Package io.debezium.connector.oracle.xstream

Class LcrEventHandler

java.lang.Object

io.debezium.connector.oracle.xstream.LcrEventHandler

All Implemented Interfaces:

oracle.streams.XStreamLCRCallbackHandler

class LcrEventHandler
extends Object
implements oracle.streams.XStreamLCRCallbackHandler

Handler for Oracle DDL and DML events. Just forwards events to the EventDispatcher.

Author:

Gunnar Morling

Field Summary

Fields

Modifier and Type	Field	Description
private Clock	clock
private Map<String,ChunkColumnValues>	columnChunks
private OracleConnectorConfig	connectorConfig
private oracle.streams.RowLCR	currentRow
private EventDispatcher<TableId>	dispatcher
private ErrorHandler	errorHandler
private XstreamStreamingChangeEventSource	eventSource
private static org.slf4j.Logger	LOGGER
private OracleOffsetContext	offsetContext
private OraclePartition	partition
private OracleDatabaseSchema	schema
private OracleStreamingChangeEventSourceMetrics	streamingMetrics
private boolean	tablenameCaseInsensitive

Constructor Summary

Constructors

Constructor	Description
LcrEventHandler(OracleConnectorConfig connectorConfig, ErrorHandler errorHandler, EventDispatcher<TableId> dispatcher, Clock clock, OracleDatabaseSchema schema, OraclePartition partition, OracleOffsetContext offsetContext, boolean tablenameCaseInsensitive, XstreamStreamingChangeEventSource eventSource, OracleStreamingChangeEventSourceMetrics streamingMetrics)

Method Summary

Modifier and Type	Method	Description
oracle.streams.ChunkColumnValue	createChunk()
oracle.streams.LCR	createLCR()
private void	dispatchDataChangeEvent(oracle.streams.RowLCR lcr, Map<String,Object> chunkValues)
private void	dispatchSchemaChangeEvent(oracle.streams.DDLLCR ddlLcr)
private TableId	getTableId(oracle.streams.LCR lcr)
private String	getTableMetadataDdl(TableId tableId)
private boolean	isLobColumn(Column column)
void	processChunk(oracle.streams.ChunkColumnValue chunk)
void	processLCR(oracle.streams.LCR lcr)
private void	processRowLCR(oracle.streams.RowLCR row)
private void	processTruncateEvent(oracle.streams.DDLLCR ddlLcr)
private void	resolveAndDispatchCurrentChunkedRow()
private void	setWatermark()

Methods inherited from class java.lang.Object

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

Field Detail

LOGGER

private static final org.slf4j.Logger LOGGER

connectorConfig

private final OracleConnectorConfig connectorConfig

errorHandler

private final ErrorHandler errorHandler

dispatcher

private final EventDispatcher<TableId> dispatcher

clock

private final Clock clock

schema

private final OracleDatabaseSchema schema

partition

private final OraclePartition partition

offsetContext

private final OracleOffsetContext offsetContext

tablenameCaseInsensitive

private final boolean tablenameCaseInsensitive

eventSource

private final XstreamStreamingChangeEventSource eventSource

streamingMetrics

private final OracleStreamingChangeEventSourceMetrics streamingMetrics

columnChunks

private final Map<String,ChunkColumnValues> columnChunks

currentRow

private oracle.streams.RowLCR currentRow

Constructor Detail

LcrEventHandler

public LcrEventHandler(OracleConnectorConfig connectorConfig,
                       ErrorHandler errorHandler,
                       EventDispatcher<TableId> dispatcher,
                       Clock clock,
                       OracleDatabaseSchema schema,
                       OraclePartition partition,
                       OracleOffsetContext offsetContext,
                       boolean tablenameCaseInsensitive,
                       XstreamStreamingChangeEventSource eventSource,
                       OracleStreamingChangeEventSourceMetrics streamingMetrics)

Method Detail

processLCR

public void processLCR(oracle.streams.LCR lcr)
                throws oracle.streams.StreamsException

Specified by:

processLCR in interface oracle.streams.XStreamLCRCallbackHandler

Throws:

oracle.streams.StreamsException

processRowLCR

private void processRowLCR(oracle.streams.RowLCR row)
                    throws InterruptedException

Throws:

InterruptedException

dispatchDataChangeEvent

private void dispatchDataChangeEvent(oracle.streams.RowLCR lcr,
                                     Map<String,Object> chunkValues)
                              throws InterruptedException

Throws:

InterruptedException

dispatchSchemaChangeEvent

private void dispatchSchemaChangeEvent(oracle.streams.DDLLCR ddlLcr)
                                throws InterruptedException

Throws:

InterruptedException

processTruncateEvent

private void processTruncateEvent(oracle.streams.DDLLCR ddlLcr)

getTableId

private TableId getTableId(oracle.streams.LCR lcr)

getTableMetadataDdl

private String getTableMetadataDdl(TableId tableId)

setWatermark

private void setWatermark()

processChunk

public void processChunk(oracle.streams.ChunkColumnValue chunk)
                  throws oracle.streams.StreamsException

Specified by:

processChunk in interface oracle.streams.XStreamLCRCallbackHandler

Throws:

oracle.streams.StreamsException

createLCR

public oracle.streams.LCR createLCR()
                             throws oracle.streams.StreamsException

Specified by:

createLCR in interface oracle.streams.XStreamLCRCallbackHandler

Throws:

oracle.streams.StreamsException

createChunk

public oracle.streams.ChunkColumnValue createChunk()
                                            throws oracle.streams.StreamsException

Specified by:

createChunk in interface oracle.streams.XStreamLCRCallbackHandler

Throws:

oracle.streams.StreamsException

isLobColumn

private boolean isLobColumn(Column column)

resolveAndDispatchCurrentChunkedRow

private void resolveAndDispatchCurrentChunkedRow()