org.apache.hudi.table.action.ttl.strategy

Class KeepByTimeStrategy

java.lang.Object

org.apache.hudi.table.action.ttl.strategy.PartitionTTLStrategy

org.apache.hudi.table.action.ttl.strategy.KeepByTimeStrategy

All Implemented Interfaces:

Serializable, TTLStrategy

Direct Known Subclasses:

KeepByCreationTimeStrategy

public class KeepByTimeStrategy
extends PartitionTTLStrategy

KeepByTimeStrategy will return expired partitions by their lastCommitTime.

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
protected long	ttlInMilis

Fields inherited from class org.apache.hudi.table.action.ttl.strategy.PartitionTTLStrategy

hoodieTable, instantTime, writeConfig

Constructor Summary

Constructors

Constructor and Description
KeepByTimeStrategy(HoodieTable hoodieTable, String instantTime)

Method Summary

Modifier and Type	Method and Description
List<String>	getExpiredPartitionPaths() Get expired partition paths for a specific partition ttl strategy.
protected List<String>	getExpiredPartitionsForTimeStrategy(List<String> partitionsForTTLManagement)
protected boolean	isPartitionExpired(String referenceTime) Determines if a partition's reference time has exceeded its time-to-live (TTL).

Methods inherited from class org.apache.hudi.table.action.ttl.strategy.PartitionTTLStrategy

getPartitionPathsForTTL

Methods inherited from class java.lang.Object

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

Field Detail

ttlInMilis

protected final long ttlInMilis

Constructor Detail

KeepByTimeStrategy

public KeepByTimeStrategy(HoodieTable hoodieTable,
                          String instantTime)

Method Detail

getExpiredPartitionPaths

public List<String> getExpiredPartitionPaths()

Description copied from class: PartitionTTLStrategy

Get expired partition paths for a specific partition ttl strategy.

Specified by:

getExpiredPartitionPaths in class PartitionTTLStrategy

Returns:

Expired partition paths.

getExpiredPartitionsForTimeStrategy

protected List<String> getExpiredPartitionsForTimeStrategy(List<String> partitionsForTTLManagement)

isPartitionExpired

protected boolean isPartitionExpired(String referenceTime)

Determines if a partition's reference time has exceeded its time-to-live (TTL).

This method checks if the current time has passed the TTL threshold based on a reference time, which could be the creation time or the last commit time of the partition.

Parameters:

referenceTime - last commit time or creation time for partition