Package io.debezium.connector.cassandra

Class CommitLogIdxProcessor

java.lang.Object

io.debezium.connector.cassandra.AbstractProcessor

io.debezium.connector.cassandra.CommitLogIdxProcessor

public class CommitLogIdxProcessor
extends AbstractProcessor

The CommitLogIdxProcessor is used to process CommitLog in CDC directory. Upon readCommitLog, it processes the entire CommitLog specified in the CassandraConnectorConfig and converts each row change in the commit log into a Record, and then emit the log via a KafkaRecordEmitter.

Field Summary

Fields

Modifier and Type	Field	Description
private final File	cdcDir
private final CommitLogSegmentReader	commitLogReader
private final CommitLogTransfer	commitLogTransfer
private final CassandraConnectorContext	context
private final boolean	errorCommitLogReprocessEnabled
private final ExecutorService	executorService
private boolean	initial
private static final org.slf4j.Logger	LOGGER
private final CommitLogProcessorMetrics	metrics
private static final String	NAME
(package private) static final Set<org.apache.commons.math3.util.Pair<CommitLogIdxParser,Future<CommitLogProcessingResult>>>	submittedProcessings
private AbstractDirectoryWatcher	watcher

Constructor Summary

Constructors

Constructor	Description
CommitLogIdxProcessor(CassandraConnectorContext context, CommitLogProcessorMetrics metrics, CommitLogSegmentReader commitLogReader, File cdcDir)

Method Summary

Modifier and Type	Method	Description
void	destroy()	Override destroy to clean up resources after stopping the processor
void	initialize()	Override initialize to initialize resources before starting the processor
boolean	isRunning()
void	process()	The actual work the processor is doing.
protected static void	removeProcessing(CommitLogIdxParser parser)
void	stop()
void	submit(Path index)

Methods inherited from class io.debezium.connector.cassandra.AbstractProcessor

getName, start

Methods inherited from class java.lang.Object

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

Field Details

LOGGER

private static final org.slf4j.Logger LOGGER

NAME

private static final String NAME

See Also:

• Constant Field Values

context

private final CassandraConnectorContext context

cdcDir

private final File cdcDir

watcher

private AbstractDirectoryWatcher watcher

metrics

private final CommitLogProcessorMetrics metrics

initial

private boolean initial

errorCommitLogReprocessEnabled

private final boolean errorCommitLogReprocessEnabled

commitLogTransfer

private final CommitLogTransfer commitLogTransfer

executorService

private final ExecutorService executorService

submittedProcessings

static final Set<org.apache.commons.math3.util.Pair<CommitLogIdxParser,Future<CommitLogProcessingResult>>> submittedProcessings

commitLogReader

private final CommitLogSegmentReader commitLogReader

Constructor Details

CommitLogIdxProcessor

public CommitLogIdxProcessor(CassandraConnectorContext context,
 CommitLogProcessorMetrics metrics,
 CommitLogSegmentReader commitLogReader,
 File cdcDir)

Method Details

initialize

public void initialize()

Description copied from class: AbstractProcessor

Override initialize to initialize resources before starting the processor

Overrides:

initialize in class AbstractProcessor

destroy

public void destroy()

Description copied from class: AbstractProcessor

Override destroy to clean up resources after stopping the processor

Overrides:

destroy in class AbstractProcessor

stop

public void stop()

Overrides:

stop in class AbstractProcessor

removeProcessing

protected static void removeProcessing(CommitLogIdxParser parser)

submit

public void submit(Path index)

isRunning

public boolean isRunning()

Overrides:

isRunning in class AbstractProcessor

process

public void process()
             throws IOException,
InterruptedException

Description copied from class: AbstractProcessor

The actual work the processor is doing. This method will be executed in a while loop until processor stops or encounters exception.

Specified by:

process in class AbstractProcessor

Throws:

IOException

InterruptedException