org.apache.nifi.processors.kafka.pubsub

Class InFlightMessageTracker

java.lang.Object

org.apache.nifi.processors.kafka.pubsub.InFlightMessageTracker

public class InFlightMessageTracker
extends Object

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	InFlightMessageTracker.Counts

Field Summary

Fields

Modifier and Type	Field and Description
private ConcurrentMap<FlowFile,Exception>	failures
private ComponentLog	logger
private ConcurrentMap<FlowFile,InFlightMessageTracker.Counts>	messageCountsByFlowFile
private Object	progressMutex

Constructor Summary

Constructors

Constructor and Description
InFlightMessageTracker(ComponentLog logger)

Method Summary

Modifier and Type	Method and Description
(package private) void	awaitCompletion(long millis)
(package private) PublishResult	createPublishResult()
void	fail(FlowFile flowFile, Exception exception)
PublishResult	failOutstanding(Exception exception)
int	getAcknowledgedCount(FlowFile flowFile)
Exception	getFailure(FlowFile flowFile)
int	getSentCount(FlowFile flowFile)
void	incrementAcknowledgedCount(FlowFile flowFile)
void	incrementSentCount(FlowFile flowFile)
private boolean	isComplete()
private boolean	isComplete(FlowFile flowFile)
boolean	isFailed(FlowFile flowFile)
void	reset()
void	trackEmpty(FlowFile flowFile) This method guarantees that the specified FlowFile to be transferred to 'success' relationship even if it did not derive any Kafka message.

Methods inherited from class java.lang.Object

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

Field Detail

messageCountsByFlowFile

private final ConcurrentMap<FlowFile,InFlightMessageTracker.Counts> messageCountsByFlowFile

failures

private final ConcurrentMap<FlowFile,Exception> failures

progressMutex

private final Object progressMutex

logger

private final ComponentLog logger

Constructor Detail

InFlightMessageTracker

public InFlightMessageTracker(ComponentLog logger)

Method Detail

incrementAcknowledgedCount

public void incrementAcknowledgedCount(FlowFile flowFile)

trackEmpty

public void trackEmpty(FlowFile flowFile)

This method guarantees that the specified FlowFile to be transferred to 'success' relationship even if it did not derive any Kafka message.

getAcknowledgedCount

public int getAcknowledgedCount(FlowFile flowFile)

incrementSentCount

public void incrementSentCount(FlowFile flowFile)

getSentCount

public int getSentCount(FlowFile flowFile)

fail

public void fail(FlowFile flowFile,
                 Exception exception)

getFailure

public Exception getFailure(FlowFile flowFile)

isFailed

public boolean isFailed(FlowFile flowFile)

reset

public void reset()

failOutstanding

public PublishResult failOutstanding(Exception exception)

isComplete

private boolean isComplete(FlowFile flowFile)

isComplete

private boolean isComplete()

awaitCompletion

void awaitCompletion(long millis)
              throws InterruptedException,
                     TimeoutException

Throws:

InterruptedException

TimeoutException

createPublishResult

PublishResult createPublishResult()