org.apache.flink.connector.pulsar.source.offset

Class TimestampStartOffsetInitializer

java.lang.Object

org.apache.flink.connector.pulsar.source.offset.TimestampStartOffsetInitializer

All Implemented Interfaces:

Serializable, StartOffsetInitializer

public class TimestampStartOffsetInitializer
extends Object
implements StartOffsetInitializer

An implementation of StartOffsetInitializer to initialize the offsets based on a timestamp.

Should be initialized through StartOffsetInitializer.

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.flink.connector.pulsar.source.StartOffsetInitializer

StartOffsetInitializer.CreationConfiguration

Constructor Summary

Constructors

Constructor and Description
TimestampStartOffsetInitializer(long startingTimestamp)

Method Summary

Modifier and Type	Method and Description
void	initializeAfterCreation(AbstractPartition partition, org.apache.pulsar.client.api.Consumer<?> consumer) Initializes the offset for the given consumer and partition.
Optional<String>	verifyOffset(AbstractPartition partition, Supplier<Optional<org.apache.pulsar.client.api.MessageId>> lastMessageIdFetcher, Supplier<Optional<org.apache.pulsar.client.api.Message<byte[]>>> firstMessageFetcher) Verifies if the offset was initialized correctly.

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.connector.pulsar.source.StartOffsetInitializer

committedOffsets, committedOffsets, earliest, earliest, initializeBeforeCreation, latest, latest, offset, offsets, offsets, rollback, timestamps

Constructor Detail

TimestampStartOffsetInitializer

public TimestampStartOffsetInitializer(long startingTimestamp)

Method Detail

initializeAfterCreation

public void initializeAfterCreation(AbstractPartition partition,
                                    org.apache.pulsar.client.api.Consumer<?> consumer)
                             throws org.apache.pulsar.client.api.PulsarClientException

Description copied from interface: StartOffsetInitializer

Initializes the offset for the given consumer and partition.

Specified by:

initializeAfterCreation in interface StartOffsetInitializer

Parameters:

partition - the partition for which the consumer has been created

consumer - the consumer

Throws:

org.apache.pulsar.client.api.PulsarClientException

verifyOffset

public Optional<String> verifyOffset(AbstractPartition partition,
                                     Supplier<Optional<org.apache.pulsar.client.api.MessageId>> lastMessageIdFetcher,
                                     Supplier<Optional<org.apache.pulsar.client.api.Message<byte[]>>> firstMessageFetcher)

Description copied from interface: StartOffsetInitializer

Verifies if the offset was initialized correctly.

Specified by:

verifyOffset in interface StartOffsetInitializer

Returns:

an error message if no appropriate data point could be found or empty if initialization worked correctly.

See Also:

PulsarSourceOptions.VERIFY_INITIAL_OFFSETS