org.apache.nifi.processors.kafka.pubsub

Class PublisherPool

java.lang.Object

org.apache.nifi.processors.kafka.pubsub.PublisherPool

All Implemented Interfaces:

Closeable, AutoCloseable

public class PublisherPool
extends Object
implements Closeable

Field Summary

Fields

Modifier and Type	Field and Description
private Pattern	attributeNameRegex
private boolean	closed
private Charset	headerCharacterSet
private Map<String,Object>	kafkaProperties
private ComponentLog	logger
private long	maxAckWaitMillis
private int	maxMessageSize
private BlockingQueue<PublisherLease>	publisherQueue
private Supplier<String>	transactionalIdSupplier
private boolean	useTransactions

Constructor Summary

Constructors

Constructor and Description
PublisherPool(Map<String,Object> kafkaProperties, ComponentLog logger, int maxMessageSize, long maxAckWaitMillis, boolean useTransactions, Supplier<String> transactionalIdSupplier, Pattern attributeNameRegex, Charset headerCharacterSet)

Method Summary

Modifier and Type	Method and Description
protected int	available() Returns the number of leases that are currently available
void	close()
private PublisherLease	createLease()
boolean	isClosed()
PublisherLease	obtainPublisher()

Methods inherited from class java.lang.Object

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

Field Detail

logger

private final ComponentLog logger

publisherQueue

private final BlockingQueue<PublisherLease> publisherQueue

kafkaProperties

private final Map<String,Object> kafkaProperties

maxMessageSize

private final int maxMessageSize

maxAckWaitMillis

private final long maxAckWaitMillis

useTransactions

private final boolean useTransactions

attributeNameRegex

private final Pattern attributeNameRegex

headerCharacterSet

private final Charset headerCharacterSet

transactionalIdSupplier

private Supplier<String> transactionalIdSupplier

closed

private volatile boolean closed

Constructor Detail

PublisherPool

PublisherPool(Map<String,Object> kafkaProperties,
              ComponentLog logger,
              int maxMessageSize,
              long maxAckWaitMillis,
              boolean useTransactions,
              Supplier<String> transactionalIdSupplier,
              Pattern attributeNameRegex,
              Charset headerCharacterSet)

Method Detail

obtainPublisher

public PublisherLease obtainPublisher()

createLease

private PublisherLease createLease()

isClosed

public boolean isClosed()

close

public void close()

Specified by:

close in interface Closeable

Specified by:

close in interface AutoCloseable

available

protected int available()

Returns the number of leases that are currently available

Returns:

the number of leases currently available