software.amazon.kinesis.retrieval.polling

Class BlockingRecordsPublisher

java.lang.Object

software.amazon.kinesis.retrieval.polling.BlockingRecordsPublisher

All Implemented Interfaces:

org.reactivestreams.Publisher<RecordsRetrieved>, RecordsPublisher

public class BlockingRecordsPublisher
extends Object
implements RecordsPublisher

This is the BlockingRecordsPublisher class. This class blocks any calls to the records on the GetRecordsRetrievalStrategy class.

Constructor Summary

Constructors

Constructor and Description
BlockingRecordsPublisher(int maxRecordsPerCall, GetRecordsRetrievalStrategy getRecordsRetrievalStrategy)

Method Summary

Modifier and Type	Method and Description
RequestDetails	getLastSuccessfulRequestDetails() Gets last successful request details.
ProcessRecordsInput	getNextResult()
void	restartFrom(RecordsRetrieved recordsRetrieved) Restart from the last accepted and processed
void	shutdown() Shutdowns the publisher.
void	start(ExtendedSequenceNumber extendedSequenceNumber, InitialPositionInStreamExtended initialPositionInStreamExtended) Initializes the publisher with where to start processing.
void	subscribe(org.reactivestreams.Subscriber<? super RecordsRetrieved> s)

Methods inherited from class java.lang.Object

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

Methods inherited from interface software.amazon.kinesis.retrieval.RecordsPublisher

notify

Constructor Detail

BlockingRecordsPublisher

public BlockingRecordsPublisher(int maxRecordsPerCall,
                                GetRecordsRetrievalStrategy getRecordsRetrievalStrategy)

Method Detail

start

public void start(ExtendedSequenceNumber extendedSequenceNumber,
                  InitialPositionInStreamExtended initialPositionInStreamExtended)

Description copied from interface: RecordsPublisher

Initializes the publisher with where to start processing. If there is a stored sequence number the publisher will begin from that sequence number, otherwise it will use the initial position.

Specified by:

start in interface RecordsPublisher

Parameters:

extendedSequenceNumber - the sequence number to start processing from

initialPositionInStreamExtended - if there is no sequence number the initial position to use

getNextResult

public ProcessRecordsInput getNextResult()

shutdown

public void shutdown()

Description copied from interface: RecordsPublisher

Shutdowns the publisher. Once this method returns the publisher should no longer provide any records.

Specified by:

shutdown in interface RecordsPublisher

getLastSuccessfulRequestDetails

public RequestDetails getLastSuccessfulRequestDetails()

Description copied from interface: RecordsPublisher

Gets last successful request details.

Specified by:

getLastSuccessfulRequestDetails in interface RecordsPublisher

Returns:

details associated with last successful request.

subscribe

public void subscribe(org.reactivestreams.Subscriber<? super RecordsRetrieved> s)

Specified by:

subscribe in interface org.reactivestreams.Publisher<RecordsRetrieved>

restartFrom

public void restartFrom(RecordsRetrieved recordsRetrieved)

Description copied from interface: RecordsPublisher

Restart from the last accepted and processed

Specified by:

restartFrom in interface RecordsPublisher

Parameters:

recordsRetrieved - the processRecordsInput to restart from