org.apache.flink.connector.pulsar.sink.writer

Class PulsarWriter<IN>

java.lang.Object

org.apache.flink.connector.pulsar.sink.writer.PulsarWriter<IN>

Type Parameters:

IN - The type of the input elements.

All Implemented Interfaces:

AutoCloseable, org.apache.flink.api.connector.sink2.SinkWriter<IN>, org.apache.flink.api.connector.sink2.TwoPhaseCommittingSink.PrecommittingSinkWriter<IN,PulsarCommittable>

@Internal
public class PulsarWriter<IN>
extends Object
implements org.apache.flink.api.connector.sink2.TwoPhaseCommittingSink.PrecommittingSinkWriter<IN,PulsarCommittable>

This class is responsible to write records in a Pulsar topic and to handle the different delivery DeliveryGuarantees.

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.flink.api.connector.sink2.SinkWriter

org.apache.flink.api.connector.sink2.SinkWriter.Context

Constructor Summary

Constructors

Constructor and Description
PulsarWriter(SinkConfiguration sinkConfiguration, PulsarSerializationSchema<IN> serializationSchema, TopicRegister<IN> topicRegister, TopicRouter<IN> topicRouter, MessageDelayer<IN> messageDelayer, org.apache.pulsar.client.api.CryptoKeyReader cryptoKeyReader, org.apache.flink.api.connector.sink2.Sink.InitContext initContext) Constructor creating a Pulsar writer.

Method Summary

Modifier and Type	Method and Description
void	close()
void	flush(boolean endOfInput)
Collection<PulsarCommittable>	prepareCommit()
void	write(IN element, org.apache.flink.api.connector.sink2.SinkWriter.Context context)

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.flink.api.connector.sink2.SinkWriter

writeWatermark

Constructor Detail

PulsarWriter

public PulsarWriter(SinkConfiguration sinkConfiguration,
                    PulsarSerializationSchema<IN> serializationSchema,
                    TopicRegister<IN> topicRegister,
                    TopicRouter<IN> topicRouter,
                    MessageDelayer<IN> messageDelayer,
                    @Nullable
                    org.apache.pulsar.client.api.CryptoKeyReader cryptoKeyReader,
                    org.apache.flink.api.connector.sink2.Sink.InitContext initContext)

Constructor creating a Pulsar writer.

It will throw a RuntimeException if PulsarSerializationSchema#open(InitializationContext, PulsarSinkContext, SinkConfiguration) fails.

Parameters:

sinkConfiguration - The configuration to configure the Pulsar producer.

serializationSchema - Transform the incoming records into different message properties.

topicRegister - The listener for querying topic metadata.

topicRouter - Topic router to choose topic by incoming records.

initContext - Context to provide information about the runtime environment.

Method Detail

write

public void write(IN element,
                  org.apache.flink.api.connector.sink2.SinkWriter.Context context)
           throws IOException,
                  InterruptedException

Specified by:

write in interface org.apache.flink.api.connector.sink2.SinkWriter<IN>

Throws:

IOException

InterruptedException

flush

public void flush(boolean endOfInput)
           throws IOException

Specified by:

flush in interface org.apache.flink.api.connector.sink2.SinkWriter<IN>

Throws:

IOException

prepareCommit

public Collection<PulsarCommittable> prepareCommit()

Specified by:

prepareCommit in interface org.apache.flink.api.connector.sink2.TwoPhaseCommittingSink.PrecommittingSinkWriter<IN,PulsarCommittable>

close

public void close()
           throws Exception

Specified by:

close in interface AutoCloseable

Throws:

Exception