Package com.linkedin.venice.vpj.pubsub.input

Enum Class PartitionSplitStrategy

java.lang.Object

java.lang.Enum<PartitionSplitStrategy>

com.linkedin.venice.vpj.pubsub.input.PartitionSplitStrategy

All Implemented Interfaces:

PubSubTopicPartitionSplitStrategy, Serializable, Comparable<PartitionSplitStrategy>, Constable

public enum PartitionSplitStrategy
extends Enum<PartitionSplitStrategy>
implements PubSubTopicPartitionSplitStrategy

Defines the available strategies for splitting a PubSubTopicPartition into one or more PubSubPartitionSplit instances.

Each enum constant encapsulates a specific implementation of PubSubTopicPartitionSplitStrategy. This allows the enum itself to serve as the strategy selector, removing the need for a separate factory or switch statement.

Usage example:

 List<PubSubPartitionSplit> splits =
     PartitionSplitStrategy.SINGLE_SPLIT_PER_PARTITION.split(request);
 

Nested Class Summary

Nested classes/interfaces inherited from class java.lang.Enum

Enum.EnumDesc<E extends Enum<E>>

Enum Constant Summary

Enum Constants

Enum Constant	Description
CAPPED_SPLIT_COUNT	Splits a PubSubTopicPartition into multiple splits, with the total number of splits capped at a configured maximum.
FIXED_RECORD_COUNT	Splits a PubSubTopicPartition into multiple splits, each containing a fixed target number of records.
SINGLE_SPLIT_PER_PARTITION	Produces exactly one split per PubSubTopicPartition.

Method Summary

Modifier and Type	Method	Description
List<PubSubPartitionSplit>	split(SplitRequest request)
static PartitionSplitStrategy	valueOf(String name)	Returns the enum constant of this class with the specified name.
static PartitionSplitStrategy[]	values()	Returns an array containing the constants of this enum class, in the order they are declared.

Methods inherited from class java.lang.Enum

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

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Enum Constant Details

FIXED_RECORD_COUNT

public static final PartitionSplitStrategy FIXED_RECORD_COUNT

Splits a PubSubTopicPartition into multiple splits, each containing a fixed target number of records.

CAPPED_SPLIT_COUNT

public static final PartitionSplitStrategy CAPPED_SPLIT_COUNT

Splits a PubSubTopicPartition into multiple splits, with the total number of splits capped at a configured maximum. The size of each split is calculated by dividing the total record count by this maximum.

SINGLE_SPLIT_PER_PARTITION

public static final PartitionSplitStrategy SINGLE_SPLIT_PER_PARTITION

Produces exactly one split per PubSubTopicPartition. This strategy returns a single continuous range from the start position to the end position without further segmentation.

Method Details

values

public static PartitionSplitStrategy[] values()

Returns an array containing the constants of this enum class, in the order they are declared.

Returns:

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

valueOf

public static PartitionSplitStrategy valueOf(String name)

Returns the enum constant of this class with the specified name. The string must match exactly an identifier used to declare an enum constant in this class. (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 class has no constant with the specified name

NullPointerException - if the argument is null

split

public List<PubSubPartitionSplit> split(SplitRequest request)

Specified by:

split in interface PubSubTopicPartitionSplitStrategy