org.apache.flink.streaming.connectors.pulsar.table

Enum PulsarSinkSemantic

java.lang.Object

java.lang.Enum<PulsarSinkSemantic>

org.apache.flink.streaming.connectors.pulsar.table.PulsarSinkSemantic

All Implemented Interfaces:

Serializable, Comparable<PulsarSinkSemantic>

@Internal
public enum PulsarSinkSemantic
extends Enum<PulsarSinkSemantic>

Pulsar sink semantic Enum.

Enum Constant Summary

Enum Constants

Enum Constant and Description
AT_LEAST_ONCE Semantic.AT_LEAST_ONCE the Flink producer will wait for all outstanding messages in the Pulsar buffers to be acknowledged by the Pulsar producer on a checkpoint.
EXACTLY_ONCE Semantic.EXACTLY_ONCE the Flink producer will write all messages in a Pulsar transaction that will be committed to Pulsar on a checkpoint.
NONE Semantic.NONE means that nothing will be guaranteed.

Method Summary

Modifier and Type	Method and Description
static PulsarSinkSemantic	valueOf(String name) Returns the enum constant of this type with the specified name.
static PulsarSinkSemantic[]	values() Returns an array containing the constants of this enum type, in the order they are declared.

Methods inherited from class java.lang.Enum

clone, compareTo, equals, finalize, getDeclaringClass, hashCode, name, ordinal, toString, valueOf

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Enum Constant Detail

EXACTLY_ONCE

public static final PulsarSinkSemantic EXACTLY_ONCE

Semantic.EXACTLY_ONCE the Flink producer will write all messages in a Pulsar transaction that will be committed to Pulsar on a checkpoint.

AT_LEAST_ONCE

public static final PulsarSinkSemantic AT_LEAST_ONCE

Semantic.AT_LEAST_ONCE the Flink producer will wait for all outstanding messages in the Pulsar buffers to be acknowledged by the Pulsar producer on a checkpoint.

NONE

public static final PulsarSinkSemantic NONE

Semantic.NONE means that nothing will be guaranteed. Messages can be lost and/or duplicated in case of failure.

Method Detail

values

public static PulsarSinkSemantic[] values()

Returns an array containing the constants of this enum type, in the order they are declared. This method may be used to iterate over the constants as follows:

for (PulsarSinkSemantic c : PulsarSinkSemantic.values())
    System.out.println(c);

Returns:

an array containing the constants of this enum type, in the order they are declared

valueOf

public static PulsarSinkSemantic valueOf(String name)

Returns the enum constant of this type with the specified name. The string must match exactly an identifier used to declare an enum constant in this type. (Extraneous whitespace characters are not permitted.)

Parameters:

name - the name of the enum constant to be returned.

Returns:

the enum constant with the specified name

Throws:

IllegalArgumentException - if this enum type has no constant with the specified name

NullPointerException - if the argument is null