org.apache.hudi.table.action.rollback

Class RollbackUtils

java.lang.Object

org.apache.hudi.table.action.rollback.RollbackUtils

public class RollbackUtils
extends Object

Constructor Summary

Constructors

Constructor and Description
RollbackUtils()

Method Summary

Modifier and Type	Method and Description
static List<ListingBasedRollbackRequest>	generateRollbackRequestsByListingCOW(HoodieEngineContext engineContext, String basePath) Generate all rollback requests that needs rolling back this action without actually performing rollback for COW table type.
static List<ListingBasedRollbackRequest>	generateRollbackRequestsUsingFileListingMOR(HoodieInstant instantToRollback, HoodieTable table, HoodieEngineContext context) Generate all rollback requests that we need to perform for rolling back this action without actually performing rolling back for MOR table type.
static HoodieRollbackPlan	getRollbackPlan(HoodieTableMetaClient metaClient, HoodieInstant rollbackInstant) Get Latest version of Rollback plan corresponding to a clean instant.

Methods inherited from class java.lang.Object

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

Constructor Detail

RollbackUtils

public RollbackUtils()

Method Detail

getRollbackPlan

public static HoodieRollbackPlan getRollbackPlan(HoodieTableMetaClient metaClient,
                                                 HoodieInstant rollbackInstant)
                                          throws IOException

Get Latest version of Rollback plan corresponding to a clean instant.

Parameters:

metaClient - Hoodie Table Meta Client

rollbackInstant - Instant referring to rollback action

Returns:

Rollback plan corresponding to rollback instant

Throws:

IOException

generateRollbackRequestsByListingCOW

public static List<ListingBasedRollbackRequest> generateRollbackRequestsByListingCOW(HoodieEngineContext engineContext,
                                                                                     String basePath)

Generate all rollback requests that needs rolling back this action without actually performing rollback for COW table type.

Parameters:

engineContext - instance of HoodieEngineContext to use.

basePath - base path of interest.

Returns:

List of ListingBasedRollbackRequests thus collected.

generateRollbackRequestsUsingFileListingMOR

public static List<ListingBasedRollbackRequest> generateRollbackRequestsUsingFileListingMOR(HoodieInstant instantToRollback,
                                                                                            HoodieTable table,
                                                                                            HoodieEngineContext context)
                                                                                     throws IOException

Generate all rollback requests that we need to perform for rolling back this action without actually performing rolling back for MOR table type.

Parameters:

instantToRollback - Instant to Rollback

table - instance of HoodieTable to use.

context - instance of HoodieEngineContext to use.

Returns:

list of rollback requests

Throws:

IOException