private long lastCheckpointIndex

Constructor Details

OpenLogReplicatorStreamingChangeEventSource

public OpenLogReplicatorStreamingChangeEventSource(OracleConnectorConfig connectorConfig,
 OracleConnection connection,
 EventDispatcher<OraclePartition,TableId> dispatcher,
 ErrorHandler errorHandler,
 Clock clock,
 OracleDatabaseSchema schema,
 OpenLogReplicatorStreamingChangeEventSourceMetrics streamingMetrics)

Method Details

init

public void init(OracleOffsetContext offsetContext)
          throws InterruptedException

Specified by:

init in interface StreamingChangeEventSource<OraclePartition,OracleOffsetContext>

Throws:

InterruptedException

getOffsetContext

public OracleOffsetContext getOffsetContext()

Specified by:

getOffsetContext in interface StreamingChangeEventSource<OraclePartition,OracleOffsetContext>

emptyContext

private OracleOffsetContext emptyContext()

execute

public void execute(ChangeEventSource.ChangeEventSourceContext context,
 OraclePartition partition,
 OracleOffsetContext offsetContext)
             throws InterruptedException

Specified by:

execute in interface StreamingChangeEventSource<OraclePartition,OracleOffsetContext>

Throws:

InterruptedException

commitOffset

public void commitOffset(Map<String,?> partition,
 Map<String,?> offset)

Specified by:

commitOffset in interface StreamingChangeEventSource<OraclePartition,OracleOffsetContext>

confirmLastCheckpointScn

private void confirmLastCheckpointScn()

onEvent

private void onEvent(StreamingEvent event)
              throws Exception

Throws:

Exception

onBeginEvent

private void onBeginEvent(StreamingEvent event)

onCommitEvent

private void onCommitEvent(StreamingEvent event)
                    throws InterruptedException

Throws:

InterruptedException

onCheckpointEvent

private void onCheckpointEvent(StreamingEvent event)
                        throws InterruptedException

Throws:

InterruptedException

onMutationEvent

private void onMutationEvent(StreamingEvent event,
 AbstractMutationEvent mutationEvent)
                      throws Exception

Throws:

Exception

onSchemaChangeEvent

private void onSchemaChangeEvent(StreamingEvent event,
 SchemaChangeEvent schemaEvent)
                          throws Exception

Throws:

Exception

isTableSqlStatement

private boolean isTableSqlStatement(String sqlStatement)

toColumnValuesArray

private Object[] toColumnValuesArray(Table table,
 Values values)

potentiallyEmitSchemaChangeForUnknownTable

private Optional<Table> potentiallyEmitSchemaChangeForUnknownTable(PayloadEvent.Type eventType,
 TableId tableId)
                                                            throws Exception

Throws:

Exception

processTruncateEvent

private void processTruncateEvent(StreamingEvent event,
 SchemaChangeEvent ddlEvent)
                           throws InterruptedException

Throws:

InterruptedException

resolveColumnValue

private Object resolveColumnValue(TableId tableId,
 Column column,
 Values values)

updateCheckpoint

private void updateCheckpoint(StreamingEvent event)